.page-faq {
  --faq-gap: clamp(20px, 3.5vw, 44px);
  background-color: var(--c-night);
  color: var(--c-ice);
  overflow-x: clip;
}

.page-faq .faq-crumbs {
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(14px, 3vw, 24px) var(--gutter) 0;
}

/* ---------- 首屏框景 ---------- */
.page-faq .faq-hero {
  padding: clamp(20px, 3.5vw, 36px) 0 0;
}

.page-faq .faq-hero__grid {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter) clamp(28px, 5vw, 56px);
  border-bottom: 1px solid var(--c-line-soft);
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-faq .faq-hero .label {
  display: inline-block;
  margin: 0 0 14px;
  padding: 4px 10px;
  border: 1px solid rgba(24, 195, 177, 0.4);
  color: var(--c-teal);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 6.4vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-faq .faq-hero__lead {
  margin: 16px 0 0;
  max-width: 60ch;
  color: var(--c-mist);
  font-size: var(--step-1);
  line-height: 1.75;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 3vw, 26px);
}

.page-faq .faq-hero__facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: clamp(16px, 3vw, 40px);
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  padding: clamp(14px, 2.4vw, 18px) 0 0;
  border-top: 1px solid var(--c-line-soft);
}

.page-faq .faq-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .faq-hero__facts .num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.2rem, 2.6vw, 1.65rem);
  color: var(--c-gold);
  letter-spacing: 0.02em;
  line-height: 1;
}

.page-faq .faq-hero__facts li > span:last-child {
  font-size: var(--step--1);
  color: var(--c-mist);
  letter-spacing: 0.08em;
}

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

.page-faq .faq-hero__figure .frame-media {
  border: 1px solid var(--c-line-strong);
  background: linear-gradient(150deg, rgba(43, 35, 80, 0.7), rgba(10, 26, 47, 0.9));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

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

.page-faq .faq-hero__figure figcaption {
  margin-top: 12px;
  padding-left: 10px;
  border-left: 2px solid var(--c-gold);
  color: var(--c-mist);
  font-size: var(--step--1);
  letter-spacing: 0.06em;
  line-height: 1.6;
}

/* ---------- 双列主体：左索引 + 右内容 ---------- */
.page-faq .faq-body {
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(26px, 4vw, 48px) var(--gutter) 0;
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-rail {
  border-top: 1px solid var(--c-line-soft);
  padding-top: 14px;
}

.page-faq .faq-rail > .label {
  margin: 0 0 10px;
  color: var(--c-mist);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.page-faq .faq-rail__list {
  list-style: none;
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0 0 4px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.page-faq .faq-rail__list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-rail__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 12px;
  color: var(--c-mist);
  text-decoration: none;
  font-size: var(--step--1);
  letter-spacing: 0.05em;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease, background-color 0.16s ease;
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  color: var(--c-ice);
  border-color: var(--c-teal);
  background-color: rgba(24, 195, 177, 0.09);
}

.page-faq .faq-rail__no {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--c-gold);
  letter-spacing: 0.08em;
}

/* ---------- 内容区块 ---------- */
.page-faq .faq-block {
  padding: clamp(22px, 3.4vw, 36px) 0;
  border-top: 1px solid var(--c-line-soft);
  scroll-margin-top: calc(var(--header-height) + 16px);
}

.page-faq .faq-content > .faq-block:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-block .coord {
  display: inline-block;
  padding: 3px 8px;
  border: 1px solid rgba(24, 195, 177, 0.4);
  color: var(--c-teal);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
}

.page-faq .faq-block h2 {
  margin: 12px 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 3.4vw, 2rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
}

.page-faq .faq-block__lead {
  margin: 0;
  max-width: 64ch;
  color: var(--c-mist);
  font-size: var(--step-0);
  line-height: 1.78;
}

.page-faq .faq-block__lead a,
.page-faq .faq-inline-note a {
  color: var(--c-teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(24, 195, 177, 0.45);
}

.page-faq .faq-block__lead a:hover,
.page-faq .faq-inline-note a:hover {
  color: var(--c-ice);
  border-color: var(--c-ice);
}

/* ---------- 三步步骤条 ---------- */
.page-faq .steps {
  list-style: none;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0 0 0 clamp(16px, 3vw, 26px);
  border-left: 1px solid var(--c-line);
  display: grid;
  gap: clamp(18px, 3vw, 26px);
}

.page-faq .steps__item {
  position: relative;
}

.page-faq .steps__item::before {
  content: "";
  position: absolute;
  left: calc(-1 * clamp(16px, 3vw, 26px));
  top: 0.55em;
  width: 8px;
  height: 8px;
  background: var(--c-teal);
  transform: translateX(-50%);
  box-shadow: 0 0 0 4px var(--c-night);
}

.page-faq .steps__item h3 {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 6px;
  font-size: var(--step-1);
  font-weight: 700;
  line-height: 1.45;
}

.page-faq .steps__no {
  padding: 1px 6px;
  border: 1px solid rgba(244, 197, 66, 0.45);
  color: var(--c-gold);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
}

.page-faq .steps__item p {
  margin: 0 0 8px;
  color: var(--c-mist);
  font-size: var(--step-0);
  line-height: 1.78;
}

.page-faq .steps__note {
  display: inline-block;
  padding: 5px 10px;
  border: 1px solid var(--c-line);
  color: var(--c-mist);
  font-size: var(--step--1);
  letter-spacing: 0.03em;
  line-height: 1.6;
}

.page-faq .steps__note--alert {
  border-color: rgba(255, 92, 92, 0.45);
  color: var(--c-coral);
}

.page-faq .steps__note--alert::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--c-coral);
  vertical-align: middle;
}

/* ---------- 图文分屏 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: clamp(20px, 3.5vw, 36px);
  margin-top: clamp(16px, 2.6vw, 24px);
}

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

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

.page-faq .faq-figure .frame-media--tall {
  border: 1px solid var(--c-line);
  background: linear-gradient(180deg, rgba(43, 35, 80, 0.6), rgba(10, 26, 47, 0.9));
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--c-line-soft);
  color: var(--c-mist);
  font-size: var(--step--1);
  letter-spacing: 0.05em;
  line-height: 1.6;
}

.page-faq .reenter-map {
  padding: 10px;
  border: 1px solid var(--c-line);
  background-color: var(--c-indigo);
}

/* ---------- 说明列表 ---------- */
.page-faq .mini-list {
  margin: clamp(14px, 2.4vw, 22px) 0 0;
  border-top: 1px solid var(--c-line-soft);
}

.page-faq .mini-list__row {
  padding: 12px 0;
  border-bottom: 1px solid var(--c-line-soft);
}

.page-faq .mini-list__row dt {
  margin-bottom: 4px;
  color: var(--c-teal);
  font-size: var(--step--1);
  letter-spacing: 0.14em;
}

.page-faq .mini-list__row dd {
  margin: 0;
  color: var(--c-mist);
  font-size: var(--step-0);
  line-height: 1.72;
}

/* ---------- 层级阶梯 ---------- */
.page-faq .ladder {
  list-style: none;
  counter-reset: lad;
  margin: clamp(14px, 2.4vw, 22px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .ladder li {
  counter-increment: lad;
  position: relative;
  padding-left: 42px;
  color: var(--c-mist);
  font-size: var(--step-0);
  line-height: 1.76;
}

.page-faq .ladder li::before {
  content: "0" counter(lad);
  position: absolute;
  left: 0;
  top: 1px;
  padding: 2px 5px;
  border: 1px solid rgba(244, 197, 66, 0.4);
  color: var(--c-gold);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.page-faq .ladder strong {
  display: block;
  margin-bottom: 4px;
  color: var(--c-ice);
  font-size: var(--step-1);
  font-weight: 700;
}

.page-faq .faq-inline-note {
  margin: 16px 0 0;
  padding: 12px 14px;
  border-left: 2px solid var(--c-gold);
  background: rgba(244, 197, 66, 0.07);
  color: var(--c-mist);
  font-size: var(--step--1);
  line-height: 1.72;
}

/* ---------- 折叠面板 ---------- */
.page-faq .faq-acc {
  margin-top: clamp(16px, 2.6vw, 24px);
  border-top: 1px solid var(--c-line-soft);
}

.page-faq .faq-acc__item {
  border-bottom: 1px solid var(--c-line-soft);
}

.page-faq .faq-acc__item summary {
  position: relative;
  list-style: none;
  padding: 14px 34px 14px 0;
  color: var(--c-ice);
  font-size: var(--step-0);
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  line-height: 1.6;
}

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

.page-faq .faq-acc__item summary::after {
  content: "";
  position: absolute;
  right: 8px;
  top: 50%;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--c-teal);
  border-bottom: 2px solid var(--c-teal);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 0.2s ease;
}

.page-faq .faq-acc__item[open] summary::after {
  transform: translateY(-30%) rotate(225deg);
}

.page-faq .faq-acc__item summary:hover {
  color: var(--c-teal);
}

.page-faq .faq-acc__item[open] summary {
  color: var(--c-teal);
}

.page-faq .faq-acc__body {
  padding: 0 0 16px;
  color: var(--c-mist);
  font-size: var(--step-0);
  line-height: 1.78;
}

/* ---------- 关注位 ---------- */
.page-faq .pin-card {
  margin: 0;
  padding: clamp(14px, 2.4vw, 22px);
  border: 1px solid var(--c-line);
  background: linear-gradient(160deg, rgba(43, 35, 80, 0.85), rgba(10, 26, 47, 0.6));
}

.page-faq .pin-card > .label {
  margin: 0 0 12px;
  color: var(--c-gold);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

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

.page-faq .pin-slots__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border: 1px solid var(--c-line-soft);
  background: rgba(10, 26, 47, 0.5);
  color: var(--c-mist);
  font-size: var(--step--1);
  letter-spacing: 0.06em;
}

.page-faq .pin-slots__item--lead {
  border-color: rgba(24, 195, 177, 0.6);
  background: rgba(24, 195, 177, 0.12);
  color: var(--c-ice);
}

.page-faq .pin-slots__no {
  color: var(--c-gold);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

/* ---------- 数据块 ---------- */
.page-faq .data-grid {
  display: grid;
  gap: 12px;
  margin-top: clamp(16px, 2.6vw, 24px);
}

.page-faq .data-grid__cell {
  padding: 16px;
  border: 1px solid var(--c-line);
  border-top: 2px solid var(--c-gold);
  background: linear-gradient(160deg, rgba(43, 35, 80, 0.65), rgba(10, 26, 47, 0));
}

.page-faq .data-grid__num {
  display: block;
  margin-bottom: 7px;
  color: var(--c-gold);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.1rem, 2.8vw, 1.5rem);
  letter-spacing: 0.02em;
  line-height: 1;
}

.page-faq .data-grid__cell p {
  margin: 0;
  color: var(--c-mist);
  font-size: var(--step--1);
  line-height: 1.72;
}

/* ---------- 材料清单 ---------- */
.page-faq .checklist {
  list-style: none;
  margin: clamp(14px, 2.4vw, 22px) 0 0;
  padding: 0;
  border-top: 1px solid var(--c-line-soft);
}

.page-faq .checklist__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--c-line-soft);
}

.page-faq .checklist__box {
  appearance: none;
  -webkit-appearance: none;
  grid-row: span 2;
  position: relative;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  border: 1px solid var(--c-teal);
  background: transparent;
  cursor: pointer;
}

.page-faq .checklist__box:checked {
  background: var(--c-teal);
}

.page-faq .checklist__box:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 2px;
  width: 5px;
  height: 9px;
  border-right: 2px solid var(--c-night);
  border-bottom: 2px solid var(--c-night);
  transform: rotate(42deg);
}

.page-faq .checklist__item label {
  align-self: center;
  color: var(--c-ice);
  font-size: var(--step-0);
  font-weight: 600;
  cursor: pointer;
}

.page-faq .checklist__desc {
  grid-column: 2;
  color: var(--c-mist);
  font-size: var(--step--1);
  line-height: 1.68;
}

.page-faq .checklist__tip {
  margin: 14px 0 0;
  color: var(--c-mist);
  font-size: var(--step--1);
  letter-spacing: 0.05em;
}

.page-faq .checklist:has(.checklist__box:checked) ~ .checklist__tip {
  color: var(--c-gold);
}

/* ---------- 联系卡片 ---------- */
.page-faq .contact-card {
  padding: clamp(16px, 2.6vw, 24px);
  border: 1px solid var(--c-line);
  background: linear-gradient(150deg, rgba(110, 31, 59, 0.55), rgba(43, 35, 80, 0.55));
}

.page-faq .contact-card > .label {
  margin: 0 0 12px;
  color: var(--c-gold);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.page-faq .contact-card__list {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-faq .contact-card__list > div {
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(245, 248, 252, 0.12);
}

.page-faq .contact-card__list dt {
  margin-bottom: 3px;
  color: var(--c-mist);
  font-size: var(--step--1);
  letter-spacing: 0.14em;
}

.page-faq .contact-card__list dd {
  margin: 0;
  color: var(--c-ice);
  font-family: var(--font-mono);
  font-size: var(--step-0);
  word-break: break-word;
}

.page-faq .contact-card__note {
  margin: 14px 0 16px;
  color: var(--c-mist);
  font-size: var(--step--1);
  line-height: 1.72;
}

/* ---------- 页尾延伸 ---------- */
.page-faq .faq-tail {
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(24px, 4vw, 40px) var(--gutter) 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 22px;
  color: var(--c-mist);
  font-size: var(--step--1);
  letter-spacing: 0.05em;
}

.page-faq .faq-tail a {
  color: var(--c-teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(24, 195, 177, 0.4);
  padding-bottom: 1px;
}

.page-faq .faq-tail a:hover,
.page-faq .faq-tail a:focus-visible {
  color: var(--c-ice);
  border-color: var(--c-ice);
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-faq .data-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-faq .faq-split--reverse {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-faq .faq-split--reverse .faq-figure {
    order: -1;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-body {
    grid-template-columns: 228px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 60px);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-height) + 22px);
    align-self: start;
    border-top: 0;
    padding-top: 0;
  }

  .page-faq .faq-rail__list {
    display: block;
    overflow: visible;
    padding: 0 0 0 0;
    border-left: 1px solid var(--c-line-soft);
  }

  .page-faq .faq-rail__link {
    margin-left: -1px;
    border-bottom: 0;
    border-left: 2px solid transparent;
  }
}

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