.page-faq {
  --faq-gap: clamp(24px, 4vw, 52px);
  overflow-x: clip;
}

.page-faq .breadcrumb {
  padding-top: clamp(14px, 2.4vw, 24px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(18px, 3.4vw, 36px) 0 clamp(34px, 5.6vw, 72px);
  background:
    radial-gradient(120% 95% at 92% -10%, rgba(23, 59, 45, 0.95) 0%, rgba(8, 26, 19, 0) 62%),
    linear-gradient(180deg, rgba(18, 22, 21, 0.8), rgba(8, 26, 19, 0) 88%);
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: var(--faq-gap);
  align-items: center;
}

.page-faq .faq-hero-copy {
  max-width: 40ch;
}

.page-faq .faq-hero-copy h1 {
  margin: 0.35em 0 0.5em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.95rem, 5.2vw, 3.35rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--white);
}

.page-faq .faq-hero-lead {
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-size: clamp(1rem, 1.5vw, 1.08rem);
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-hero-media {
  position: relative;
  margin: 0;
  border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) 8px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lift);
  transform: rotate(1.4deg);
}

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

.page-faq .faq-hero-badge {
  position: absolute;
  left: 14px;
  bottom: 14px;
  max-width: calc(100% - 28px);
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  background: rgba(8, 26, 19, 0.84);
  border: 1px solid var(--line-strong);
  color: var(--ice);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  line-height: 1.5;
}

@media (min-width: 880px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  }
}

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-shell {
  display: grid;
  gap: clamp(26px, 3.6vw, 48px);
  padding-bottom: clamp(44px, 7vw, 88px);
}

@media (min-width: 960px) {
  .page-faq .faq-shell {
    grid-template-columns: 252px minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 左侧索引 ---------- */
.page-faq .faq-index {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--ink-char);
  padding: 18px 16px;
}

.page-faq .faq-index-title {
  margin: 0 0 10px;
  padding-left: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-faq .faq-index-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  color: var(--mist);
  font-size: 0.94rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-index-num {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--yellow);
  letter-spacing: 0.04em;
}

.page-faq .faq-index-list a:hover {
  color: var(--white);
  border-color: var(--line-strong);
  background: rgba(23, 59, 45, 0.42);
  transform: translateX(4px);
}

.page-faq .faq-index-list a:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 2px;
}

.page-faq .faq-index-note {
  margin: 14px 0 0;
  padding: 14px 8px 0;
  border-top: 1px solid var(--line-soft);
  font-size: 0.82rem;
  line-height: 1.75;
  color: var(--mist);
}

@media (min-width: 960px) {
  .page-faq .faq-index {
    position: sticky;
    top: 32px;
  }
}

/* ---------- 分组 ---------- */
.page-faq .faq-groups {
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: 86px;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(36px, 5vw, 64px);
}

.page-faq .faq-group-head {
  display: flex;
  align-items: flex-start;
  gap: clamp(12px, 2vw, 20px);
  padding-top: 16px;
  margin-bottom: 18px;
  border-top: 1px solid var(--line-strong);
}

.page-faq .faq-group-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2.2rem, 5.4vw, 3.2rem);
  line-height: 0.82;
  letter-spacing: -0.05em;
  color: var(--yellow);
}

.page-faq .faq-group-copy h2 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.24rem, 2.6vw, 1.68rem);
  letter-spacing: -0.015em;
  color: var(--white);
}

.page-faq .faq-group-copy p {
  margin: 0;
  max-width: 54ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(18, 22, 21, 0.72);
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .faq-item:hover {
  border-color: var(--line-strong);
  background: rgba(23, 59, 45, 0.34);
}

.page-faq .faq-item[open] {
  border-color: rgba(230, 255, 59, 0.42);
  background: rgba(12, 38, 28, 0.86);
  box-shadow: var(--shadow-lift);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 18px;
  border-radius: var(--radius-md);
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: clamp(0.97rem, 1.4vw, 1.05rem);
  line-height: 1.6;
  color: var(--white);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1;
  color: var(--yellow);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-item[open] summary::after {
  content: "−";
  background: var(--yellow);
  color: var(--ink-char);
  border-color: transparent;
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 2px;
}

.page-faq .faq-answer {
  margin-top: 2px;
  padding: 14px 18px 18px;
  border-top: 1px solid var(--line-soft);
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-answer p {
  margin: 0;
}

.page-faq .faq-answer p + p {
  margin-top: 10px;
}

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

.page-faq .faq-answer a:hover {
  color: var(--white);
}

.page-faq .faq-answer a:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- 客服配图 ---------- */
.page-faq .faq-contact-figure {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink-char);
}

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

.page-faq .faq-contact-figure figcaption {
  padding: 12px 18px 14px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.03em;
  line-height: 1.7;
  color: var(--ice);
}

/* ---------- 底部延伸 ---------- */
.page-faq .faq-more {
  padding: clamp(28px, 4vw, 48px) 0 clamp(40px, 6vw, 72px);
  background: linear-gradient(180deg, rgba(23, 59, 45, 0) 0%, rgba(23, 59, 45, 0.55) 100%);
}

.page-faq .faq-more-inner {
  display: grid;
  gap: 16px;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: rgba(12, 38, 28, 0.58);
}

.page-faq .faq-more-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: var(--yellow);
}

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

@media (min-width: 720px) {
  .page-faq .faq-more-inner {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    column-gap: 28px;
  }

  .page-faq .faq-more-links {
    justify-content: flex-end;
  }
}

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

  .page-faq .faq-hero-media {
    transform: none;
  }
}
<<<END>>>