.page-faq {
  --faq-ink-soft: rgba(243, 246, 250, 0.74);
  --faq-ink-dim: rgba(154, 169, 188, 0.9);
  --faq-line: rgba(154, 169, 188, 0.24);
  --faq-line-strong: rgba(154, 169, 188, 0.42);
  --faq-panel: rgba(18, 57, 94, 0.34);
  --faq-rail: 84px;
  padding-bottom: clamp(48px, 8vw, 104px);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  padding: clamp(26px, 5vw, 56px) 0 clamp(30px, 5vw, 52px);
  border-bottom: 1px solid var(--faq-line);
}

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

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.4vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.012em;
  color: var(--white);
}

.page-faq .faq-hero__lead {
  max-width: 38em;
  margin: 18px 0 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--faq-ink-soft);
}

.page-faq .faq-jump {
  align-self: start;
  display: grid;
  gap: 1px;
  background: var(--faq-line);
  border: 1px solid var(--faq-line-strong);
  box-shadow: var(--hard);
}

.page-faq .faq-jump__label {
  margin: 0;
  padding: 10px 14px;
  background: var(--steel);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--silver);
}

.page-faq .faq-jump__item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 14px;
  background: var(--deep);
  color: var(--white);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: background 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-jump__item:hover,
.page-faq .faq-jump__item:focus-visible {
  background: var(--steel);
  transform: translateX(2px);
}

.page-faq .faq-jump__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--amber);
  flex: none;
}

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

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.55fr) minmax(280px, 1fr);
    align-items: start;
  }
}

/* ---------- 章节骨架 ---------- */

.page-faq .faq-block {
  padding: clamp(34px, 5.6vw, 68px) 0;
  border-bottom: 1px solid var(--faq-line);
  scroll-margin-top: 104px;
}

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

.page-faq .faq-block__head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(22px, 3.4vw, 38px);
}

.page-faq .faq-qnum {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(20px, 3vw, 32px);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1;
}

.page-faq #q01 .faq-qnum { color: var(--cyan); }
.page-faq #q02 .faq-qnum { color: var(--amber); }
.page-faq #q03 .faq-qnum { color: var(--violet); }
.page-faq #q04 .faq-qnum { color: var(--red); }
.page-faq #q05 .faq-qnum { color: var(--green); }

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

.page-faq .faq-block h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 3.2vw, 36px);
  line-height: 1.16;
  letter-spacing: -0.006em;
  color: var(--white);
}

.page-faq .faq-block__lead {
  max-width: 40em;
  margin: 12px 0 0;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.85;
  color: var(--faq-ink-soft);
}

.page-faq .faq-subtitle {
  margin: clamp(26px, 3.4vw, 38px) 0 14px;
  font-family: var(--font-display);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.3;
  color: var(--white);
}

@media (min-width: 760px) {
  .page-faq .faq-block__head {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: 22px;
    align-items: start;
  }
  .page-faq .faq-qnum {
    padding-top: 6px;
  }
}

/* ---------- 四步动线 ---------- */

.page-faq .step-strip {
  list-style: none;
  margin: 0 0 clamp(24px, 3.4vw, 38px);
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-faq .step-strip__item {
  position: relative;
  padding-left: 52px;
  min-height: 36px;
}

.page-faq .step-strip__num {
  position: absolute;
  left: 0;
  top: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--deep);
  background: var(--cyan);
}

.page-faq .step-strip__item:nth-child(2) .step-strip__num {
  background: var(--violet);
  color: var(--white);
}
.page-faq .step-strip__item:nth-child(3) .step-strip__num {
  background: var(--amber);
  color: var(--deep);
}
.page-faq .step-strip__item:nth-child(4) .step-strip__num {
  background: var(--red);
  color: var(--white);
}

.page-faq .step-strip__title {
  margin: 4px 0 6px;
  font-size: 16.5px;
  line-height: 1.4;
  color: var(--white);
}

.page-faq .step-strip__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

@media (min-width: 880px) {
  .page-faq .step-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }
  .page-faq .step-strip__item {
    padding: 0 22px 0 0;
    min-height: 0;
  }
  .page-faq .step-strip__num {
    position: static;
    margin-bottom: 16px;
  }
  .page-faq .step-strip__item:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 17px;
    left: 46px;
    right: 8px;
    height: 2px;
    background: linear-gradient(90deg, var(--faq-line-strong), rgba(154, 169, 188, 0.08));
  }
  .page-faq .step-strip__item:last-child {
    padding-right: 0;
  }
}

/* ---------- 图文 ---------- */

.page-faq .faq-figure {
  margin: 0 0 clamp(24px, 3.4vw, 40px);
}

.page-faq .faq-figure .media-frame {
  margin: 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  margin-top: 12px;
  padding-left: 12px;
  border-left: 2px solid var(--violet);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--faq-ink-dim);
}

/* ---------- 问答手风琴 ---------- */

.page-faq .qa-list {
  border-top: 1px solid var(--faq-line);
}

.page-faq .qa {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .qa__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 15px 2px;
  list-style: none;
  cursor: pointer;
  color: var(--white);
  transition: color 0.2s ease;
}

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

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

.page-faq .qa__summary:hover .qa__title,
.page-faq .qa__summary:focus-visible .qa__title {
  color: var(--cyan);
}

.page-faq .qa__index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--faq-ink-dim);
  flex: none;
}

.page-faq .qa__title {
  font-size: 15.5px;
  line-height: 1.6;
  transition: color 0.2s ease;
}

.page-faq .qa__toggle {
  position: relative;
  width: 16px;
  height: 16px;
  flex: none;
}

.page-faq .qa__toggle::before,
.page-faq .qa__toggle::after {
  content: "";
  position: absolute;
  background: var(--silver);
  transition: transform 0.22s ease, background 0.22s ease;
}

.page-faq .qa__toggle::before {
  left: 0;
  right: 0;
  top: 7px;
  height: 2px;
}

.page-faq .qa__toggle::after {
  top: 0;
  bottom: 0;
  left: 7px;
  width: 2px;
}

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

.page-faq .qa[open] .qa__summary .qa__title {
  color: var(--amber);
}

.page-faq .qa__body {
  padding: 0 4px 20px 0;
  margin: 0;
}

.page-faq .qa__body p {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.9;
  color: var(--faq-ink-soft);
}

.page-faq .qa__body p + p {
  margin-top: 12px;
}

@media (min-width: 760px) {
  .page-faq .qa__summary {
    padding: 17px 4px 17px 0;
    gap: 16px;
  }
  .page-faq .qa__body {
    padding-left: var(--faq-rail);
    padding-bottom: 24px;
  }
}

/* ---------- 三处收藏位 ---------- */

.page-faq .pin-grid {
  display: grid;
  gap: 1px;
  background: var(--faq-line);
  border: 1px solid var(--faq-line-strong);
  margin-bottom: clamp(24px, 3.4vw, 38px);
}

.page-faq .pin-card {
  padding: 22px 20px 24px;
  background: var(--faq-panel);
}

.page-faq .pin-card__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-faq .pin-card h3 {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.3;
  color: var(--white);
}

.page-faq .pin-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

@media (min-width: 780px) {
  .page-faq .pin-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 核对清单 ---------- */

.page-faq .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .check-list li {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 9px;
  height: 9px;
  background: var(--cyan);
}

.page-faq .check-list li:nth-child(2)::before {
  background: var(--amber);
}

.page-faq .check-list li:nth-child(3)::before {
  background: var(--violet);
}

/* ---------- 两条查询路径 ---------- */

.page-faq .route-list {
  display: grid;
  gap: 1px;
  background: var(--faq-line);
  border-top: 1px solid var(--faq-line);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .route-item {
  padding: 22px 0;
  background: transparent;
}

.page-faq .route-item__tag {
  display: inline-block;
  margin-bottom: 10px;
}

.page-faq .route-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.3;
  color: var(--white);
}

.page-faq .route-item p {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-ink-soft);
}

@media (min-width: 780px) {
  .page-faq .route-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 clamp(24px, 3vw, 44px);
  }
  .page-faq .route-item:first-child {
    padding-right: clamp(24px, 3vw, 44px);
    border-right: 1px solid var(--faq-line);
  }
}

/* ---------- 安全提示 ---------- */

.page-faq .tip-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-faq .tip-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.page-faq .tip-item__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 34px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--deep);
  background: var(--green);
}

.page-faq .tip-item:nth-child(2) .tip-item__num {
  background: var(--cyan);
}
.page-faq .tip-item:nth-child(3) .tip-item__num {
  background: var(--amber);
}
.page-faq .tip-item:nth-child(4) .tip-item__num {
  background: var(--steel);
  color: var(--white);
}

.page-faq .tip-item h3 {
  margin: 3px 0 6px;
  font-size: 16.5px;
  line-height: 1.4;
  color: var(--white);
}

.page-faq .tip-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

/* ---------- 提示与收尾 ---------- */

.page-faq .faq-note {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 16px 18px;
  border-left: 3px solid var(--cyan);
  background: rgba(34, 224, 214, 0.06);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--faq-ink-soft);
  max-width: 44em;
}

.page-faq .faq-endnote {
  margin: clamp(26px, 3.4vw, 40px) 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--faq-line);
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--faq-ink-dim);
  max-width: 44em;
}

.page-faq a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 214, 0.4);
  transition: color 0.2s ease, border-color 0.2s ease;
}

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

/* ---------- 窄屏收敛 ---------- */

@media (max-width: 520px) {
  .page-faq .faq-jump {
    box-shadow: none;
  }
  .page-faq .pin-card,
  .page-faq .faq-note {
    padding-left: 16px;
    padding-right: 16px;
  }
  .page-faq .qa__summary {
    gap: 10px;
  }
  .page-faq .step-strip__item {
    padding-left: 46px;
  }
  .page-faq .step-strip__num {
    width: 32px;
    height: 32px;
    font-size: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump__item,
  .page-faq .qa__summary,
  .page-faq .qa__title,
  .page-faq .qa__toggle::before,
  .page-faq .qa__toggle::after {
    transition: none;
  }
  .page-faq .faq-jump__item:hover,
  .page-faq .faq-jump__item:focus-visible {
    transform: none;
  }
}