.page-faq {
  overflow-x: hidden;
  background: var(--c-snow);
  color: var(--c-ink);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(20px, 4vw, 40px) 0 clamp(32px, 6vw, 72px);
  isolation: isolate;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -14%;
  width: min(760px, 96vw);
  height: min(560px, 88vw);
  background: linear-gradient(148deg, var(--c-lake) 0%, var(--c-deep) 76%);
  border-radius: 46% 0 42% 58% / 54% 0 46% 46%;
  transform: rotate(-7deg);
  opacity: 0.14;
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 40px);
  align-items: center;
}

.page-faq .faq-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  letter-spacing: 0.14em;
  color: var(--c-wine);
  padding: 5px 12px;
  border: 1px solid rgba(124, 31, 43, 0.28);
  border-radius: var(--r-pill);
  background: rgba(176, 42, 37, 0.06);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 4.6vw, 2.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--c-ink);
  margin: 14px 0 16px;
  max-width: 20ch;
}

.page-faq .faq-hero .lede {
  max-width: 50ch;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--ink-80);
  margin: 0 0 20px;
}

.page-faq .faq-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* 关键时间点面板 */
.page-faq .faq-hero-panel {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-card) var(--r-card) var(--r-card) 56px;
  background: linear-gradient(152deg, var(--c-deep) 0%, var(--c-lake) 94%);
  color: var(--c-snow);
  padding: clamp(20px, 3vw, 28px);
  box-shadow: var(--shadow-card);
}

.page-faq .faq-hero-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 82% 14%, rgba(217, 162, 39, 0.3), transparent 62%);
  pointer-events: none;
}

.page-faq .panel-label {
  position: relative;
  margin: 0 0 16px;
  font-size: var(--fs-13);
  letter-spacing: 0.06em;
  color: var(--on-deep);
}

.page-faq .panel-list {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .panel-list li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(251, 252, 253, 0.16);
}

.page-faq .panel-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .panel-value {
  font-family: var(--font-mono);
  font-size: var(--fs-24);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--c-snow);
  border-bottom: 2px solid var(--c-gold);
  align-self: flex-start;
  padding-bottom: 2px;
}

.page-faq .panel-desc {
  font-size: var(--fs-14);
  color: var(--on-deep);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 44px);
  padding-bottom: clamp(40px, 7vw, 88px);
}

.page-faq .faq-toc-title {
  margin: 0 0 10px;
  font-size: var(--fs-13);
  letter-spacing: 0.1em;
  color: var(--ink-40);
}

.page-faq .faq-toc-list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-toc-list li {
  flex: 0 0 auto;
}

.page-faq .faq-toc-list a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
  padding: 7px 14px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: var(--c-snow);
  color: var(--ink-80);
  font-size: var(--fs-14);
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-toc-list a .mono {
  font-size: var(--fs-12);
  color: var(--c-wine);
}

.page-faq .faq-toc-list a:hover,
.page-faq .faq-toc-list a:focus-visible {
  border-color: var(--c-lake);
  color: var(--c-lake);
  transform: translateY(-2px);
}

.page-faq .faq-toc-list a[data-current] {
  background: var(--c-lake);
  border-color: var(--c-lake);
  color: var(--c-snow);
}

.page-faq .faq-toc-list a[data-current] .mono {
  color: rgba(251, 252, 253, 0.86);
}

/* ---------- 场景总览图 ---------- */
.page-faq .faq-scenes {
  margin-bottom: clamp(26px, 5vw, 46px);
}

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

.page-faq .faq-scenes-figure .figure-media,
.page-faq .faq-scenes-figure img {
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
}

.page-faq .figure-caption {
  margin-top: 10px;
  font-size: var(--fs-13);
  color: var(--ink-60);
}

/* ---------- 折叠分组 ---------- */
.page-faq .faq-group {
  margin-bottom: clamp(30px, 5.5vw, 56px);
  scroll-margin-top: 110px;
}

.page-faq .faq-cannot {
  display: none;
}

.page-faq .faq-group-head {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 22px);
  padding: clamp(16px, 2.6vw, 22px) clamp(18px, 3vw, 26px);
  border-radius: var(--r-card);
  background: linear-gradient(125deg, var(--c-deep) 0%, var(--c-lake) 92%);
  color: var(--c-snow);
}

.page-faq .faq-group-head::before {
  content: "";
  position: absolute;
  top: -70%;
  right: -6%;
  width: 42%;
  height: 240%;
  background: linear-gradient(90deg, rgba(251, 252, 253, 0) 0%, rgba(251, 252, 253, 0.1) 100%);
  transform: rotate(12deg);
  pointer-events: none;
}

.page-faq .faq-group-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--fs-32);
  font-weight: 700;
  line-height: 1;
  color: var(--c-snow);
}

.page-faq .faq-group-num::after {
  content: "";
  display: block;
  width: 22px;
  height: 3px;
  margin-top: 9px;
  border-radius: 2px;
  background: var(--c-gold);
}

.page-faq .faq-group-title {
  position: relative;
}

.page-faq .faq-group-title h2 {
  margin: 0;
  color: var(--c-snow);
  font-size: var(--fs-18);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.page-faq .faq-group-title p {
  margin: 5px 0 0;
  font-size: var(--fs-14);
  color: var(--on-deep);
  line-height: 1.6;
}

.page-faq .faq-items {
  margin-top: 14px;
}

/* 单个问答 */
.page-faq .qa {
  border: 1px solid var(--line-soft);
  border-radius: var(--r-card);
  background: var(--c-snow);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

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

.page-faq .qa:hover {
  border-color: rgba(124, 31, 43, 0.4);
  box-shadow: var(--shadow-card);
}

.page-faq .qa > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px clamp(16px, 2.4vw, 22px);
  background: var(--c-mist);
  cursor: pointer;
  list-style: none;
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--c-ink);
  line-height: 1.5;
  transition: background var(--dur) var(--ease);
}

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

.page-faq .qa[open] > summary {
  background: linear-gradient(120deg, rgba(8, 71, 92, 0.1) 0%, rgba(11, 110, 143, 0.14) 100%);
  color: var(--c-deep);
}

.page-faq .qa-icon {
  position: relative;
  flex: 0 0 16px;
  width: 16px;
  height: 16px;
}

.page-faq .qa-icon::before,
.page-faq .qa-icon::after {
  content: "";
  position: absolute;
  background: var(--c-lake);
  border-radius: 2px;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

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

.page-faq .qa-icon::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
}

.page-faq .qa[open] .qa-icon::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .qa-body {
  padding: 16px clamp(16px, 2.4vw, 22px) 20px;
  border-top: 1px solid var(--line-soft);
  background: var(--c-snow);
}

.page-faq .qa-body p {
  margin: 0;
  max-width: 60ch;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--ink-80);
}

.page-faq .qa-links {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .qa-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 15px;
  border-radius: var(--r-pill);
  background: rgba(11, 110, 143, 0.1);
  border: 1px solid rgba(11, 110, 143, 0.24);
  color: var(--c-lake);
  font-size: var(--fs-14);
  font-weight: 600;
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .qa-link::after {
  content: "→";
  font-size: 0.95em;
}

.page-faq .qa-link:hover,
.page-faq .qa-link:focus-visible {
  background: var(--c-lake);
  border-color: var(--c-lake);
  color: var(--c-snow);
  transform: translateY(-2px);
}

/* 疑难组图文并置 */
.page-faq .faq-trouble-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

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

.page-faq .faq-trouble-figure img {
  border-radius: var(--r-card);
  border: 1px solid var(--line-soft);
  width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--c-mist);
}

/* ---------- 下一步 ---------- */
.page-faq .faq-next {
  scroll-margin-top: 110px;
  margin-bottom: clamp(30px, 5.5vw, 56px);
}

.page-faq .faq-next-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--c-snow);
  padding: clamp(22px, 3.4vw, 34px);
  box-shadow: var(--shadow-card);
}

.page-faq .faq-next-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 100%;
  background: linear-gradient(180deg, var(--c-gold) 0%, var(--c-red) 100%);
}

.page-faq .faq-next-card h2 {
  margin: 0 0 8px;
  font-size: var(--fs-24);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-faq .faq-next-lede {
  margin: 0 0 16px;
  font-size: var(--fs-14);
  color: var(--ink-60);
}

.page-faq .faq-next-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-next-list li {
  position: relative;
  padding-left: 22px;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--ink-80);
}

.page-faq .faq-next-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-gold);
  box-shadow: 0 0 0 4px rgba(217, 162, 39, 0.16);
}

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

.page-faq .faq-next-contact {
  margin: 18px 0 0;
  font-size: var(--fs-13);
  line-height: 1.7;
  color: var(--ink-60);
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}

.page-faq .faq-next-contact .mono {
  color: var(--c-deep);
  letter-spacing: 0.02em;
}

/* ---------- 订阅回访 ---------- */
.page-faq .faq-sub {
  scroll-margin-top: 110px;
}

.page-faq .faq-sub-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  border-radius: var(--r-lg);
  padding: clamp(22px, 3.4vw, 34px);
  background: linear-gradient(135deg, rgba(47, 122, 107, 0.1) 0%, rgba(11, 110, 143, 0.12) 100%);
  border: 1px solid var(--line-soft);
}

.page-faq .faq-sub-copy h2 {
  margin: 0 0 10px;
  font-size: var(--fs-24);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-faq .faq-sub-copy p {
  margin: 0;
  max-width: 56ch;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--ink-80);
}

.page-faq .faq-sub-side {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
}

.page-faq .faq-sub-side .count-badge {
  font-family: var(--font-mono);
  font-size: var(--fs-24);
  font-weight: 700;
  color: var(--c-snow);
  background: var(--c-red);
  border-radius: var(--r-pill);
  padding: 6px 18px;
  line-height: 1.3;
}

.page-faq .faq-sub-label {
  font-size: var(--fs-13);
  color: var(--ink-60);
  margin-bottom: 8px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-sub-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-faq .faq-sub-side {
    align-items: flex-end;
    text-align: right;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-inner {
    grid-template-columns: minmax(0, 1.28fr) minmax(0, 0.92fr);
  }

  .page-faq .faq-toc-list {
    padding-bottom: 0;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 196px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 104px;
  }

  .page-faq .faq-toc-list {
    flex-direction: column;
    overflow: visible;
    gap: 6px;
  }

  .page-faq .faq-toc-list li {
    flex: 1 1 auto;
  }

  .page-faq .faq-toc-list a {
    width: 100%;
    justify-content: flex-start;
    border-radius: var(--r-card);
    padding: 9px 14px;
  }

  .page-faq .faq-items {
    margin-left: 0;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-trouble-body {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 26px;
    align-items: start;
  }

  .page-faq .faq-trouble-figure {
    position: sticky;
    top: 104px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa-icon::before,
  .page-faq .qa-icon::after,
  .page-faq .qa-link,
  .page-faq .faq-toc-list a {
    transition: none;
  }

  .page-faq .qa-link:hover,
  .page-faq .qa-link:focus-visible,
  .page-faq .faq-toc-list a:hover,
  .page-faq .faq-toc-list a:focus-visible {
    transform: none;
  }
}
<<<END>>>