.page-faq {
  --faq-grid: rgba(107, 124, 143, 0.15);
  --faq-rule: rgba(107, 124, 143, 0.42);
  --faq-warm: #E9E4D9;
  --faq-soft-ink: #2C3742;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.65;
}

.page-faq .faq-hero,
.page-faq .faq-hot,
.page-faq .faq-guide,
.page-faq .faq-switch,
.page-faq .faq-ios,
.page-faq .faq-contact {
  position: relative;
}

.page-faq .media-frame {
  display: block;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--faq-rule);
  background: var(--stand);
}

.page-faq .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding: 28px 0 36px;
  border-bottom: 1px solid var(--faq-rule);
  background-image:
    linear-gradient(var(--faq-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--faq-grid) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: -1px -1px;
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 26px;
  align-items: start;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(36px, 8.4vw, 66px);
  line-height: 0.96;
  letter-spacing: -0.02em;
  margin: 10px 0 16px;
  color: var(--city);
}

.page-faq .faq-hero__lead {
  margin: 0;
  font-size: 16px;
  color: var(--faq-soft-ink);
  max-width: 48ch;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 26px 0 0;
  background: var(--faq-rule);
  border: 1px solid var(--faq-rule);
}

.page-faq .faq-hero__stat {
  background: var(--paper);
  padding: 12px 12px 14px;
}

.page-faq .faq-hero__stat dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--concrete);
}

.page-faq .faq-hero__stat dd {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 7vw, 34px);
  line-height: 1;
  color: var(--city);
}

.page-faq .faq-hero__stat dd i {
  font-family: var(--font-body);
  font-style: normal;
  font-size: 12px;
  margin-left: 3px;
  color: var(--concrete);
}

.page-faq .faq-hero__stat:first-child dd {
  color: var(--signal);
}

.page-faq .faq-hero__figure {
  margin: 0;
}

/* ---------- 热门问题 ---------- */

.page-faq .faq-hot {
  padding: 34px 0 30px;
}

.page-faq .faq-hot__note {
  margin: 12px 0 0;
  font-size: 14px;
  color: var(--concrete);
  max-width: 42ch;
}

.page-faq .faq-hot__grid {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-faq .faq-hot__card {
  position: relative;
  padding: 20px 18px 18px;
  background: #FFFFFF;
  border: 1px solid var(--faq-rule);
  border-top: 3px solid var(--city);
  transition: border-color var(--speed) ease-out, background-color var(--speed) ease-out;
}

.page-faq .faq-hot__card:hover,
.page-faq .faq-hot__card:focus-within {
  border-top-color: var(--signal);
  background: #FFFFFF;
}

.page-faq .faq-hot__no {
  position: absolute;
  top: 14px;
  right: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--concrete);
}

.page-faq .faq-hot__card h3 {
  margin: 0 40px 8px 0;
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.1;
  color: var(--city);
}

.page-faq .faq-hot__card p {
  margin: 0 0 14px;
  font-size: 14px;
  color: var(--faq-soft-ink);
}

/* ---------- 案例合集 ---------- */

.page-faq .faq-cases {
  padding: 38px 0 42px;
  background: var(--city);
  color: var(--paper);
  border-top: 3px solid var(--signal);
}

.page-faq .faq-cases .eyebrow {
  color: var(--signal-soft);
}

.page-faq .faq-cases__title {
  color: var(--paper);
  margin-top: 8px;
}

.page-faq .faq-cases__lead {
  margin: 14px 0 0;
  font-size: 15px;
  color: rgba(244, 241, 234, 0.76);
  max-width: 54ch;
}

.page-faq .faq-cases__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.page-faq .faq-cases__chips .chip {
  display: inline-block;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  text-decoration: none;
  color: var(--paper);
  background: transparent;
  border: 1px solid rgba(244, 241, 234, 0.34);
  border-radius: 0;
  transition: background-color var(--speed) ease-out, border-color var(--speed) ease-out, color var(--speed) ease-out;
}

.page-faq .faq-cases__chips .chip:hover,
.page-faq .faq-cases__chips .chip:focus-visible {
  background: var(--mint);
  border-color: var(--mint);
  color: #0B1418;
}

.page-faq .faq-cases__grid {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-faq .case-card {
  padding: 18px 16px 16px;
  background: rgba(244, 241, 234, 0.045);
  border: 1px solid rgba(244, 241, 234, 0.16);
  border-left: 3px solid var(--line);
  transition: border-left-color var(--speed) ease-out, background-color var(--speed) ease-out;
}

.page-faq .case-card:hover {
  border-left-color: var(--mint);
  background: rgba(244, 241, 234, 0.085);
}

.page-faq .case-card__index {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--concrete);
  margin-bottom: 10px;
}

.page-faq .case-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.35;
  color: var(--paper);
}

.page-faq .case-card p {
  margin: 0;
  font-size: 14px;
  color: rgba(244, 241, 234, 0.74);
}

.page-faq .case-card__tag {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mint);
}

.page-faq .faq-cases__figure {
  margin-top: 24px;
  border-color: rgba(244, 241, 234, 0.2);
}

/* ---------- 操作指引 ---------- */

.page-faq .faq-guide {
  padding: 36px 0 32px;
}

.page-faq .faq-guide__inner {
  display: grid;
  gap: 22px;
}

.page-faq .faq-guide__nav {
  border: 1px solid var(--faq-rule);
  background: #FFFFFF;
  padding: 16px;
}

.page-faq .faq-guide__nav-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--signal);
}

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

.page-faq .faq-guide__nav li {
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-guide__nav li:last-child {
  border-bottom: none;
}

.page-faq .faq-guide__nav a {
  display: block;
  padding: 9px 0;
  font-size: 14px;
  color: var(--city);
  text-decoration: none;
  border-left: 3px solid transparent;
  padding-left: 8px;
  transition: border-color var(--speed) ease-out, color var(--speed) ease-out;
}

.page-faq .faq-guide__nav a:hover,
.page-faq .faq-guide__nav a:focus-visible,
.page-faq .faq-guide__nav a[aria-current="true"] {
  border-left-color: var(--signal);
  color: var(--signal);
}

.page-faq .faq-guide__nav-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 13px;
}

.page-faq .faq-guide__intro {
  margin: 12px 0 20px;
  font-size: 15px;
  color: var(--faq-soft-ink);
  max-width: 52ch;
}

.page-faq .faq-q {
  border-bottom: 1px solid var(--faq-rule);
  background: transparent;
}

.page-faq .faq-q summary {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 16px 34px 16px 0;
  list-style: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--city);
  transition: color var(--speed) ease-out;
}

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

.page-faq .faq-q summary:hover,
.page-faq .faq-q summary:focus-visible {
  color: var(--signal);
}

.page-faq .faq-q summary::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--signal);
}

.page-faq .faq-q[open] summary::after {
  content: "\2212";
}

.page-faq .faq-q__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--concrete);
  flex: none;
}

.page-faq .faq-q__body {
  padding: 0 34px 18px 0;
}

.page-faq .faq-q__body p {
  margin: 0;
  font-size: 15px;
  color: var(--faq-soft-ink);
}

.page-faq .faq-guide__side {
  align-self: start;
  padding: 18px 16px;
  background: var(--faq-warm);
  border-left: 3px solid var(--mint);
}

.page-faq .faq-guide__side-hours {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--city);
}

.page-faq .faq-guide__dot,
.page-faq .faq-contact__dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 6px;
  background: var(--mint);
  vertical-align: 1px;
}

.page-faq .faq-guide__side-text {
  margin: 0 0 14px;
  font-size: 14px;
  color: var(--faq-soft-ink);
}

/* ---------- 栏目切换 ---------- */

.page-faq .faq-switch {
  padding: 8px 0 34px;
}

.page-faq .faq-switch__cols {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.page-faq .faq-switch__panel {
  padding: 20px 16px;
  background: #FFFFFF;
  border: 1px solid var(--faq-rule);
}

.page-faq .faq-switch__panel:first-child {
  border-top: 3px solid var(--signal);
}

.page-faq .faq-switch__panel h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.15;
  color: var(--city);
}

.page-faq .faq-switch__panel p {
  margin: 0 0 10px;
  font-size: 14px;
  color: var(--faq-soft-ink);
}

.page-faq .faq-switch__panel p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-switch__steps {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
}

.page-faq .faq-switch__steps li {
  counter-increment: step;
  position: relative;
  padding-left: 30px;
  margin-bottom: 10px;
  font-size: 14px;
  color: var(--faq-soft-ink);
}

.page-faq .faq-switch__steps li:last-child {
  margin-bottom: 0;
}

.page-faq .faq-switch__steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--signal);
}

/* ---------- iOS 版本 ---------- */

.page-faq .faq-ios {
  padding: 34px 0;
  background: var(--faq-warm);
  border-top: 1px solid var(--faq-rule);
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-ios__inner {
  display: grid;
  gap: 22px;
  align-items: start;
}

.page-faq .faq-ios__lead {
  margin: 12px 0 18px;
  font-size: 15px;
  color: var(--faq-soft-ink);
  max-width: 52ch;
}

.page-faq .faq-ios__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-faq .faq-ios__list li {
  padding: 12px 0 12px 14px;
  border-left: 2px solid var(--line);
  border-bottom: 1px solid var(--faq-rule);
  font-size: 14px;
  color: var(--faq-soft-ink);
}

.page-faq .faq-ios__list li:last-child {
  border-bottom: none;
}

.page-faq .faq-ios__list strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--city);
}

.page-faq .faq-ios__badge {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 26px 22px;
  background: var(--city);
  color: var(--paper);
  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-ios__badge-no {
  font-family: var(--font-mono);
  font-size: clamp(34px, 12vw, 52px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--signal-soft);
}

.page-faq .faq-ios__badge p {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: rgba(244, 241, 234, 0.72);
}

/* ---------- 联系客服 ---------- */

.page-faq .faq-contact {
  padding: 38px 0 46px;
}

.page-faq .faq-contact__inner {
  display: grid;
  gap: 16px;
}

.page-faq .faq-contact__card {
  padding: 24px 18px 22px;
  background: var(--city);
  color: var(--paper);
  border-top: 3px solid var(--signal);
}

.page-faq .faq-contact__card .section-title {
  color: var(--paper);
  margin-top: 8px;
}

.page-faq .faq-contact__lead {
  margin: 12px 0 20px;
  font-size: 15px;
  color: rgba(244, 241, 234, 0.76);
  max-width: 48ch;
}

.page-faq .faq-contact__list {
  margin: 0 0 22px;
  padding: 0;
}

.page-faq .faq-contact__list .contact-item {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(244, 241, 234, 0.18);
}

.page-faq .faq-contact__list .contact-item:last-child {
  border-bottom: none;
}

.page-faq .faq-contact__list .contact-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--concrete);
}

.page-faq .faq-contact__list .contact-value {
  margin: 0;
  font-size: 15px;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-contact__side {
  padding: 20px 16px;
  background: #FFFFFF;
  border: 1px solid var(--faq-rule);
  border-left: 3px solid var(--mint);
}

.page-faq .faq-contact__hours {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--city);
}

.page-faq .faq-contact__side-text {
  margin: 0 0 12px;
  font-size: 14px;
  color: var(--faq-soft-ink);
}

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

.page-faq .faq-contact__tips li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--faq-soft-ink);
}

.page-faq .faq-contact__tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--signal);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: 40px 0 46px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: 1.12fr 0.88fr;
    gap: 34px;
    align-items: center;
  }

  .page-faq .faq-hot__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-cases__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-guide__inner {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 26px;
  }

  .page-faq .faq-guide__side {
    grid-column: 1 / -1;
  }

  .page-faq .faq-switch__cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-ios__inner {
    grid-template-columns: minmax(0, 1fr) 240px;
    gap: 28px;
    align-items: center;
  }

  .page-faq .faq-contact__inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-hero {
    padding: 52px 0 56px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
  }

  .page-faq .faq-hot {
    padding: 46px 0 40px;
  }

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

  .page-faq .faq-hot__card:nth-child(even) {
    margin-top: 24px;
  }

  .page-faq .faq-cases {
    padding: 52px 0 56px;
  }

  .page-faq .faq-cases__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-faq .faq-guide {
    padding: 50px 0 44px;
  }

  .page-faq .faq-guide__inner {
    grid-template-columns: 210px minmax(0, 1fr) 260px;
    gap: 34px;
    align-items: start;
  }

  .page-faq .faq-guide__side {
    grid-column: auto;
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-switch {
    padding: 0 0 46px;
  }

  .page-faq .faq-ios {
    padding: 46px 0;
  }

  .page-faq .faq-ios__badge {
    padding: 32px 26px;
  }

  .page-faq .faq-contact {
    padding: 52px 0 60px;
  }

  .page-faq .faq-contact__card {
    padding: 32px 28px 30px;
  }
}
<<<END>>>