/* ===== 帮助问答页 · page-faq ===== */

.page-faq {
  background: var(--porcelain);
  color: var(--ink-black);
}

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

/* ---- 首屏 ---- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 32px;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -70px;
  right: -50px;
  width: 250px;
  height: 250px;
  background: var(--gold-soft);
  opacity: .45;
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-faq .faq-hero-inner {
  position: relative;
}

.page-faq .faq-hero-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gray);
}

.page-faq .faq-hero-title {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 8.4vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--ink-green);
}

.page-faq .faq-hero-lede {
  max-width: 62ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--gray);
}

.page-faq .faq-hero-side {
  display: none;
}

/* ---- 置顶指南 ---- */
.page-faq .faq-guide {
  padding: 32px 0 38px;
  background: var(--ink-green);
  color: var(--porcelain);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), 0 100%);
}

.page-faq .faq-guide-inner {
  display: grid;
  gap: 24px;
}

.page-faq .faq-guide .section-kicker {
  margin: 0;
  color: var(--gold);
}

.page-faq .faq-guide .section-title {
  margin: 6px 0 0;
  color: var(--porcelain);
}

.page-faq .faq-guide-lede {
  max-width: 62ch;
  margin: 12px 0 22px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

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

.page-faq .guide-step {
  padding: 14px 16px;
  background: rgba(247, 244, 236, .055);
  border-left: 3px solid var(--gold);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
}

.page-faq .guide-step-head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-faq .step-num {
  flex: 0 0 auto;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--ink-deep);
  background: var(--gold);
  clip-path: var(--clip-btn);
}

.page-faq .guide-step-title {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  color: var(--porcelain);
}

.page-faq .guide-actions {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .guide-actions li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .guide-actions li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-faq .guide-media {
  margin: 0;
  border: 1px solid rgba(201, 162, 74, .45);
}

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

.page-faq .guide-media .media-caption {
  margin: 0;
  padding: 9px 11px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---- 主体两栏 ---- */
.page-faq .faq-layout {
  display: grid;
  gap: 26px;
  padding-top: 42px;
  padding-bottom: 48px;
}

/* ---- 侧栏目录 ---- */
.page-faq .faq-toc {
  order: 2;
  padding: 14px 16px 16px;
  background: var(--mist);
  border-top: 3px solid var(--gold);
}

.page-faq .toc-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gray);
}

.page-faq .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .toc-list a {
  display: inline-block;
  padding-bottom: 2px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-green);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-faq .toc-list a:hover {
  color: var(--ink-deep);
  border-bottom-color: var(--gold);
}

.page-faq .toc-list a:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-faq .toc-list a.toc-out::after {
  content: " →";
  color: var(--gold);
}

/* ---- 分类切换 ---- */
.page-faq .faq-seg {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--mist);
}

.page-faq .faq-seg-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.2;
  color: var(--ink-black);
  background: var(--porcelain);
  border: 1px solid var(--mist);
  cursor: pointer;
  clip-path: var(--clip-btn);
  transition: background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-seg-btn:hover {
  border-color: var(--gold);
}

.page-faq .faq-seg-btn:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -3px;
}

.page-faq .faq-seg-btn .seg-count {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--gray);
}

.page-faq .faq-seg-btn[aria-selected="true"] {
  color: var(--porcelain);
  background: var(--ink-green);
  border-color: var(--ink-green);
}

.page-faq .faq-seg-btn[aria-selected="true"] .seg-count {
  color: var(--gold);
}

.page-faq .faq-panel-note {
  margin: 0 0 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--gray);
}

.page-faq .segment-panel[hidden] {
  display: none;
}

/* ---- 登录两步 ---- */
.page-faq .login-figure {
  margin: 0 0 18px;
}

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

.page-faq .login-figure .media-caption {
  margin: 0;
  padding: 8px 0 0;
  font-size: 12.5px;
  color: var(--gray);
}

.page-faq .step-rail {
  display: grid;
  gap: 10px;
  margin: 0 0 22px;
}

.page-faq .step-rail-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--mist);
  clip-path: var(--clip-btn);
  text-decoration: none;
  color: var(--ink-black);
}

.page-faq .step-rail-item--link:hover {
  background: var(--gold-soft);
}

.page-faq .step-rail-item--link:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -3px;
}

.page-faq .step-rail-no {
  flex: 0 0 auto;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-deep);
  background: var(--gold);
}

.page-faq .step-rail-text {
  font-size: 14.5px;
  line-height: 1.6;
}

.page-faq .step-link {
  display: none;
}

/* ---- 问答手风琴 ---- */
.page-faq .qa-list {
  display: grid;
  gap: 10px;
}

.page-faq .qa-item {
  background: var(--porcelain);
  border: 1px solid var(--mist);
  clip-path: var(--clip-cut);
}

.page-faq .qa-item[open] {
  border-color: var(--gold-soft);
}

.page-faq .qa-q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: var(--mist);
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink-black);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa-q::marker {
  content: "";
}

.page-faq .qa-no {
  flex: 0 0 auto;
  margin-top: 2px;
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--ink-green);
  background: var(--gold-soft);
}

.page-faq .qa-q-text {
  flex: 1 1 auto;
}

.page-faq .qa-q::after {
  content: "";
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-top: 7px;
  border-right: 2px solid var(--ink-green);
  border-bottom: 2px solid var(--ink-green);
  transform: rotate(45deg);
  transition: transform .2s var(--ease);
}

.page-faq .qa-item[open] .qa-q::after {
  transform: rotate(225deg);
}

.page-faq .qa-a {
  padding: 14px 16px 16px;
  background: var(--porcelain);
  border-left: 3px solid var(--gold);
}

.page-faq .qa-a p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-black);
}

.page-faq .qa-a p + p,
.page-faq .qa-a p + ol {
  margin-top: 10px;
}

.page-faq .qa-a ol {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 6px;
}

.page-faq .qa-a li {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-black);
}

/* ---- 联系与支持 ---- */
.page-faq .faq-support {
  padding: 38px 0 46px;
  background: var(--mist);
  border-top: 3px solid var(--ink-green);
}

.page-faq .faq-support-inner {
  display: grid;
  gap: 28px;
}

.page-faq .faq-support-lede {
  max-width: 58ch;
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--gray);
}

.page-faq .faq-contact-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-contact-list li {
  display: grid;
  gap: 5px;
  padding: 14px 16px;
  background: var(--porcelain);
  clip-path: var(--clip-btn);
}

.page-faq .contact-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gray);
}

.page-faq .contact-val {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--ink-green);
  word-break: break-all;
}

.page-faq .contact-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

.page-faq .faq-next {
  padding: 20px 18px 22px;
  background: var(--ink-green);
  color: var(--porcelain);
  clip-path: var(--clip-cut);
}

.page-faq .faq-next-title {
  margin: 0 0 14px;
  font-size: 16px;
  font-weight: 800;
  color: var(--gold);
}

.page-faq .faq-next ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-faq .faq-next a {
  display: inline-block;
  padding-bottom: 2px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--porcelain);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 162, 74, .45);
}

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

.page-faq .faq-next a:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

/* ---- 响应式 ---- */
@media (min-width: 700px) {
  .page-faq .faq-guide {
    padding: 40px 0 46px;
  }

  .page-faq .faq-hero {
    padding: 34px 0 40px;
  }

  .page-faq .step-rail {
    grid-template-columns: minmax(0, 1fr) 76px minmax(0, 1fr);
    align-items: center;
    gap: 0;
  }

  .page-faq .step-link {
    display: block;
    width: 100%;
    height: 30px;
    color: var(--gold);
    pointer-events: none;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-guide-inner {
    grid-template-columns: minmax(0, 1fr) 302px;
    align-items: start;
    gap: 34px;
  }

  .page-faq .faq-support-inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 44px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero-side {
    display: block;
    position: absolute;
    top: 4px;
    right: 4px;
    margin: 0;
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: .22em;
    color: var(--gold);
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 214px;
    gap: 42px;
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 74px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-seg-btn,
  .page-faq .qa-q::after {
    transition: none;
  }
}