.page-faq {
  --faq-step-ink: rgba(230, 244, 255, 0.72);
  --faq-hard: 6px 6px 0 0 rgba(2, 10, 20, 0.5);
  display: block;
}

.page-faq .crumbs {
  padding-top: 1.25rem;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(1.75rem, 4vw, 3.25rem) 0 clamp(1.5rem, 3vw, 2.5rem);
  border-bottom: 1px solid var(--edge);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 2rem;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.9rem, 5vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0.55rem 0 0.9rem;
  transform: rotate(-0.7deg);
  transform-origin: left center;
}

.page-faq .faq-hero .lede {
  max-width: 58ch;
  color: var(--muted);
}

.page-faq .faq-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.35rem;
}

.page-faq .faq-hero__panel {
  border: 2px solid var(--edge-strong);
  background: var(--panel);
  box-shadow: var(--faq-hard);
  padding: 1.2rem 1.3rem;
  display: grid;
  gap: 0.85rem;
  align-content: start;
}

.page-faq .faq-hero__panel-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-faq .faq-hero__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px dashed var(--edge);
}

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

.page-faq .faq-hero__key {
  color: var(--muted);
  font-size: 0.88rem;
}

.page-faq .faq-hero__val {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 1.35rem;
  line-height: 1;
  color: var(--teal);
}

/* ---------- 版式骨架 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 2rem;
  padding: clamp(2rem, 4vw, 3.5rem) 0 clamp(3rem, 6vw, 5rem);
}

.page-faq .faq-side {
  display: grid;
  gap: 1.25rem;
  align-content: start;
}

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

/* ---------- 窄栏目录 ---------- */
.page-faq .toc__link {
  display: block;
  padding: 0.4rem 0 0.4rem 0.85rem;
  border-left: 2px solid var(--edge);
  font-size: 0.94rem;
  line-height: 1.5;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur) ease, border-color var(--dur) ease, padding-left var(--dur) ease;
}

.page-faq .toc__link:hover,
.page-faq .toc__link:focus-visible {
  color: var(--ink);
  border-left-color: var(--edge-strong);
  padding-left: 1.05rem;
}

.page-faq .toc__link[aria-current="true"] {
  color: var(--teal);
  border-left-color: var(--teal);
  font-weight: 700;
}

.page-faq .faq-side__card {
  border: 2px solid var(--edge-strong);
  background: linear-gradient(155deg, rgba(0, 224, 184, 0.14), rgba(14, 42, 74, 0.85));
  padding: 1.1rem 1.15rem;
  box-shadow: var(--faq-hard);
}

.page-faq .faq-side__figure {
  margin: 0 0 0.4rem;
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}

.page-faq .faq-side__num {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 2.9rem;
  line-height: 1;
  color: var(--orange);
}

.page-faq .faq-side__unit {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ink);
}

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

/* ---------- 内容区块 ---------- */
.page-faq .faq-block {
  margin-bottom: clamp(2.75rem, 5.5vw, 5rem);
}

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

.page-faq .faq-block > h2 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.2vw, 2.25rem);
  line-height: 1.22;
  margin: 0.45rem 0 0.85rem;
}

.page-faq .faq-block > p {
  max-width: 64ch;
  color: var(--muted);
  margin: 0 0 1.25rem;
}

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

/* ---------- 自检步骤 ---------- */
.page-faq .check-list {
  counter-reset: check;
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-faq .check-step {
  position: relative;
  counter-increment: check;
  padding: 1.15rem 1.25rem 1.15rem 3.9rem;
  border: 2px solid var(--edge-strong);
  border-left: 6px solid var(--teal);
  background: rgba(14, 42, 74, 0.6);
  box-shadow: 5px 5px 0 0 rgba(2, 10, 20, 0.4);
  transition: transform var(--dur) ease, border-left-color var(--dur) ease;
}

.page-faq .check-step::before {
  content: counter(check, decimal-leading-zero);
  position: absolute;
  left: 1.15rem;
  top: 1.1rem;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 1.75rem;
  line-height: 1;
  color: var(--orange);
}

.page-faq .check-step:hover {
  transform: translate(-3px, -3px);
  border-left-color: var(--orange);
}

.page-faq .check-step__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.05rem;
  line-height: 1.4;
  margin: 0 0 0.35rem;
}

.page-faq .check-step__desc {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.72;
  color: var(--faq-step-ink);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 1.75rem 0 0;
}

.page-faq .faq-figure .media-frame {
  border: 2px solid var(--edge-strong);
  background: var(--panel);
  box-shadow: var(--faq-hard);
}

.page-faq .faq-figure .media-frame__inner {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-faq .faq-figure .media-frame__caption {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 入口核对清单 ---------- */
.page-faq .fact-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-faq .fact-list li {
  position: relative;
  padding-left: 1.9rem;
  color: var(--faq-step-ink);
  line-height: 1.72;
  font-size: 0.95rem;
}

.page-faq .fact-list li::before {
  content: "";
  position: absolute;
  left: 0.1rem;
  top: 0.6rem;
  width: 0.72rem;
  height: 0.72rem;
  border: 2px solid var(--teal);
  transform: rotate(45deg);
}

/* ---------- 浅色对照卡 ---------- */
.page-faq .faq-sheet {
  margin-top: 1.5rem;
  background: var(--paper);
  color: var(--navy);
  border: 2px solid var(--edge-strong);
  box-shadow: var(--faq-hard);
  padding: clamp(1.25rem, 3vw, 2rem);
}

.page-faq .faq-sheet h3 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.1rem;
  margin: 0 0 0.4rem;
  color: var(--navy);
}

.page-faq .faq-sheet__steps {
  counter-reset: sub;
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-faq .faq-sheet__steps li {
  counter-increment: sub;
  position: relative;
  padding-left: 2.3rem;
  color: var(--graphite);
  line-height: 1.72;
  font-size: 0.95rem;
}

.page-faq .faq-sheet__steps li::before {
  content: counter(sub);
  position: absolute;
  left: 0;
  top: 0.15rem;
  width: 1.55rem;
  height: 1.55rem;
  display: grid;
  place-items: center;
  border: 2px solid var(--navy);
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--navy);
}

.page-faq .faq-sheet__foot {
  margin: 1.1rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px solid rgba(7, 27, 51, 0.16);
  color: var(--graphite);
  font-size: 0.9rem;
  line-height: 1.7;
}

.page-faq .faq-sheet .link {
  color: #0F5BD8;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 服务范围与账号 ---------- */
.page-faq .scope-grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.page-faq .scope-card {
  border: 2px solid var(--edge-strong);
  background: linear-gradient(160deg, rgba(14, 42, 74, 0.92), rgba(7, 27, 51, 0.92));
  padding: clamp(1.2rem, 2.6vw, 1.7rem);
  box-shadow: 5px 5px 0 0 rgba(2, 10, 20, 0.42);
  display: grid;
  align-content: start;
}

.page-faq .scope-card--accent {
  border-color: var(--teal);
  background: linear-gradient(160deg, rgba(0, 224, 184, 0.13), rgba(7, 27, 51, 0.94));
}

.page-faq .scope-card__label {
  margin: 0 0 0.5rem;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-faq .scope-card__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.2rem;
  line-height: 1.45;
  margin: 0 0 0.65rem;
}

.page-faq .scope-card__desc {
  margin: 0;
  color: var(--faq-step-ink);
  font-size: 0.94rem;
  line-height: 1.75;
}

.page-faq .scope-card__meta {
  margin: 0.9rem 0 1.1rem;
  font-size: 0.86rem;
  color: var(--teal);
  font-family: var(--font-num);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-faq .scope-card .btn {
  justify-self: start;
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa-stack {
  margin-top: 1.5rem;
  display: grid;
  gap: 0.7rem;
}

.page-faq .qa {
  border: 2px solid var(--edge-strong);
  background: rgba(14, 42, 74, 0.55);
  transition: border-color var(--dur) ease, background-color var(--dur) ease;
}

.page-faq .qa[open] {
  border-color: var(--teal);
  background: rgba(14, 42, 74, 0.82);
}

.page-faq .qa__q {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  padding: 1rem 1.15rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--ink);
}

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

.page-faq .qa__q::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--teal);
}

.page-faq .qa[open] .qa__q::after {
  content: "–";
  color: var(--orange);
}

.page-faq .qa__idx {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--orange);
  flex: none;
}

.page-faq .qa__a {
  padding: 0 1.15rem 1.15rem;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.75;
  max-width: 70ch;
}

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

/* ---------- 人工协助 ---------- */
.page-faq .reach-box {
  margin-top: 0.5rem;
  border: 3px solid var(--orange);
  background: rgba(255, 107, 44, 0.07);
  padding: clamp(1.25rem, 3vw, 2rem);
  box-shadow: var(--faq-hard);
}

.page-faq .reach-box__list {
  list-style: none;
  margin: 0 0 1.4rem;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-faq .reach-box__list li {
  position: relative;
  padding-left: 1.6rem;
  color: var(--ink);
  font-size: 0.94rem;
  line-height: 1.7;
}

.page-faq .reach-box__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62rem;
  width: 0.7rem;
  height: 2px;
  background: var(--orange);
}

.page-faq .reach-channels {
  list-style: none;
  margin: 0;
  padding: 1.1rem 0 0;
  border-top: 1px solid rgba(169, 196, 221, 0.32);
  display: grid;
  gap: 0.75rem;
}

.page-faq .reach-channels__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1.25rem;
}

.page-faq .reach-channels__key {
  color: var(--muted);
  font-size: 0.88rem;
}

.page-faq .reach-channels__val {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--teal);
}

.page-faq .reach-box__foot {
  margin: 1.2rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px solid rgba(169, 196, 221, 0.28);
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.7;
}

.page-faq .reach-box__foot .link {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.75rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .scope-grid {
    grid-template-columns: 7fr 5fr;
  }

  .page-faq .faq-figure--offset {
    max-width: 78%;
    margin-left: auto;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(2rem, 4vw, 4rem);
    align-items: end;
  }

  .page-faq .faq-hero__panel {
    transform: translateY(-0.5rem);
  }

  .page-faq .faq-figure {
    max-width: 82%;
  }

  .page-faq .faq-figure--offset {
    max-width: 62%;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(2.5rem, 5vw, 5rem);
    align-items: start;
  }

  .page-faq .faq-side {
    position: sticky;
    top: calc(var(--header-h) + 2rem);
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-sheet {
    max-width: 88%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .check-step,
  .page-faq .qa,
  .page-faq .toc__link {
    transition: none;
  }

  .page-faq .check-step:hover {
    transform: none;
  }

  .page-faq .faq-hero h1 {
    transform: none;
  }
}