.page-faq {
  --faq-gap: clamp(14px, 2.4vw, 24px);
  --faq-card-border: 3px solid var(--navy);
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

.page-faq a {
  color: inherit;
}

.page-faq .faq-hero,
.page-faq .faq-quick,
.page-faq .faq-section {
  scroll-margin-top: 88px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4.6vw, 48px) 0 clamp(28px, 4.8vw, 52px);
  background: var(--navy);
  color: var(--white);
  border-bottom: var(--border-w) solid var(--amber);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(159, 179, 209, 0.14) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(159, 179, 209, 0.07) 1px, transparent 1px);
  background-size: 56px 56px, 56px 56px;
  pointer-events: none;
}

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

.page-faq .faq-hero .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fog);
}

.page-faq .faq-hero .breadcrumbs a {
  color: var(--fog);
  text-decoration: none;
  border-bottom: 1px solid rgba(159, 179, 209, 0.55);
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-hero .breadcrumbs a:hover,
.page-faq .faq-hero .breadcrumbs a:focus-visible {
  color: var(--amber);
  border-color: var(--amber);
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: clamp(20px, 3.4vw, 34px);
}

.page-faq .faq-hero .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.page-faq .faq-hero h1 {
  margin: 0 0 16px;
  max-width: 17ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.2vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-faq .faq-hero .lede {
  margin: 0 0 24px;
  max-width: 46ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: #d5e1f1;
}

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

.page-faq .faq-hero-side {
  border: 2px solid rgba(242, 169, 59, 0.6);
  background: rgba(18, 62, 124, 0.62);
  padding: 18px 16px 16px;
  box-shadow: 7px 7px 0 rgba(242, 169, 59, 0.32);
}

.page-faq .side-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--amber);
}

.page-faq .faq-side-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-side-stats li {
  padding-left: 10px;
  border-left: 2px solid rgba(159, 179, 209, 0.42);
}

.page-faq .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--white);
}

.page-faq .stat-lbl {
  display: block;
  margin-top: 3px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--fog);
}

/* ---------- 快速排查 ---------- */
.page-faq .faq-quick {
  background: var(--amber);
  color: var(--navy);
  padding: clamp(24px, 4vw, 44px) 0 clamp(26px, 4.2vw, 46px);
  border-bottom: var(--border-w) solid var(--navy);
}

.page-faq .quick-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  margin-bottom: 20px;
}

.page-faq .quick-kicker {
  margin: 0;
  padding: 4px 10px;
  background: var(--navy);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.page-faq .faq-quick h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--navy);
}

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

.page-faq .quick-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 16px 18px;
  background: var(--paper);
  border: var(--border-w) solid var(--navy);
  box-shadow: 6px 6px 0 rgba(11, 31, 58, 0.9);
}

.page-faq .quick-num {
  align-self: flex-start;
  padding: 2px 8px;
  background: var(--magenta);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.page-faq .quick-item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.35;
  color: var(--navy);
}

.page-faq .quick-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: #35312a;
}

.page-faq .quick-item a {
  margin-top: auto;
  align-self: flex-start;
  padding-bottom: 2px;
  font-size: 13px;
  font-weight: 700;
  color: var(--royal);
  text-decoration: none;
  border-bottom: 2px solid var(--blue);
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-faq .quick-item a:hover,
.page-faq .quick-item a:focus-visible {
  color: var(--magenta);
  border-color: var(--magenta);
}

/* ---------- 分类标签条 ---------- */
.page-faq .faq-tabs {
  background: var(--paper-deep);
  border-bottom: var(--border-w) solid var(--navy);
  padding: 14px 0;
}

.page-faq .faq-tabs .container {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-tabs a {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 13px;
  background: var(--white);
  border: 2px solid var(--navy);
  box-shadow: 3px 3px 0 rgba(11, 31, 58, 0.85);
  color: var(--navy);
  font-size: 13.5px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

.page-faq .faq-tabs a span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--magenta);
}

.page-faq .faq-tabs a:hover,
.page-faq .faq-tabs a:focus-visible {
  background: var(--amber);
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 rgba(11, 31, 58, 0.85);
}

/* ---------- 章节 ---------- */
.page-faq .faq-section {
  padding: clamp(30px, 5vw, 58px) 0;
  border-bottom: 2px dashed var(--line);
}

.page-faq .faq-section--tinted {
  background: var(--paper-deep);
}

.page-faq .faq-section--contact {
  border-bottom: 0;
  background: var(--navy);
  color: var(--white);
}

.page-faq .faq-section-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px 16px;
  align-items: start;
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-faq .faq-section-num {
  display: inline-block;
  padding: 4px 10px;
  background: var(--paper);
  border: 2px solid var(--navy);
  box-shadow: 3px 3px 0 rgba(11, 31, 58, 0.85);
  font-family: var(--font-mono);
  font-size: clamp(20px, 3.4vw, 30px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--blue);
}

.page-faq .faq-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.page-faq .faq-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 30px;
  height: 30px;
  background: var(--mint);
  color: var(--teal);
  border: 2px solid var(--navy);
}

.page-faq .faq-section-title h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 3.2vw, 30px);
  line-height: 1.26;
  letter-spacing: -0.01em;
  color: var(--navy);
}

.page-faq .faq-section-desc {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: #463f34;
}

.page-faq .faq-section--contact .faq-section-num {
  background: rgba(245, 241, 232, 0.1);
  border-color: var(--amber);
  box-shadow: 3px 3px 0 rgba(242, 169, 59, 0.4);
  color: var(--amber);
}

.page-faq .faq-section--contact .faq-ico {
  background: rgba(242, 169, 59, 0.18);
  border-color: var(--amber);
  color: var(--amber);
}

.page-faq .faq-section--contact .faq-section-title h2 {
  color: var(--white);
}

.page-faq .faq-section--contact .faq-section-desc {
  color: #c8d6e8;
}

/* ---------- 章节栅格 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
}

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

/* ---------- 问答折叠 ---------- */
.page-faq .faq-item {
  background: var(--white);
  border: var(--border-w) solid var(--navy);
  box-shadow: 4px 4px 0 rgba(11, 31, 58, 0.92);
  transition: box-shadow 0.18s ease;
}

.page-faq .faq-item + .faq-item {
  margin-top: 14px;
}

.page-faq .faq-item[open] {
  box-shadow: 6px 6px 0 rgba(11, 31, 58, 0.9);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 14px 15px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--navy);
}

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

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

.page-faq .faq-item summary:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 2px;
}

.page-faq .faq-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.9;
  color: var(--magenta);
}

.page-faq .faq-q {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-marker {
  position: relative;
  flex: none;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  background: var(--amber);
  border: 2px solid var(--navy);
}

.page-faq .faq-marker::before,
.page-faq .faq-marker::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--navy);
  transform: translate(-50%, -50%);
  transition: transform 0.18s ease, opacity 0.18s ease;
}

.page-faq .faq-marker::before {
  width: 9px;
  height: 2px;
}

.page-faq .faq-marker::after {
  width: 2px;
  height: 9px;
}

.page-faq .faq-item[open] .faq-marker::after {
  opacity: 0;
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .faq-a {
  padding: 14px 15px 18px;
  border-top: 2px dashed var(--line);
}

.page-faq .faq-a p {
  margin: 0 0 10px;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.82;
  color: #2f2b24;
}

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

.page-faq .faq-a ul {
  margin: 0 0 10px;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.82;
  color: #2f2b24;
}

.page-faq .faq-a li {
  margin-bottom: 5px;
}

.page-faq .faq-a a {
  color: var(--royal);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid var(--blue);
}

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

.page-faq .faq-hint {
  margin-top: 12px !important;
  padding: 10px 12px;
  border-left: 4px solid var(--teal);
  background: #ecf7f4;
  font-size: 13.5px !important;
  color: #16453b !important;
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--paper-deep);
  border: var(--border-w) solid var(--navy);
  box-shadow: 8px 8px 0 rgba(11, 31, 58, 0.85);
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: #57503f;
}

/* ---------- 侧栏提示卡 ---------- */
.page-faq .faq-note-card {
  padding: 18px 16px 20px;
  background: var(--mint);
  color: var(--white);
  border: var(--border-w) solid var(--navy);
  box-shadow: 6px 6px 0 rgba(11, 31, 58, 0.9);
}

.page-faq .faq-note-card--cool {
  background: var(--royal);
}

.page-faq .note-kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--teal);
}

.page-faq .faq-note-card--cool .note-kicker {
  color: var(--amber);
}

.page-faq .note-big {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: #cfe3dd;
}

.page-faq .note-big span {
  font-size: 30px;
  font-weight: 700;
  color: var(--amber);
  margin-right: 4px;
}

.page-faq .note-text {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: #d8e6e1;
}

.page-faq .faq-note-card--cool .note-text {
  color: #d3e2f7;
}

.page-faq .faq-note-card .btn {
  margin-top: 16px;
}

/* ---------- 联系之前 ---------- */
.page-faq .faq-contact-grid {
  display: grid;
  gap: clamp(16px, 3vw, 26px);
}

.page-faq .faq-checklist {
  padding: 18px 16px 20px;
  background: rgba(245, 241, 232, 0.06);
  border: 2px solid rgba(159, 179, 209, 0.4);
}

.page-faq .faq-checklist h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.4;
  color: var(--amber);
}

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

.page-faq .check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.page-faq .check-num {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  background: var(--teal);
  color: var(--navy);
  border: 2px solid var(--navy);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.page-faq .check-list strong {
  display: block;
  margin-bottom: 3px;
  font-size: 15px;
  color: var(--white);
}

.page-faq .check-list p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: #c6d5e7;
}

.page-faq .faq-contact-card {
  padding: 20px 18px 22px;
  background: var(--paper);
  color: var(--ink);
  border: var(--border-w) solid var(--amber);
  box-shadow: 8px 8px 0 rgba(242, 169, 59, 0.4);
}

.page-faq .faq-contact-card .card-kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--magenta);
}

.page-faq .contact-mail {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(14px, 2.2vw, 17px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--navy);
  overflow-wrap: anywhere;
}

.page-faq .contact-time {
  margin: 0 0 10px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--royal);
}

.page-faq .contact-text {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: #3a352c;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .quick-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-item summary {
    padding: 16px 18px;
    font-size: 15.5px;
  }

  .page-faq .faq-a {
    padding: 16px 18px 20px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }

  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-layout--flip .faq-figure {
    order: -1;
  }

  .page-faq .faq-figure {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-contact-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-section-head {
    gap: 16px 22px;
  }

  .page-faq .faq-section-title h2 {
    font-size: 30px;
  }
}

@media (min-width: 1080px) {
  .page-faq .quick-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-marker::before,
  .page-faq .faq-marker::after,
  .page-faq .faq-tabs a,
  .page-faq .quick-item a {
    transition: none;
  }

  .page-faq .faq-tabs a:hover,
  .page-faq .faq-tabs a:focus-visible {
    transform: none;
  }
}