.page-faq {
  --faq-line: rgba(16, 32, 43, 0.12);
  --faq-line-soft: rgba(16, 32, 43, 0.07);
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumbs {
  padding-block: 18px 0;
}
.page-faq .crumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(16, 32, 43, 0.58);
}
.page-faq .crumb-list li {
  display: flex;
  align-items: center;
  gap: 8px;
}
.page-faq .crumb-list li + li::before {
  content: "/";
  opacity: 0.45;
}
.page-faq .crumb {
  color: inherit;
  text-decoration: none;
}
.page-faq .crumb:hover,
.page-faq .crumb:focus-visible {
  color: var(--gold);
}
.page-faq .crumb[aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  margin-top: 16px;
  overflow: hidden;
  background: var(--ice);
  border-bottom: 1px solid var(--faq-line);
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    118deg,
    transparent 0 40px,
    rgba(27, 42, 74, 0.055) 40px 41px
  );
  -webkit-mask-image: linear-gradient(90deg, transparent 26%, #000 100%);
  mask-image: linear-gradient(90deg, transparent 26%, #000 100%);
  pointer-events: none;
}
.page-faq .faq-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
  padding-block: 40px 30px;
}
.page-faq .kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--indigo);
}
.page-faq .kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--gold);
  flex: none;
}
.page-faq .faq-hero h1 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 6.6vw, 66px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.page-faq .faq-h1-accent {
  color: var(--terracotta);
}
.page-faq .faq-lede {
  margin: 20px 0 0;
  max-width: 54ch;
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.78;
  color: rgba(16, 32, 43, 0.82);
}
.page-faq .faq-hero-panel {
  position: relative;
  padding: 22px 20px 26px;
  background: var(--indigo);
  color: var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}
.page-faq .faq-hero-panel::after {
  content: "";
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--terracotta));
}
.page-faq .faq-hero-panel-tag {
  display: inline-block;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--indigo);
  background: var(--gold-light);
}
.page-faq .faq-hero-panel-num {
  display: block;
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(46px, 9vw, 68px);
  font-weight: 700;
  line-height: 0.92;
  letter-spacing: -0.03em;
  color: var(--gold-light);
}
.page-faq .faq-hero-panel-text {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: rgba(247, 243, 234, 0.78);
}

/* ---------- 命令栏 ---------- */
.page-faq .faq-command-wrap {
  position: relative;
  z-index: 1;
  padding-bottom: 24px;
}
.page-faq .faq-command {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  padding: 8px;
  background: var(--paper-warm);
  border: 1px solid var(--faq-line);
}
.page-faq .faq-command-label {
  padding: 0 10px 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: rgba(16, 32, 43, 0.5);
}
.page-faq .faq-command-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.page-faq .faq-command-link {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 7px 11px;
  font-size: 13px;
  color: var(--ink);
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-faq .faq-command-link span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gold);
}
.page-faq .faq-command-link:hover,
.page-faq .faq-command-link:focus-visible {
  background: var(--ice);
  border-color: var(--line);
}
.page-faq .faq-command-link--top {
  margin-left: auto;
  border-color: var(--faq-line);
}

/* ---------- 双栏布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 32px;
  padding-block: 36px 72px;
}
.page-faq .faq-index {
  display: none;
}
.page-faq .faq-index-title {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--faq-line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: rgba(16, 32, 43, 0.55);
}
.page-faq .faq-index-list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-index-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--ink);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-faq .faq-index-list a:hover,
.page-faq .faq-index-list a:focus-visible {
  background: var(--ice);
  border-left-color: var(--gold);
}
.page-faq .faq-idx-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gold);
}
.page-faq .faq-index-top {
  display: inline-block;
  margin-top: 18px;
  padding-top: 12px;
  border-top: 1px solid var(--faq-line-soft);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: rgba(16, 32, 43, 0.6);
  text-decoration: none;
}
.page-faq .faq-index-top:hover,
.page-faq .faq-index-top:focus-visible {
  color: var(--terracotta);
}

/* ---------- 分组标题 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 92px;
}
.page-faq .faq-group + .faq-group {
  margin-top: 52px;
}
.page-faq .faq-group-head {
  display: grid;
  gap: 5px;
  padding-top: 15px;
  border-top: 2px solid var(--ink);
  margin-bottom: 12px;
}
.page-faq .faq-group-num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--gold);
}
.page-faq .faq-group-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 3.4vw, 29px);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.page-faq .faq-group-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: rgba(16, 32, 43, 0.62);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 16px 0 18px;
  background: var(--ice-deep);
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}
.page-faq .faq-figure--square {
  max-width: 100%;
}
.page-faq .faq-figure-cap {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  letter-spacing: 0.03em;
  color: rgba(16, 32, 43, 0.58);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-line);
}
.page-faq .faq-item summary {
  position: relative;
  display: block;
  padding: 16px 42px 16px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.62;
  color: var(--ink);
  transition: color 0.2s var(--ease);
}
.page-faq .faq-item summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 400;
  line-height: 1;
  color: var(--gold);
  transition: transform 0.25s var(--ease), color 0.2s var(--ease);
}
.page-faq .faq-item[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
  color: var(--terracotta);
}
.page-faq .faq-item summary:hover,
.page-faq .faq-item summary:focus-visible {
  color: var(--terracotta);
}
.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}
.page-faq .faq-answer {
  padding-bottom: 20px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(16, 32, 43, 0.84);
}
.page-faq .faq-answer p {
  margin: 0 0 10px;
}
.page-faq .faq-answer p:last-child {
  margin-bottom: 0;
}

/* ---------- 步骤与代码 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 10px;
  margin: 12px 0 14px;
  padding: 0;
  list-style: none;
  counter-reset: faqstep;
}
.page-faq .faq-steps li {
  counter-increment: faqstep;
  position: relative;
  padding: 12px 14px 12px 50px;
  background: var(--ice);
  border-left: 3px solid var(--ice-deep);
  font-size: 14.5px;
  line-height: 1.7;
}
.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 14px;
  top: 13px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--terracotta);
}
.page-faq .faq-code {
  display: inline-block;
  padding: 1px 6px;
  font-family: var(--font-mono);
  font-size: 0.9em;
  font-weight: 600;
  color: var(--indigo);
  background: rgba(27, 42, 74, 0.09);
  word-break: break-word;
}

/* ---------- 联络面板 ---------- */
.page-faq .faq-contact-panel {
  position: relative;
  margin-top: 26px;
  padding: 26px 22px 28px;
  background: var(--indigo);
  color: var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}
.page-faq .faq-contact-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 3vw, 24px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--paper);
}
.page-faq .faq-contact-text {
  margin: 10px 0 0;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(247, 243, 234, 0.76);
}
.page-faq .faq-contact-rows {
  display: grid;
  gap: 1px;
  margin-top: 20px;
  background: rgba(247, 243, 234, 0.16);
}
.page-faq .faq-contact-row {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  background: var(--indigo);
}
.page-faq .faq-contact-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--gold-light);
}
.page-faq .faq-contact-value {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}
.page-faq .faq-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
.page-faq .faq-contact-actions .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-faq .faq-contact-actions .btn--primary {
  background: var(--gold);
  color: var(--indigo);
  border-color: var(--gold);
}
.page-faq .faq-contact-actions .btn--primary:hover,
.page-faq .faq-contact-actions .btn--primary:focus-visible {
  background: var(--gold-light);
  border-color: var(--gold-light);
}
.page-faq .faq-contact-actions .btn--ghost {
  background: transparent;
  color: var(--paper);
  border-color: rgba(247, 243, 234, 0.45);
}
.page-faq .faq-contact-actions .btn--ghost:hover,
.page-faq .faq-contact-actions .btn--ghost:focus-visible {
  background: rgba(247, 243, 234, 0.12);
  border-color: var(--gold-light);
}
.page-faq .faq-contact-actions .btn:focus-visible {
  outline: 2px solid var(--gold-light);
  outline-offset: 3px;
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero-inner {
    padding-block: 48px 34px;
  }
  .page-faq .faq-figure--square {
    max-width: 420px;
  }
  .page-faq .faq-contact-row {
    grid-template-columns: 84px minmax(0, 1fr);
    align-items: baseline;
    gap: 12px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero-inner {
    grid-template-columns: minmax(0, 1fr) 250px;
    align-items: end;
    gap: 56px;
    padding-block: 72px 54px;
  }
  .page-faq .faq-command-wrap {
    padding-bottom: 30px;
  }
  .page-faq .faq-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 56px;
    padding-block: 52px 88px;
  }
  .page-faq .faq-index {
    display: block;
    position: sticky;
    top: 92px;
    align-self: start;
  }
  .page-faq .faq-contact-panel {
    padding: 32px 30px 34px;
  }
  .page-faq .faq-group-head {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}
<<<END>>>