.page-faq {
  --faq-ink-soft: #3d4b64;
  --faq-lede-ink: rgba(255, 249, 239, 0.84);
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-intro {
  position: relative;
  overflow: hidden;
  background-color: var(--ink);
  color: var(--paper-white);
  padding-block: clamp(18px, 3vw, 32px) clamp(38px, 6vw, 74px);
  border-bottom: 4px solid var(--ink-deep);
}

.page-faq .faq-intro::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--ink-rule-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--ink-rule-soft) 1px, transparent 1px);
  background-size: 74px 74px;
  opacity: 0.6;
  pointer-events: none;
}

.page-faq .faq-intro::after {
  content: "";
  position: absolute;
  top: -24%;
  right: -12%;
  width: 44%;
  height: 152%;
  background: linear-gradient(150deg, var(--orange) 0 40%, var(--cyan) 40% 49%, transparent 49%);
  transform: rotate(-7deg);
  opacity: 0.24;
  pointer-events: none;
}

.page-faq .faq-intro .container {
  position: relative;
  z-index: 1;
}

.page-faq .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--ink-muted);
}

.page-faq .breadcrumb-item {
  display: inline-flex;
  align-items: baseline;
}

.page-faq .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: var(--orange);
}

.page-faq .breadcrumb-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s ease;
}

.page-faq .breadcrumb-link:hover,
.page-faq .breadcrumb-link:focus-visible {
  border-bottom-color: currentColor;
}

.page-faq .faq-eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
}

.page-faq .faq-title {
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-size: clamp(34px, 6.4vw, 82px);
  line-height: 1.03;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--paper-white);
}

.page-faq .faq-lede {
  max-width: 62ch;
  margin: 0 0 clamp(22px, 3vw, 32px);
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.78;
  color: var(--faq-lede-ink);
}

.page-faq .faq-searchbar {
  display: grid;
  gap: 8px;
  max-width: 620px;
  margin-bottom: clamp(18px, 2.4vw, 26px);
}

.page-faq .faq-search-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-search-input {
  width: 100%;
  box-sizing: border-box;
  padding: 14px 16px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--ink-deep);
  background-color: var(--paper-white);
  border: 3px solid var(--ink-deep);
  border-radius: 0;
  box-shadow: var(--shadow-soft);
  appearance: none;
  -webkit-appearance: none;
}

.page-faq .faq-search-input::placeholder {
  color: var(--steel);
}

.page-faq .faq-search-input:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-chips .chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
  text-decoration: none;
  color: var(--paper-white);
  background-color: rgba(255, 249, 239, 0.06);
  border: 2px solid var(--ink-rule);
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.page-faq .faq-chips .chip:hover,
.page-faq .faq-chips .chip:focus-visible {
  background-color: var(--orange);
  border-color: var(--orange);
  color: var(--ink-deep);
  transform: translateY(-2px);
}

/* ---------- 三条路径 ---------- */
.page-faq .faq-paths {
  padding-block: clamp(38px, 5vw, 72px);
  border-bottom: 4px solid var(--ink-deep);
}

.page-faq .faq-paths-head {
  margin-bottom: clamp(22px, 3vw, 38px);
}

.page-faq .path-grid {
  display: grid;
  gap: clamp(16px, 2.2vw, 26px);
  margin-bottom: clamp(26px, 3.4vw, 46px);
}

.page-faq .path-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(18px, 2vw, 24px);
  background-color: var(--paper-white);
  border: 3px solid var(--ink-deep);
  box-shadow: var(--shadow-hard);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.page-faq .path-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 9px 9px 0 var(--ink-deep);
}

.page-faq .path-card-tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-faq .path-card-title {
  margin: 0;
  font-size: clamp(19px, 2vw, 24px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .path-steps {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: pathstep;
}

.page-faq .path-steps li {
  counter-increment: pathstep;
  position: relative;
  padding: 11px 12px 11px 46px;
  background-color: var(--paper);
  border: 2px solid var(--ink);
  font-size: 14px;
  line-height: 1.45;
  font-weight: 500;
  color: var(--ink);
}

.page-faq .path-steps li::before {
  content: counter(pathstep, decimal-leading-zero);
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  padding: 2px 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--ink-deep);
  background-color: var(--orange);
}

.page-faq .path-steps li + li::after {
  content: "";
  position: absolute;
  top: -11px;
  left: 26px;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid var(--orange);
}

.page-faq .path-card-note {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 2px solid var(--paper-line);
  font-size: 13px;
  line-height: 1.65;
  color: var(--faq-ink-soft);
}

/* ---------- 图片框 ---------- */
.page-faq .faq-figure {
  margin: 0;
  border: 3px solid var(--ink-deep);
  box-shadow: var(--shadow-hard);
  background-color: var(--ink);
}

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

.page-faq .faq-figure figcaption {
  padding: 11px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  line-height: 1.6;
  color: var(--ink-muted);
  background-color: var(--ink);
  border-top: 2px solid var(--ink-deep);
}

.page-faq .faq-figure--narrow {
  max-width: 620px;
  margin: 0 0 22px;
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-main {
  padding-block: clamp(38px, 5vw, 74px);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 44px);
}

.page-faq .faq-index {
  padding: 18px;
  background-color: var(--paper-white);
  border: 3px solid var(--ink-deep);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-index-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-faq .faq-index-list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: background-color 0.16s ease, border-color 0.16s ease;
}

.page-faq .faq-index-list a:hover,
.page-faq .faq-index-list a:focus-visible {
  background-color: var(--paper);
  border-left-color: var(--orange);
}

.page-faq .faq-index-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--faq-ink-soft);
}

.page-faq .faq-index-note {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 2px solid var(--paper-line);
  font-size: 12px;
  line-height: 1.65;
  color: var(--faq-ink-soft);
}

.page-faq .faq-topic {
  margin-bottom: clamp(32px, 4vw, 54px);
  scroll-margin-top: calc(var(--nav-h) + 24px);
}

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

.page-faq .faq-topic-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: 3px solid var(--ink-deep);
}

.page-faq .faq-topic-num {
  flex: none;
  padding: 2px 7px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--paper-white);
  background-color: var(--ink);
}

.page-faq .faq-topic-title {
  margin: 0;
  font-size: clamp(21px, 2.6vw, 32px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-topic-lede {
  max-width: 66ch;
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--faq-ink-soft);
}

/* ---------- 手风琴 ---------- */
.page-faq .qa {
  margin-bottom: 12px;
  background-color: var(--paper-white);
  border: 3px solid var(--ink-deep);
  box-shadow: var(--shadow-soft);
  transition: box-shadow 0.18s ease;
}

.page-faq .qa[open] {
  box-shadow: var(--shadow-hard);
}

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

.page-faq .qa-summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 1.5vw, 17px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
}

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

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

.page-faq .qa-summary:hover {
  background-color: var(--paper);
}

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

.page-faq .qa-num {
  flex: none;
  padding: 3px 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--paper-white);
  background-color: var(--ink);
  transition: background-color 0.18s ease, color 0.18s ease;
}

.page-faq .qa[open] .qa-num {
  background-color: var(--orange);
  color: var(--ink-deep);
}

.page-faq .qa-icon {
  position: relative;
  justify-self: end;
  width: 18px;
  height: 18px;
  flex: none;
}

.page-faq .qa-icon::before,
.page-faq .qa-icon::after {
  content: "";
  position: absolute;
  background-color: var(--ink-deep);
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.page-faq .qa-icon::before {
  left: 0;
  right: 0;
  top: 50%;
  height: 3px;
  margin-top: -1.5px;
}

.page-faq .qa-icon::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  margin-left: -1.5px;
}

.page-faq .qa[open] .qa-icon::before {
  background-color: var(--orange);
}

.page-faq .qa[open] .qa-icon::after {
  transform: scaleY(0);
}

.page-faq .qa-body {
  padding: 14px 16px 18px;
  border-top: 2px solid var(--paper-line);
}

.page-faq .qa-body p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.76;
  color: var(--faq-ink-soft);
}

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

.page-faq .qa-body p.qa-path {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 12px;
  padding: 10px 12px;
  background-color: var(--paper);
  border-left: 4px solid var(--orange);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--ink);
}

.page-faq .qa-path-label {
  flex: none;
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-deep);
  background-color: var(--orange);
}

.page-faq .qa-link {
  color: #0d6f68;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid currentColor;
}

.page-faq .qa-link:hover,
.page-faq .qa-link:focus-visible {
  color: var(--orange);
}

/* ---------- 权益对照表 ---------- */
.page-faq .qa-table-wrap {
  margin: 0 0 22px;
  overflow-x: auto;
  background-color: var(--paper-white);
  border: 3px solid var(--ink-deep);
  box-shadow: var(--shadow-soft);
}

.page-faq .qa-table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-faq .qa-table-caption {
  padding: 12px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper-white);
  background-color: var(--ink-deep);
}

.page-faq .qa-table th,
.page-faq .qa-table td {
  padding: 11px 13px;
  text-align: left;
  vertical-align: top;
  line-height: 1.55;
  border-bottom: 2px solid var(--paper-line);
}

.page-faq .qa-table thead th {
  background-color: var(--ink);
  color: var(--paper-white);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  border-bottom: none;
}

.page-faq .qa-table thead th.is-mid {
  color: var(--orange);
}

.page-faq .qa-table tbody th {
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
}

.page-faq .qa-table tbody td {
  color: var(--faq-ink-soft);
}

.page-faq .qa-table tbody td.is-mid {
  background-color: rgba(255, 106, 26, 0.12);
  color: var(--ink);
  font-weight: 700;
}

.page-faq .qa-table tbody tr:last-child th,
.page-faq .qa-table tbody tr:last-child td {
  border-bottom: none;
}

/* ---------- 底部求助 ---------- */
.page-faq .faq-help {
  padding-block: clamp(38px, 5vw, 72px);
  background-color: var(--ink);
  color: var(--paper-white);
  border-top: 4px solid var(--ink-deep);
}

.page-faq .faq-help-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 44px);
}

.page-faq .faq-help .eyebrow {
  color: var(--cyan);
  margin: 0 0 12px;
}

.page-faq .faq-help h2 {
  margin: 0 0 12px;
  font-size: clamp(24px, 3.2vw, 38px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper-white);
}

.page-faq .faq-help-lede {
  max-width: 62ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--faq-lede-ink);
}

.page-faq .faq-help-lede .qa-link {
  color: var(--cyan);
}

.page-faq .faq-help-lede .qa-link:hover,
.page-faq .faq-help-lede .qa-link:focus-visible {
  color: var(--orange);
}

.page-faq .faq-help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .faq-help-contact {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink-rule);
}

.page-faq .faq-help-contact > div {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 2px solid var(--ink-rule);
}

.page-faq .faq-help-contact dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-help-contact dd {
  margin: 0;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--paper-white);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-help-inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 860px) {
  .page-faq .path-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: 250px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--nav-h) + 20px);
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-layout {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 52px;
  }

  .page-faq .faq-searchbar {
    max-width: 680px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .path-card,
  .page-faq .path-card:hover,
  .page-faq .faq-chips .chip,
  .page-faq .faq-chips .chip:hover,
  .page-faq .qa-icon::before,
  .page-faq .qa-icon::after {
    transition: none;
    transform: none;
  }
}