.page-faq {
  --faq-a: #FF6B4A;
  --faq-b: #F2B544;
  --faq-c: #00E0B8;
  --faq-d: #0E6E75;
  --faq-muted: #46524F;
  --faq-body-muted: rgba(11, 15, 18, 0.74);
  background: var(--porcelain);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

.page-faq h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 3.4vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.015em;
  margin: 0 0 14px;
}

.page-faq .faq-wrap {
  max-width: var(--maxw);
  margin: 0 auto;
}

.page-faq .faq-narrow {
  max-width: 760px;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--deep);
  color: var(--porcelain);
  padding: clamp(24px, 4vw, 40px) var(--gutter) clamp(48px, 6vw, 82px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -28% -16%;
  z-index: -1;
  background-image:
    repeating-linear-gradient(90deg, rgba(0, 224, 184, 0.16) 0 1px, transparent 1px 92px),
    repeating-linear-gradient(0deg, rgba(0, 224, 184, 0.16) 0 1px, transparent 1px 92px);
  transform: rotate(-6deg);
  opacity: 0.72;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  top: -24%;
  width: 62vw;
  height: 62vw;
  max-width: 560px;
  max-height: 560px;
  z-index: -1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 107, 74, 0.32), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  max-width: var(--maxw);
  margin: 0 auto clamp(22px, 4vw, 52px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-faq .faq-crumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

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

.page-faq .faq-crumb span[aria-current] {
  color: var(--salt);
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  max-width: var(--maxw);
  margin: 0 auto;
  align-items: center;
}

.page-faq .faq-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mint);
}

.page-faq .faq-kicker::before {
  content: "";
  width: 8px;
  height: 8px;
  flex: none;
  background: var(--coral);
  transform: rotate(45deg);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 5.6vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 0 0 22px;
  color: var(--salt);
}

.page-faq .faq-lede {
  margin: 0 0 30px;
  max-width: 56ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.82;
  color: var(--mist);
}

.page-faq .faq-lede strong {
  color: var(--gold);
  font-weight: 600;
}

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

.page-faq .faq-hero-figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-light);
  border-radius: 20px 6px 20px 6px;
  transform: rotate(-2deg);
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.34);
}

.page-faq .faq-hero-figure img {
  display: block;
  width: 100%;
  object-fit: cover;
}

.page-faq .faq-hero-figure figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 8px 14px;
  background: var(--deep);
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

/* ---------- 标签轨道 ---------- */

.page-faq .faq-rail {
  background: var(--porcelain);
  border-bottom: 1px solid var(--line-dark);
}

.page-faq .faq-rail-inner {
  display: grid;
  gap: 12px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px var(--gutter);
}

.page-faq .faq-rail-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal);
}

.page-faq .faq-rail-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-rail-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  white-space: nowrap;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--ink);
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.page-faq .faq-rail-list a:hover {
  background: var(--deep);
  border-color: var(--deep);
  color: var(--salt);
}

.page-faq .dot {
  width: 8px;
  height: 8px;
  flex: none;
  border-radius: 50%;
}

.page-faq .dot-a { background: var(--faq-a); }
.page-faq .dot-b { background: var(--faq-b); }
.page-faq .dot-c { background: var(--faq-c); }
.page-faq .dot-d { background: var(--faq-d); }

.page-faq .faq-rail-more {
  justify-self: start;
  white-space: nowrap;
  padding-bottom: 2px;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--coral-dark);
  border-bottom: 2px solid var(--coral);
}

/* ---------- 通用区块 ---------- */

.page-faq .faq-block {
  padding: clamp(54px, 8vw, 104px) var(--gutter);
}

.page-faq .faq-sec-head {
  max-width: 64ch;
  margin-bottom: clamp(30px, 4vw, 52px);
}

.page-faq .faq-sec-head h2 {
  color: var(--ink);
}

.page-faq .faq-sec-desc {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--faq-muted);
}

/* ---------- 清单 ---------- */

.page-faq .fit-groups {
  display: grid;
  gap: 20px;
}

.page-faq .fit-group {
  position: relative;
  overflow: hidden;
  padding: 24px 20px 10px;
  background: var(--salt);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-card);
  scroll-margin-top: 24px;
}

.page-faq .fit-group::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--grp, var(--coral));
}

.page-faq .fit-group--a { --grp: var(--faq-a); }
.page-faq .fit-group--b { --grp: var(--faq-b); }
.page-faq .fit-group--c { --grp: var(--faq-c); }
.page-faq .fit-group--d { --grp: var(--faq-d); }

.page-faq .fit-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 6px;
}

.page-faq .fit-letter {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  flex: none;
  border-radius: 50%;
  background: var(--grp, var(--coral));
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
}

.page-faq .fit-head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-faq .fit-head a {
  margin-left: auto;
  white-space: nowrap;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--coral-dark);
  border-bottom: 1px solid currentColor;
}

.page-faq .fit-head a:hover {
  color: var(--ink);
}

.page-faq .fit-sub {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--teal);
}

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

.page-faq .fit-item {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 10px;
  margin: 0 -8px;
  padding: 13px 8px;
  border-radius: 10px;
  transition: background-color 0.18s ease;
}

.page-faq .fit-item + .fit-item {
  border-top: 1px solid var(--line-dark);
}

.page-faq .fit-item:hover {
  background: rgba(0, 224, 184, 0.1);
}

.page-faq .fit-no {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--teal);
}

.page-faq .fit-term {
  margin: 0 0 3px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-faq .fit-desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--faq-body-muted);
}

/* ---------- 三步 ---------- */

.page-faq .faq-steps {
  position: relative;
  overflow: hidden;
  background: var(--deep);
  color: var(--porcelain);
  padding: clamp(54px, 8vw, 104px) var(--gutter);
}

.page-faq .faq-steps::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(115deg, rgba(247, 243, 234, 0.06) 0 1px, transparent 1px 42px);
  pointer-events: none;
}

.page-faq .faq-steps > * {
  position: relative;
}

.page-faq .faq-steps .eyebrow {
  color: var(--mint);
}

.page-faq .faq-steps h2 {
  color: var(--salt);
  margin-bottom: 0;
}

.page-faq .step-list {
  display: grid;
  gap: 1px;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--line-light);
  border: 1px solid var(--line-light);
  border-radius: 18px 4px 18px 4px;
  overflow: hidden;
}

.page-faq .step-item {
  background: var(--deep);
  padding: 26px 22px 30px;
}

.page-faq .step-num {
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-faq .step-item h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--salt);
}

.page-faq .step-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-steps-note {
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-steps-note a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

/* ---------- 问答 ---------- */

.page-faq .ask-grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-faq .ask-aside h2 {
  color: var(--ink);
}

.page-faq .ask-figure {
  margin: 28px 0 0;
  overflow: hidden;
  border: 1px solid var(--line-dark);
  border-radius: 20px 6px 20px 6px;
}

.page-faq .ask-figure img {
  display: block;
  width: 100%;
  object-fit: cover;
}

.page-faq .qa-item {
  border-bottom: 1px solid var(--line-dark);
}

.page-faq .qa-item:first-child {
  border-top: 1px solid var(--line-dark);
}

.page-faq .qa-item summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 20px 0;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
  transition: color 0.2s ease;
}

.page-faq .qa-item summary::-webkit-details-marker {
  display: none;
}

.page-faq .qa-item:not([open]) summary:hover {
  color: var(--coral-dark);
}

.page-faq .qa-no {
  flex: none;
  padding-top: 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--coral-dark);
}

.page-faq .qa-q {
  flex: 1;
}

.page-faq .qa-item summary::after {
  content: "+";
  flex: none;
  margin-left: 8px;
  padding-top: 1px;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--teal);
}

.page-faq .qa-item[open] summary {
  color: var(--teal);
}

.page-faq .qa-item[open] summary::after {
  content: "−";
  color: var(--coral);
}

.page-faq .qa-body {
  max-width: 62ch;
  padding: 0 0 22px 30px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-body-muted);
}

.page-faq .qa-body p {
  margin: 0;
}

/* ---------- 反馈 ---------- */

.page-faq .faq-feedback {
  background: var(--gold);
  color: var(--ink);
  padding: clamp(46px, 7vw, 88px) var(--gutter);
}

.page-faq .faq-feedback .eyebrow {
  color: var(--deep);
}

.page-faq .faq-feedback h2 {
  color: var(--ink);
}

.page-faq .feedback-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}

.page-faq .feedback-copy p {
  margin: 0 0 24px;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(11, 15, 18, 0.82);
}

.page-faq .feedback-facts {
  display: grid;
  margin: 0;
  padding: 4px 20px;
  background: rgba(11, 15, 18, 0.07);
  border-radius: 18px 4px 18px 4px;
}

.page-faq .feedback-facts > div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  padding: 14px 0;
}

.page-faq .feedback-facts > div + div {
  border-top: 1px solid rgba(11, 15, 18, 0.14);
}

.page-faq .feedback-facts dt {
  margin: 0;
  font-size: 13px;
  color: rgba(11, 15, 18, 0.68);
}

.page-faq .feedback-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--deep);
  text-align: right;
  word-break: break-word;
}

/* ---------- 维护节奏 ---------- */

.page-faq .cadence-list {
  margin: clamp(28px, 4vw, 40px) 0 0;
  padding: 0 0 0 4px;
  list-style: none;
  border-left: 2px solid var(--line-dark);
}

.page-faq .cadence-item {
  position: relative;
  padding: 0 0 26px 26px;
}

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

.page-faq .cadence-item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--porcelain);
  border: 2px solid var(--coral);
}

.page-faq .cadence-tick {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--coral-dark);
}

.page-faq .cadence-item h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-faq .cadence-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--faq-body-muted);
}

.page-faq .cadence-more {
  display: inline-block;
  margin-top: 30px;
  padding-bottom: 2px;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--coral-dark);
  border-bottom: 2px solid var(--coral);
}

/* ---------- 收尾 ---------- */

.page-faq .faq-close {
  background: var(--deep);
  color: var(--porcelain);
  padding: clamp(38px, 6vw, 72px) var(--gutter);
}

.page-faq .faq-close-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.page-faq .faq-close p {
  margin: 0;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-close-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 平板 ---------- */

@media (min-width: 768px) {
  .page-faq .fit-groups {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .page-faq .step-list {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .feedback-facts {
    padding: 8px 26px;
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: 1.06fr 0.94fr;
  }

  .page-faq .faq-rail-inner {
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 24px;
  }

  .page-faq .feedback-grid {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

@media (min-width: 940px) {
  .page-faq .ask-grid {
    grid-template-columns: 0.82fr 1.18fr;
    align-items: start;
  }

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

@media (min-width: 1100px) {
  .page-faq .faq-hero-figure {
    transform: rotate(-3deg);
  }
}

/* ---------- 降低动效 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-rail-list a,
  .page-faq .fit-item,
  .page-faq .qa-item summary {
    transition: none;
  }

  .page-faq .faq-hero-figure,
  .page-faq .faq-hero::before {
    transform: none;
  }
}
<<<END>>>