.page-faq {
  padding-block: clamp(24px, 5vw, 52px) clamp(56px, 9vw, 104px);
}

.page-faq .breadcrumb {
  margin-bottom: clamp(20px, 3.5vw, 36px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: clamp(24px, 5vw, 48px);
  align-items: start;
}

.page-faq .faq-hero__intro {
  max-width: 42rem;
}

.page-faq .faq-hero__intro .eyebrow {
  display: inline-block;
  margin: 0 0 14px;
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
  background: rgba(0, 230, 195, .07);
}

.page-faq .faq-hero h1 {
  margin: 0 0 clamp(14px, 2.4vw, 22px);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 5.2vw, 52px);
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-faq .faq-hero__lead {
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.78;
  color: var(--text-soft);
  max-width: 36rem;
}

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

.page-faq .faq-hero__figure {
  margin: 0;
  position: relative;
  border-radius: var(--r-a);
  border: 1px solid var(--line);
  background: var(--ink-800);
  overflow: hidden;
}

.page-faq .faq-hero__figure::after {
  content: "";
  position: absolute;
  inset: auto -18% -40% auto;
  width: 62%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 230, 195, .18), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-faq .faq-hero__figure .media__cap {
  display: block;
  padding: 12px 18px 16px;
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 三步定位 ---------- */
.page-faq .triage {
  margin-top: clamp(44px, 8vw, 84px);
}

.page-faq .triage__head {
  margin: 0 0 clamp(18px, 3vw, 26px);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(20px, 2.8vw, 26px);
  letter-spacing: -.005em;
  color: var(--text);
}

.page-faq .triage__grid {
  display: grid;
  gap: 16px;
}

.page-faq .triage__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 3.4vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--r-b);
  background: var(--ink-700);
  color: var(--text);
  text-decoration: none;
  transition: transform var(--t-base) var(--ease-out), border-color var(--t-base) var(--ease-out);
}

.page-faq .triage__card--a {
  border-radius: var(--r-a);
  background: linear-gradient(160deg, rgba(0, 230, 195, .12), transparent 62%), var(--ink-700);
  border-color: rgba(0, 230, 195, .35);
}

.page-faq .triage__card--c {
  border-radius: var(--r-c);
  background: linear-gradient(200deg, rgba(255, 107, 53, .13), transparent 66%), var(--ink-700);
  border-color: rgba(255, 107, 53, .3);
}

.page-faq .triage__idx {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-faq .triage__card--c .triage__idx {
  color: var(--clay-soft);
}

.page-faq .triage__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(17px, 2.2vw, 20px);
  line-height: 1.4;
}

.page-faq .triage__desc {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-faq .triage__go {
  margin-top: auto;
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-faq .triage__card--c .triage__go {
  color: var(--clay-soft);
}

/* ---------- 分类导航 ---------- */
.page-faq .section-nav {
  margin-top: clamp(40px, 7vw, 72px);
  padding-top: clamp(18px, 3vw, 26px);
  border-top: 1px solid var(--line);
}

.page-faq .section-nav__link {
  font-family: var(--font-mono);
}

/* ---------- 问答分组 ---------- */
.page-faq .qa-group {
  margin-top: clamp(44px, 7.5vw, 84px);
  scroll-margin-top: 96px;
}

.page-faq .qa-group__head {
  max-width: 46rem;
  margin-bottom: clamp(20px, 3.4vw, 30px);
}

.page-faq .qa-group__kicker {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-faq .qa-group__head h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.32;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-faq .qa-group__lead {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .qa {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .qa__item {
  border: 1px solid var(--line);
  border-radius: var(--r-c);
  background: var(--ink-700);
  overflow: hidden;
  transition: border-color var(--t-base) var(--ease-out), box-shadow var(--t-base) var(--ease-out);
}

.page-faq .qa__item[open] {
  border-color: rgba(0, 230, 195, .42);
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-faq .qa__q {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: clamp(16px, 2.6vw, 22px) clamp(16px, 2.8vw, 26px);
  cursor: pointer;
  list-style: none;
  font-size: clamp(15.5px, 1.8vw, 17px);
  line-height: 1.6;
}

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

.page-faq .qa__q::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--muted);
  transition: color var(--t-base) var(--ease-out);
}

.page-faq .qa__item[open] .qa__q::after {
  content: "–";
  color: var(--cyan);
}

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

.page-faq .qa__num {
  flex: 0 0 auto;
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-faq .qa__text {
  font-weight: 600;
  color: var(--text);
}

.page-faq .qa__a {
  padding: 16px clamp(16px, 2.8vw, 26px) clamp(18px, 2.8vw, 24px);
  padding-left: calc(clamp(16px, 2.8vw, 26px) + 30px);
  border-top: 1px solid var(--line);
}

.page-faq .qa__a p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
  max-width: 40rem;
}

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

.page-faq .qa__link {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(168, 255, 233, .4);
}

.page-faq .qa__link:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 回顶短线路径 ---------- */
.page-faq .backline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding-left: clamp(0px, 2vw, 14px);
  border-left: 2px solid var(--line);
  font-size: 13.5px;
}

.page-faq .backline__link {
  color: var(--muted);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease-out);
}

.page-faq .backline__link:hover {
  color: var(--cyan);
}

.page-faq .backline__sep {
  color: var(--line);
}

/* ---------- 额度配图 ---------- */
.page-faq .qa-figure {
  margin: clamp(22px, 4vw, 34px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-a);
  background: var(--ink-800);
  overflow: hidden;
}

.page-faq .qa-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 8 / 5;
}

.page-faq .qa-figure .media__cap {
  display: block;
  padding: 12px 18px 16px;
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 联系面板 ---------- */
.page-faq .qa-group--contact {
  padding: clamp(24px, 4.5vw, 44px);
  border: 1px solid var(--line);
  border-radius: var(--r-a);
  background: linear-gradient(150deg, rgba(255, 107, 53, .1), transparent 55%), var(--ink-800);
}

.page-faq .contact-panel {
  display: grid;
  gap: clamp(22px, 3.6vw, 34px);
}

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

.page-faq .contact-panel__rows .copy-btn {
  flex: 1 1 240px;
}

.page-faq .contact-panel__tips-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  color: var(--text);
}

.page-faq .contact-panel__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .contact-panel__list li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-faq .contact-panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 10px;
  height: 2px;
  background: var(--clay);
}

.page-faq .contact-panel__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 760px) {
  .page-faq .triage__grid {
    grid-template-columns: repeat(12, 1fr);
  }

  .page-faq .triage__card--a {
    grid-column: span 5;
  }

  .page-faq .triage__card--b {
    grid-column: span 4;
    margin-top: 22px;
  }

  .page-faq .triage__card--c {
    grid-column: span 3;
    margin-top: 46px;
  }

  .page-faq .contact-panel {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-faq .contact-panel__rows {
    flex-direction: column;
    grid-column: 1;
  }

  .page-faq .contact-panel__tips {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

  .page-faq .contact-panel__links {
    grid-column: 1;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(32px, 4vw, 60px);
  }

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

  .page-faq .qa__a {
    padding-right: clamp(24px, 3vw, 48px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .triage__card,
  .page-faq .qa__item,
  .page-faq .qa__q::after,
  .page-faq .backline__link {
    transition: none;
  }
}
</main>