.page-faq {
  --faq-gap: clamp(52px, 7vw, 100px);
  background: var(--c-paper);
  color: var(--c-charcoal);
  padding-top: var(--header-gap);
  padding-bottom: clamp(48px, 6vw, 88px);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  background:
    radial-gradient(900px 420px at 80% -12%, rgba(53, 224, 208, .16), transparent 70%),
    radial-gradient(700px 380px at 6% 112%, rgba(242, 181, 68, .13), transparent 72%),
    var(--c-ink);
  color: var(--c-cream);
  padding: clamp(26px, 4vw, 46px) 0 clamp(40px, 6vw, 76px);
  border-bottom-left-radius: var(--radius-panel);
  border-bottom-right-radius: var(--radius-panel);
}

.page-faq .faq-hero .breadcrumb-item {
  font-size: .78rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-slate);
}

.page-faq .faq-hero .breadcrumb-link {
  color: var(--c-slate);
  text-decoration: none;
}

.page-faq .faq-hero .breadcrumb-link:hover,
.page-faq .faq-hero .breadcrumb-link:focus-visible {
  color: var(--c-cyan);
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: 22px;
  margin-top: clamp(18px, 3vw, 34px);
}

.page-faq .faq-hero-main .eyebrow {
  color: var(--c-cyan);
}

.page-faq .faq-hero .h-display {
  color: var(--c-cream);
  font-family: var(--font-sans);
  font-weight: 800;
  letter-spacing: .02em;
  line-height: 1.1;
  margin: .35em 0 .55em;
}

.page-faq .faq-mark {
  font-style: normal;
  color: var(--c-cyan);
  box-shadow: inset 0 -.32em 0 rgba(53, 224, 208, .22);
}

.page-faq .faq-lead {
  max-width: 62ch;
  margin: 0;
  color: rgba(251, 248, 242, .84);
  font-size: clamp(.95rem, 1.05vw, 1.06rem);
  line-height: 1.78;
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.page-faq .faq-chip {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--ink-line-cyan);
  border-radius: 999px;
  color: var(--c-cream);
  font-size: .85rem;
  text-decoration: none;
  transition: background-color .25s ease, color .25s ease, border-color .25s ease;
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  background: var(--c-cyan);
  border-color: var(--c-cyan);
  color: var(--c-ink);
  outline: none;
}

.page-faq .faq-quick {
  background: var(--c-ink-panel);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-card);
  padding: clamp(18px, 2.4vw, 26px);
  box-shadow: var(--shadow-panel);
}

.page-faq .faq-quick-title {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-size: .78rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-faq .faq-quick-list {
  list-style: none;
  counter-reset: qk;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-quick-list li {
  counter-increment: qk;
  position: relative;
  padding: 14px 0 0 34px;
  border-top: 1px solid var(--ink-line-soft);
}

.page-faq .faq-quick-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-quick-list li::before {
  content: "0" counter(qk);
  position: absolute;
  left: 0;
  top: 14px;
  font-family: var(--font-serif);
  font-size: .88rem;
  color: var(--c-amber);
}

.page-faq .faq-quick-list li:first-child::before {
  top: 0;
}

.page-faq .faq-quick-list a {
  color: rgba(251, 248, 242, .9);
  font-size: .92rem;
  line-height: 1.65;
  text-decoration: none;
  border-bottom: 1px dashed var(--ink-line-cyan);
}

.page-faq .faq-quick-list a:hover,
.page-faq .faq-quick-list a:focus-visible {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
  outline: none;
}

/* ---------- 章节通用 ---------- */
.page-faq .faq-section {
  padding-top: var(--faq-gap);
}

.page-faq .faq-head {
  max-width: 720px;
  margin-bottom: clamp(22px, 3.2vw, 38px);
}

.page-faq .faq-head .eyebrow {
  color: var(--c-teal);
}

.page-faq .faq-head .h-section {
  color: var(--c-ink);
  margin: .25em 0 .5em;
}

.page-faq .faq-intro {
  margin: 0;
  color: rgba(26, 26, 26, .74);
  line-height: 1.75;
  font-size: .98rem;
}

/* ---------- 四类入口 ---------- */
.page-faq .faq-cat-grid {
  display: grid;
  gap: 14px;
}

.page-faq .faq-cat {
  --acc: var(--c-teal);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 20px 24px;
  background: var(--c-cream);
  border: 1px solid var(--paper-line);
  border-radius: var(--radius-card);
  transition: transform .28s ease, box-shadow .28s ease;
}

.page-faq .faq-cat::before {
  content: "";
  position: absolute;
  top: 18px;
  bottom: 18px;
  left: 0;
  width: 5px;
  border-radius: 0 4px 4px 0;
  background: var(--acc);
}

.page-faq .faq-cat--reg { --acc: var(--c-teal); }
.page-faq .faq-cat--nav { --acc: var(--c-ink); }
.page-faq .faq-cat--sec { --acc: var(--c-amber); }
.page-faq .faq-cat--con { --acc: var(--c-slate); }

.page-faq .faq-cat:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 44px -34px rgba(11, 27, 43, .7);
}

.page-faq .faq-cat-no {
  font-family: var(--font-serif);
  font-size: .8rem;
  letter-spacing: .16em;
  color: var(--c-slate);
}

.page-faq .faq-cat .h-card {
  margin: 0;
  color: var(--c-ink);
  font-size: 1.12rem;
}

.page-faq .faq-cat p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.68;
  color: rgba(26, 26, 26, .72);
}

.page-faq .faq-cat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
  font-size: .86rem;
  color: rgba(26, 26, 26, .66);
}

.page-faq .faq-cat-list li {
  position: relative;
  padding-left: 14px;
  line-height: 1.6;
}

.page-faq .faq-cat-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 7px;
  height: 2px;
  background: var(--acc);
}

.page-faq .faq-cat-link {
  margin-top: auto;
  padding-top: 6px;
  font-size: .88rem;
  font-weight: 600;
  color: var(--c-teal);
  text-decoration: none;
}

.page-faq .faq-cat-link::after {
  content: " →";
}

.page-faq .faq-cat-link:hover,
.page-faq .faq-cat-link:focus-visible {
  color: var(--c-ink);
  text-decoration: underline;
}

.page-faq .faq-statbar {
  display: grid;
  gap: 16px;
  margin-top: 16px;
  padding: 20px;
  background: var(--c-mist);
  border-radius: var(--radius-card);
}

.page-faq .faq-stat {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-faq .faq-stat-num {
  font-family: var(--font-serif);
  font-size: 1.9rem;
  line-height: 1;
  color: var(--c-ink);
}

.page-faq .faq-stat-label {
  font-size: .88rem;
  line-height: 1.55;
  color: rgba(11, 27, 43, .74);
}

.page-faq .faq-figure {
  margin: clamp(20px, 3vw, 30px) 0 0;
  border: 1px solid var(--paper-line);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--c-cream);
}

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

/* ---------- 热门问题 ---------- */
.page-faq .faq-hot-grid {
  display: grid;
  gap: 14px;
}

.page-faq .faq-hot {
  padding: 20px;
  background: var(--c-cream);
  border: 1px solid var(--paper-line);
  border-radius: var(--radius-card);
  box-shadow: inset 0 3px 0 -1px var(--c-mist);
}

.page-faq .faq-hot-q {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--c-ink);
}

.page-faq .faq-hot p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.72;
  color: rgba(26, 26, 26, .74);
}

.page-faq .faq-hot-foot {
  margin: 20px 0 0;
  font-size: .95rem;
  color: rgba(26, 26, 26, .74);
}

.page-faq .faq-hot-foot a {
  color: var(--c-teal);
  font-weight: 600;
}

/* ---------- 分类详解 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: 22px;
}

.page-faq .faq-index {
  padding: 18px;
  background: var(--c-ink);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-card);
}

.page-faq .faq-index-title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-size: .76rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
}

.page-faq .faq-index-list a {
  display: inline-block;
  padding: 8px 13px;
  border: 1px solid var(--ink-line);
  border-radius: 999px;
  color: rgba(251, 248, 242, .88);
  font-size: .85rem;
  white-space: nowrap;
  text-decoration: none;
}

.page-faq .faq-index-list a span {
  margin-right: 6px;
  font-family: var(--font-serif);
  color: var(--c-amber);
}

.page-faq .faq-index-list a:hover,
.page-faq .faq-index-list a:focus-visible {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
  outline: none;
}

.page-faq .faq-index-cta {
  display: block;
  text-align: center;
}

.page-faq .faq-group {
  margin-bottom: 30px;
  scroll-margin-top: calc(var(--header-gap) + 24px);
}

.page-faq .faq-group-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-size: clamp(1.08rem, 1.6vw, 1.3rem);
  color: var(--c-ink);
}

.page-faq .faq-group-title span {
  font-family: var(--font-serif);
  font-size: .86rem;
  letter-spacing: .12em;
  color: var(--c-teal);
}

.page-faq .faq-group-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--paper-line);
}

.page-faq .faq-acc {
  --acc: var(--c-teal);
  margin-bottom: 10px;
  background: var(--c-cream);
  border: 1px solid var(--paper-line);
  border-left: 4px solid var(--acc);
  border-radius: 14px;
  overflow: hidden;
}

.page-faq .faq-group--nav .faq-acc { --acc: var(--c-ink); }
.page-faq .faq-group--sec .faq-acc { --acc: var(--c-amber); }
.page-faq .faq-group--con .faq-acc { --acc: var(--c-slate); }

.page-faq .faq-acc summary {
  position: relative;
  padding: 15px 46px 15px 16px;
  font-size: .97rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--c-ink);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-acc summary::after {
  content: "";
  position: absolute;
  right: 19px;
  top: 50%;
  width: 10px;
  height: 10px;
  margin-top: -7px;
  border-right: 2px solid var(--acc);
  border-bottom: 2px solid var(--acc);
  transform: rotate(45deg);
  transition: transform .25s ease;
}

.page-faq .faq-acc[open] summary::after {
  transform: rotate(-135deg);
}

.page-faq .faq-acc[open] summary {
  background: rgba(215, 232, 228, .34);
}

.page-faq .faq-acc-body {
  padding: 4px 18px 18px 16px;
  font-size: .93rem;
  line-height: 1.78;
  color: rgba(26, 26, 26, .78);
}

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

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

.page-faq .faq-acc-body ol,
.page-faq .faq-acc-body ul {
  margin: 0 0 10px;
  padding-left: 1.15em;
  display: grid;
  gap: 6px;
}

/* ---------- 检索与版本 ---------- */
.page-faq .faq-find-grid {
  display: grid;
  gap: 18px;
}

.page-faq .faq-find-panel {
  padding: clamp(22px, 3vw, 36px);
  background: var(--c-cream);
  border: 1px solid var(--paper-line);
  border-radius: var(--radius-panel);
}

.page-faq .faq-find-panel .eyebrow {
  color: var(--c-teal);
}

.page-faq .faq-find-panel .h-section {
  color: var(--c-ink);
  margin: .3em 0 0;
}

.page-faq .faq-steps {
  list-style: none;
  counter-reset: st;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .faq-steps li {
  counter-increment: st;
  position: relative;
  padding-left: 44px;
  font-size: .95rem;
  line-height: 1.72;
  color: rgba(26, 26, 26, .76);
}

.page-faq .faq-steps li strong {
  color: var(--c-ink);
}

.page-faq .faq-steps li::before {
  content: counter(st);
  position: absolute;
  left: 0;
  top: -2px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--c-ink);
  color: var(--c-cyan);
  font-family: var(--font-serif);
  font-size: .85rem;
}

.page-faq .faq-version {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
  padding: clamp(22px, 3vw, 32px);
  background: var(--c-ink-panel);
  border: 1px solid var(--ink-line-cyan);
  border-radius: var(--radius-panel);
  color: var(--c-cream);
  box-shadow: var(--shadow-panel);
}

.page-faq .faq-version .eyebrow {
  color: var(--c-cyan);
  margin: 0;
}

.page-faq .faq-version-no {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4vw, 3rem);
  line-height: 1;
  color: var(--c-amber);
}

.page-faq .faq-version p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.72;
  color: rgba(251, 248, 242, .8);
}

.page-faq .faq-version .btn {
  margin-top: 6px;
}

/* ---------- 工单引导 ---------- */
.page-faq .faq-cta {
  display: grid;
  gap: 24px;
  padding: clamp(22px, 3.4vw, 44px);
  background:
    radial-gradient(600px 320px at 88% 0%, rgba(53, 224, 208, .14), transparent 70%),
    var(--c-ink);
  border-radius: var(--radius-panel);
  color: var(--c-cream);
  box-shadow: var(--shadow-panel);
}

.page-faq .faq-cta .eyebrow {
  color: var(--c-amber);
  margin: 0;
}

.page-faq .faq-cta .h-section {
  color: var(--c-cream);
  margin: .25em 0 .5em;
}

.page-faq .faq-cta-text p {
  margin: 0 0 12px;
  color: rgba(251, 248, 242, .8);
  font-size: .95rem;
  line-height: 1.75;
}

.page-faq .faq-prep {
  list-style: none;
  margin: 14px 0 16px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-prep li {
  position: relative;
  padding-left: 22px;
  font-size: .93rem;
  line-height: 1.6;
  color: rgba(251, 248, 242, .88);
}

.page-faq .faq-prep li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 10px;
  height: 2px;
  background: var(--c-cyan);
}

.page-faq .faq-contact-line {
  font-size: .9rem;
  color: rgba(251, 248, 242, .72);
  line-height: 1.8;
}

.page-faq .faq-cta-figure {
  margin: 0;
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-card);
  overflow: hidden;
}

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

/* ---------- 更新记录 ---------- */
.page-faq .faq-timeline {
  list-style: none;
  margin: 0 0 0 6px;
  padding: 0;
  border-left: 2px solid var(--paper-line);
}

.page-faq .faq-timeline li {
  position: relative;
  padding: 0 0 26px 24px;
}

.page-faq .faq-timeline li:last-child {
  padding-bottom: 0;
}

.page-faq .faq-timeline li::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-paper);
  border: 2px solid var(--c-teal);
}

.page-faq .faq-time {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-serif);
  font-size: .78rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-teal);
}

.page-faq .faq-timeline p {
  margin: 0;
  font-size: .94rem;
  line-height: 1.72;
  color: rgba(26, 26, 26, .76);
}

.page-faq .faq-backtop {
  margin: 28px 0 0;
  text-align: center;
}

.page-faq .faq-backtop a {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--paper-line);
  border-radius: 999px;
  font-size: .84rem;
  color: var(--c-teal);
  text-decoration: none;
}

.page-faq .faq-backtop a:hover,
.page-faq .faq-backtop a:focus-visible {
  border-color: var(--c-teal);
  background: var(--c-mist);
  outline: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-cat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-statbar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-stat {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
}

@media (min-width: 720px) {
  .page-faq .faq-hot-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, .82fr);
    gap: 32px;
    align-items: start;
  }

  .page-faq .faq-find-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr);
    align-items: stretch;
  }

  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-split {
    grid-template-columns: 242px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-gap) + 12px);
  }

  .page-faq .faq-index-list {
    display: grid;
    gap: 6px;
    overflow: visible;
    margin-bottom: 18px;
  }

  .page-faq .faq-index-list a {
    display: block;
    border-radius: 10px;
    white-space: normal;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-cat-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-cat,
  .page-faq .faq-chip,
  .page-faq .faq-acc summary::after {
    transition: none;
  }

  .page-faq .faq-cat:hover {
    transform: none;
  }
}