.page-faq {
  --faq-indent: 26px;
  color: var(--paper);
}

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(32px, 6vw, 76px) 0 clamp(30px, 4.5vw, 52px);
  border-bottom: 1px solid var(--rule);
  background: linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(36, 69, 107, 0.34) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 69, 107, 0.34) 1px, transparent 1px);
  background-size: 62px 62px;
  -webkit-mask-image: radial-gradient(circle at 82% -6%, #000 0%, transparent 68%);
  mask-image: radial-gradient(circle at 82% -6%, #000 0%, transparent 68%);
  opacity: 0.55;
  pointer-events: none;
}

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

.page-faq .faq-hero .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 30px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-faq .faq-hero .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-hero .breadcrumb a:hover,
.page-faq .faq-hero .breadcrumb a:focus-visible {
  color: var(--gold-lite);
  border-bottom-color: var(--gold);
}

.page-faq .faq-hero .breadcrumb span[aria-hidden] {
  margin: 0 8px;
  color: var(--rule);
}

.page-faq .faq-h1 {
  margin: 14px 0 18px;
  max-width: 17em;
  font-family: var(--font-serif);
  font-size: clamp(28px, 5.4vw, 54px);
  font-weight: 600;
  line-height: 1.16;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-faq .faq-lead {
  max-width: 34em;
  font-size: clamp(16px, 1.6vw, 17px);
  line-height: 1.75;
  color: var(--paper);
}

.page-faq .faq-hero-note {
  max-width: 34em;
  margin-top: 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-toc {
  background: var(--ink-2);
  border-bottom: 1px solid var(--rule);
}

.page-faq .faq-toc-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 11px 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .faq-toc-inner::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-toc-label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-toc-list {
  display: flex;
  flex: 0 0 auto;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.page-faq .faq-toc-list a {
  display: inline-block;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.03em;
  white-space: nowrap;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-toc-list a:hover,
.page-faq .faq-toc-list a:focus-visible {
  color: var(--gold-lite);
  border-color: var(--gold);
  background: rgba(201, 162, 39, 0.08);
}

.page-faq .faq-section {
  padding: clamp(40px, 6vw, 76px) 0;
}

.page-faq .faq-section--alt {
  background: var(--sand);
  color: var(--ink);
}

.page-faq .faq-section--help {
  background: var(--ink-2);
  border-top: 1px solid var(--rule);
}

.page-faq section[id] {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-sec-head {
  max-width: 34em;
}

.page-faq .faq-h2 {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 600;
  line-height: 1.24;
  color: var(--paper);
}

.page-faq .faq-section--alt .faq-h2 {
  color: var(--ink);
}

.page-faq .faq-section--alt .eyebrow {
  color: #8a6a12;
}

.page-faq .faq-sec-lead {
  margin-top: 14px;
  max-width: 32em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-section--alt .faq-sec-lead {
  color: #5a6572;
}

/* ---------- 三步路线 ---------- */

.page-faq .faq-route-figure {
  margin: clamp(26px, 4vw, 40px) 0 0;
}

.page-faq .faq-rail {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: clamp(24px, 3.5vw, 34px) 0 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-faq .faq-rail-node {
  position: relative;
  padding: 24px 22px 26px;
  background: var(--panel);
  border: 1px solid var(--rule);
  clip-path: polygon(
    0 0,
    calc(100% - var(--cut)) 0,
    100% var(--cut),
    100% 100%,
    var(--cut) 100%,
    0 calc(100% - var(--cut))
  );
  transition: background 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-faq .faq-rail-node:hover,
.page-faq .faq-rail-node:focus-within {
  background: var(--panel-2);
  border-color: var(--gold);
}

.page-faq .faq-rail-num {
  display: inline-block;
  margin-bottom: 14px;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--ink);
  background: var(--gold);
}

.page-faq .faq-rail-title {
  margin: 0 0 10px;
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--paper);
}

.page-faq .faq-rail-where {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: var(--jade);
}

.page-faq .faq-rail-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-route-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-route-cta .btn {
  text-decoration: none;
}

/* ---------- 问答列表 ---------- */

.page-faq .faq-list {
  display: grid;
  gap: 2px;
  margin-top: clamp(24px, 3.5vw, 34px);
}

.page-faq .faq-item {
  padding: 0 22px 0 20px;
  background: var(--panel);
  border-left: 3px solid var(--rule);
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .faq-item:hover {
  background: var(--panel-2);
}

.page-faq .faq-item[open] {
  background: var(--panel-2);
  border-left-color: var(--jade);
}

.page-faq .faq-section--alt .faq-item {
  background: #ffffff;
  border-left-color: #c3cbd5;
}

.page-faq .faq-section--alt .faq-item:hover {
  background: #ffffff;
  border-left-color: var(--rule);
}

.page-faq .faq-section--alt .faq-item[open] {
  background: #ffffff;
  border-left-color: var(--jade);
}

.page-faq .faq-item > summary {
  position: relative;
  display: block;
  padding: 18px 34px 18px var(--faq-indent);
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
}

.page-faq .faq-section--alt .faq-item > summary {
  color: var(--ink);
}

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

.page-faq .faq-item > summary::marker {
  content: "";
}

.page-faq .faq-item > summary::before {
  content: "+";
  position: absolute;
  left: 0;
  top: 18px;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.55;
  font-weight: 700;
  color: var(--gold);
  transition: color 0.22s var(--ease);
}

.page-faq .faq-item[open] > summary::before {
  content: "–";
  color: var(--jade);
}

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

.page-faq .faq-answer {
  padding: 0 34px 20px calc(var(--faq-indent) + 1em);
  border-top: 1px dashed var(--rule);
  padding-top: 16px;
}

.page-faq .faq-section--alt .faq-answer {
  border-top-color: #d8d2c4;
}

.page-faq .faq-answer p {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-section--alt .faq-answer p {
  color: #4c5560;
}

/* ---------- 跨设备分栏 ---------- */

.page-faq .faq-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
}

.page-faq .faq-side-figure {
  margin: 0;
}

.page-faq .faq-side-note {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 联系区块 ---------- */

.page-faq .faq-help-list {
  margin: clamp(24px, 3.5vw, 34px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .faq-help-list li {
  position: relative;
  padding: 14px 18px 14px 40px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--paper);
  background: var(--panel);
  border-left: 3px solid var(--cinnabar);
}

.page-faq .faq-help-list li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 24px;
  width: 10px;
  height: 2px;
  background: var(--cinnabar);
  transform: rotate(-12deg);
}

.page-faq .faq-contact {
  margin: clamp(24px, 3.5vw, 34px) 0 0;
  padding: clamp(22px, 3vw, 32px);
  background: var(--panel);
  border: 1px solid var(--rule);
}

.page-faq .faq-contact-list {
  margin: 18px 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
}

.page-faq .faq-contact-list dt {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-contact-list dd {
  margin: 4px 0 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-contact-note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-contact-cta {
  margin: 20px 0 0;
}

.page-faq .faq-contact-cta .btn {
  text-decoration: none;
}

/* ---------- 显现动效 ---------- */

.page-faq .reveal {
  opacity: 1;
}

@media (prefers-reduced-motion: no-preference) {
  .page-faq .reveal {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
  }
  .page-faq .reveal.is-visible {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 平板及以上 ---------- */

@media (min-width: 720px) {
  .page-faq .faq-rail {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-faq .faq-rail-node:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 46px;
    right: -15px;
    width: 13px;
    height: 2px;
    background: var(--gold);
    transform: rotate(-12deg);
    transform-origin: center;
    pointer-events: none;
  }

  .page-faq .faq-contact-list {
    grid-template-columns: 8em minmax(0, 1fr);
    align-items: baseline;
    column-gap: 16px;
  }

  .page-faq .faq-contact-list dt {
    margin-top: 10px;
  }

  .page-faq .faq-contact-list dd {
    margin-top: 10px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
  }

  .page-faq .faq-section--help .faq-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 420px);
  }

  .page-faq .faq-split .faq-contact {
    margin-top: 0;
  }

  .page-faq .faq-split .faq-contact-list {
    grid-template-columns: 1fr;
  }

  .page-faq .faq-split .faq-contact-list dt {
    margin-top: 14px;
  }
}
<<<END>>>