.page-faq {
  --faq-dark: #211914;
  --faq-gold-soft: rgba(201, 162, 39, .16);
  --faq-hair: rgba(201, 162, 39, .42);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4.5vw, 44px) 0 clamp(42px, 7vw, 84px);
  color: var(--paper);
  background:
    radial-gradient(120% 96% at 12% 0%, rgba(140, 28, 28, .58), transparent 62%),
    linear-gradient(158deg, #1D1611 0%, #2C2018 52%, #211914 100%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(201, 162, 39, .2) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: .45;
}

.page-faq .faq-hero > .container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .breadcrumb {
  color: rgba(244, 236, 221, .62);
  font-size: 13px;
}

.page-faq .faq-hero .breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-faq .faq-hero .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(244, 236, 221, .38);
}

.page-faq .faq-hero .breadcrumb a {
  color: rgba(244, 236, 221, .88);
  text-decoration: none;
}

.page-faq .faq-hero .breadcrumb a:hover {
  color: var(--gold);
}

.page-faq .faq-hero__eyebrow {
  margin: 20px 0 12px;
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--gold);
}

.page-faq .faq-hero__title {
  margin: 0;
  max-width: 20em;
  font-family: var(--font-display);
  font-size: clamp(26px, 5.2vw, 44px);
  line-height: 1.3;
  letter-spacing: .01em;
  color: #FBF6EB;
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 44em;
  font-size: clamp(15px, 1.65vw, 17px);
  line-height: 1.85;
  color: rgba(244, 236, 221, .8);
}

.page-faq .faq-hero__jump {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-hero__jump a {
  display: inline-block;
  padding: 7px 15px;
  border: 1px solid var(--faq-hair);
  border-radius: 999px;
  font-size: 13px;
  color: rgba(244, 236, 221, .92);
  text-decoration: none;
  transition: background-color .22s var(--ease), border-color .22s var(--ease), color .22s var(--ease);
}

.page-faq .faq-hero__jump a:hover {
  background: rgba(201, 162, 39, .18);
  border-color: var(--gold);
  color: #FFF8E6;
}

/* ---------- 首屏金线时间轴 ---------- */
.page-faq .faq-rail {
  position: relative;
  list-style: none;
  margin: clamp(30px, 5.5vw, 52px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.page-faq .faq-rail::before {
  content: "";
  position: absolute;
  top: 15px;
  left: 12.5%;
  right: 12.5%;
  height: 1px;
  background: linear-gradient(90deg, rgba(201, 162, 39, .2), rgba(201, 162, 39, .9), rgba(201, 162, 39, .2));
}

.page-faq .faq-rail li {
  text-align: center;
}

.page-faq .faq-rail a {
  position: relative;
  display: block;
  padding-top: 34px;
  text-decoration: none;
}

.page-faq .faq-rail a::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 50%;
  width: 11px;
  height: 11px;
  margin-left: -5.5px;
  border-radius: 50%;
  background: #241B15;
  border: 1.5px solid var(--gold);
  box-shadow: 0 0 0 4px rgba(201, 162, 39, .13);
  transition: background-color .25s var(--ease), transform .25s var(--ease);
}

.page-faq .faq-rail a:hover::before,
.page-faq .faq-rail a:focus-visible::before {
  background: var(--gold);
  transform: scale(1.2);
}

.page-faq .faq-rail__year {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(17px, 3.2vw, 25px);
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--gold);
}

.page-faq .faq-rail__label {
  display: block;
  margin-top: 5px;
  font-size: 12px;
  letter-spacing: .14em;
  color: rgba(244, 236, 221, .6);
}

/* ---------- 长卷骨架 ---------- */
.page-faq .faq-shell {
  max-width: 1240px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-faq .faq-body {
  min-width: 0;
}

.page-faq .faq-toc {
  display: none;
}

.page-faq .faq-body .faq-block + .faq-block {
  border-top: 1px solid var(--line);
}

/* ---------- 章节通用 ---------- */
.page-faq .faq-block .section-head__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 2.9vw, 29px);
  line-height: 1.35;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-faq .faq-block .section-head__desc {
  margin: 12px 0 0;
  max-width: 42em;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--grey-ink);
}

.page-faq .faq-block .chapter-no {
  display: inline-flex;
  align-items: center;
  padding: 3px 12px;
  border: 1px solid rgba(140, 28, 28, .3);
  border-radius: 999px;
  background: rgba(140, 28, 28, .07);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--crimson);
}

/* ---------- 01 时间轴 ---------- */
.page-faq .faq-figure {
  margin: 28px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(150deg, #8C1C1C, #3A2420);
  box-shadow: var(--shadow-soft);
}

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

.page-faq .faq-figure figcaption {
  padding: 12px 18px 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--grey-ink);
  background: var(--paper-raised);
  border-top: 1px solid var(--line);
}

.page-faq .faq-stages {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-stage {
  position: relative;
  overflow: hidden;
  padding: 20px 20px 20px 24px;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-stage::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--crimson), var(--gold));
}

.page-faq .faq-stage__year {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--gold-deep);
}

.page-faq .faq-stage__title {
  margin: 4px 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-stage p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-faq .faq-table-wrap {
  margin-top: 30px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-raised);
}

.page-faq .faq-table-wrap:focus-visible {
  outline: 2px solid var(--crimson);
  outline-offset: 2px;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-faq .faq-table caption {
  padding: 14px 18px;
  text-align: left;
  font-size: 12.5px;
  letter-spacing: .14em;
  color: var(--grey-ink);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 14px 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  line-height: 1.7;
}

.page-faq .faq-table thead th {
  background: rgba(140, 28, 28, .07);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--crimson);
  white-space: nowrap;
}

.page-faq .faq-table tbody th {
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
}

.page-faq .faq-table tbody td {
  color: var(--ink-soft);
}

.page-faq .faq-table tbody tr:nth-child(even) {
  background: rgba(226, 215, 195, .34);
}

.page-faq .faq-table tbody tr:last-child th,
.page-faq .faq-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .faq-table__hint {
  margin: 10px 0 0;
  font-size: 12.5px;
  color: var(--grey-ink);
}

/* ---------- 02 结算步骤 ---------- */
.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  position: relative;
  padding: 20px 18px 20px 62px;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  top: 20px;
  left: 18px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--crimson);
  color: #F6EDDD;
  font-family: var(--font-display);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .02em;
}

.page-faq .faq-steps li p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-faq .faq-steps li p strong {
  color: var(--ink);
}

.page-faq .faq-callout {
  margin-top: 22px;
  padding: 22px 22px 24px;
  border: 1px solid rgba(201, 162, 39, .5);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(201, 162, 39, .14), rgba(140, 28, 28, .06));
}

.page-faq .faq-callout__lead {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--crimson);
}

.page-faq .faq-callout__list {
  list-style: none;
  margin: 12px 0 14px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-callout__list li {
  padding: 6px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(251, 246, 235, .8);
  font-size: 13.5px;
  color: var(--ink);
}

.page-faq .faq-callout p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-faq .faq-callout .btn {
  margin-top: 2px;
}

/* ---------- 03 桌台四档 ---------- */
.page-faq .faq-ladder {
  margin-top: 26px;
  display: grid;
  gap: 12px;
}

.page-faq .faq-ladder__rung {
  padding: 18px 16px 20px;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-ladder__rung--1 { border-top-color: var(--jade); }
.page-faq .faq-ladder__rung--2 { border-top-color: var(--amber-orange); }
.page-faq .faq-ladder__rung--3 { border-top-color: var(--amber-gold); }
.page-faq .faq-ladder__rung--4 { border-top-color: var(--crimson); }

.page-faq .faq-ladder__idx {
  display: block;
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--grey-ink);
}

.page-faq .faq-ladder__rung h3 {
  margin: 6px 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-ladder__rung p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-faq .faq-media {
  margin: 26px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(150deg, #EFE3CE, #E4D6BC);
}

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

/* ---------- 04 数据与折叠 ---------- */
.page-faq .faq-figures {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-faq .faq-figures .stat {
  padding: 18px 16px;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-figures .stat__num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(28px, 4.6vw, 36px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--gold-deep);
}

.page-faq .faq-figures .stat__label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--grey-ink);
}

.page-faq .faq-inline-links {
  margin: 22px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
}

.page-faq .faq-inline-links a {
  font-size: 14.5px;
  color: var(--vermilion);
  text-decoration: none;
  border-bottom: 1px solid rgba(179, 58, 43, .38);
  padding-bottom: 2px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-inline-links a:hover {
  color: var(--crimson);
  border-bottom-color: var(--crimson);
}

/* ---------- 折叠面板 ---------- */
.page-faq .panel-group {
  margin-top: 26px;
}

.page-faq .panel {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

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

.page-faq .panel > summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.65;
  color: var(--ink);
  transition: background-color .22s var(--ease);
}

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

.page-faq .panel > summary::after {
  content: "+";
  flex: none;
  margin-left: auto;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--crimson);
  font-size: 15px;
  line-height: 1;
  transition: transform .28s var(--ease), background-color .28s var(--ease), color .28s var(--ease), border-color .28s var(--ease);
}

.page-faq .panel[open] > summary {
  background: var(--faq-gold-soft);
}

.page-faq .panel[open] > summary::after {
  content: "+";
  transform: rotate(45deg);
  background: var(--crimson);
  border-color: var(--crimson);
  color: #F6EDDD;
}

.page-faq .panel > summary:focus-visible {
  outline: 2px solid var(--crimson);
  outline-offset: -2px;
}

.page-faq .panel__body {
  padding: 0 18px 18px;
}

.page-faq .panel__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--ink-soft);
}

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

/* ---------- 结尾 ---------- */
.page-faq .faq-end {
  padding-bottom: clamp(48px, 7vw, 86px);
}

.page-faq .faq-end__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 2.9vw, 28px);
  line-height: 1.35;
  color: var(--ink);
}

.page-faq .faq-end__text {
  margin: 14px 0 0;
  max-width: 42em;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--grey-ink);
}

.page-faq .faq-end__actions {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

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

@media (min-width: 760px) {
  .page-faq .faq-ladder {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-shell {
    grid-template-columns: 200px minmax(0, 1fr);
    column-gap: 58px;
  }

  .page-faq .faq-toc {
    display: block;
    position: sticky;
    top: 96px;
    align-self: start;
    padding-top: 82px;
  }

  .page-faq .faq-toc__title {
    margin: 0 0 14px;
    font-size: 11.5px;
    letter-spacing: .28em;
    color: var(--crimson);
  }

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

  .page-faq .faq-toc__list a {
    display: block;
    padding: 9px 12px;
    border-left: 2px solid var(--line);
    font-size: 13.5px;
    line-height: 1.55;
    color: var(--grey-ink);
    text-decoration: none;
    transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
  }

  .page-faq .faq-toc__list a:hover {
    color: var(--crimson);
    background: rgba(140, 28, 28, .05);
  }

  .page-faq .faq-toc__list a[aria-current="true"] {
    color: var(--ink);
    font-weight: 700;
    border-left-color: var(--gold);
    background: var(--faq-gold-soft);
  }
}

@media (max-width: 420px) {
  .page-faq .faq-hero__jump a {
    padding: 6px 12px;
    font-size: 12.5px;
  }

  .page-faq .faq-rail__label {
    font-size: 11px;
    letter-spacing: .08em;
  }

  .page-faq .faq-steps li {
    padding: 18px 16px 18px 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-rail a::before,
  .page-faq .faq-hero__jump a,
  .page-faq .faq-toc__list a,
  .page-faq .panel > summary,
  .page-faq .panel > summary::after,
  .page-faq .faq-inline-links a {
    transition: none;
  }

  .page-faq .faq-rail a:hover::before,
  .page-faq .faq-rail a:focus-visible::before {
    transform: none;
  }
}