.page-faq {
  --faq-gap: clamp(52px, 7vw, 96px);
  --faq-panel-pad: clamp(18px, 3vw, 30px);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
}

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

.page-faq a:focus-visible,
.page-faq button:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

/* ---------- 顶部区 ---------- */
.page-faq .faq-top {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-top: 16px;
  background: var(--paper);
}

.page-faq .faq-top::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -34%;
  right: -18%;
  width: min(680px, 72%);
  height: 172%;
  background: var(--paper-2);
  transform: rotate(9deg);
}

.page-faq .faq-top::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: -70px;
  bottom: -80px;
  width: 170px;
  height: 170px;
  border: 2px solid var(--paper-line);
  transform: rotate(14deg);
}

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

.page-faq .faq-hero {
  display: grid;
  gap: 30px;
  padding: clamp(18px, 3vw, 30px) 0 clamp(34px, 5vw, 50px);
}

.page-faq .faq-h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 5.2vw, 50px);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 12px 0 16px;
  max-width: 22ch;
}

.page-faq .faq-lede {
  max-width: 46ch;
  margin: 0;
  font-family: var(--font-body);
  font-style: normal;
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink);
}

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

/* 速览面板 */
.page-faq .faq-index {
  position: relative;
  background: var(--charcoal);
  color: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-card);
  padding: 24px 22px 20px;
}

.page-faq .faq-index::before {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  width: 74px;
  height: 6px;
  background: var(--orange);
}

.page-faq .faq-index__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--lemon);
}

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

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 0;
  color: var(--paper);
  text-decoration: none;
  font-size: 16px;
  border-bottom: 1px solid rgba(255, 247, 236, 0.2);
  transition: color 140ms var(--ease), padding-left 140ms var(--ease);
}

.page-faq .faq-index__list li:first-child a {
  border-top: 1px solid rgba(255, 247, 236, 0.2);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--lemon);
  padding-left: 6px;
}

.page-faq .faq-index__num {
  font-size: 13px;
  color: var(--orange);
  letter-spacing: 0.06em;
}

.page-faq .faq-index__foot {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 247, 236, 0.72);
}

/* ---------- 分组票据标签 ---------- */
.page-faq .faq-tabs {
  position: relative;
  border-top: 2px solid var(--ink);
  padding-top: 14px;
}

.page-faq .faq-tabs__list {
  display: flex;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 2px 2px 12px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-tab {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
  padding: 9px 15px;
  border: 2px solid var(--ink);
  background: var(--lemon);
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  scroll-snap-align: start;
  transition: background 140ms var(--ease), color 140ms var(--ease), transform 140ms var(--ease);
}

.page-faq .faq-tab__k {
  font-size: 12px;
  color: var(--brick);
}

.page-faq .faq-tab:hover,
.page-faq .faq-tab:focus-visible {
  background: var(--charcoal);
  color: var(--paper);
  border-color: var(--charcoal);
  transform: translateY(-2px);
}

.page-faq .faq-tab:hover .faq-tab__k,
.page-faq .faq-tab:focus-visible .faq-tab__k {
  color: var(--lemon);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  padding: var(--faq-gap) 0;
  border-top: 2px solid var(--paper-line);
}

.page-faq .faq-group:first-of-type {
  border-top: 0;
}

.page-faq .faq-group__head {
  max-width: 62ch;
}

.page-faq .faq-group__title {
  font-family: var(--font-display);
  font-size: clamp(23px, 3.6vw, 34px);
  line-height: 1.28;
  font-weight: 700;
  margin: 10px 0 12px;
}

.page-faq .faq-group__intro {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}

/* 深色数据组 */
.page-faq .faq-group--ink {
  background: var(--charcoal);
  color: var(--paper);
  border-top: 0;
  border-bottom: 0;
  background-image: linear-gradient(rgba(255, 247, 236, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 247, 236, 0.05) 1px, transparent 1px);
  background-size: 34px 34px;
}

.page-faq .faq-group--ink .faq-group__intro {
  color: rgba(255, 247, 236, 0.82);
}

.page-faq .eyebrow--onink {
  color: var(--lemon);
}

.page-faq .faq-group--ink a {
  color: var(--lemon);
}

/* ---------- 四步排查 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-faq .faq-steps__item {
  padding-left: 16px;
  border-left: 2px solid var(--paper-line);
}

.page-faq .faq-steps__item:first-child {
  border-left-color: var(--orange);
}

.page-faq .faq-steps__num {
  display: inline-block;
  font-size: 13px;
  color: var(--brick);
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.page-faq .faq-steps__item h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
}

.page-faq .faq-steps__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 32px 0 0;
}

.page-faq .faq-figure .media-frame {
  border: 2px solid var(--ink);
  background: var(--paper-2);
}

.page-faq .faq-figure__cap {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
  max-width: 52ch;
}

/* ---------- 问答手风琴 ---------- */
.page-faq .faq-qa {
  margin-top: 34px;
}

.page-faq .disclosure {
  border-top: 2px solid var(--paper-line);
}

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

.page-faq .disclosure__heading {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
  font-family: inherit;
  line-height: inherit;
}

.page-faq .disclosure__button {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 17px 14px 17px 13px;
  background: transparent;
  border: 0;
  border-left: 5px solid transparent;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
  transition: background 160ms var(--ease), border-color 160ms var(--ease);
}

.page-faq .disclosure__button:hover {
  background: var(--paper-2);
}

.page-faq .disclosure__button[aria-expanded="true"] {
  background: var(--paper-2);
  border-left-color: var(--orange);
}

.page-faq .disclosure__icon {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
}

.page-faq .disclosure__icon::before,
.page-faq .disclosure__icon::after {
  content: "";
  position: absolute;
  background: var(--brick);
}

.page-faq .disclosure__icon::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}

.page-faq .disclosure__icon::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
  transition: transform 200ms var(--ease);
}

.page-faq .disclosure__button[aria-expanded="true"] .disclosure__icon::after {
  transform: scaleY(0);
}

.page-faq .disclosure__panel {
  padding: 4px 18px 22px 18px;
}

.page-faq .disclosure__panel p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink);
}

.page-faq .disclosure__panel a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 深色区手风琴反色 */
.page-faq .faq-qa--ink .disclosure {
  border-top-color: rgba(255, 247, 236, 0.22);
}

.page-faq .faq-qa--ink .disclosure:last-child {
  border-bottom-color: rgba(255, 247, 236, 0.22);
}

.page-faq .faq-qa--ink .disclosure__button {
  color: var(--paper);
}

.page-faq .faq-qa--ink .disclosure__button:hover {
  background: rgba(255, 247, 236, 0.07);
}

.page-faq .faq-qa--ink .disclosure__button[aria-expanded="true"] {
  background: rgba(255, 247, 236, 0.09);
  border-left-color: var(--orange);
}

.page-faq .faq-qa--ink .disclosure__icon::before,
.page-faq .faq-qa--ink .disclosure__icon::after {
  background: var(--orange);
}

.page-faq .faq-qa--ink .disclosure__panel p {
  color: rgba(255, 247, 236, 0.88);
}

/* ---------- 联系区 ---------- */
.page-faq .faq-group--contact {
  background: var(--paper-2);
  border-top: 2px solid var(--ink);
}

.page-faq .faq-contact {
  display: grid;
  gap: 26px;
  margin-top: 30px;
}

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

.page-faq .faq-channel {
  background: var(--paper);
  border: 2px solid var(--ink);
  padding: 16px 18px;
  transition: transform 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-faq .faq-channel:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.page-faq .faq-channel__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--brick);
}

.page-faq .faq-channel__value {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  word-break: break-word;
}

.page-faq .faq-channel__value a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-channel__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-side {
  display: grid;
  gap: 24px;
}

.page-faq .faq-prep {
  background: var(--lemon);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-hard);
  padding: 18px 18px 16px;
  transform: rotate(-0.8deg);
}

.page-faq .faq-prep__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
}

.page-faq .faq-prep__list {
  margin: 0;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.8;
}

.page-faq .faq-prep__list li {
  margin-bottom: 4px;
}

.page-faq .faq-prep__foot {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink);
  border-top: 1px dashed rgba(43, 33, 24, 0.35);
  padding-top: 9px;
}

.page-faq .faq-figure--contact {
  margin-top: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 780px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.9fr);
    align-items: start;
    gap: 44px;
  }

  .page-faq .faq-index {
    transform: rotate(-0.8deg);
  }

  .page-faq .faq-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 24px;
  }

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

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

@media (min-width: 1000px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.95fr);
    gap: 56px;
    padding-bottom: 56px;
  }

  .page-faq .faq-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    margin-top: 34px;
  }

  .page-faq .faq-steps__item {
    padding: 0 20px;
    border-left: 2px solid var(--paper-line);
  }

  .page-faq .faq-steps__item:first-child {
    padding-left: 0;
    border-left-color: transparent;
  }

  .page-faq .faq-steps__item:last-child {
    padding-right: 0;
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 40px;
    align-items: start;
  }

  .page-faq .faq-qa {
    margin-top: 40px;
  }

  .page-faq .disclosure__button {
    font-size: 17.5px;
    padding: 20px 18px 20px 17px;
  }

  .page-faq .disclosure__panel {
    padding: 6px 26px 26px 22px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-figure {
    margin-top: 38px;
  }

  .page-faq .faq-index {
    padding: 28px 26px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tab,
  .page-faq .faq-channel,
  .page-faq .faq-index__list a,
  .page-faq .disclosure__button,
  .page-faq .disclosure__icon::after {
    transition: none;
  }

  .page-faq .faq-tab:hover,
  .page-faq .faq-channel:hover,
  .page-faq .faq-index {
    transform: none;
  }
}
<<<END>>>