.page-faq {
  --faq-gap: clamp(20px, 3vw, 36px);
  --faq-block-gap: clamp(48px, 7vw, 96px);
  --faq-radius: var(--radius);
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 5vw, 56px) 0 clamp(28px, 5vw, 56px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 95% at 82% -10%, rgba(45, 127, 249, 0.26), transparent 62%),
    radial-gradient(85% 70% at 4% 6%, rgba(0, 201, 167, 0.16), transparent 58%),
    linear-gradient(180deg, var(--ink-0) 0%, var(--ink-1) 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(30, 58, 95, 0.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(30, 58, 95, 0.55) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 76%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 76%);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__title {
  margin: clamp(14px, 2vw, 22px) 0 0;
  max-width: 18ch;
}

.page-faq .faq-hero__lede {
  margin-top: clamp(16px, 2vw, 24px);
  max-width: 62ch;
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(16px, 4vw, 48px);
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 14px;
  border-left: 3px solid var(--orange);
}

.page-faq .faq-stat:nth-child(2) {
  border-left-color: var(--teal);
}

.page-faq .faq-stat:nth-child(3) {
  border-left-color: var(--blue);
}

.page-faq .faq-stat__num {
  font-size: clamp(24px, 3.4vw, 36px);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text);
  line-height: 1;
}

.page-faq .faq-stat__txt {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.page-faq .faq-hero__media {
  position: relative;
  margin: clamp(28px, 5vw, 48px) 0 0;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
  border: 2px solid var(--line);
  border-radius: var(--faq-radius);
  box-shadow: var(--shadow-hard);
  background: var(--ink-2);
}

.page-faq .faq-cap {
  position: absolute;
  left: 14px;
  bottom: 14px;
  display: flex;
  gap: 8px;
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-shell {
  display: grid;
  gap: var(--faq-gap);
  padding-block: clamp(32px, 5vw, 72px);
}

.page-faq .faq-rail {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.page-faq .faq-rail__title {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  font-family: var(--font-mono);
}

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

.page-faq .faq-rail__toc .toc__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-rail__toc .toc__item {
  flex: 0 0 auto;
}

.page-faq .faq-rail__toc .toc__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 2px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--ink-2);
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-rail__toc .toc__link:hover,
.page-faq .faq-rail__toc .toc__link:focus-visible {
  color: var(--text);
  border-color: var(--blue);
}

.page-faq .faq-rail__toc .toc__link[data-active] {
  color: var(--text);
  border-color: var(--orange);
  background: linear-gradient(90deg, rgba(255, 107, 53, 0.18), rgba(19, 42, 74, 0.9));
}

.page-faq .faq-rail__no {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-faq .faq-rail__toc .toc__link[data-active] .faq-rail__no {
  color: var(--teal);
}

.page-faq .faq-rail__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--faint);
}

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

/* ---------- 区块头 ---------- */
.page-faq .faq-block + .faq-block {
  margin-top: var(--faq-block-gap);
}

.page-faq .faq-block__head {
  max-width: 68ch;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .faq-block__intro {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 标签云 ---------- */
.page-faq .faq-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-cloud__tag {
  display: inline-flex;
  align-items: center;
  padding: 9px 15px;
  font-size: 14px;
  text-decoration: none;
  transition: transform 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .faq-cloud__tag:hover,
.page-faq .faq-cloud__tag:focus-visible {
  transform: translateY(-2px);
  border-color: var(--text);
}

/* ---------- 分步指引 ---------- */
.page-faq .faq-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: clamp(18px, 2.5vw, 26px) 0;
  border-top: 2px solid var(--line);
}

.page-faq .faq-step:last-child {
  border-bottom: 2px solid var(--line);
}

.page-faq .faq-step__idx {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: transparent;
  -webkit-text-stroke: 1.4px var(--teal);
  line-height: 1;
}

.page-faq .faq-step__title {
  margin: 0;
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
  color: var(--text);
}

.page-faq .faq-step__body p {
  margin: 10px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.page-faq .faq-meta .tag {
  font-size: 12px;
  padding: 4px 10px;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-qa {
  margin-top: clamp(22px, 3vw, 32px);
}

.page-faq .faq-q {
  border: 2px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--ink-2);
  margin-bottom: 10px;
  overflow: hidden;
}

.page-faq .faq-q > summary {
  position: relative;
  padding: 16px 52px 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--text);
}

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

.page-faq .faq-q > summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--teal);
}

.page-faq .faq-q[open] > summary::after {
  content: "–";
  color: var(--orange);
}

.page-faq .faq-q[open] > summary {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-a {
  padding: 16px 18px 20px;
}

.page-faq .faq-a p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--muted);
}

/* ---------- 老用户对比 ---------- */
.page-faq .faq-compare {
  display: grid;
  gap: 14px;
  margin-bottom: clamp(24px, 3vw, 36px);
}

.page-faq .faq-compare__col {
  padding: 20px;
  border: 2px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--ink-2);
}

.page-faq .faq-compare__col--new {
  border-color: var(--orange);
  background: linear-gradient(140deg, rgba(255, 107, 53, 0.14), rgba(19, 42, 74, 0.95));
}

.page-faq .faq-compare__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--faint);
}

.page-faq .faq-compare__text {
  margin: 10px 0 0;
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.6;
}

.page-faq .faq-compare__note {
  margin: 8px 0 0;
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 时间线 ---------- */
.page-faq .faq-timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 0;
  list-style: none;
}

.page-faq .faq-tl {
  position: relative;
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  column-gap: 16px;
  padding-bottom: clamp(22px, 3vw, 34px);
}

.page-faq .faq-tl::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 14px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--orange), var(--line));
}

.page-faq .faq-tl:last-child {
  padding-bottom: 0;
}

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

.page-faq .faq-tl__dot {
  grid-column: 1;
  width: 14px;
  height: 14px;
  margin: 5px 0 0 4px;
  border-radius: 50%;
  background: var(--ink-1);
  border: 3px solid var(--orange);
}

.page-faq .faq-tl__body {
  grid-column: 2;
  min-width: 0;
}

.page-faq .faq-tl__batch {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--teal);
}

.page-faq .faq-tl__title {
  margin: 8px 0 0;
  font-size: clamp(17px, 2.1vw, 21px);
  font-weight: 700;
  color: var(--text);
}

.page-faq .faq-tl__body > p:not(.faq-tl__batch):not(.faq-meta) {
  margin: 10px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 企业检查项 ---------- */
.page-faq .faq-checks {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .faq-check {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
}

.page-faq .faq-check__no {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--blue);
}

.page-faq .faq-check__title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.page-faq .faq-check p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-check .tag {
  align-self: flex-start;
  margin-top: auto;
  font-size: 12px;
  padding: 4px 10px;
}

.page-faq .faq-enterprise__media {
  position: relative;
  margin: clamp(24px, 4vw, 40px) 0 0;
}

.page-faq .faq-enterprise__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 2px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--ink-2);
}

/* ---------- 反馈闭环 ---------- */
.page-faq .faq-loop {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-loop__step {
  padding: 20px 18px 22px;
  border-top: 3px solid var(--orange);
  background: linear-gradient(180deg, rgba(255, 107, 53, 0.1), rgba(19, 42, 74, 0.85));
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

.page-faq .faq-loop__step:nth-child(2) {
  border-top-color: var(--teal);
  background: linear-gradient(180deg, rgba(0, 201, 167, 0.1), rgba(19, 42, 74, 0.85));
}

.page-faq .faq-loop__step:nth-child(3) {
  border-top-color: var(--blue);
  background: linear-gradient(180deg, rgba(45, 127, 249, 0.12), rgba(19, 42, 74, 0.85));
}

.page-faq .faq-loop__step:nth-child(4) {
  border-top-color: var(--amber);
  background: linear-gradient(180deg, rgba(255, 176, 32, 0.1), rgba(19, 42, 74, 0.85));
}

.page-faq .faq-loop__no {
  display: block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--faint);
}

.page-faq .faq-loop__title {
  margin: 10px 0 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}

.page-faq .faq-loop__step p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-copy {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: clamp(24px, 3vw, 36px);
  padding: clamp(20px, 3vw, 28px);
  border: 2px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--ink-2);
}

.page-faq .faq-copy__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--teal);
}

.page-faq .faq-copy__text p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-copy__value {
  font-size: 16px;
  color: var(--text);
  word-break: break-all;
}

.page-faq .faq-copy .copy-btn {
  align-self: flex-start;
}

/* ---------- 后续入口 ---------- */
.page-faq .faq-next {
  margin-top: var(--faq-block-gap);
}

.page-faq .faq-next__title {
  margin-bottom: clamp(16px, 2.4vw, 24px);
}

.page-faq .faq-next__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-faq .faq-next__item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  border: 2px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--ink-2);
  color: var(--text);
  text-decoration: none;
  transition: transform 0.18s var(--ease), border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-faq .faq-next__item:hover,
.page-faq .faq-next__item:focus-visible {
  transform: translate(-3px, -3px);
  border-color: var(--orange);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-next__label {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--blue);
}

.page-faq .faq-next__item strong {
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.65;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-checks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-loop {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-next__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-step {
    grid-template-columns: 72px minmax(0, 1fr);
    column-gap: 20px;
  }

  .page-faq .faq-step__idx {
    font-size: 30px;
  }

  .page-faq .faq-copy {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-shell {
    grid-template-columns: 230px minmax(0, 1fr);
    column-gap: clamp(32px, 4vw, 64px);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 28px;
  }

  .page-faq .faq-rail__toc .toc__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-rail__toc .toc__item {
    flex: 0 0 auto;
  }

  .page-faq .faq-rail__toc .toc__link {
    white-space: normal;
  }

  .page-faq .faq-checks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-loop {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-hero__title {
    max-width: 20ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-cloud__tag,
  .page-faq .faq-next__item,
  .page-faq .faq-rail__toc .toc__link {
    transition: none;
  }

  .page-faq .faq-cloud__tag:hover,
  .page-faq .faq-next__item:hover {
    transform: none;
  }
}
<<<END>>>