.page-faq {
  --faq-rule: rgba(36, 80, 58, .6);
  --faq-soft: rgba(79, 227, 193, .08);
}

.page-faq .breadcrumb {
  margin-top: 24px;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: 28px 0 56px;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -26%;
  right: -18%;
  width: 78vw;
  height: 78vw;
  max-width: 760px;
  max-height: 760px;
  background: radial-gradient(circle, rgba(79, 227, 193, .15), rgba(79, 227, 193, 0) 66%);
  pointer-events: none;
}

.page-faq .faq-hero .wrap {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero-grid {
  align-items: end;
}

.page-faq .faq-hero-copy h1 {
  margin: 16px 0 0;
  font-size: clamp(30px, 7.4vw, 60px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -.015em;
}

.page-faq .faq-lead {
  margin-top: 20px;
  max-width: 54ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink-mute);
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

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

.page-faq .faq-banner {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--panel);
}

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

/* ---------- 问答主体布局 ---------- */

.page-faq .faq-main {
  padding-top: 8px;
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-faq .faq-layout > * {
  min-width: 0;
}

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

.page-faq .faq-tabs {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  margin-top: 12px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-faq .faq-tab {
  flex: 0 0 auto;
  padding: 10px 14px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--ink-mute);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  cursor: pointer;
  white-space: nowrap;
  text-align: left;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}

.page-faq .faq-tab:hover {
  color: var(--ink);
  border-color: var(--cyan);
}

.page-faq .faq-tab[aria-selected="true"] {
  color: var(--pitch-900);
  background: var(--cyan);
  border-color: var(--cyan);
}

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

.page-faq .faq-rail-note {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-mute);
}

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

/* ---------- 面板与分组标题 ---------- */

.page-faq .faq-panel {
  animation: faq-panel-in .28s ease both;
}

@keyframes faq-panel-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

.page-faq .faq-head {
  display: grid;
  gap: 8px;
  padding-bottom: 18px;
  margin-bottom: 6px;
  border-bottom: 2px solid var(--line);
}

.page-faq .faq-head-title {
  font-size: clamp(22px, 4.4vw, 28px);
  font-weight: 900;
  line-height: 1.24;
}

.page-faq .faq-head-desc {
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-mute);
}

/* ---------- 档案卡式问答条目 ---------- */

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

.page-faq .qa-q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 18px 2px;
  list-style: none;
  cursor: pointer;
  transition: color .2s ease;
}

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

.page-faq .qa-q:hover .qa-text {
  color: var(--cyan);
}

.page-faq .qa-no {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-faq .qa-text {
  flex: 1 1 auto;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
  transition: color .2s ease;
}

.page-faq .qa-q::after {
  content: "+";
  flex: 0 0 auto;
  align-self: center;
  font-family: var(--f-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .qa[open] .qa-q::after {
  content: "–";
}

.page-faq .qa-a {
  display: grid;
  gap: 12px;
  padding: 0 0 22px 38px;
}

.page-faq .qa-a p {
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink-mute);
}

.page-faq .qa-sample {
  padding: 10px 14px;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--cyan);
  background: var(--faq-soft);
  border-left: 2px solid var(--cyan);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  transition: background-color .2s ease;
}

.page-faq .qa-sample:hover {
  background: rgba(79, 227, 193, .16);
}

/* ---------- 面板内插图 ---------- */

.page-faq .faq-figure {
  margin: 22px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--panel);
}

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

/* ---------- 底部收束 ---------- */

.page-faq .faq-tail-inner {
  display: grid;
  gap: 20px;
  padding: 26px 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}

.page-faq .faq-tail-title {
  margin-top: 8px;
  font-size: clamp(20px, 4vw, 26px);
  font-weight: 900;
  line-height: 1.28;
}

.page-faq .faq-tail-text {
  margin-top: 10px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-mute);
}

.page-faq .faq-tail-cta {
  justify-self: start;
}

/* ---------- 窄屏微调 ---------- */

@media (max-width: 479px) {
  .page-faq .qa-a {
    padding-left: 22px;
  }

  .page-faq .qa-text {
    font-size: 15px;
  }
}

/* ---------- 桌面端：窄标签栏 + 宽答案区 ---------- */

@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding: 40px 0 72px;
  }

  .page-faq .faq-hero-figure {
    margin-top: 0;
  }

  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 232px) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + var(--strip-h) + 24px);
  }

  .page-faq .faq-tabs {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 4px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-tab {
    width: 100%;
  }

  .page-faq .faq-head {
    gap: 10px;
    padding-bottom: 22px;
  }

  .page-faq .qa-q {
    padding: 22px 2px;
  }

  .page-faq .qa-a {
    padding-left: 44px;
    padding-bottom: 26px;
  }

  .page-faq .faq-tail-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
    padding: 34px 40px;
  }

  .page-faq .faq-tail-cta {
    justify-self: end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-panel {
    animation: none;
  }

  .page-faq .qa-q,
  .page-faq .qa-text,
  .page-faq .qa-sample,
  .page-faq .faq-tab {
    transition: none;
  }
}
<<<END>>>