.page-faq {
  background: var(--sand-cream);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(1.4rem, 3.5vw, 2.2rem) 0 clamp(2.6rem, 6vw, 4.2rem);
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 90% 6%, rgba(240, 180, 74, 0.22), transparent 58%),
    var(--sand-cream);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -14%;
  right: -20%;
  width: min(780px, 92vw);
  height: 140%;
  background: var(--sand-paper);
  clip-path: polygon(26% 0, 100% 0, 100% 100%, 0 100%);
  z-index: 0;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--grain);
  opacity: 0.55;
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.4rem);
  margin-top: clamp(1.2rem, 4vw, 2.2rem);
}

.page-faq .faq-hero h1 {
  margin: 0.45rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.85rem, 5.6vw, 3.3rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  max-width: 20ch;
}

.page-faq .faq-hero .lead {
  margin: 1rem 0 0;
  max-width: 60ch;
  font-size: var(--step0);
  line-height: 1.78;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.4rem;
}

.page-faq .faq-hero__figure {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.page-faq .faq-hero__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(3.6rem, 15vw, 8rem);
  line-height: 0.84;
  letter-spacing: -0.05em;
  color: var(--grape);
}

.page-faq .faq-hero__cap {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: 0.04em;
  color: var(--poplar-ink);
}

@media (min-width: 880px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 0.58fr);
    align-items: end;
  }
  .page-faq .faq-hero__figure {
    align-items: flex-end;
    text-align: right;
    padding-bottom: 0.4rem;
  }
}

/* ---------- 目录总览 ---------- */
.page-faq .faq-tree {
  padding: clamp(2.4rem, 6vw, 4rem) 0;
}

.page-faq .faq-tree__grid {
  display: grid;
  gap: clamp(1.8rem, 4vw, 3rem);
}

.page-faq .faq-tree__intro {
  margin: 0.8rem 0 0;
  max-width: 62ch;
  font-size: var(--step0);
  line-height: 1.78;
  color: var(--ink);
}

.page-faq .faq-tree__list {
  list-style: none;
  margin: clamp(1.4rem, 3.5vw, 2.2rem) 0 0;
  padding: 0;
}

.page-faq .faq-tree__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 0.9rem;
  padding: 0.85rem 0 0.85rem 0.95rem;
  border-left: 2px dashed rgba(201, 146, 47, 0.6);
}

.page-faq .faq-tree__item:hover {
  border-left-color: var(--poplar);
}

.page-faq .faq-tree__no {
  grid-column: 1;
  grid-row: 1 / span 2;
  padding-top: 0.15rem;
  font-family: var(--font-mono);
  font-size: var(--step1);
  font-weight: 700;
  color: var(--dune);
}

.page-faq .faq-tree__name {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--step1);
  line-height: 1.4;
  color: var(--ink);
}

.page-faq .faq-tree__meta {
  display: inline-block;
  margin-left: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--grape);
  white-space: nowrap;
}

.page-faq .faq-tree__desc {
  grid-column: 2;
  grid-row: 2;
  margin: 0.25rem 0 0;
  font-size: 0.94rem;
  line-height: 1.72;
  color: var(--stone);
}

.page-faq .faq-tree__time {
  display: inline-block;
  margin-left: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--teal);
  white-space: nowrap;
}

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

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

@media (min-width: 920px) {
  .page-faq .faq-tree__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }
  .page-faq .faq-tree__figure {
    position: sticky;
    top: calc(var(--bar-h) + 1.4rem);
  }
}

/* ---------- 休息区 ---------- */
.page-faq .faq-rest {
  background: var(--sand-paper);
  padding: clamp(2rem, 5vw, 3.2rem) 0;
}

.page-faq .faq-rest__box {
  border-left: 6px solid var(--dune);
  padding-left: clamp(1rem, 3vw, 1.7rem);
}

.page-faq .faq-rest__q {
  margin: 0.4rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--step1);
  line-height: 1.45;
}

.page-faq .faq-rest__a {
  margin: 0.6rem 0 0;
  max-width: 64ch;
  font-size: var(--step0);
  line-height: 1.8;
  color: var(--ink);
}

/* ---------- 问答区 ---------- */
.page-faq .faq-q {
  padding: clamp(2.6rem, 6vw, 4.2rem) 0;
}

.page-faq .faq-q__grid {
  display: grid;
  gap: clamp(1.6rem, 3.5vw, 2.4rem);
  margin-top: clamp(1.4rem, 3.5vw, 2.2rem);
}

/* 左侧目录树 */
.page-faq .faq-nav__title {
  margin: 0 0 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-faq .faq-nav__group {
  margin-bottom: 0.4rem;
  background: var(--sand-paper);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}

.page-faq .faq-nav__group[open] {
  background: #fffdf8;
}

.page-faq .faq-nav__sum {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.72rem 0.95rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.98rem;
  color: var(--ink);
}

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

.page-faq .faq-nav__sum::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.02rem;
  line-height: 1;
  color: var(--grape);
}

.page-faq .faq-nav__group[open] .faq-nav__sum::after {
  content: "−";
  color: var(--poplar);
}

.page-faq .faq-nav__sum:focus-visible {
  outline: 2px solid var(--glow);
  outline-offset: -2px;
}

.page-faq .faq-nav__idx {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--grape);
}

.page-faq .faq-nav__group[open] .faq-nav__idx {
  color: var(--poplar);
  font-weight: 700;
}

.page-faq .faq-nav__list {
  list-style: none;
  margin: 0;
  padding: 0 0.95rem 0.9rem 2.2rem;
  display: grid;
  gap: 0.36rem;
  position: relative;
}

.page-faq .faq-nav__list::before {
  content: "";
  position: absolute;
  left: 1.35rem;
  top: 0;
  bottom: 1.3rem;
  border-left: 1px dashed rgba(201, 146, 47, 0.7);
}

.page-faq .faq-nav__list li {
  position: relative;
  font-size: 0.88rem;
  line-height: 1.62;
  color: var(--ink);
  padding-left: 0.15rem;
}

.page-faq .faq-nav__list li::before {
  content: "";
  position: absolute;
  left: -0.86rem;
  top: 0.62em;
  width: 7px;
  height: 7px;
  background: var(--dune);
  transform: rotate(45deg);
}

.page-faq .faq-nav__list li.faq-nav__more::before {
  display: none;
}

.page-faq .faq-nav__jump {
  display: inline-block;
  margin-top: 0.3rem;
  font-size: 0.86rem;
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-nav__jump:hover {
  color: var(--poplar);
}

.page-faq .faq-nav__foot {
  margin: 1rem 0 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--stone);
}

.page-faq .faq-nav__foot a {
  color: var(--teal);
}

@media (min-width: 900px) {
  .page-faq .faq-q__grid {
    grid-template-columns: minmax(0, 292px) minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.4rem);
    align-items: start;
  }
  .page-faq .faq-q__aside {
    position: sticky;
    top: calc(var(--bar-h) + 1rem);
  }
}

/* 右侧问答 */
.page-faq .faq-group + .faq-group {
  margin-top: clamp(1.6rem, 4vw, 2.4rem);
}

.page-faq .faq-group__title {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin: 0 0 0.8rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--step1);
  line-height: 1.4;
  color: var(--ink);
}

.page-faq .faq-group__no {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: var(--grape);
}

.page-faq .faq-item {
  margin-bottom: 0.5rem;
  background: rgba(255, 255, 255, 0.5);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-faq .faq-item[open] {
  background: #fffdf8;
}

.page-faq .faq-item summary {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.85rem 1rem;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--ink);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--grape);
  font-size: 1rem;
}

.page-faq .faq-item[open] summary::after {
  content: "−";
  color: var(--poplar);
}

.page-faq .faq-item summary:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--glow);
}

.page-faq .faq-item__a {
  padding: 0 1rem 0.95rem 1rem;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--ink);
}

.page-faq .faq-item__a p {
  margin: 0 0 0.4rem;
  max-width: 66ch;
}

.page-faq .faq-item__a strong {
  font-weight: 800;
  color: var(--poplar-ink);
}

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

.page-faq .faq-item__a a:hover {
  color: var(--poplar);
}

/* ---------- 版本对照 ---------- */
.page-faq .faq-ver {
  padding: clamp(2.6rem, 6vw, 4rem) 0 clamp(2rem, 5vw, 3rem);
  background: linear-gradient(180deg, rgba(234, 223, 200, 0) 0%, rgba(234, 223, 200, 0.55) 100%);
}

.page-faq .faq-ver__scroll {
  margin-top: clamp(1.2rem, 3vw, 1.8rem);
  overflow-x: auto;
}

.page-faq .faq-ver__table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.page-faq .faq-ver__caption {
  caption-side: bottom;
  padding-top: 0.7rem;
  text-align: left;
  font-size: 0.8rem;
  color: var(--stone);
}

.page-faq .faq-ver__table thead th {
  padding: 0.72rem 0.95rem;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--stone);
  background: var(--sand-paper);
}

.page-faq .faq-ver__table tbody td,
.page-faq .faq-ver__table tbody th {
  padding: 0.85rem 0.95rem;
  text-align: left;
  vertical-align: top;
  line-height: 1.66;
  font-weight: 400;
}

.page-faq .faq-ver__table tbody tr:nth-child(even) {
  background: rgba(234, 223, 200, 0.42);
}

.page-faq .faq-ver__table tbody tr.is-current {
  background: rgba(217, 96, 44, 0.08);
}

.page-faq .faq-ver__table tbody tr.is-current td:first-child,
.page-faq .faq-ver__table tbody tr.is-current th:first-child {
  box-shadow: inset 4px 0 0 var(--poplar);
}

.page-faq .faq-ver__copy {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border: 1px dashed var(--grape);
  background: transparent;
  color: var(--grape);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
}

.page-faq .faq-ver__copy:hover {
  background: rgba(138, 63, 166, 0.1);
}

.page-faq .faq-ver__copy:focus-visible {
  outline: 2px solid var(--glow);
  outline-offset: 2px;
}

.page-faq .faq-ver__status {
  min-height: 1.2rem;
  margin: 0.6rem 0 0;
  font-size: 0.84rem;
  color: var(--teal);
}

.page-faq .faq-ver__figure {
  margin: clamp(1.6rem, 4vw, 2.4rem) 0 0;
}

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

/* ---------- 检索与反馈 ---------- */
.page-faq .faq-search {
  padding: clamp(2.4rem, 6vw, 3.8rem) 0;
}

.page-faq .faq-search__grid {
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.2rem);
}

.page-faq .faq-search__col .prose {
  margin: 0.8rem 0 0;
  max-width: 62ch;
  line-height: 1.8;
}

.page-faq .faq-search__col--paper {
  background: var(--sand-paper);
  padding: clamp(1.3rem, 4vw, 2rem);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-faq .faq-search__tips,
.page-faq .faq-search__check {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-faq .faq-search__tips li,
.page-faq .faq-search__check li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 0.93rem;
  line-height: 1.72;
  color: var(--ink);
}

.page-faq .faq-search__tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  background: var(--teal);
  transform: rotate(45deg);
}

.page-faq .faq-search__check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  background: var(--dune);
  transform: rotate(45deg);
}

.page-faq .faq-search__link {
  margin: 1.1rem 0 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--stone);
}

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

@media (min-width: 860px) {
  .page-faq .faq-search__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 人工支持 ---------- */
.page-faq .faq-help-wrap {
  padding: 0 0 clamp(2.6rem, 6vw, 4rem);
}

.page-faq .faq-help {
  background: var(--poplar-ink);
  color: var(--sand-cream);
  padding: clamp(1.8rem, 5vw, 3rem);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 34px), calc(100% - 34px) 100%, 0 100%);
}

.page-faq .faq-help .section__title {
  color: var(--sand-cream);
  margin: 0.5rem 0 0;
}

.page-faq .faq-help .eyebrow--invert {
  color: var(--glow);
}

.page-faq .faq-help__lead {
  margin: 0.8rem 0 0;
  max-width: 60ch;
  font-size: var(--step0);
  line-height: 1.8;
  color: rgba(246, 239, 225, 0.86);
}

.page-faq .faq-help__contacts {
  display: grid;
  gap: 0.7rem;
  margin-top: 1.4rem;
}

.page-faq .faq-help__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 0.8rem;
}

.page-faq .faq-help__label {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: rgba(246, 239, 225, 0.62);
}

.page-faq .faq-help__value {
  font-size: 0.96rem;
  color: var(--sand-cream);
  word-break: break-all;
}

.page-faq .faq-help__copy {
  padding: 0.24rem 0.7rem;
  border: 1px solid rgba(246, 239, 225, 0.42);
  background: transparent;
  color: var(--glow);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  cursor: pointer;
}

.page-faq .faq-help__copy:hover {
  background: rgba(240, 180, 74, 0.14);
}

.page-faq .faq-help__copy:focus-visible {
  outline: 2px solid var(--glow);
  outline-offset: 2px;
}

.page-faq .faq-help__status {
  min-height: 1.1rem;
  margin: 0;
  font-size: 0.82rem;
  color: var(--glow);
}

.page-faq .faq-help__sub {
  margin: clamp(1.5rem, 4vw, 2.2rem) 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--step0);
  color: var(--sand-cream);
}

.page-faq .faq-help__list {
  margin: 0.8rem 0 0;
  padding-left: 1.15rem;
  display: grid;
  gap: 0.45rem;
  font-size: 0.92rem;
  line-height: 1.76;
  color: rgba(246, 239, 225, 0.86);
}

.page-faq .faq-help__list li::marker {
  color: var(--glow);
  font-family: var(--font-mono);
}

.page-faq .faq-help__btn {
  margin-top: clamp(1.4rem, 4vw, 2rem);
  color: var(--sand-cream);
  border-color: rgba(246, 239, 225, 0.5);
}

.page-faq .faq-help__btn:hover {
  border-color: var(--glow);
  color: var(--glow);
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tree__item:hover,
  .page-faq .faq-help__copy:hover {
    transition: none;
  }
}
<<<END>>>