.page-faq {
  --faq-soft: rgba(16, 24, 21, .76);
  --faq-soft-dark: #A9BBB3;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-block: 26px clamp(44px, 6vw, 76px);
  overflow: hidden;
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  margin-top: clamp(22px, 3vw, 36px);
}

.page-faq .faq-hero-copy .eyebrow {
  color: var(--cyan-2);
}

.page-faq .faq-hero-copy h1 {
  margin: 10px 0 18px;
  font-size: clamp(30px, 5.4vw, 58px);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-faq .faq-hero-copy .lede {
  max-width: 58ch;
  color: var(--mist);
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.8;
}

.page-faq .faq-hero-copy .actions-row {
  margin-top: 26px;
}

.page-faq .faq-hero-media {
  margin: 0;
  position: relative;
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-faq .faq-hero-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: 7fr 5fr;
    align-items: end;
    gap: clamp(32px, 5vw, 64px);
  }
}

/* ---------- 分类跳转 ---------- */
.page-faq .faq-index {
  margin-top: clamp(38px, 5vw, 62px);
}

.page-faq .faq-index-eyebrow {
  margin-bottom: 14px;
  color: var(--mist);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-index-list li {
  min-width: 0;
}

.page-faq .faq-index-list a {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 86px;
  padding: 15px 14px;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-index-list a:hover,
.page-faq .faq-index-list a:focus-visible {
  background: var(--pine);
  color: var(--cyan);
}

.page-faq .faq-index-num {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan-2);
}

.page-faq .faq-index-list a:hover .faq-index-num {
  color: var(--orange);
}

.page-faq .faq-index-name {
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1.45;
}

@media (min-width: 720px) {
  .page-faq .faq-index-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-index-list {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

/* ---------- 问题分组 ---------- */
.page-faq .faq-body {
  padding-block: clamp(46px, 6vw, 88px);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(44px, 5.5vw, 78px);
  padding-top: clamp(38px, 5vw, 62px);
  border-top: 1px solid var(--line-paper);
}

.page-faq .faq-group-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px 18px;
  align-items: start;
  margin-bottom: clamp(18px, 2.4vw, 28px);
}

.page-faq .faq-num {
  font-size: clamp(32px, 4.4vw, 50px);
  font-weight: 700;
  line-height: .9;
  letter-spacing: -.02em;
  color: var(--cyan-2);
}

.page-faq .faq-group-titles {
  min-width: 0;
}

.page-faq .faq-group-titles .section-kicker {
  color: var(--orange);
}

.page-faq .faq-group-titles .section-title {
  margin: 6px 0 0;
  font-size: clamp(22px, 2.9vw, 33px);
  line-height: 1.28;
  font-weight: 900;
  color: var(--graphite);
}

.page-faq .faq-side-note {
  display: none;
}

@media (min-width: 900px) {
  .page-faq .faq-group-head {
    grid-template-columns: auto minmax(0, 1fr) auto;
  }

  .page-faq .faq-side-note {
    display: block;
    align-self: center;
  }
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  border-top: 1px solid var(--line-paper);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--line-paper);
  transition: border-color var(--dur) var(--ease);
}

.page-faq .faq-item[open] {
  border-bottom-color: var(--cyan-2);
}

.page-faq .faq-summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  gap: 18px;
  padding: 17px 4px 17px 0;
  transition: color var(--dur) var(--ease);
}

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

.page-faq .faq-summary::marker {
  content: "";
}

.page-faq .faq-summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--cyan-2);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .faq-question {
  font-size: clamp(15.5px, 1.7vw, 18px);
  font-weight: 600;
  line-height: 1.6;
  color: var(--graphite);
}

.page-faq .faq-summary:hover .faq-question,
.page-faq .faq-summary:focus-visible .faq-question {
  text-decoration: underline;
  text-underline-offset: 5px;
  text-decoration-thickness: 1px;
  text-decoration-color: var(--cyan-2);
}

.page-faq .faq-answer {
  padding: 0 clamp(4px, 3vw, 42px) 20px 0;
}

.page-faq .faq-answer p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--graphite);
  opacity: .8;
}

/* ---------- 带配图的分组 ---------- */
.page-faq .faq-group-body {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
}

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

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--line-paper);
}

.page-faq .faq-figure .caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--faq-soft);
}

@media (min-width: 960px) {
  .page-faq .faq-group--split .faq-group-body {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
}

/* ---------- 相关问题跳转 ---------- */
.page-faq .faq-related {
  margin: clamp(38px, 5vw, 60px) 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--line-paper);
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-soft);
}

.page-faq .faq-related a {
  color: var(--cyan-2);
  text-underline-offset: 4px;
}

/* ---------- 底部联系 ---------- */
.page-faq .faq-contact {
  padding-block: clamp(46px, 6vw, 84px);
}

.page-faq .faq-group-head--contact {
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-faq .faq-contact .faq-num {
  color: var(--orange);
}

.page-faq .faq-contact .faq-group-titles .section-kicker {
  color: var(--cyan);
}

.page-faq .faq-contact .faq-group-titles .section-title {
  color: var(--paper);
}

.page-faq .faq-contact-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-contact-card {
  background: var(--ink);
  padding: 22px 20px;
}

.page-faq .faq-contact-card .card-label {
  color: var(--mist);
}

.page-faq .faq-contact-value {
  margin: 10px 0 12px;
  font-size: clamp(15px, 2.2vw, 19px);
  font-weight: 700;
  color: var(--cyan);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-faq .faq-contact-card .card-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-contact-tail {
  margin: clamp(22px, 3vw, 30px) 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--faq-soft-dark);
}

.page-faq .faq-contact-tail a {
  color: var(--cyan);
  text-underline-offset: 4px;
}

@media (min-width: 720px) {
  .page-faq .faq-contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-contact-card {
    padding: 26px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-summary,
  .page-faq .faq-summary::after,
  .page-faq .faq-index-list a {
    transition: none;
  }
}
<<<END>>>