.page-faq {
  background: var(--paper);
  color: var(--graphite);
}

/* ---------- 首屏：坐标式问题分流 ---------- */
.page-faq .faq-hero {
  position: relative;
  background-color: var(--ink);
  background-image:
    linear-gradient(to right, rgba(242, 232, 216, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(242, 232, 216, 0.055) 1px, transparent 1px);
  background-size: 56px 56px;
  color: var(--paper);
  padding: clamp(18px, 3vw, 32px) 0 clamp(40px, 6vw, 76px);
}

.page-faq .faq-hero .hb-crumbs__link {
  color: var(--text-soft);
}

.page-faq .faq-hero .hb-crumbs__link[aria-current="page"] {
  color: var(--amber);
}

.page-faq .faq-hero .hb-crumbs__list {
  color: var(--text-soft);
}

.page-faq .faq-hero .hb-eyebrow {
  color: var(--amber);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(29px, 5.4vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 14px 0 0;
  max-width: 20em;
}

.page-faq .faq-hero .hb-lede {
  color: var(--text-dim);
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
}

.page-faq .faq-steps {
  list-style: none;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
}

@media (min-width: 760px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .faq-steps > li {
  background: var(--ink-panel);
  padding: 20px 20px 22px;
  position: relative;
}

.page-faq .faq-steps > li::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 0;
  width: 34px;
  height: 2px;
  background: var(--celadon);
}

.page-faq .faq-steps__num {
  display: block;
  color: var(--amber);
  font-size: 13px;
  letter-spacing: 0.14em;
  margin-bottom: 8px;
}

.page-faq .faq-steps__title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.01em;
  margin: 0 0 8px;
  color: var(--paper);
}

.page-faq .faq-steps p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-faq .faq-hero__media {
  margin: clamp(26px, 4vw, 44px) 0 0;
  border: 1px solid var(--line-dark);
}

.page-faq .faq-hero__media .hb-media__frame {
  background: var(--ink-panel);
}

.page-faq .faq-hero__media .hb-media__caption {
  color: var(--text-soft);
  padding: 10px 14px;
  margin: 0;
  font-size: 13px;
  border-top: 1px solid var(--line-dark);
}

/* ---------- 正文双栏 ---------- */
.page-faq .faq-body {
  padding: clamp(32px, 5vw, 64px) 0 clamp(48px, 7vw, 92px);
}

.page-faq .faq-layout {
  display: grid;
  gap: 28px;
  align-items: start;
}

@media (min-width: 920px) {
  .page-faq .faq-layout {
    grid-template-columns: 246px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
  }
}

/* 索引 */
.page-faq .faq-index {
  border-top: 3px solid var(--ink);
  padding-top: 12px;
}

@media (min-width: 920px) {
  .page-faq .faq-index {
    position: sticky;
    top: 96px;
  }
}

.page-faq .faq-index__title {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--slate);
  margin: 0 0 12px;
  text-transform: uppercase;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 10px 9px 11px;
  color: var(--graphite);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.45;
  border-left: 2px solid transparent;
  transition: background-color 180ms ease, border-color 180ms ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: rgba(95, 143, 124, 0.14);
  border-left-color: var(--celadon);
}

.page-faq .faq-index__link[aria-current="true"] {
  background: rgba(200, 70, 54, 0.09);
  border-left-color: var(--cinnabar);
  font-weight: 700;
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--celadon);
  letter-spacing: 0.06em;
  flex: none;
}

/* ---------- 问答块 ---------- */
.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-group {
  margin-top: clamp(36px, 5vw, 56px);
  scroll-margin-top: 92px;
}

.page-faq .faq-group:first-child {
  margin-top: 0;
}

.page-faq .faq-group__title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  font-family: var(--font-display);
  font-size: clamp(21px, 2.7vw, 29px);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.28;
  margin: 0 0 8px;
  color: var(--ink);
}

.page-faq .faq-group__num {
  font-size: clamp(12px, 1.4vw, 14px);
  color: var(--celadon);
  letter-spacing: 0.1em;
  border: 1px solid var(--celadon);
  padding: 1px 6px;
  flex: none;
}

.page-faq .faq-group__note {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: #4a545e;
  max-width: 62ch;
}

.page-faq .faq-group__note a,
.page-faq .faq-item__a a {
  color: #2c5a4b;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .faq-group__note a:hover,
.page-faq .faq-item__a a:hover {
  color: var(--cinnabar);
}

.page-faq .faq-list {
  border-top: 1px solid var(--grid);
}

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

.page-faq .faq-item__q {
  position: relative;
  display: block;
  padding: 15px 44px 15px 12px;
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--graphite);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__q::after {
  content: "＋";
  position: absolute;
  right: 12px;
  top: 12px;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.4;
  color: var(--celadon);
}

.page-faq .faq-item[open] > .faq-item__q {
  color: var(--ink);
  background: rgba(216, 203, 184, 0.24);
}

.page-faq .faq-item[open] > .faq-item__q::after {
  content: "−";
  color: var(--cinnabar);
}

.page-faq .faq-item__q:hover {
  background: rgba(216, 203, 184, 0.2);
}

.page-faq .faq-item__a {
  padding: 4px 12px 20px;
  font-size: 15.5px;
  line-height: 1.8;
  color: #333a41;
  max-width: 72ch;
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
}

.page-faq .faq-item__lead {
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-steps-list {
  list-style: none;
  counter-reset: faqstep;
  margin: 12px 0 4px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-steps-list > li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .faq-steps-list > li::before {
  content: counter(faqstep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--graphite);
  background: var(--paper-white);
  border: 1px solid var(--grid);
  border-left: 2px solid var(--celadon);
  text-align: center;
  align-self: start;
  margin-top: 3px;
}

/* 切换反馈四类 */
.page-faq .faq-kinds {
  display: grid;
  gap: 12px;
  margin: 4px 0 24px;
}

@media (min-width: 700px) {
  .page-faq .faq-kinds {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-faq .faq-kind {
  background: var(--paper-white);
  border: 1px solid var(--grid);
  border-top: 3px solid var(--celadon);
  padding: 14px 16px 16px;
  box-shadow: 4px 4px 0 rgba(31, 35, 40, 0.07);
}

.page-faq .faq-kind__title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  margin: 0 0 6px;
  color: var(--ink);
}

.page-faq .faq-kind p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: #4a545e;
}

/* 对照表 */
.page-faq .faq-table-wrap {
  overflow-x: auto;
  margin: 0 0 20px;
  border: 1px solid var(--grid);
  background: var(--paper-white);
}

.page-faq .faq-mirror {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-faq .faq-mirror caption {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--slate);
  padding: 12px 14px 10px;
}

.page-faq .faq-mirror th,
.page-faq .faq-mirror td {
  border-top: 1px solid var(--grid);
  border-right: 1px solid var(--grid);
  padding: 11px 14px;
  text-align: left;
  vertical-align: top;
  line-height: 1.65;
}

.page-faq .faq-mirror tr > *:last-child {
  border-right: 0;
}

.page-faq .faq-mirror thead th {
  background: var(--ink-panel);
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  border-top: 0;
}

.page-faq .faq-mirror thead th:first-child {
  color: var(--amber);
}

.page-faq .faq-mirror tbody th {
  background: rgba(216, 203, 184, 0.4);
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
}

.page-faq .faq-compare-media {
  margin: 26px 0 8px;
  border: 1px solid var(--grid);
}

.page-faq .faq-compare-media .hb-media__frame {
  background: var(--ink-panel);
}

.page-faq .faq-compare-media .hb-media__caption {
  color: #5a636c;
  font-size: 13px;
  padding: 9px 12px;
  margin: 0;
  border-top: 1px solid var(--grid);
  background: var(--paper-white);
}

/* 结尾行动区 */
.page-faq .faq-cta {
  margin-top: 26px;
  background: var(--ink);
  color: var(--paper);
  border-left: 6px solid var(--amber);
  padding: clamp(20px, 3vw, 32px);
}

.page-faq .faq-cta__title {
  font-family: var(--font-display);
  font-size: clamp(19px, 2.3vw, 24px);
  font-weight: 800;
  margin: 0 0 8px;
  color: var(--paper);
}

.page-faq .faq-cta p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
  max-width: 56ch;
}

.page-faq .faq-cta .hb-btn {
  text-decoration: none;
}

/* 图片兜底 */
.page-faq .hb-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link {
    transition: none;
  }
}
<<<END>>>