.page-faq {
  --faq-hair: rgba(201, 169, 138, 0.85);
  background: var(--sand);
  color: var(--ink);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(20px, 4vw, 34px) clamp(30px, 6vw, 60px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(217, 119, 87, 0.38), rgba(247, 242, 233, 0) 62%),
    radial-gradient(90% 80% at 0% 12%, rgba(28, 110, 106, 0.22), rgba(247, 242, 233, 0) 66%),
    linear-gradient(158deg, var(--sand) 0%, var(--gobi) 100%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.55;
  background-image:
    repeating-linear-gradient(90deg, rgba(38, 32, 28, 0.06) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(0deg, rgba(38, 32, 28, 0.06) 0 1px, transparent 1px 32px);
}

.page-faq .breadcrumb {
  position: relative;
  z-index: 2;
  margin-bottom: clamp(16px, 3vw, 26px);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.page-faq .breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  color: rgba(38, 32, 28, 0.6);
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--huanghe-mid);
}

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

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--dansha);
  text-decoration: underline;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  gap: clamp(22px, 4vw, 40px);
}

.page-faq .section-label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--huanghe-mid);
}

.page-faq .section-label::before {
  content: "";
  display: inline-block;
  width: 22px;
  height: 2px;
  margin-right: 10px;
  vertical-align: middle;
  background: var(--dansha);
}

.page-faq .faq-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 8.2vw, 88px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--huanghe);
  word-break: break-word;
}

.page-faq .faq-hero__title span {
  color: var(--dansha);
}

.page-faq .faq-hero__lede {
  max-width: 34em;
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(38, 32, 28, 0.84);
}

.page-faq .faq-hero__stats {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 26px;
}

.page-faq .faq-hero__stat {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-top: 8px;
  border-top: 2px solid var(--line);
}

.page-faq .faq-hero__stat-num {
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--dansha);
}

.page-faq .faq-hero__stat-label {
  font-size: 12px;
  line-height: 1.5;
  color: rgba(38, 32, 28, 0.66);
}

/* 目录玻璃卡 */
.page-faq .faq-index {
  padding: 16px 16px 18px;
  background: var(--glass);
  border: 1px solid var(--faq-hair);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.page-faq .faq-index__head {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--huanghe-mid);
}

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

.page-faq .faq-index__item + .faq-index__item {
  margin-top: 2px;
}

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  padding: 9px 6px;
  font-size: 14px;
  line-height: 1.45;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px dashed var(--line);
  transition: background 0.18s ease, color 0.18s ease;
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--huanghe-mid);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: rgba(178, 58, 34, 0.09);
  color: var(--dansha);
  outline: none;
}

.page-faq .faq-index__link:hover .faq-index__num,
.page-faq .faq-index__link:focus-visible .faq-index__num {
  color: var(--dansha);
}

/* ---------- 手风琴分组 ---------- */
.page-faq .faq-groups {
  padding-block: clamp(28px, 5vw, 46px) clamp(48px, 8vw, 88px);
}

.page-faq .faq-group {
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-group:last-of-type {
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-group__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .faq-group__num {
  padding-top: 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--dansha);
}

.page-faq .faq-group__title {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 4.4vw, 32px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--huanghe);
  transition: color 0.2s ease;
}

.page-faq .faq-group__lead {
  display: block;
  margin-top: 7px;
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(38, 32, 28, 0.6);
}

.page-faq .faq-group[open] .faq-group__title {
  color: var(--dansha);
}

.page-faq .faq-group__chev {
  position: relative;
  width: 26px;
  height: 26px;
  margin-top: 6px;
  border: 1px solid var(--line);
  background: transparent;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-group__chev::before,
.page-faq .faq-group__chev::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--huanghe);
  transform: translate(-50%, -50%);
}

.page-faq .faq-group__chev::before {
  width: 12px;
  height: 1.5px;
}

.page-faq .faq-group__chev::after {
  width: 1.5px;
  height: 12px;
  transition: opacity 0.2s ease;
}

.page-faq .faq-group[open] .faq-group__chev {
  background: var(--huanghe);
  border-color: var(--huanghe);
}

.page-faq .faq-group[open] .faq-group__chev::before,
.page-faq .faq-group[open] .faq-group__chev::after {
  background: var(--night);
}

.page-faq .faq-group[open] .faq-group__chev::after {
  opacity: 0;
}

.page-faq .faq-group__body {
  position: relative;
  margin: 0 0 24px;
  padding: 4px 0 8px 18px;
  border-left: 1px solid var(--line);
  background-image: repeating-linear-gradient(0deg, var(--line) 0 1px, transparent 1px 24px);
  background-size: 7px 100%;
  background-repeat: no-repeat;
  background-position: left top;
}

/* ---------- 步骤 ---------- */
.page-faq .faq-cols {
  display: grid;
  gap: 22px;
}

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

.page-faq .faq-step {
  position: relative;
  padding: 0 0 18px 42px;
  outline: none;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 27px;
  bottom: 0;
  border-left: 1px dashed var(--line);
}

.page-faq .faq-step:last-child {
  padding-bottom: 4px;
}

.page-faq .faq-step:last-child::before {
  display: none;
}

.page-faq .faq-step__num {
  position: absolute;
  left: 0;
  top: 0;
  width: 27px;
  height: 27px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--sand);
  background: var(--huanghe);
  transition: background 0.18s ease;
}

.page-faq .faq-step__text {
  display: block;
  padding-top: 2px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink);
}

.page-faq .faq-step:hover .faq-step__num,
.page-faq .faq-step:focus-visible .faq-step__num {
  background: var(--dansha);
}

.page-faq .faq-step:focus-visible .faq-step__text {
  color: var(--dansha);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 0;
  padding: 10px;
  background: #ffffff;
  border: 1px solid var(--line);
}

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

.page-faq .faq-figure figcaption {
  margin-top: 9px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: rgba(38, 32, 28, 0.58);
}

/* ---------- 说明块 ---------- */
.page-faq .faq-note {
  margin: 18px 0 0;
  padding: 13px 15px;
  background: var(--gobi);
  border-left: 3px solid var(--dansha);
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--ink);
}

.page-faq .faq-note--teal {
  background: rgba(28, 110, 106, 0.1);
  border-left-color: var(--huanghe-mid);
}

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

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

/* ---------- 节奏小表 ---------- */
.page-faq .faq-table {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-table__row {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  background: var(--sand);
}

.page-faq .faq-table__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--huanghe-mid);
}

.page-faq .faq-table__val {
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink);
}

/* ---------- 邮箱块 ---------- */
.page-faq .faq-mail {
  margin: 18px 0 0;
  padding: 15px 16px;
  background: var(--huanghe);
  color: var(--sand);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.9;
  word-break: break-word;
}

.page-faq .faq-mail strong {
  color: var(--night);
  font-weight: 700;
  letter-spacing: 0.06em;
}

/* ---------- 下一步 ---------- */
.page-faq .faq-next {
  margin-top: clamp(30px, 5vw, 52px);
  padding: 22px clamp(16px, 3vw, 28px);
  display: grid;
  gap: 14px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(231, 211, 179, 0.75), rgba(247, 242, 233, 1));
}

.page-faq .faq-next__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 3.4vw, 24px);
  letter-spacing: -0.01em;
  color: var(--huanghe);
}

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

/* ---------- 返回顶部 ---------- */
.page-faq .faq-totop {
  position: fixed;
  right: 12px;
  bottom: 14px;
  z-index: 40;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 9px 8px;
  color: var(--sand);
  background: var(--glass-dark);
  border: 1px solid rgba(198, 242, 78, 0.55);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
}

.page-faq .faq-totop span {
  writing-mode: vertical-rl;
}

.page-faq .faq-totop:hover,
.page-faq .faq-totop:focus-visible {
  background: var(--huanghe);
  border-color: var(--night);
  outline: none;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-table__row {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }

  .page-faq .faq-totop {
    right: 20px;
    bottom: 22px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: clamp(28px, 5vw, 56px);
  }

  .page-faq .faq-index {
    margin-bottom: 6px;
  }

  .page-faq .faq-group__summary {
    gap: 20px;
    padding: 24px 0;
  }

  .page-faq .faq-group__body {
    margin-left: 42px;
    padding-left: 30px;
  }

  .page-faq .faq-cols {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    gap: 34px;
    align-items: start;
  }

  .page-faq .faq-cols--flip {
    grid-template-columns: minmax(0, 0.62fr) minmax(0, 1fr);
  }

  .page-faq .faq-next {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .faq-group__title,
  .page-faq .faq-step__num,
  .page-faq .faq-group__chev,
  .page-faq .faq-group__chev::after {
    transition: none;
  }
}