.page-faq {
  --faq-radius: var(--radius-card);
  --faq-banner-ratio: 16 / 5;
  background-color: var(--fog-050);
  color: var(--ink-900);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  padding-top: clamp(18px, 3vw, 32px);
}

.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--ink-600);
}

.page-faq .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--stone-300);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  margin-top: clamp(20px, 3vw, 36px);
  padding: clamp(36px, 6vw, 80px) 0 0;
  background:
    radial-gradient(120% 130% at 88% 4%, rgba(232, 118, 58, 0.24) 0%, rgba(232, 118, 58, 0) 58%),
    linear-gradient(155deg, var(--mineral-700) 0%, #1a5871 56%, var(--mineral-500) 100%);
  border-radius: var(--faq-radius) var(--faq-radius) 0 0;
  color: var(--fog-050);
  overflow: hidden;
}

.page-faq .faq-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
}

.page-faq .faq-hero-copy {
  max-width: 68ch;
}

.page-faq .faq-eyebrow {
  color: var(--copper-100);
}

.page-faq .faq-title {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(30px, 5.4vw, 58px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: #fff;
}

.page-faq .faq-lead {
  margin: 18px 0 0;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.78;
  color: rgba(245, 247, 248, 0.86);
}

.page-faq .faq-hero-media {
  margin: 0;
}

.page-faq .faq-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: var(--faq-banner-ratio);
  object-fit: cover;
  border-radius: var(--faq-radius) var(--faq-radius) 0 0;
  background: linear-gradient(120deg, var(--mineral-500), var(--mineral-200));
}

/* ---------- 通用区块标题 ---------- */
.page-faq .faq-head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 3vw, 40px);
}

.page-faq .faq-head-title {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(23px, 3.2vw, 36px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-faq .faq-head-note {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-600);
}

/* ---------- 热门问题 ---------- */
.page-faq .faq-hot {
  padding-top: clamp(44px, 6vw, 84px);
}

.page-faq .faq-hot-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hot-item {
  position: relative;
  display: grid;
  align-content: start;
  gap: 10px;
  padding: clamp(20px, 2.4vw, 30px);
  background: #fff;
  border: 1px solid var(--fog-100);
  border-radius: var(--faq-radius);
  overflow: hidden;
}

.page-faq .faq-hot-item::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--copper-600) 0%, var(--mineral-200) 70%, transparent 100%);
}

.page-faq .faq-hot-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--copper-600);
}

.page-faq .faq-hot-q {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink-900);
}

.page-faq .faq-hot-a {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-600);
}

/* ---------- 分类解答：索引 + 手风琴 ---------- */
.page-faq .faq-body {
  padding-top: clamp(52px, 7vw, 96px);
}

.page-faq .faq-body-head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 3vw, 40px);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.page-faq .faq-index {
  padding: clamp(18px, 2.4vw, 24px);
  background: var(--fog-100);
  border-radius: var(--faq-radius);
  border: 1px solid rgba(183, 193, 199, 0.6);
}

.page-faq .faq-index-title {
  margin: 0 0 14px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--ink-600);
}

.page-faq .faq-index-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.page-faq .faq-index-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink-900);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.4;
  transition: background-color 0.24s ease, color 0.24s ease;
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  background: var(--mineral-700);
  color: #fff;
}

.page-faq .faq-index-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--copper-600);
}

.page-faq .faq-index-link:hover .faq-index-num,
.page-faq .faq-index-link:focus-visible .faq-index-num {
  color: var(--copper-100);
}

.page-faq .faq-index-text {
  min-width: 0;
}

.page-faq .faq-index-count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-600);
}

.page-faq .faq-index-link:hover .faq-index-count,
.page-faq .faq-index-link:focus-visible .faq-index-count {
  color: rgba(245, 247, 248, 0.75);
}

.page-faq .faq-index-tip {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--copper-600);
}

.page-faq .faq-index-tip p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-600);
}

/* 分组 */
.page-faq .faq-group {
  scroll-margin-top: 108px;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(44px, 5vw, 76px);
}

.page-faq .faq-group-head {
  position: relative;
  padding-left: 56px;
  margin-bottom: clamp(16px, 2vw, 24px);
}

.page-faq .faq-group-mark {
  position: absolute;
  left: 0;
  top: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--copper-600);
}

.page-faq .faq-group-mark::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 34px;
  height: 1px;
  background: var(--copper-600);
}

.page-faq .faq-group-title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.35;
  color: var(--ink-900);
}

.page-faq .faq-group-note {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-600);
}

.page-faq .faq-list {
  border-top: 1px solid var(--stone-300);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--stone-300);
}

.page-faq .faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 2px;
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 1.8vw, 17px);
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink-900);
}

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

.page-faq .faq-q-text {
  min-width: 0;
}

.page-faq .faq-q::after {
  content: "";
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--copper-600);
  border-bottom: 2px solid var(--copper-600);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform 0.24s ease;
}

.page-faq .faq-item[open] .faq-q::after {
  transform: rotate(-135deg) translate(-2px, -2px);
}

.page-faq .faq-q:hover {
  color: var(--mineral-700);
}

.page-faq .faq-a {
  padding: 0 2px 22px;
  max-width: 70ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-600);
}

.page-faq .faq-a::before {
  content: "";
  display: block;
  width: 30px;
  height: 2px;
  margin-bottom: 12px;
  border-radius: 2px;
  background: var(--copper-600);
}

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

/* ---------- 联系入口 ---------- */
.page-faq .faq-contact {
  padding-top: clamp(56px, 7vw, 100px);
  padding-bottom: clamp(56px, 7vw, 100px);
}

.page-faq .faq-contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 52px);
  align-items: center;
  padding: clamp(24px, 3vw, 44px);
  border-radius: var(--faq-radius);
  background:
    radial-gradient(120% 150% at 100% 0%, rgba(232, 118, 58, 0.14) 0%, rgba(232, 118, 58, 0) 62%),
    linear-gradient(160deg, var(--mineral-700) 0%, #1a5871 100%);
  color: var(--fog-050);
}

.page-faq .faq-contact-media {
  margin: 0;
  border-radius: var(--faq-radius);
  overflow: hidden;
}

.page-faq .faq-contact-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  background: linear-gradient(140deg, var(--mineral-500), var(--mineral-200));
}

.page-faq .faq-contact-copy .faq-head-title {
  color: #fff;
}

.page-faq .faq-contact-lead {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(245, 247, 248, 0.86);
}

.page-faq .faq-contact-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: rgba(245, 247, 248, 0.16);
  border-radius: 16px;
  overflow: hidden;
}

.page-faq .faq-contact-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 18px;
  background: rgba(18, 63, 85, 0.34);
}

.page-faq .faq-contact-label {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--copper-100);
}

.page-faq .faq-contact-value {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.01em;
  color: #fff;
  text-decoration: none;
  word-break: break-word;
}

.page-faq a.faq-contact-value:hover,
.page-faq a.faq-contact-value:focus-visible {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-faq .faq-contact-note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245, 247, 248, 0.78);
}

.page-faq .faq-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .faq-contact-actions .btn {
  min-width: 148px;
  justify-content: center;
}

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

  .page-faq .faq-contact-row {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(216px, 262px) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: clamp(96px, 14vh, 128px);
  }

  .page-faq .faq-contact-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(28px, 3.6vw, 56px);
  }
}

@media (min-width: 1120px) {
  .page-faq .faq-hot-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-hot-item {
    min-height: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index-link,
  .page-faq .faq-q::after {
    transition: none;
  }
}