.page-faq {
  padding-bottom: 88px;
}

.page-faq .breadcrumb {
  padding: 22px 0 6px;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-bottom: 36px;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 84% 0%, rgba(34, 224, 214, 0.14) 0%, transparent 58%),
    radial-gradient(90% 80% at 8% 100%, rgba(255, 106, 26, 0.13) 0%, transparent 62%);
}

.page-faq .faq-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--gap-s);
}

.page-faq .faq-hero-main {
  min-width: 0;
}

.page-faq .faq-hero .data-label {
  display: inline-block;
  margin: 0 0 14px;
  padding: 6px 12px;
  border: 2px solid var(--line);
  background: var(--panel);
  color: var(--cyan);
  letter-spacing: 0.1em;
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.2vw, 58px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-faq .faq-lede {
  margin: 0;
  max-width: 38em;
  font-size: 17px;
  line-height: 1.8;
  color: #CFCABE;
}

.page-faq .faq-hero-meta {
  list-style: none;
  margin: 0;
  padding: 0 0 0 18px;
  display: grid;
  gap: 12px;
  border-left: 2px solid var(--line);
  min-width: 0;
}

.page-faq .faq-meta-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  font-family: var(--font-label);
  font-size: 13px;
  letter-spacing: 0.06em;
  line-height: 1.6;
  color: var(--mist);
}

.page-faq .faq-meta-item .is-mono {
  font-size: 14px;
  color: var(--cream);
}

.page-faq .faq-meta-item .status-dot {
  align-self: center;
}

/* ---------- 主栅格 ---------- */

.page-faq .faq-layout {
  margin-top: var(--gap-l);
  align-items: start;
}

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

.page-faq .faq-index .rail-title {
  margin-bottom: 12px;
}

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

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

.page-faq .faq-index-num {
  font-size: 13px;
  color: var(--cyan);
}

.page-faq .faq-index-link {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 11px 14px;
  border: 2px solid var(--line);
  background: var(--panel);
  color: var(--cream);
  font-family: var(--font-label);
  font-size: 14px;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.page-faq .faq-index-link .status-dot {
  margin-left: auto;
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  border-color: var(--accent);
  box-shadow: var(--hard-sm);
  transform: translate(2px, -2px);
  outline: none;
}

.page-faq .faq-index-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 问答分组 ---------- */

.page-faq .faq-body {
  display: grid;
  gap: var(--gap-l);
  min-width: 0;
}

.page-faq .faq-group {
  min-width: 0;
  padding: 26px 20px 28px;
  border: 2px solid var(--line);
  background: var(--panel);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-faq .faq-group-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 14px;
  align-items: baseline;
  padding-bottom: 16px;
  margin-bottom: 22px;
  border-bottom: 2px solid var(--line);
}

.page-faq .faq-group-num {
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.page-faq .faq-group-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 4.6vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-faq .faq-group-note {
  grid-column: 2;
  margin: 0;
  font-family: var(--font-label);
  font-size: 13px;
  letter-spacing: 0.06em;
  line-height: 1.6;
  color: var(--mist);
}

.page-faq .faq-figure {
  margin: 0 0 22px;
}

/* ---------- 折叠问答 ---------- */

.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: 2px solid var(--line);
  border-left: 4px solid var(--line);
  background: var(--panel-2);
  transition: border-color 180ms ease, transform 180ms ease, background 180ms ease;
}

.page-faq .faq-item[open] {
  border-left-color: var(--accent);
  background: #17362E;
  transform: translateY(-2px);
}

.page-faq .faq-item > summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  min-height: 44px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--cream);
}

.page-faq .faq-item > summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item > summary:hover {
  color: var(--cyan);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -4px;
}

.page-faq .faq-q-num {
  font-size: 13px;
  color: var(--mist);
}

.page-faq .faq-item[open] .faq-q-num {
  color: var(--accent);
}

.page-faq .faq-q-text {
  min-width: 0;
}

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

.page-faq .faq-q-mark::before,
.page-faq .faq-q-mark::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform 180ms ease, background 180ms ease;
}

.page-faq .faq-q-mark::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}

.page-faq .faq-q-mark::after {
  top: 0;
  left: 7px;
  width: 2px;
  height: 16px;
}

.page-faq .faq-item[open] .faq-q-mark::before {
  background: var(--accent);
}

.page-faq .faq-item[open] .faq-q-mark::after {
  transform: scaleY(0);
}

.page-faq .faq-answer {
  padding: 14px 16px 20px;
  border-top: 1px dashed var(--line);
  font-size: 16px;
  line-height: 1.8;
  color: #D9D4C8;
}

.page-faq .faq-answer > p {
  margin: 0;
}

.page-faq .faq-answer > p + p {
  margin-top: 10px;
}

.page-faq .faq-answer a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-answer a:hover,
.page-faq .faq-answer a:focus-visible {
  color: var(--accent);
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: faqstep;
  display: grid;
  gap: 9px;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.page-faq .faq-steps li::before {
  content: "0" counter(faqstep);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
  color: var(--cyan);
}

/* ---------- 仍需帮助 ---------- */

.page-faq .faq-help-grid {
  display: grid;
  gap: 14px;
}

.page-faq .faq-help-card {
  padding: 20px 18px;
  border: 2px solid var(--line);
  background: var(--panel-2);
}

.page-faq .faq-help-card--accent {
  border-color: rgba(255, 106, 26, 0.55);
  background: var(--grad);
}

.page-faq .faq-help-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--cream);
}

.page-faq .faq-help-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: #D9D4C8;
}

.page-faq .faq-help-card a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-help-card--accent a {
  color: #10261F;
  font-weight: 600;
}

.page-faq .faq-help-contact {
  margin-top: 12px !important;
  font-size: 15px;
  color: var(--cream);
  word-break: break-all;
}

.page-faq .faq-help-card--accent .faq-help-contact {
  color: #10261F;
}

.page-faq .faq-help-btn {
  margin-top: 14px;
}

.page-faq .faq-help-card--accent .btn-ghost {
  border-color: #10261F;
  color: #10261F;
}

.page-faq .faq-response {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 2px dashed var(--line);
  display: grid;
  gap: 10px;
}

.page-faq .faq-response-line {
  margin: 0;
  display: grid;
  gap: 4px;
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .faq-response-line .contact-key {
  font-family: var(--font-label);
  letter-spacing: 0.08em;
  font-size: 13px;
  color: var(--mist);
}

.page-faq .faq-response-line .contact-value {
  color: var(--cream);
  min-width: 0;
  word-break: break-word;
}

/* ---------- 窄屏 ---------- */

@media (max-width: 1023px) {
  .page-faq .faq-index {
    position: static;
  }

  .page-faq .faq-index-list {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 6px;
    -webkit-overflow-scrolling: touch;
  }

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

  .page-faq .faq-index-link {
    white-space: nowrap;
  }

  .page-faq .faq-index-note {
    display: none;
  }
}

@media (min-width: 720px) {
  .page-faq .faq-group {
    padding: 30px 28px 32px;
  }

  .page-faq .faq-help-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-response-line {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 12px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-bottom: 48px;
  }

  .page-faq .faq-hero-inner {
    grid-template-columns: minmax(0, 1.65fr) minmax(240px, 0.85fr);
    gap: var(--gap-l);
    align-items: end;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-faq .faq-body {
    gap: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-index-link,
  .page-faq .faq-q-mark::before,
  .page-faq .faq-q-mark::after {
    transition: none;
  }

  .page-faq .faq-item[open] {
    transform: none;
  }

  .page-faq .faq-index-link:hover,
  .page-faq .faq-index-link:focus-visible {
    transform: none;
  }
}