.page-faq {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

.page-faq .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 18px;
  font-size: 13px;
  color: var(--muted);
}

.page-faq .crumbs a {
  color: var(--deep);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .crumbs a:hover {
  color: var(--red);
  border-bottom-color: var(--red);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  margin-top: 14px;
  background: var(--deep);
  border-bottom: 4px solid var(--sand);
  padding: clamp(30px, 5.4vw, 66px) 0 clamp(34px, 6vw, 76px);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 18px;
}

.page-faq .faq-hero .eyebrow {
  margin: 0;
  color: var(--sand);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.page-faq .faq-hero h1 {
  margin: 0;
  max-width: 24ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(27px, 5.4vw, 52px);
  line-height: 1.15;
  letter-spacing: -0.022em;
  color: var(--paper);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.55vw, 17px);
  line-height: 1.9;
  color: rgba(247, 243, 234, 0.86);
}

.page-faq .faq-hero__jump {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 8px 0 0;
  padding: 0;
}

.page-faq .faq-hero__jump a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 15px;
  border: 1px solid rgba(201, 169, 110, 0.5);
  color: var(--sand-2);
  font-size: 13px;
  letter-spacing: 0.03em;
  text-decoration: none;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-faq .faq-hero__jump a span {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--sand);
  letter-spacing: 0.04em;
}

.page-faq .faq-hero__jump a:hover {
  background: rgba(201, 169, 110, 0.16);
  border-color: var(--sand);
  color: var(--paper);
}

.page-faq .faq-hero__meta {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: rgba(247, 243, 234, 0.6);
}

/* ---------- 主体分栏 ---------- */
.page-faq .faq-steps {
  padding: clamp(38px, 5.4vw, 78px) 0 clamp(30px, 4vw, 56px);
}

.page-faq .faq-steps__grid {
  display: grid;
  gap: 24px;
}

.page-faq .faq-rail {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 14px 14px 16px;
  background: var(--deep);
  border-left: 4px solid var(--sand);
  scrollbar-width: thin;
}

.page-faq .faq-rail__label {
  display: none;
}

.page-faq .faq-rail__item {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  color: rgba(247, 243, 234, 0.78);
  font-size: 12.5px;
  white-space: nowrap;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-rail__item:hover {
  color: var(--paper);
  background: rgba(255, 255, 255, 0.07);
  border-bottom-color: var(--sand);
}

.page-faq .faq-rail__no {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--sand);
}

/* ---------- 分组与步骤卡片 ---------- */
.page-faq .faq-group {
  margin-bottom: clamp(30px, 4vw, 50px);
}

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

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  margin-bottom: 14px;
  border-bottom: 2px solid var(--ink);
}

.page-faq .faq-group__kicker {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--red);
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 2.6vw, 27px);
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-faq .faq-group__note {
  margin: 0 0 20px;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-step {
  margin-bottom: 14px;
  background: var(--paper-2);
  border: 1px solid var(--haze);
  border-left: 5px solid var(--sand);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

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

.page-faq .faq-step[open] {
  border-left-color: var(--red);
}

.page-faq .faq-step > summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-step > summary:hover .faq-step__title {
  color: var(--red);
}

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

.page-faq .faq-step__no {
  flex: none;
  min-width: 2ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 3.2vw, 30px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--red);
}

.page-faq .faq-step__title {
  flex: 1 1 auto;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(15px, 1.9vw, 18px);
  line-height: 1.4;
  letter-spacing: -0.008em;
  transition: color 0.2s var(--ease);
}

.page-faq .faq-step__caret {
  flex: none;
  width: 11px;
  height: 11px;
  margin-right: 5px;
  border-right: 2px solid var(--deep);
  border-bottom: 2px solid var(--deep);
  transform: rotate(45deg);
  transition: transform 0.25s var(--ease);
}

.page-faq .faq-step[open] .faq-step__caret {
  transform: rotate(-135deg);
}

.page-faq .faq-step__body {
  padding: 16px 18px 20px;
  border-top: 1px dashed var(--line-soft);
  font-size: 15px;
  line-height: 1.9;
  color: #33312c;
}

.page-faq .faq-step__body p {
  margin: 0 0 12px;
  max-width: 68ch;
}

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

.page-faq .faq-step__body strong {
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-step__body a {
  color: var(--deep-2);
  text-decoration: underline;
  text-decoration-color: var(--line-soft);
  text-underline-offset: 3px;
}

.page-faq .faq-step__body a:hover {
  color: var(--red);
}

.page-faq .faq-key {
  font-family: var(--font-body);
  background: var(--sand-2);
  border: 1px solid var(--sand);
  border-radius: 2px;
  padding: 1px 6px;
  font-size: 0.86em;
  color: var(--ink);
}

.page-faq .faq-tip {
  background: var(--sand-2);
  border-left: 3px solid var(--sand);
  padding: 10px 14px;
  font-size: 13.5px;
  line-height: 1.8;
  color: #4a4238;
}

.page-faq .faq-figure {
  margin: 16px 0 4px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--haze);
  background: var(--paper);
}

.page-faq .faq-figure figcaption {
  margin-top: 8px;
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--muted);
}

/* ---------- 检索示例面板 ---------- */
.page-faq .faq-searchdemo {
  margin: 14px 0;
  background: #ffffff;
  border: 1px solid var(--deep);
}

.page-faq .faq-searchdemo__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 14px;
  background: var(--deep);
  color: var(--paper);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page-faq .faq-searchdemo__hint {
  color: var(--sand);
  letter-spacing: 0.04em;
}

.page-faq .faq-searchdemo__row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 12px;
  padding: 11px 14px;
  border-bottom: 1px dashed var(--haze);
  font-size: 13.5px;
  line-height: 1.7;
}

.page-faq .faq-searchdemo__row:last-child {
  border-bottom: 0;
}

.page-faq .faq-searchdemo__key {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--red);
}

/* ---------- 联系区块 ---------- */
.page-faq .faq-contact {
  margin-top: clamp(30px, 4vw, 56px);
  padding: clamp(36px, 5vw, 68px) 0;
  background: var(--deep);
  border-top: 4px solid var(--sand);
}

.page-faq .faq-contact__inner {
  display: grid;
  gap: 26px;
}

.page-faq .faq-contact h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 3.2vw, 33px);
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-faq .faq-contact p {
  margin: 0 0 18px;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(247, 243, 234, 0.85);
}

.page-faq .faq-contact__card {
  padding: 20px 22px;
  background: rgba(247, 243, 234, 0.06);
  border: 1px solid rgba(201, 169, 110, 0.42);
}

.page-faq .faq-contact__row {
  padding: 12px 0;
  border-bottom: 1px dashed rgba(201, 169, 110, 0.3);
}

.page-faq .faq-contact__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .contact-label {
  display: block;
  margin-bottom: 5px;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sand);
}

.page-faq .contact-value {
  display: block;
  font-size: 15px;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-contact__row .copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  padding: 5px 11px;
  background: transparent;
  border: 1px solid rgba(201, 169, 110, 0.55);
  color: var(--sand-2);
  font-family: var(--font-body);
  font-size: 12px;
  cursor: pointer;
  transition: background 0.22s var(--ease), color 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-faq .faq-contact__row .copy-btn:hover {
  background: rgba(201, 169, 110, 0.18);
  border-color: var(--sand);
  color: var(--paper);
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 880px) {
  .page-faq .faq-contact__inner {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 46px;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-steps__grid {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 46px;
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 18px 16px 20px;
  }

  .page-faq .faq-rail__label {
    display: block;
    margin: 0 0 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(201, 169, 110, 0.35);
    font-family: var(--font-display);
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--sand);
  }

  .page-faq .faq-rail__item {
    border-bottom: 0;
    border-left: 2px solid transparent;
  }

  .page-faq .faq-rail__item:hover {
    border-left-color: var(--sand);
    border-bottom-color: transparent;
  }

  .page-faq .faq-step:nth-child(even) {
    margin-left: 4%;
  }

  .page-faq .faq-step > summary {
    padding: 17px 22px;
  }

  .page-faq .faq-step__body {
    padding: 18px 22px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step__caret,
  .page-faq .faq-rail__item,
  .page-faq .faq-hero__jump a,
  .page-faq .faq-contact__row .copy-btn {
    transition: none;
  }
}