.page-faq {
  --faq-rail: 232px;
  --faq-ink-soft: #33413C;
  --faq-amber: #8A4A14;
  --faq-hair: rgba(23, 33, 31, .16);
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

/* ---------------- 首屏 ---------------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(36px, 6vw, 92px) 0 clamp(40px, 6vw, 84px);
  background:
    radial-gradient(120% 90% at 88% 4%, rgba(16, 50, 44, .9) 0%, transparent 58%),
    linear-gradient(180deg, var(--ink-850) 0%, var(--ink-900) 100%);
  color: var(--mist);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30, 74, 65, .55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 74, 65, .55) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .8), transparent 92%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  width: min(540px, 72vw);
  aspect-ratio: 1;
  right: -12%;
  top: -32%;
  background: radial-gradient(circle, rgba(127, 216, 198, .18) 0%, transparent 68%);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.14fr) minmax(0, .86fr);
  }
}

.page-faq .faq-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(20px, 3vw, 34px);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-faq .faq-crumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid rgba(169, 186, 178, .45);
  transition: color .22s var(--ease), border-color .22s var(--ease);
}

.page-faq .faq-crumbs a:hover,
.page-faq .faq-crumbs a:focus-visible {
  color: var(--zest);
  border-color: var(--zest);
}

.page-faq .faq-crumbs [aria-current] {
  color: var(--mist);
}

.page-faq .faq-hero__kick {
  position: relative;
  display: inline-block;
  margin: 0 0 14px;
  padding-left: 32px;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--zest);
}

.page-faq .faq-hero__kick::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 22px;
  height: 2px;
  background: var(--zest);
  transform: translateY(-50%);
}

.page-faq .faq-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 5.6vw, 60px);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-faq .faq-hero__lede {
  max-width: 34em;
  margin: 0 0 24px;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.8;
  color: #C9D6D0;
}

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

.page-faq .faq-hero__chips a {
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  font-size: 13px;
  color: #D6E2DC;
  text-decoration: none;
  transition: background .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease);
}

.page-faq .faq-hero__chips a:hover,
.page-faq .faq-hero__chips a:focus-visible {
  background: var(--zest);
  border-color: var(--zest);
  color: #16210C;
  outline: none;
}

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

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  filter: saturate(.9) contrast(1.04);
  box-shadow: 0 22px 48px -28px rgba(0, 0, 0, .75);
}

.page-faq .faq-hero__figure figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--muted);
}

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

@media (min-width: 1400px) {
  .page-faq .faq-annot {
    display: block;
    position: absolute;
    top: clamp(40px, 6vw, 92px);
    right: 16px;
    writing-mode: vertical-rl;
    font-size: 12px;
    letter-spacing: .18em;
    color: var(--muted);
    opacity: .85;
  }
}

/* ---------------- 主体两栏 ---------------- */

.page-faq .faq-body {
  padding: clamp(40px, 6vw, 88px) 0 clamp(48px, 7vw, 104px);
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper) 60%, var(--paper-2) 100%);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 46px);
}

@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    align-items: start;
  }
}

.page-faq .faq-rail {
  margin: 0 0 clamp(18px, 3vw, 32px);
}

.page-faq .faq-rail__t {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .18em;
  color: #6B7A74;
}

.page-faq .faq-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-rail__list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  border-radius: var(--pill);
  background: rgba(23, 33, 31, .06);
  font-size: 14px;
  white-space: nowrap;
  color: #2C3A36;
  text-decoration: none;
  transition: background .24s var(--ease), color .24s var(--ease), border-color .24s var(--ease);
}

.page-faq .faq-rail__list a:hover,
.page-faq .faq-rail__list a:focus-visible {
  background: var(--ember);
  color: #1A1206;
  box-shadow: inset 0 0 0 1.5px rgba(23, 33, 31, .8);
  outline: none;
}

@media (min-width: 980px) {
  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--nav-h, 58px) + 20px);
    margin-bottom: 0;
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-rail__list a {
    padding: 7px 14px;
    border-radius: 0 var(--r-md) var(--r-md) 0;
    border-left: 3px solid var(--faq-hair);
    background: transparent;
    transition: background .24s var(--ease), border-color .24s var(--ease), color .24s var(--ease);
  }

  .page-faq .faq-rail__list a:hover,
  .page-faq .faq-rail__list a:focus-visible {
    background: rgba(255, 138, 61, .2);
    border-left-color: var(--ember);
    color: var(--ink);
    box-shadow: none;
  }
}

/* ---------------- 问答分组 ---------------- */

.page-faq .faq-group {
  scroll-margin-top: calc(var(--nav-h, 58px) + 24px);
  margin-bottom: clamp(26px, 4vw, 52px);
  padding-bottom: clamp(20px, 3vw, 40px);
  border-bottom: 1px dashed var(--faq-hair);
}

.page-faq .faq-group:last-child {
  margin-bottom: 0;
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: clamp(14px, 2vw, 22px);
  padding-left: 14px;
  border-left: 4px solid var(--ink-800);
}

.page-faq .faq-group__n {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--faq-amber);
}

.page-faq .faq-group__t {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 2.8vw, 29px);
  letter-spacing: -.008em;
  line-height: 1.25;
  color: var(--ink);
}

.page-faq .faq-figure {
  margin: 0 0 clamp(14px, 2vw, 22px);
  max-width: 420px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--faq-hair);
  border-radius: var(--r-md);
  object-fit: cover;
  filter: saturate(.92);
}

.page-faq .faq-figure figcaption {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.65;
  color: #5C6B65;
}

/* ---------------- 折叠问答 ---------------- */

.page-faq .faq-item {
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-item:last-of-type {
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 15px 2px;
  cursor: pointer;
  list-style: none;
  font-size: clamp(15.5px, 1.7vw, 17px);
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
  transition: color .22s var(--ease);
}

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

.page-faq .faq-item > summary:hover {
  color: var(--faq-amber);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--ink-800);
  outline-offset: 3px;
}

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

.page-faq .faq-item__chev {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin: 7px 4px 0 auto;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
  transition: transform .3s var(--ease);
}

.page-faq .faq-item[open] .faq-item__chev {
  transform: rotate(45deg);
}

.page-faq .faq-item__body {
  padding: 2px 2px 20px;
  animation: faq-drop .3s var(--ease) both;
}

@keyframes faq-drop {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-faq .faq-say {
  margin: 0 0 14px;
  padding: 12px 16px;
  background: var(--paper-2);
  border-left: 3px solid var(--ember);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .faq-steps {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--faq-ink-soft);
}

.page-faq .faq-steps .num {
  flex: 0 0 auto;
  padding: 1px 6px;
  border: 1px solid rgba(138, 74, 20, .42);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: .06em;
  color: var(--faq-amber);
}

.page-faq .faq-more {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: #5C6B65;
}

.page-faq .faq-more a,
.page-faq .faq-steps a {
  color: var(--faq-amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(138, 74, 20, .42);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-more a:hover,
.page-faq .faq-steps a:hover,
.page-faq .faq-more a:focus-visible,
.page-faq .faq-steps a:focus-visible {
  color: var(--ink-800);
  border-color: var(--ink-800);
}

/* ---------------- 兜底联系 ---------------- */

.page-faq .faq-fallback {
  position: relative;
  overflow: hidden;
  padding: clamp(44px, 6vw, 92px) 0;
  background:
    radial-gradient(90% 120% at 6% 0%, rgba(16, 50, 44, .92) 0%, transparent 62%),
    var(--ink-850);
  color: var(--mist);
}

.page-faq .faq-fallback::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(30, 74, 65, .4) 1px, transparent 1px);
  background-size: 100% 56px;
  pointer-events: none;
}

.page-faq .faq-fallback__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
}

@media (min-width: 900px) {
  .page-faq .faq-fallback__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }
}

.page-faq .faq-fallback__kick {
  display: inline-block;
  margin: 0 0 12px;
  padding-left: 30px;
  position: relative;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--ember);
}

.page-faq .faq-fallback__kick::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 20px;
  height: 2px;
  background: var(--ember);
  transform: translateY(-50%);
}

.page-faq .faq-fallback__t {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-faq .faq-fallback__p {
  max-width: 32em;
  margin: 0 0 22px;
  font-size: 15.5px;
  line-height: 1.8;
  color: #C9D6D0;
}

.page-faq .faq-fallback__list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-faq .faq-fallback__list li {
  display: grid;
  gap: 6px;
  padding: 15px 2px;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 520px) {
  .page-faq .faq-fallback__list li {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

.page-faq .faq-fallback__k {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-faq .faq-fallback__v {
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--mist);
  word-break: break-word;
}

.page-faq .faq-fallback__list a.faq-fallback__v {
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 255, 82, .5);
  transition: color .22s var(--ease), border-color .22s var(--ease);
}

.page-faq .faq-fallback__list a.faq-fallback__v:hover,
.page-faq .faq-fallback__list a.faq-fallback__v:focus-visible {
  color: var(--zest);
  border-color: var(--zest);
}

.page-faq .faq-fallback__note {
  grid-column: 1 / -1;
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-fallback__note a {
  color: var(--zest);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 255, 82, .5);
}

.page-faq .faq-fallback__note a:hover,
.page-faq .faq-fallback__note a:focus-visible {
  color: var(--mist);
  border-color: var(--mist);
}

/* ---------------- 无障碍与动效降级 ---------------- */

.page-faq .faq-item > summary:focus-visible,
.page-faq .faq-hero__chips a:focus-visible,
.page-faq .faq-rail__list a:focus-visible,
.page-faq .btn:focus-visible {
  outline: 2px solid var(--ember);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}