.page-faq {
  --faq-gap: clamp(18px, 2.6vw, 32px);
  --faq-index-w: 268px;
  --faq-pad-x: clamp(18px, 3vw, 28px);
  display: block;
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-faq .breadcrumb {
  margin: 0;
  padding-top: clamp(10px, 2vw, 20px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(14px, 2.4vw, 26px) 0 0;
}

.page-faq .hero-frame {
  position: relative;
  padding: clamp(24px, 4.4vw, 54px);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(90% 70% at 8% -12%, rgba(232, 196, 106, 0.2), transparent 62%),
    radial-gradient(120% 110% at 100% 0%, rgba(30, 92, 70, 0.62), transparent 58%),
    linear-gradient(158deg, var(--pitch) 0%, var(--sea-deep) 70%);
  overflow: hidden;
}

.page-faq .hero-frame::after {
  content: "";
  position: absolute;
  inset: auto -18% -62% 42%;
  height: 320px;
  background: radial-gradient(closest-side, rgba(242, 112, 58, 0.16), transparent 72%);
  pointer-events: none;
}

.page-faq .faq-hero .eyebrow {
  margin: 0;
  color: var(--gold);
  opacity: 0.92;
}

.page-faq .faq-hero h1 {
  margin: 14px 0 18px;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 5.6vw, 48px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-faq .faq-hero .lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: var(--text-soft);
}

.page-faq .hero-facts {
  list-style: none;
  margin: clamp(24px, 3.4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-faq .hero-facts li {
  padding: 12px 14px;
  border-left: 2px solid var(--line-gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(5, 11, 20, 0.36);
}

.page-faq .fact-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--gold);
}

.page-faq .fact-label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--text-mute);
}

/* ---------- 筛选条 ---------- */
.page-faq .faq-filter {
  padding: clamp(20px, 3vw, 32px) 0 0;
}

.page-faq .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  padding: 14px 16px;
  border: 1px solid var(--line-cool);
  border-radius: var(--radius-md);
  background: linear-gradient(100deg, rgba(18, 61, 47, 0.5), rgba(10, 27, 46, 0.4));
}

.page-faq .filter-caption {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--stone);
  flex: 0 0 auto;
}

.page-faq .filter-bar .chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- 主体分栏 ---------- */
.page-faq .faq-body {
  padding: clamp(26px, 4vw, 44px) 0 0;
}

.page-faq .faq-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  align-items: start;
}

/* 左侧轨道索引 */
.page-faq .faq-index {
  padding: 20px 18px 22px;
  border: 1px solid var(--line-cool);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(18, 61, 47, 0.48) 0%, rgba(7, 23, 38, 0.55) 100%);
}

.page-faq .faq-index .eyebrow {
  margin: 0;
  color: var(--archive);
}

.page-faq .idx-list {
  list-style: none;
  position: relative;
  margin: 14px 0 0;
  padding: 0 0 0 14px;
}

.page-faq .idx-list::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--line-gold), rgba(138, 160, 180, 0.16));
}

.page-faq .idx-list li + li {
  margin-top: 4px;
}

.page-faq .idx-list a {
  position: relative;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) 10px;
  align-items: center;
  gap: 8px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  color: var(--text-soft);
  text-decoration: none;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-faq .idx-list a::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 50%;
  width: 7px;
  height: 7px;
  margin-top: -3.5px;
  border-radius: 50%;
  background: rgba(138, 160, 180, 0.45);
  transition: background 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-faq .idx-list a:hover,
.page-faq .idx-list a:focus-visible {
  background: rgba(232, 196, 106, 0.08);
  color: var(--cream);
  transform: translateX(2px);
}

.page-faq .idx-list a:hover::before,
.page-faq .idx-list a:focus-visible::before {
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(232, 196, 106, 0.18);
}

.page-faq .idx-num {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--stone);
}

.page-faq .idx-text {
  font-size: 13.5px;
  line-height: 1.5;
}

.page-faq .status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: 0 0 auto;
}

.page-faq .dot-self {
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(232, 196, 106, 0.16);
}

.page-faq .dot-help {
  background: var(--orange);
  box-shadow: 0 0 0 3px rgba(242, 112, 58, 0.18);
}

.page-faq .idx-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-cool);
  font-size: 12px;
  color: var(--text-mute);
}

.page-faq .idx-legend > span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ---------- 问题面板 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-faq .faq-item {
  position: relative;
  border: 1px solid var(--line-cool);
  border-radius: var(--radius-lg);
  background: linear-gradient(170deg, rgba(18, 61, 47, 0.42), rgba(7, 23, 38, 0.74));
  overflow: hidden;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-faq .faq-item.is-open {
  border-color: var(--line-gold);
  box-shadow: var(--shadow-panel);
}

.page-faq .faq-item[hidden] {
  display: none;
}

.page-faq .faq-q {
  margin: 0;
}

.page-faq .faq-toggle {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px 14px;
  width: 100%;
  padding: var(--faq-pad-x);
  border: 0;
  background: none;
  color: var(--cream);
  text-align: left;
  cursor: pointer;
  font-family: var(--font-sans);
}

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

.page-faq .q-index {
  padding-top: 4px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-faq .q-text {
  font-size: clamp(16px, 2.2vw, 19px);
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: 0.01em;
}

.page-faq .disclosure-icon {
  position: relative;
  width: 26px;
  height: 26px;
  margin-top: 2px;
  border: 1px solid var(--line-gold);
  border-radius: 50%;
  flex: 0 0 auto;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-faq .disclosure-icon::before,
.page-faq .disclosure-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--gold);
  transform: translate(-50%, -50%);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.page-faq .disclosure-icon::before {
  width: 11px;
  height: 1.5px;
}

.page-faq .disclosure-icon::after {
  width: 1.5px;
  height: 11px;
}

.page-faq .faq-item.is-open .disclosure-icon::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-faq .faq-item.is-open .disclosure-toggle {
  background: rgba(232, 196, 106, 0.04);
}

.page-faq .faq-item > .disclosure-panel {
  display: grid;
  grid-template-rows: 1fr;
  max-height: none;
  height: auto;
  overflow: hidden;
  visibility: visible;
  opacity: 1;
  transition: grid-template-rows 0.32s var(--ease), opacity 0.32s var(--ease);
}

.page-faq .faq-item:not(.is-open) > .disclosure-panel {
  grid-template-rows: 0fr;
  opacity: 0;
  pointer-events: none;
}

.page-faq .faq-item > .disclosure-panel > .disclosure-inner {
  min-height: 0;
  overflow: hidden;
}

.page-faq .disclosure-body {
  margin: 0 var(--faq-pad-x);
  padding: 18px 0 clamp(22px, 3vw, 30px);
  border-top: 1px solid var(--line-cool);
}

.page-faq .ans-lede {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-faq .ans-note {
  margin: 18px 0 0;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-mute);
}

.page-faq .inline-link {
  color: var(--gold);
  text-decoration: underline;
  text-decoration-color: rgba(232, 196, 106, 0.42);
  text-underline-offset: 3px;
}

.page-faq .inline-link:hover,
.page-faq .inline-link:focus-visible {
  text-decoration-color: var(--gold);
}

/* ---------- 步骤清单 ---------- */
.page-faq .steps {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .step-label {
  display: grid;
  grid-template-columns: 18px 30px minmax(0, 1fr);
  align-items: start;
  gap: 10px;
  padding: 8px 10px 8px 2px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.25s var(--ease), opacity 0.25s var(--ease);
}

.page-faq .step-label:hover {
  background: rgba(232, 196, 106, 0.06);
}

.page-faq .step-label:has(.step-check:checked) {
  opacity: 0.45;
}

.page-faq .step-check {
  appearance: none;
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  margin: 4px 0 0;
  border: 1px solid var(--stone);
  border-radius: 4px;
  background: rgba(5, 11, 20, 0.5);
  position: relative;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .step-check::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 46%;
  width: 8px;
  height: 4px;
  border-left: 2px solid var(--sea-deep);
  border-bottom: 2px solid var(--sea-deep);
  transform: translate(-50%, -60%) rotate(-45deg) scale(0);
  transition: transform 0.2s var(--ease);
}

.page-faq .step-check:checked {
  background: var(--gold);
  border-color: var(--gold);
}

.page-faq .step-check:checked::after {
  transform: translate(-50%, -60%) rotate(-45deg) scale(1);
}

.page-faq .step-check:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-faq .step-num {
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-faq .step-text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-soft);
}

/* ---------- 图与下一条 ---------- */
.page-faq .media img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-faq .faq-figure {
  margin: 24px auto 0;
  max-width: 300px;
}

.page-faq .faq-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.page-faq .next-q {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  margin-top: 22px;
  padding-top: 14px;
  border-top: 1px dashed var(--line-cool);
  font-size: 13px;
}

.page-faq .next-label {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--stone);
}

.page-faq .next-link {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 196, 106, 0.4);
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-faq .next-link:hover,
.page-faq .next-link:focus-visible {
  color: var(--cream);
  border-bottom-color: var(--cream);
}

/* ---------- 求助区 ---------- */
.page-faq .faq-help {
  padding: clamp(34px, 5vw, 64px) 0 0;
}

.page-faq .help-title {
  margin: 0 0 14px;
  max-width: 24ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.6vw, 34px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-faq .help-lede {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-faq .flow-figure {
  margin: clamp(24px, 3.4vw, 38px) auto 0;
  max-width: 780px;
}

.page-faq .flow-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.page-faq .help-panel {
  margin-top: clamp(24px, 3.4vw, 38px);
  padding: clamp(22px, 3.2vw, 36px);
  border: 1px solid var(--line-gold);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, rgba(18, 61, 47, 0.58), rgba(7, 23, 38, 0.76));
  box-shadow: var(--shadow-panel);
}

.page-faq .help-panel .panel-title {
  margin: 0 0 18px;
  font-family: var(--font-sans);
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 600;
  line-height: 1.4;
  color: var(--cream);
}

.page-faq .help-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .help-list li {
  padding: 12px 0 12px 16px;
  border-left: 2px solid var(--line-gold);
}

.page-faq .contact-key {
  display: block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--stone);
  margin-bottom: 6px;
}

.page-faq .contact-value {
  display: block;
  font-size: clamp(15px, 1.9vw, 18px);
  line-height: 1.5;
  color: var(--cream);
  word-break: break-word;
}

.page-faq .help-note {
  margin: 18px 0 0;
  max-width: 64ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-mute);
}

.page-faq .help-panel .btn {
  margin-top: 24px;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .hero-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .help-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-split {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: clamp(24px, 3vw, 40px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 92px;
  }

  .page-faq .faq-figure {
    margin-left: 0;
    margin-right: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition: none !important;
    animation: none !important;
  }
}
</main>