.page-faq {
  --faq-line: rgba(28, 39, 51, 0.12);
  --faq-line-strong: rgba(28, 39, 51, 0.22);
  --faq-shadow: 0 16px 36px rgba(10, 26, 47, 0.09);
  --faq-body: #33414f;
  background: var(--white);
  color: var(--graphite);
  font-family: var(--font-body);
  padding-bottom: 72px;
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-block: 18px 0;
  font-size: 13px;
  color: var(--mist);
}

.page-faq .breadcrumb a {
  color: var(--teal);
  text-decoration: none;
  transition: color var(--dur) ease;
}

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

.page-faq .breadcrumb-sep {
  color: var(--mist);
}

.page-faq .breadcrumb [aria-current="page"] {
  color: var(--graphite);
  font-weight: 600;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  margin: 18px 0 26px;
  padding: clamp(26px, 5vw, 54px) 0;
  background: var(--ink);
  color: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -80px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(22, 209, 196, 0.32), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -40px;
  right: 22%;
  width: 92px;
  height: 300px;
  background: var(--red);
  opacity: 0.28;
  transform: rotate(-6deg);
  pointer-events: none;
}

.page-faq .faq-hero-inner {
  position: relative;
  display: grid;
  gap: 28px;
  padding-inline: var(--gutter);
}

.page-faq .faq-eyebrow {
  display: inline-block;
  margin: 0 0 16px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: rgba(242, 225, 76, 0.16);
  color: var(--yellow);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--white);
  max-width: 16ch;
}

.page-faq .faq-lead {
  margin: 0 0 26px;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(246, 248, 251, 0.76);
}

.page-faq .faq-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
}

.page-faq .faq-stat {
  display: grid;
  gap: 2px;
  padding-left: 12px;
  border-left: 2px solid rgba(22, 209, 196, 0.55);
}

.page-faq .faq-stat-num {
  font-family: var(--font-num);
  font-size: 26px;
  font-weight: 800;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: 0.01em;
}

.page-faq .faq-stat-label {
  font-size: 12px;
  color: var(--mist);
}

.page-faq .faq-hero-visual {
  margin: 0;
  position: relative;
}

.page-faq .faq-hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid rgba(246, 248, 251, 0.14);
  object-fit: cover;
  aspect-ratio: 12 / 7;
}

/* ---------- 分类胶囊 ---------- */

.page-faq .faq-jump {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 2px 2px 10px;
  margin-bottom: 24px;
  scrollbar-width: none;
}

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

.page-faq .faq-pill {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--faq-line-strong);
  background: #fff;
  color: var(--graphite);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--dur) ease, color var(--dur) ease, border-color var(--dur) ease;
}

.page-faq .faq-pill:hover,
.page-faq .faq-pill:focus-visible {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}

/* ---------- 布局 ---------- */

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

.page-faq .faq-side {
  display: none;
  background: var(--ink-2);
  color: var(--white);
  border-radius: var(--radius-md);
  padding: 20px 18px;
}

.page-faq .faq-side-title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

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

.page-faq .faq-index a {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 10px;
  align-items: center;
  padding: 9px 8px;
  border-radius: 10px;
  color: rgba(246, 248, 251, 0.74);
  font-size: 13.5px;
  line-height: 1.35;
  text-decoration: none;
  transition: background var(--dur) ease, color var(--dur) ease;
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  background: rgba(22, 209, 196, 0.14);
  color: var(--white);
}

.page-faq .faq-idx {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-faq .faq-side-foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(143, 161, 178, 0.24);
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 问题分组 ---------- */

.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h) + 22px);
  margin-bottom: 34px;
}

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

.page-faq .faq-group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-group-coord {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--red);
}

.page-faq .faq-group-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 3.2vw, 25px);
  line-height: 1.25;
  color: var(--ink);
  letter-spacing: -0.01em;
}

/* ---------- 折叠问答 ---------- */

.page-faq .faq-item {
  margin-bottom: 10px;
  background: #fff;
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--faq-line-strong);
  border-radius: var(--radius-md);
  transition: border-color var(--dur) ease, box-shadow var(--dur) ease;
}

.page-faq .faq-item:hover {
  border-color: rgba(22, 209, 196, 0.5);
}

.page-faq .faq-item[open] {
  border-left-color: var(--cyan);
  box-shadow: var(--faq-shadow);
}

.page-faq .faq-item summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .faq-num {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--mist);
  transition: color var(--dur) ease;
}

.page-faq .faq-item[open] .faq-num {
  color: var(--red);
}

.page-faq .faq-q {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink);
}

.page-faq .faq-mark {
  width: 11px;
  height: 11px;
  border-right: 2px solid var(--mist);
  border-bottom: 2px solid var(--mist);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform var(--dur) ease, border-color var(--dur) ease;
}

.page-faq .faq-item[open] .faq-mark {
  transform: rotate(-135deg) translate(-2px, -2px);
  border-color: var(--teal);
}

.page-faq .faq-a {
  padding: 0 16px 18px 16px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--faq-body);
  border-top: 1px dashed var(--faq-line);
  padding-top: 14px;
  margin-top: 0;
}

.page-faq .faq-a p {
  margin: 0 0 10px;
}

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

.page-faq .faq-a a {
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 联系卡片 ---------- */

.page-faq .faq-contact {
  display: grid;
  gap: 0;
  margin-bottom: 16px;
  background: var(--ink-2);
  color: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

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

.page-faq .faq-contact-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 5 / 3;
}

.page-faq .faq-contact-body {
  padding: clamp(20px, 4vw, 32px);
}

.page-faq .faq-contact-kicker {
  display: inline-block;
  margin: 0 0 12px;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background: rgba(22, 209, 196, 0.16);
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-faq .faq-contact-body h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(19px, 3vw, 24px);
  line-height: 1.25;
  color: var(--white);
}

.page-faq .faq-contact-body > p {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(246, 248, 251, 0.74);
}

.page-faq .faq-contact-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-contact-list li {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding-bottom: 9px;
  border-bottom: 1px solid rgba(143, 161, 178, 0.22);
}

.page-faq .faq-contact-label {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-faq .faq-contact-value {
  font-size: 14px;
  line-height: 1.5;
  color: var(--white);
  word-break: break-word;
}

.page-faq .faq-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-copy {
  appearance: none;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  background: var(--red);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  padding: 11px 22px;
  cursor: pointer;
  transition: background var(--dur) ease, transform var(--dur) ease;
}

.page-faq .faq-copy:hover {
  background: #c72c21;
  transform: translateY(-1px);
}

.page-faq .faq-copy:focus-visible {
  outline: 2px solid var(--yellow);
  outline-offset: 3px;
}

.page-faq .faq-contact-link {
  display: inline-flex;
  align-items: center;
  padding: 11px 22px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(246, 248, 251, 0.32);
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background var(--dur) ease, border-color var(--dur) ease, color var(--dur) ease;
}

.page-faq .faq-contact-link:hover,
.page-faq .faq-contact-link:focus-visible {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

/* ---------- 更多问题 ---------- */

.page-faq .faq-links {
  display: grid;
  gap: 10px;
}

.page-faq .faq-link {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  grid-template-areas:
    "coord title"
    "coord desc";
  gap: 2px 12px;
  align-items: center;
  padding: 14px 16px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  background: #fff;
  text-decoration: none;
  transition: border-color var(--dur) ease, box-shadow var(--dur) ease, transform var(--dur) ease;
}

.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible {
  border-color: var(--cyan);
  box-shadow: var(--faq-shadow);
  transform: translateY(-2px);
}

.page-faq .faq-link-coord {
  grid-area: coord;
  font-family: var(--font-num);
  font-size: 18px;
  font-weight: 800;
  color: var(--teal);
  transition: color var(--dur) ease;
}

.page-faq .faq-link:hover .faq-link-coord {
  color: var(--red);
}

.page-faq .faq-link-title {
  grid-area: title;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-link-desc {
  grid-area: desc;
  font-size: 13px;
  line-height: 1.6;
  color: var(--faq-body);
}

/* ---------- 中屏与桌面 ---------- */

@media (min-width: 700px) {
  .page-faq .faq-hero-inner {
    padding-inline: clamp(28px, 4vw, 56px);
  }

  .page-faq .faq-a {
    padding-left: 50px;
    padding-top: 0;
    border-top: none;
    font-size: 15px;
  }

  .page-faq .faq-item[open] .faq-a {
    border-top: 1px dashed var(--faq-line);
    padding-top: 14px;
  }

  .page-faq .faq-contact {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }

  .page-faq .faq-contact-figure img {
    height: 100%;
    aspect-ratio: auto;
  }

  .page-faq .faq-links {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-inner {
    grid-template-columns: 7fr 5fr;
    align-items: center;
    gap: 44px;
  }

  .page-faq .faq-hero-visual img {
    aspect-ratio: 12 / 7;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 252px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-side {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }

  .page-faq .faq-jump {
    margin-bottom: 34px;
  }

  .page-faq .faq-item summary {
    padding: 17px 20px;
  }

  .page-faq .faq-a {
    padding-left: 58px;
    padding-right: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-mark,
  .page-faq .faq-num,
  .page-faq .faq-pill,
  .page-faq .faq-link,
  .page-faq .faq-copy,
  .page-faq .faq-contact-link {
    transition: none;
  }

  .page-faq .faq-link:hover {
    transform: none;
  }
}