.page-faq {
  --faq-radius: 12px;
  --faq-gap: 20px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}

.page-faq .container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  box-sizing: border-box;
}

.page-faq .breadcrumb {
  padding-top: 20px;
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--ink-dim);
}

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

.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--grey-200);
}

.page-faq .breadcrumb a {
  color: var(--blue-700);
  text-decoration: none;
}

.page-faq .breadcrumb a:hover {
  color: var(--amber-deep);
  text-decoration: underline;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  margin-top: 16px;
  padding: 33px 0 38px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(220, 232, 226, 0.55) 0%, rgba(251, 250, 247, 0) 72%),
    var(--grey-100);
}

.page-faq .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber-deep);
}

.page-faq h1 {
  margin: 0 0 18px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 26px;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--blue-950);
  max-width: 22em;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-dim);
}

.page-faq .faq-hero__quick {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .faq-quick {
  display: block;
  padding: 16px 18px 18px;
  text-decoration: none;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--celadon);
  border-radius: var(--faq-radius);
  box-shadow: var(--shadow-sm);
  transition: transform 160ms ease, border-color 160ms ease;
}

.page-faq .faq-quick:hover,
.page-faq .faq-quick:focus-visible {
  transform: translateY(-2px);
  border-left-color: var(--amber);
}

.page-faq .faq-quick__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--amber-deep);
  letter-spacing: 0.08em;
}

.page-faq .faq-quick__title {
  display: block;
  margin: 6px 0 4px;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 700;
  color: var(--blue-900);
}

.page-faq .faq-quick__text {
  display: block;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-dim);
}

/* ---------- 双栏主体 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  padding: 36px 0 64px;
}

.page-faq .faq-index {
  background: var(--grey-100);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  padding: 18px 18px 20px;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--blue-500);
  text-transform: uppercase;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-index__list li + li {
  border-top: 1px solid var(--grey-200);
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--blue-900);
  text-decoration: none;
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--amber-deep);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--celadon);
  min-width: 22px;
}

.page-faq .faq-index__hint {
  display: flex;
  gap: 8px;
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--grey-200);
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink-dim);
  font-family: var(--font-sans);
}

.page-faq .faq-dot {
  display: inline-block;
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--celadon);
  box-shadow: 0 0 0 3px var(--celadon-pale);
}

/* ---------- 章节 ---------- */
.page-faq .faq-sec {
  scroll-margin-top: 96px;
}

.page-faq .faq-sec + .faq-sec {
  margin-top: 48px;
  padding-top: 36px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-sec__head {
  margin-bottom: 22px;
}

.page-faq .section-number {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--amber-deep);
  padding-bottom: 6px;
  border-bottom: 2px solid var(--amber);
}

.page-faq .section-title {
  margin: 12px 0 10px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.3;
  color: var(--blue-950);
}

.page-faq .faq-sec__lead {
  margin: 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-dim);
}

/* ---------- 标签页 ---------- */
.page-faq .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.page-faq .tab {
  appearance: none;
  cursor: pointer;
  padding: 9px 16px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--blue-900);
  background: var(--grey-100);
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-pill);
  transition: background 150ms ease, color 150ms ease, border-color 150ms ease;
}

.page-faq .tab:hover {
  border-color: var(--blue-500);
}

.page-faq .tab[aria-selected="true"] {
  background: var(--blue-900);
  border-color: var(--blue-900);
  color: var(--on-dark);
}

.page-faq .tab:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-faq .tab-panel {
  padding: 4px 0 0;
}

/* ---------- 步骤条 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: faqstep;
}

.page-faq .faq-steps > li {
  position: relative;
  padding: 0 0 22px 46px;
}

.page-faq .faq-steps > li::before {
  counter-increment: faqstep;
  content: counter(faqstep);
  position: absolute;
  left: 0;
  top: 2px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--celadon-pale);
  border: 1px solid rgba(94, 140, 122, 0.35);
  color: var(--blue-900);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-faq .faq-steps > li::after {
  content: "";
  position: absolute;
  left: 13px;
  top: 34px;
  bottom: 4px;
  width: 1px;
  background: var(--grey-200);
}

.page-faq .faq-steps > li:last-child {
  padding-bottom: 0;
}

.page-faq .faq-steps > li:last-child::after {
  display: none;
}

.page-faq .faq-steps--amber > li::before {
  background: rgba(185, 133, 47, 0.12);
  border-color: rgba(185, 133, 47, 0.4);
  color: var(--amber-deep);
}

.page-faq .faq-steps h3 {
  margin: 0 0 4px;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  color: var(--blue-900);
}

.page-faq .faq-steps p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-dim);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 0 0 24px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--grey-100);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 16px 12px;
  font-family: var(--font-sans);
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink-dim);
  border-top: 1px solid var(--line);
  background: var(--paper);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-acc {
  border-top: 1px solid var(--line);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-item summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 15px 42px 15px 0;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--blue-900);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  color: var(--amber);
  line-height: 1;
}

.page-faq .faq-item[open] summary::after {
  content: "\2212";
}

.page-faq .faq-item summary:hover {
  color: var(--amber-deep);
}

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

.page-faq .faq-item__body {
  padding: 0 0 18px;
}

.page-faq .faq-item__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-dim);
  padding-left: 14px;
  border-left: 2px solid var(--celadon-pale);
}

.page-faq .faq-inline-link {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-dim);
  font-family: var(--font-sans);
}

.page-faq a {
  color: var(--blue-700);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq a:hover {
  color: var(--amber-deep);
}

/* ---------- 权益反馈卡片 ---------- */
.page-faq .faq-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-faq .faq-card {
  padding: 16px 18px 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
}

.page-faq .faq-card__tag {
  display: inline-block;
  margin-bottom: 8px;
  padding: 2px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--amber-deep);
  background: rgba(185, 133, 47, 0.1);
  border-radius: var(--radius-pill);
}

.page-faq .faq-card h3 {
  margin: 0 0 6px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  color: var(--blue-900);
  line-height: 1.5;
}

.page-faq .faq-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-dim);
}

.page-faq .note-band {
  margin: 20px 0 0;
  padding: 13px 16px;
  font-size: 14px;
  line-height: 1.75;
  font-family: var(--font-sans);
  color: var(--blue-900);
  background: var(--celadon-pale);
  border-left: 3px solid var(--celadon);
  border-radius: 0 8px 8px 0;
}

/* ---------- 检索使用 ---------- */
.page-faq .faq-search-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  overflow: hidden;
}

.page-faq .faq-search-grid__item {
  padding: 16px 18px;
  background: var(--paper);
}

.page-faq .faq-search-grid__item h3 {
  margin: 0 0 6px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  color: var(--blue-900);
  line-height: 1.5;
}

.page-faq .faq-search-grid__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-dim);
}

.page-faq .faq-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.page-faq .pill {
  display: inline-block;
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--blue-900);
  background: var(--grey-100);
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-pill);
}

.page-faq .pill--accent {
  color: var(--amber-deep);
  background: rgba(185, 133, 47, 0.1);
  border-color: rgba(185, 133, 47, 0.4);
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-sec--contact .faq-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-faq .faq-contact__main {
  padding: 18px;
  background: var(--grey-100);
  border: 1px solid var(--line);
  border-top: 3px solid var(--amber);
  border-radius: var(--faq-radius);
}

.page-faq .contact-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--grey-200);
}

.page-faq .contact-line:last-of-type {
  border-bottom: none;
}

.page-faq .contact-key {
  flex: 0 0 72px;
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--blue-500);
}

.page-faq .contact-value {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--blue-950);
  overflow-wrap: anywhere;
}

.page-faq .copy-btn {
  appearance: none;
  cursor: pointer;
  padding: 4px 12px;
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--blue-700);
  background: var(--paper);
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-pill);
  transition: background 140ms ease, color 140ms ease;
}

.page-faq .copy-btn:hover {
  background: var(--blue-900);
  color: var(--on-dark);
  border-color: var(--blue-900);
}

.page-faq .copy-btn:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-faq .contact-note {
  margin: 12px 0 0;
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-dim);
}

.page-faq .faq-contact__side {
  padding: 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
}

.page-faq .faq-contact__side h3 {
  margin: 0 0 10px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  color: var(--blue-900);
}

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

.page-faq .faq-contact__list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-dim);
}

.page-faq .faq-contact__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--celadon);
}

.page-faq .faq-contact__more {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-dim);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-faq h1 {
    font-size: 30px;
  }

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

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

  .page-faq .faq-sec--contact .faq-contact {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }
}

@media (min-width: 780px) {
  .page-faq .faq-hero {
    padding: 48px 0 46px;
  }

  .page-faq h1 {
    font-size: 36px;
    line-height: 1.22;
  }

  .page-faq .faq-hero__quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 34px;
  }

  .page-faq .section-title {
    font-size: 24px;
  }

  .page-faq .faq-figure--wide img {
    aspect-ratio: 1000 / 650;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 48px;
    padding: 44px 0 80px;
  }

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

  .page-faq .faq-sec + .faq-sec {
    margin-top: 60px;
    padding-top: 44px;
  }
}

@media (min-width: 1120px) {
  .page-faq .faq-body {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 60px;
  }

  .page-faq h1 {
    font-size: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick,
  .page-faq .tab,
  .page-faq .copy-btn {
    transition: none;
  }

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