.page-faq {
  --faq-line: rgba(110, 90, 46, 0.34);
  --faq-line-soft: rgba(110, 90, 46, 0.18);
  --faq-panel: rgba(22, 24, 28, 0.66);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-faq .crumbs {
  padding-top: clamp(14px, 3vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-faq .help-hero {
  display: grid;
  gap: clamp(24px, 4vw, 42px);
  padding-top: clamp(18px, 3.5vw, 34px);
  padding-bottom: clamp(30px, 5vw, 56px);
}

.page-faq .help-hero__title {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(38px, 7.2vw, 82px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--ivory);
}

.page-faq .help-hero__lede {
  max-width: 56ch;
  margin: 0;
  color: var(--sand);
  line-height: 1.85;
}

.page-faq .help-hero__side {
  display: grid;
  gap: 16px;
}

.page-faq .vertical-note {
  display: none;
}

.page-faq .help-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 18px;
  border: 1px solid var(--faq-line);
  background: var(--faq-panel);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-faq .help-stats__item dt {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold-mist);
}

.page-faq .help-stats__item dd {
  margin: 6px 0 0;
  font-size: 21px;
  line-height: 1.2;
  color: var(--gold-bright);
}

@media (min-width: 960px) {
  .page-faq .help-hero {
    grid-template-columns: minmax(0, 1fr) 224px;
    align-items: start;
  }

  .page-faq .help-hero__side {
    padding-top: 18px;
    border-left: 1px solid var(--faq-line-soft);
    padding-left: 18px;
  }

  .page-faq .vertical-note {
    display: block;
    align-self: flex-start;
    margin: 0 auto;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.24em;
    color: var(--gold-mist);
  }
}

/* ---------- 搜索 ---------- */
.page-faq .help-search {
  margin-top: clamp(24px, 3.4vw, 34px);
}

.page-faq .help-search__label {
  display: block;
  margin-bottom: 10px;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--sand);
}

.page-faq .help-search__field {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 14px 18px;
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--gold);
  background: linear-gradient(180deg, #15171d, #0e1014);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
  transition: border-color 0.3s var(--ease);
}

.page-faq .help-search__field:focus-within {
  border-color: rgba(227, 193, 107, 0.72);
}

.page-faq .help-search__input {
  flex: 1 1 230px;
  min-width: 0;
  padding: 6px 0;
  border: 0;
  background: transparent;
  color: var(--ivory);
  font-family: var(--font-body);
  font-size: 16px;
}

.page-faq .help-search__input::placeholder {
  color: rgba(216, 203, 179, 0.6);
}

.page-faq .help-search__input:focus {
  outline: none;
}

.page-faq .help-search__meta {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold);
  white-space: nowrap;
}

.page-faq .help-hot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .help-hot a {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--faq-line);
  color: var(--sand);
  font-size: 13px;
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-faq .help-hot a:hover {
  color: var(--gold-bright);
  border-color: rgba(227, 193, 107, 0.55);
  background: rgba(184, 145, 47, 0.08);
}

/* ---------- 章节头 ---------- */
.page-faq .sec-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  margin-bottom: 10px;
}

.page-faq .sec-no {
  font-size: 13px;
  color: var(--gold);
}

.page-faq .sec-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 3vw, 30px);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ivory);
}

.page-faq .sec-lede {
  max-width: 62ch;
  margin: 6px 0 22px;
  color: var(--sand);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 主题入口 ---------- */
.page-faq .topics {
  border-top: 1px solid var(--faq-line);
}

.page-faq .topic {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 6px 16px;
  align-items: center;
  padding: 16px 14px;
  border-bottom: 1px solid var(--faq-line);
  color: inherit;
  text-decoration: none;
  transition: background 0.28s var(--ease), padding-left 0.28s var(--ease);
}

.page-faq .topic:hover {
  background: rgba(184, 145, 47, 0.07);
  padding-left: 22px;
}

.page-faq .topic__idx {
  grid-row: 1;
  grid-column: 1;
  font-size: 13px;
  color: var(--gold);
}

.page-faq .topic__name {
  grid-row: 1;
  grid-column: 2;
  font-family: var(--font-display);
  font-size: 19px;
  color: var(--ivory);
}

.page-faq .topic__desc {
  grid-row: 2;
  grid-column: 2 / 3;
  font-size: 14px;
  line-height: 1.65;
  color: var(--sand);
}

.page-faq .topic__arrow {
  grid-row: 1;
  grid-column: 3;
  font-family: var(--font-mono);
  color: var(--gold-mist);
}

@media (min-width: 820px) {
  .page-faq .topic {
    grid-template-columns: 58px 200px minmax(0, 1fr) 36px;
    column-gap: 20px;
    padding: 18px 16px;
  }

  .page-faq .topic__name {
    grid-column: 2;
  }

  .page-faq .topic__desc {
    grid-row: 1;
    grid-column: 3;
  }

  .page-faq .topic__arrow {
    grid-column: 4;
  }
}

/* ---------- 手册主体 ---------- */
.page-faq .manual {
  display: grid;
  gap: clamp(22px, 4vw, 46px);
  padding-top: clamp(14px, 3vw, 26px);
}

.page-faq .manual-nav {
  border-top: 1px solid var(--faq-line);
  padding-top: 14px;
}

.page-faq .manual-nav__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold-mist);
}

.page-faq .manual-nav__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
}

.page-faq .manual-nav__list a {
  display: flex;
  gap: 8px;
  align-items: baseline;
  padding: 6px 12px;
  border: 1px solid var(--faq-line);
  color: var(--sand);
  font-size: 14px;
  white-space: nowrap;
  text-decoration: none;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .manual-nav__list a:hover {
  color: var(--gold-bright);
  border-color: rgba(227, 193, 107, 0.55);
}

.page-faq .manual-nav__list .mono {
  font-size: 12px;
  color: var(--gold);
}

@media (min-width: 960px) {
  .page-faq .manual {
    grid-template-columns: 212px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
    align-items: start;
  }

  .page-faq .manual-nav {
    position: sticky;
    top: 96px;
    border-top: 0;
    border-left: 2px solid var(--gold-mist);
    padding: 4px 0 4px 18px;
  }

  .page-faq .manual-nav__list {
    display: grid;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .manual-nav__list a {
    padding: 9px 0;
    border: 0;
    border-bottom: 1px solid var(--faq-line-soft);
    white-space: normal;
    font-size: 14px;
  }
}

/* ---------- 章节内容 ---------- */
.page-faq .manual-sec {
  padding: clamp(24px, 4vw, 44px) 0;
  border-top: 1px solid var(--faq-line);
}

.page-faq .manual-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .sub-title {
  margin: 30px 0 12px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--gold-bright);
}

.page-faq .sub-title::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 2px;
  margin-right: 10px;
  vertical-align: middle;
  background: var(--gold);
}

/* ---------- 文档目录 ---------- */
.page-faq .docs {
  display: grid;
  gap: 24px;
}

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

.page-faq .docs__fig .media-frame__img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .docs__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .docs__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(110, 90, 46, 0.3);
}

.page-faq .docs__list li:first-child {
  padding-top: 0;
}

.page-faq .docs__no {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold);
  padding-top: 3px;
}

.page-faq .docs__name {
  margin: 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--ivory);
}

.page-faq .docs__desc {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--sand);
}

.page-faq .docs__note {
  margin: 24px 0 0;
  padding: 16px 18px;
  border-left: 2px solid var(--jade);
  background: rgba(46, 107, 94, 0.1);
  font-size: 14px;
  line-height: 1.8;
  color: var(--sand);
}

@media (min-width: 780px) {
  .page-faq .docs {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }
}

/* ---------- 问答布局 ---------- */
.page-faq .qa-layout {
  display: grid;
  gap: 22px;
}

.page-faq .qa-layout__fig {
  margin: 0;
}

.page-faq .qa-layout__fig .media-frame__img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

@media (min-width: 820px) {
  .page-faq .qa-layout {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1fr);
    gap: 30px;
    align-items: start;
  }

  .page-faq .qa-layout__fig {
    position: sticky;
    top: 96px;
  }
}

.page-faq .qa-list {
  display: grid;
  gap: 10px;
}

.page-faq .qa {
  border: 1px solid var(--faq-line);
  background: var(--faq-panel);
  clip-path: polygon(0 0, calc(100% - var(--cut-sm)) 0, 100% var(--cut-sm), 100% 100%, 0 100%);
  transition: border-color 0.28s var(--ease);
}

.page-faq .qa[open] {
  border-color: rgba(184, 145, 47, 0.5);
}

.page-faq .qa__q {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--ivory);
}

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

.page-faq .qa__q:hover {
  color: var(--gold-bright);
}

.page-faq .qa__mark {
  position: relative;
  flex: 0 0 14px;
  width: 14px;
  height: 14px;
  margin-top: 6px;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  background: var(--gold);
}

.page-faq .qa__mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .qa__mark::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
  transition: transform 0.22s var(--ease);
}

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

.page-faq .qa__a {
  padding: 0 18px 18px 44px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--sand);
}

.page-faq .qa__a p {
  margin: 0 0 10px;
}

.page-faq .qa__a p:last-child {
  margin-bottom: 0;
}

.page-faq .qa__a a {
  color: var(--gold-bright);
  text-decoration: none;
  border-bottom: 1px solid rgba(227, 193, 107, 0.42);
}

.page-faq .qa__a a:hover {
  border-bottom-color: var(--gold-bright);
}

/* ---------- 仍未解决 ---------- */
.page-faq .help-contact {
  display: grid;
  gap: 20px;
}

.page-faq .contact-item {
  padding-top: 16px;
  border-top: 2px solid var(--gold);
}

.page-faq .contact-item__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold-mist);
}

.page-faq .contact-item__value {
  margin: 8px 0 10px;
  font-size: 17px;
  line-height: 1.4;
  color: var(--gold-bright);
  word-break: break-all;
}

.page-faq .contact-item__value--text {
  font-family: var(--font-display);
  color: var(--ivory);
}

.page-faq .contact-item__desc {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--sand);
}

.page-faq .contact-item .copy-btn,
.page-faq .contact-item .btn {
  margin-top: 2px;
}

.page-faq .help-contact__note {
  margin: 24px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--faq-line-soft);
  font-size: 13px;
  line-height: 1.8;
  color: var(--gold-mist);
}

@media (min-width: 780px) {
  .page-faq .help-contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }
}