.page-faq {
  --faq-gap: clamp(18px, 3vw, 34px);
  --faq-cut: 12px;
  background: var(--bg-deep);
  color: var(--white);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(26px, 5vw, 64px));
  padding-bottom: clamp(32px, 5vw, 64px);
  isolation: isolate;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(56% 52% at 82% 16%, rgba(255, 122, 41, 0.17), transparent 72%),
    radial-gradient(58% 60% at 8% 82%, rgba(26, 106, 135, 0.4), transparent 74%),
    linear-gradient(180deg, rgba(5, 32, 45, 0.15), var(--bg-deep) 88%);
}

.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  align-items: center;
}

.page-faq .faq-hero-copy .crumb {
  margin-bottom: 18px;
}

.page-faq .faq-hero-copy .eyebrow {
  color: var(--orange);
}

.page-faq .faq-hero-copy .h1,
.page-faq .faq-hero-copy h1 {
  margin: 10px 0 16px;
  font-size: clamp(30px, 5.2vw, 54px);
  line-height: 1.16;
  letter-spacing: -0.01em;
}

.page-faq .faq-hero-copy .lede {
  max-width: 62ch;
  color: var(--silver);
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.78;
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero-note {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--silver-dim);
  font-size: 14px;
}

.page-faq .faq-hero-note .num {
  color: var(--orange-soft);
}

.page-faq .faq-hero-visual {
  position: relative;
  width: 100%;
  max-width: 360px;
  margin-inline: auto;
}

.page-faq .faq-hero-visual .media-frame {
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-faq .faq-hero-badge {
  position: absolute;
  left: 14px;
  bottom: 20px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--bg-deep);
  background: var(--orange);
  padding: 6px 12px;
  clip-path: polygon(0 0, 100% 0, 100% 68%, 82% 100%, 0 100%);
}

/* ---------- 三步上手 ---------- */
.page-faq .faq-panel {
  background: var(--bg-panel);
}

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

.page-faq .faq-steps-section,
.page-faq .faq-group,
.page-faq .faq-tail-panel {
  scroll-margin-top: calc(var(--header-h) + 18px);
}

.page-faq .faq-steps {
  list-style: none;
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-step {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(22px, 3vw, 32px);
  background: var(--bg-float);
  border-top: 2px solid var(--step-accent, var(--orange));
  transition: background 0.2s ease;
}

.page-faq .faq-step:nth-child(1) { --step-accent: var(--orange); }
.page-faq .faq-step:nth-child(2) { --step-accent: var(--teal); }
.page-faq .faq-step:nth-child(3) { --step-accent: var(--green); }

.page-faq .faq-step:hover {
  background: #14495F;
}

.page-faq .faq-step-icon {
  display: inline-flex;
  color: var(--step-accent, var(--orange));
}

.page-faq .faq-step-num {
  position: absolute;
  top: 16px;
  right: 18px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 34px;
  line-height: 1;
  color: var(--step-accent, var(--orange));
  opacity: 0.26;
}

.page-faq .faq-step-title {
  margin: 0;
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.35;
}

.page-faq .faq-step-text {
  margin: 0;
  flex: 1 1 auto;
  color: var(--silver);
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-step .btn-line {
  align-self: flex-start;
  margin-top: 4px;
  font-size: 14px;
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  padding-top: clamp(28px, 4vw, 52px);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
}

.page-faq .faq-toc {
  display: flex;
  flex-direction: row;
  gap: 6px;
  padding: 10px 12px;
  overflow-x: auto;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-left: 2px solid var(--orange);
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-toc-label {
  display: none;
  margin: 0 0 10px;
  color: var(--silver-dim);
  letter-spacing: 0.12em;
}

.page-faq .faq-toc-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  padding: 9px 12px;
  color: var(--silver);
  font-size: 14px;
  line-height: 1.2;
  white-space: nowrap;
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-faq .faq-toc-link::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex: none;
  background: var(--silver-dim);
  transition: background 0.18s ease;
}

.page-faq .faq-toc-link:hover,
.page-faq .faq-toc-link:focus-visible {
  color: var(--white);
  background: rgba(255, 122, 41, 0.08);
  border-left-color: var(--orange);
}

.page-faq .faq-toc-link:hover::before,
.page-faq .faq-toc-link:focus-visible::before {
  background: var(--orange);
}

.page-faq .faq-toc-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--orange-soft);
}

.page-faq .faq-groups {
  min-width: 0;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(30px, 4.5vw, 54px);
}

.page-faq .faq-group-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding-bottom: 16px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group-num {
  flex: none;
  min-width: 50px;
  padding: 9px 11px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 24px;
  line-height: 1;
  text-align: center;
  color: var(--bg-deep);
  background: var(--group-accent, var(--orange));
  clip-path: polygon(0 0, 100% 0, 100% 70%, 70% 100%, 0 100%);
}

.page-faq #watchlist { --group-accent: var(--orange); }
.page-faq #version { --group-accent: var(--teal); }
.page-faq #history { --group-accent: var(--green); }
.page-faq #contact-prep { --group-accent: var(--amber); }

.page-faq .faq-group-headtext {
  min-width: 0;
}

.page-faq .faq-group-title {
  margin: 2px 0 6px;
  font-size: clamp(19px, 2.6vw, 26px);
  line-height: 1.3;
}

.page-faq .faq-group-sub {
  margin: 0;
  color: var(--silver-dim);
  font-size: 14px;
  line-height: 1.6;
}

/* ---------- 问答块 ---------- */
.page-faq .faq-items {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-left: 2px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-item:hover {
  border-color: rgba(255, 122, 41, 0.4);
  border-left-color: var(--orange);
}

.page-faq .faq-item[open] {
  background: var(--bg-float);
  border-left-color: var(--orange);
}

.page-faq .faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px clamp(16px, 2.4vw, 22px);
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 1.65vw, 17px);
  font-weight: 600;
  line-height: 1.55;
  color: var(--white);
}

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

.page-faq .faq-q-text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-q-icon {
  position: relative;
  flex: none;
  width: 22px;
  height: 22px;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% 72%, 72% 100%, 0 100%);
}

.page-faq .faq-q-icon::before,
.page-faq .faq-q-icon::after {
  content: "";
  position: absolute;
  background: var(--orange-soft);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.page-faq .faq-q-icon::before {
  left: 5px;
  right: 5px;
  top: 50%;
  height: 1.5px;
  margin-top: -0.75px;
}

.page-faq .faq-q-icon::after {
  top: 5px;
  bottom: 5px;
  left: 50%;
  width: 1.5px;
  margin-left: -0.75px;
}

.page-faq .faq-item[open] .faq-q-icon::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-a {
  padding: 0 clamp(16px, 2.4vw, 22px) 20px;
  color: var(--silver);
  font-size: 15.5px;
  line-height: 1.8;
}

.page-faq .faq-a p {
  margin: 0;
  max-width: 68ch;
}

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

.page-faq .faq-a strong {
  color: var(--white);
  font-family: var(--font-mono);
  font-weight: 700;
}

.page-faq .faq-a a {
  color: var(--orange-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 178, 122, 0.45);
}

.page-faq .faq-a a:hover {
  border-bottom-color: var(--orange);
}

/* ---------- 联系客服准备 ---------- */
.page-faq .faq-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .faq-contact-lead {
  margin: 0 0 22px;
  color: var(--silver);
  font-size: 16px;
  line-height: 1.8;
  max-width: 62ch;
}

.page-faq .faq-contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-faq .faq-contact-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  background: var(--bg-float);
  border-left: 2px solid var(--amber);
}

.page-faq .faq-contact-item .contact-label {
  color: var(--silver-dim);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.page-faq .faq-contact-item .contact-line {
  color: var(--white);
  font-size: 16px;
  word-break: break-all;
}

.page-faq .faq-contact-item .contact-line.num {
  font-size: 19px;
  color: var(--orange-soft);
}

.page-faq .faq-contact-tips {
  margin-top: 22px;
  padding: 18px 20px;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-top: 2px solid var(--green);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-faq .faq-contact-tips .eyebrow {
  color: var(--green);
  margin: 0 0 12px;
}

.page-faq .faq-contact-tips ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-faq .faq-contact-tips li {
  position: relative;
  padding-left: 18px;
  color: var(--silver);
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .faq-contact-tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  background: var(--green);
  clip-path: polygon(0 0, 100% 0, 100% 62%, 62% 100%, 0 100%);
}

.page-faq .faq-contact-note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--amber);
  color: var(--silver-dim);
  font-size: 14px;
  line-height: 1.7;
}

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

.page-faq .faq-contact-media .media-frame {
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-faq .faq-contact-media .media-frame-caption {
  margin-top: 12px;
  color: var(--silver-dim);
  font-size: 13.5px;
  line-height: 1.65;
}

/* ---------- 结尾面板 ---------- */
.page-faq .faq-tail {
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-faq .faq-tail-panel {
  position: relative;
  background: linear-gradient(140deg, var(--bg-float) 0%, var(--bg-panel) 62%);
  border-left: 2px solid var(--orange);
}

.page-faq .faq-tail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 820px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    gap: clamp(30px, 5vw, 68px);
  }

  .page-faq .faq-hero-visual {
    max-width: 420px;
    margin-inline: 0;
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(180px, 216px) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--header-h) + 22px);
    flex-direction: column;
    gap: 2px;
    padding: 16px 14px;
    overflow-x: visible;
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  }

  .page-faq .faq-toc-label {
    display: block;
    font-size: 12px;
  }

  .page-faq .faq-toc-link {
    display: flex;
    width: 100%;
    padding: 9px 10px;
    font-size: 15px;
  }
}
<<<END>>>