.page-faq {
  --faq-panel: var(--panel-navy);
  --faq-line: var(--navy-line);
  --faq-cyan: var(--pulse-cyan);
  --faq-orange: var(--track-orange);
  --faq-amber: var(--signal-amber);
  --faq-mute: var(--slate-mute);
  --faq-text: var(--paper-white);
  --faq-glow-cyan: rgba(52, 245, 197, .14);
  --faq-glow-orange: rgba(255, 107, 44, .13);
  color: var(--faq-text);
  padding-bottom: 64px;
}

.page-faq .shell {
  padding-inline: 18px;
  max-width: var(--shell);
  margin-inline: auto;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  padding: 18px 0 4px;
  font-family: var(--font-mono);
  font-size: 12px;
}
.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--faq-mute);
}
.page-faq .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--faq-line);
}
.page-faq .breadcrumb__link {
  color: var(--faq-mute);
  text-decoration: none;
}
.page-faq .breadcrumb__link:hover,
.page-faq .breadcrumb__link:focus-visible {
  color: var(--faq-cyan);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  padding: 10px 0 30px;
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -60px -20px auto -20px;
  height: 300px;
  pointer-events: none;
  background:
    radial-gradient(58% 100% at 14% 0%, var(--faq-glow-cyan), transparent 68%),
    radial-gradient(52% 96% at 92% 16%, var(--faq-glow-orange), transparent 70%);
}
.page-faq .faq-hero .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--faq-amber);
}
.page-faq .faq-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: 31px;
  line-height: 1.14;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--faq-text);
  max-width: 20em;
}
.page-faq .faq-hero__lede {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.82;
  color: rgba(247, 250, 255, .82);
}
.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  margin: 24px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--faq-line);
  list-style: none;
}
.page-faq .faq-hero__stats li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.page-faq .faq-hero__stats strong {
  font-family: var(--font-mono);
  font-size: 25px;
  font-weight: 600;
  line-height: 1;
  color: var(--faq-cyan);
  font-variant-numeric: tabular-nums;
}
.page-faq .faq-hero__stats span {
  font-size: 13px;
  color: var(--faq-mute);
}

/* ---------- 主体分栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  margin-top: 22px;
}

/* ---------- 左栏问题目录 ---------- */
.page-faq .faq-rail {
  border: 1px solid var(--faq-line);
  border-radius: var(--r-m);
  background: var(--faq-panel);
  padding: 14px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.page-faq .faq-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--faq-amber);
}
.page-faq .faq-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-rail__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 11px;
  border-left: 2px solid transparent;
  border-radius: 8px;
  color: var(--faq-text);
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}
.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  background: rgba(52, 245, 197, .09);
  border-left-color: var(--faq-cyan);
  color: var(--faq-cyan);
  outline: none;
}
.page-faq .faq-rail__no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--faq-mute);
  font-variant-numeric: tabular-nums;
}
.page-faq .faq-rail__link:hover .faq-rail__no,
.page-faq .faq-rail__link:focus-visible .faq-rail__no {
  color: var(--faq-cyan);
}

/* ---------- 右栏正文 ---------- */
.page-faq .faq-main {
  min-width: 0;
}
.page-faq .faq-section {
  padding: 26px 0 30px;
  border-top: 1px solid var(--faq-line);
  scroll-margin-top: 92px;
}
.page-faq .faq-section__head {
  margin-bottom: 16px;
}
.page-faq .faq-section__no {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--faq-amber);
}
.page-faq .faq-section h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 23px;
  line-height: 1.26;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--faq-text);
}
.page-faq .faq-section__lede {
  margin: 12px 0 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(247, 250, 255, .78);
}
.page-faq .faq-section h3 {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--faq-text);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  margin-top: 10px;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-m);
  background: linear-gradient(180deg, rgba(15, 26, 43, .92), rgba(7, 12, 22, .94));
  transition: border-color 200ms ease, box-shadow 200ms ease;
}
.page-faq .qa[open] {
  border-color: rgba(52, 245, 197, .42);
  box-shadow: 0 0 0 1px rgba(52, 245, 197, .08), var(--shadow-soft);
}
.page-faq .qa__q {
  display: flex;
  align-items: baseline;
  gap: 11px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.58;
  color: var(--faq-text);
  transition: color 180ms ease;
}
.page-faq .qa__q::-webkit-details-marker {
  display: none;
}
.page-faq .qa__q::before {
  content: "Q";
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--faq-orange);
}
.page-faq .qa__q::after {
  content: "＋";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--faq-orange);
}
.page-faq .qa[open] .qa__q::after {
  content: "－";
}
.page-faq .qa__q:hover,
.page-faq .qa__q:focus-visible {
  color: var(--faq-cyan);
  outline: none;
}
.page-faq .qa__a {
  padding: 0 16px 17px;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(247, 250, 255, .8);
}
.page-faq .qa__a p {
  margin: 0 0 10px;
}
.page-faq .qa__a p:last-child {
  margin-bottom: 0;
}
.page-faq .qa__a a {
  color: var(--faq-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 纵向参照：有序步骤 ---------- */
.page-faq .faq-ordered {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: faqstep;
  display: grid;
  gap: 14px;
}
.page-faq .faq-ordered li {
  position: relative;
  padding: 14px 16px 14px 46px;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-m);
  background: rgba(15, 26, 43, .6);
  counter-increment: faqstep;
}
.page-faq .faq-ordered li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 14px;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--faq-cyan);
}
.page-faq .faq-ordered li p {
  margin: 7px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(247, 250, 255, .78);
}

/* ---------- 对照表格 ---------- */
.page-faq .faq-table-wrap {
  margin-top: 20px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--r-m);
}
.page-faq .faq-table {
  width: 100%;
  min-width: 420px;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-m);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.page-faq .faq-table__cap {
  caption-side: top;
  padding: 0 0 10px;
  text-align: left;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--faq-mute);
}
.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 11px 14px;
  text-align: left;
  border-bottom: 1px solid var(--faq-line);
}
.page-faq .faq-table thead th {
  background: var(--faq-panel);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--faq-amber);
}
.page-faq .faq-table tbody th {
  font-weight: 500;
  color: var(--faq-text);
}
.page-faq .faq-table tbody td {
  color: rgba(247, 250, 255, .78);
}
.page-faq .faq-table tbody td:last-child {
  color: var(--faq-cyan);
}
.page-faq .faq-table tbody tr:nth-child(even) th,
.page-faq .faq-table tbody tr:nth-child(even) td {
  background: rgba(30, 44, 66, .3);
}
.page-faq .faq-table tbody tr:last-child th,
.page-faq .faq-table tbody tr:last-child td {
  border-bottom: none;
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 22px 0 0;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-m);
  overflow: hidden;
  background: var(--faq-panel);
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-figure figcaption {
  padding: 11px 15px;
  border-top: 1px solid var(--faq-line);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.65;
  color: var(--faq-mute);
}

/* ---------- 三步自查：奶油纸面块 ---------- */
.page-faq .faq-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: 20px;
}
.page-faq .faq-step {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  border-radius: var(--r-m);
  background: var(--cream);
  color: var(--brown-ink);
}
.page-faq .faq-step__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: rgba(36, 25, 14, .58);
}
.page-faq .faq-step__title {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--brown-ink);
}
.page-faq .faq-step__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(36, 25, 14, .84);
}

/* ---------- 条目列表 ---------- */
.page-faq .faq-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-list li {
  position: relative;
  padding: 9px 0 9px 22px;
  border-bottom: 1px dashed rgba(30, 44, 66, .95);
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(247, 250, 255, .82);
}
.page-faq .faq-list li:last-child {
  border-bottom: none;
}
.page-faq .faq-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 17px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--faq-orange);
}

/* ---------- 客服信息块 ---------- */
.page-faq .faq-contact {
  margin-top: 20px;
  padding: 18px 18px 18px 20px;
  border: 1px solid rgba(255, 107, 44, .3);
  border-left: 3px solid var(--faq-orange);
  border-radius: var(--r-m);
  background: linear-gradient(118deg, rgba(255, 107, 44, .11), rgba(7, 12, 22, .92) 64%);
}
.page-faq .faq-contact__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--faq-amber);
}
.page-faq .faq-contact__line {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  margin: 0 0 8px;
  font-size: 14px;
}
.page-faq .faq-contact__line span {
  min-width: 5em;
  color: var(--faq-mute);
}
.page-faq .faq-contact__line strong {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--faq-text);
  word-break: break-word;
}
.page-faq .faq-contact__note {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: rgba(247, 250, 255, .74);
}
.page-faq .faq-contact a,
.page-faq .faq-outro a {
  color: var(--faq-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .faq-contact a:hover,
.page-faq .faq-outro a:hover,
.page-faq .faq-contact a:focus-visible,
.page-faq .faq-outro a:focus-visible {
  color: var(--faq-orange);
  outline: none;
}

/* ---------- 收束 ---------- */
.page-faq .faq-outro {
  margin-top: 28px;
  padding: 20px 0 0;
  border-top: 1px solid var(--faq-line);
}
.page-faq .faq-outro p {
  margin: 0;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(247, 250, 255, .78);
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-faq .shell {
    padding-inline: 26px;
  }
  .page-faq .faq-hero {
    padding: 18px 0 36px;
  }
  .page-faq .faq-hero h1 {
    font-size: 44px;
    max-width: 18em;
  }
  .page-faq .faq-hero__lede {
    font-size: 16.5px;
  }
  .page-faq .faq-section h2 {
    font-size: 29px;
  }
  .page-faq .qa__q {
    font-size: 15.5px;
    padding: 16px 20px;
  }
  .page-faq .qa__a {
    padding: 0 20px 19px;
    font-size: 15px;
  }
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }
}

/* ---------- 桌面：非对称分栏 ---------- */
@media (min-width: 900px) {
  .page-faq {
    padding-bottom: 88px;
  }
  .page-faq .shell {
    padding-inline: 32px;
  }
  .page-faq .faq-layout {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
    margin-top: 28px;
  }
  .page-faq .faq-rail {
    position: sticky;
    top: 22px;
    overflow: visible;
    padding: 18px 16px;
  }
  .page-faq .faq-rail__list {
    flex-direction: column;
    gap: 2px;
  }
  .page-faq .faq-rail__link {
    white-space: normal;
  }
  .page-faq .faq-section {
    padding: 32px 0 38px;
  }
  .page-faq .faq-section h2 {
    font-size: 33px;
  }
  .page-faq .faq-section__lede {
    font-size: 15.5px;
  }
  .page-faq .faq-figure {
    margin-top: 26px;
  }
  .page-faq .faq-figure img {
    max-height: 420px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero h1 {
    font-size: 54px;
  }
  .page-faq .faq-layout {
    gap: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__q,
  .page-faq .faq-rail__link {
    transition: none;
  }
}