.page-faq {
  --faq-rail-w: 232px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
}

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

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumbs {
  padding: 18px 0 6px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--ink-55);
}

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

.page-faq .breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--ink-55);
}

.page-faq .breadcrumbs a {
  color: var(--ink-70);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a[aria-current="page"] {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  background: linear-gradient(158deg, var(--deep-sea) 0%, var(--navy) 58%, var(--teal-deep) 100%);
  color: var(--paper);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(115deg, rgba(235, 208, 126, 0.07) 0 1px, transparent 1px 52px);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -120px;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(41, 224, 196, 0.16), transparent 62%);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
  padding: clamp(38px, 7vw, 82px) 0 clamp(34px, 5vw, 66px);
}

.page-faq .faq-hero .eyebrow {
  color: var(--gold-light);
  margin: 0;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6.4vw, 3.8rem);
  line-height: 1.06;
  letter-spacing: -0.01em;
  margin: 18px 0 20px;
  color: var(--paper);
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 36em;
  font-size: 1.04rem;
  line-height: 1.8;
  color: var(--paper-80);
}

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

.page-faq .faq-hero__paths a {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 14px 18px;
  color: var(--paper);
  text-decoration: none;
  background: rgba(245, 241, 232, 0.05);
  border: 1px solid var(--line-dark);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  transition: background 0.22s ease, border-color 0.22s ease;
}

.page-faq .faq-hero__paths a:hover {
  background: rgba(200, 162, 39, 0.14);
  border-color: var(--gold);
}

.page-faq .faq-hero__paths .mono {
  color: var(--gold-light);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
}

.page-faq .faq-hero__path-main {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.4;
}

.page-faq .faq-hero__path-main em {
  display: block;
  margin-top: 4px;
  font-family: var(--font-body);
  font-style: normal;
  font-weight: 400;
  font-size: 0.84rem;
  color: var(--paper-70);
}

/* ---------- 第二条速览条 ---------- */
.page-faq .faq-quickstrip {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--deep-sea);
  border-bottom: 1px solid rgba(255, 122, 89, 0.45);
}

.page-faq .faq-quickstrip__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px var(--gutter);
  text-decoration: none;
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 0.88rem;
}

.page-faq .faq-quickstrip__num {
  color: var(--coral);
  font-weight: 700;
  letter-spacing: 0.1em;
}

.page-faq .faq-quickstrip__label {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

/* ---------- 工具栏与筛选 ---------- */
.page-faq .faq-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 22px;
  align-items: center;
  justify-content: space-between;
  padding: clamp(26px, 4vw, 44px) 0 20px;
  border-bottom: 1px solid var(--line-light);
}

.page-faq .faq-toolbar__count {
  margin: 0;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-55);
}

.page-faq .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .filter-chip {
  font-family: var(--font-display);
  font-size: 0.84rem;
  font-weight: 700;
  padding: 7px 15px;
  color: var(--ink-70);
  background: transparent;
  border: 1px solid var(--line-light);
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-faq .filter-chip:hover {
  border-color: var(--teal-mid);
  color: var(--ink);
}

.page-faq .filter-chip[aria-pressed="true"] {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--paper);
}

/* ---------- 布局：侧边时间轴 + 说明块 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding-bottom: clamp(52px, 8vw, 100px);
}

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

.page-faq .faq-rail__title {
  margin: 0 0 14px;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-55);
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--line-light);
}

.page-faq .faq-rail__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  margin-left: -1px;
  padding: 11px 12px;
  border-left: 2px solid transparent;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 0.88rem;
  line-height: 1.45;
  color: var(--ink-70);
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-rail__list .mono {
  font-size: 0.72rem;
  color: var(--gold);
}

.page-faq .faq-rail__list a:hover {
  color: var(--ink);
  background: rgba(14, 46, 74, 0.06);
}

.page-faq .faq-rail__list li.is-pinned a {
  border-left-color: var(--coral);
  background: rgba(255, 122, 89, 0.09);
  color: var(--ink);
  font-weight: 700;
}

.page-faq .faq-list {
  display: grid;
  gap: 18px;
}

/* ---------- 可展开说明块 ---------- */
.page-faq .faq-item {
  position: relative;
  scroll-margin-top: 92px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line-light);
  transition: border-color 0.2s ease;
}

.page-faq .faq-item:hover {
  border-color: rgba(30, 110, 128, 0.42);
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--teal-mid);
}

.page-faq .faq-item::after {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 22px;
  height: 22px;
  background: linear-gradient(225deg, var(--paper) 47%, var(--line-light) 47%, var(--line-light) 53%, transparent 53%);
  pointer-events: none;
}

.page-faq .faq-item--pinned {
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(255, 122, 89, 0.55);
}

.page-faq .faq-item--pinned::before {
  background: var(--coral);
}

.page-faq .faq-item summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 20px 22px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .faq-item__num {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.08em;
}

.page-faq .faq-item__concl {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--ink);
}

.page-faq .faq-chev {
  width: 11px;
  height: 11px;
  border-right: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
  transform: rotate(45deg);
  transition: transform 0.25s ease;
}

.page-faq .faq-item[open] .faq-chev {
  transform: rotate(-135deg);
}

.page-faq .faq-item__body {
  padding: 0 22px 24px;
}

.page-faq .faq-lead {
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid var(--line-light);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink-82);
}

.page-faq .faq-steps {
  counter-reset: faq-step;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-faq .faq-item__body > .faq-steps,
.page-faq .faq-item__body > .faq-cases,
.page-faq .faq-item__body > .faq-channels {
  padding-top: 18px;
  border-top: 1px solid var(--line-light);
}

.page-faq .faq-steps li {
  position: relative;
  padding-left: 40px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink-82);
}

.page-faq .faq-steps li::before {
  counter-increment: faq-step;
  content: counter(faq-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 4px;
  padding: 1px 5px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--teal-mid);
  border: 1px solid var(--line-light);
}

.page-faq .faq-note {
  margin: 16px 0 0;
  padding: 12px 14px;
  background: rgba(30, 110, 128, 0.07);
  border-left: 2px solid var(--teal-mid);
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--ink-70);
}

.page-faq .faq-links {
  margin: 16px 0 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--ink-70);
}

.page-faq .faq-links a,
.page-faq .faq-version__para a {
  color: var(--navy);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
}

.page-faq .faq-links a:hover,
.page-faq .faq-version__para a:hover {
  color: var(--gold);
}

/* ---------- 第二条：版本说明板 ---------- */
.page-faq .faq-version {
  margin-top: 20px;
  padding: 5px;
  border: 1.5px solid var(--coral);
  background: rgba(255, 122, 89, 0.05);
}

.page-faq .faq-version__inner {
  border: 1.5px solid var(--navy);
  padding: clamp(16px, 3vw, 24px);
  background: rgba(245, 241, 232, 0.75);
}

.page-faq .faq-versbar {
  display: grid;
  gap: 1px;
  background: rgba(20, 22, 28, 0.14);
}

.page-faq .faq-versbar__cell {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  background: var(--navy);
  color: var(--paper);
}

.page-faq .faq-versbar__cell .mono {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-light);
}

.page-faq .faq-versbar__val {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.96rem;
  line-height: 1.45;
}

.page-faq .faq-version__text {
  margin: 16px 0 0;
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--ink-82);
}

.page-faq .faq-version__media {
  display: grid;
  gap: 20px;
  margin-top: 22px;
}

.page-faq .faq-version__para {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--ink-82);
}

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

.page-faq .faq-version__figure img {
  width: 100%;
  aspect-ratio: 1200 / 800;
  object-fit: cover;
}

/* ---------- 权益板块 ---------- */
.page-faq .faq-benefits {
  display: grid;
  gap: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line-light);
}

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

.page-faq .faq-benefits__figure img {
  width: 100%;
  aspect-ratio: 900 / 1100;
  object-fit: cover;
}

.page-faq .faq-benefits__body .faq-steps {
  padding-top: 0;
  border-top: 0;
}

/* ---------- 账户安全条目 ---------- */
.page-faq .faq-cases {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-cases li {
  padding-left: 14px;
  border-left: 2px solid var(--line-dark);
}

.page-faq .faq-cases__title {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--ink);
  margin-bottom: 4px;
}

.page-faq .faq-cases__text {
  display: block;
  font-size: 0.96rem;
  line-height: 1.75;
  color: var(--ink-70);
}

/* ---------- 联系条目 ---------- */
.page-faq .faq-channels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .faq-channels li {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  background: rgba(14, 46, 74, 0.05);
  border-left: 2px solid var(--gold);
}

.page-faq .faq-channels__label {
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal-mid);
}

.page-faq .faq-channels__value {
  font-family: var(--font-mono);
  font-size: 0.98rem;
  color: var(--ink);
  word-break: break-word;
}

.page-faq .faq-channels__desc {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ink-70);
}

/* ---------- 空态 ---------- */
.page-faq .empty-state {
  margin: 0;
  padding: 28px 22px;
  border: 1px dashed var(--line-light);
  font-family: var(--font-mono);
  font-size: 0.84rem;
  letter-spacing: 0.06em;
  color: var(--ink-55);
}

.page-faq .is-hidden {
  display: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-versbar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-version__media {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }

  .page-faq .faq-hero__paths {
    padding-bottom: 6px;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-benefits {
    grid-template-columns: minmax(0, 34%) minmax(0, 1fr);
    gap: 26px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-quickstrip {
    position: static;
  }

  .page-faq .faq-quickstrip__link {
    max-width: var(--shell);
    margin: 0 auto;
    padding: 12px var(--gutter);
    font-size: 0.92rem;
  }

  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: 54px;
    align-items: start;
  }

  .page-faq .faq-rail {
    display: block;
    position: sticky;
    top: 26px;
  }

  .page-faq .faq-item__concl {
    font-size: 1.06rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-chev,
  .page-faq .faq-hero__paths a,
  .page-faq .filter-chip,
  .page-faq .faq-item,
  .page-faq .faq-rail__list a {
    transition: none;
  }
}