.page-faq {
  --faq-rail: 296px;
  display: block;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
}

/* ---------- 面包屑 ---------- */
.page-faq .crumbs {
  padding-top: 18px;
}
.page-faq .crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}
.page-faq .crumbs__list li + li::before {
  content: "/";
  margin-right: 10px;
  color: var(--ice);
}
.page-faq .crumbs__list a {
  color: var(--ink-soft);
  text-decoration: none;
}
.page-faq .crumbs__list a:hover,
.page-faq .crumbs__list a:focus-visible {
  color: var(--red);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--graphite);
  color: var(--snow);
  padding-block: clamp(34px, 5vw, 74px) clamp(44px, 6vw, 88px);
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201, 212, 220, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 212, 220, .07) 1px, transparent 1px);
  background-size: 76px 76px;
  pointer-events: none;
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -160px;
  right: -150px;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(196, 52, 42, .40), transparent 68%);
  pointer-events: none;
}
.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}
.page-faq .faq-hero__eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: .28em;
  color: var(--gold);
}
.page-faq .faq-hero__title {
  margin: 14px 0 0;
  max-width: 17ch;
  font-size: clamp(29px, 4.6vw, 58px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -.02em;
}
.page-faq .faq-hero__lead {
  margin: 20px 0 0;
  max-width: 40ch;
  color: rgba(245, 243, 239, .78);
}
.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(201, 212, 220, .18);
  border: 1px solid rgba(201, 212, 220, .18);
  border-radius: var(--radius-m);
  overflow: hidden;
}
.page-faq .faq-stat {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 18px 16px 20px;
  background: rgba(20, 23, 28, .74);
}
.page-faq .faq-stat__num {
  font-size: clamp(24px, 2.6vw, 32px);
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
}
.page-faq .faq-stat__label {
  font-size: 13px;
  line-height: 1.5;
  color: rgba(245, 243, 239, .64);
}

/* ---------- 横幅 ---------- */
.page-faq .faq-banner {
  margin: 0;
  padding-block: clamp(26px, 4vw, 46px) 0;
  background: var(--paper);
}
.page-faq .faq-banner__frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

/* ---------- 主栅格 ---------- */
.page-faq .faq-main {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding-block: clamp(34px, 4.5vw, 60px) clamp(56px, 7vw, 96px);
}

/* ---------- 左侧索引 ---------- */
.page-faq .faq-side {
  display: grid;
  gap: 16px;
}
.page-faq .faq-side__block {
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  padding: 20px;
  box-shadow: var(--shadow-1);
}
.page-faq .faq-side__block--ring {
  background: var(--maple);
  border-color: transparent;
  color: var(--snow);
}
.page-faq .faq-side__title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--mist);
}
.page-faq .faq-side__block--ring .faq-side__title {
  color: rgba(245, 243, 239, .58);
}
.page-faq .faq-index {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-index__item a {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 15px;
  color: var(--ink);
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-faq .faq-index__item a:hover,
.page-faq .faq-index__item a:focus-visible {
  background: var(--sand);
  color: var(--red-deep);
}
.page-faq .faq-index__item .mono {
  flex: none;
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-faq .faq-ring {
  display: block;
  width: 148px;
  height: 148px;
  margin: 2px auto 10px;
}
.page-faq .faq-ring__track {
  fill: none;
  stroke: rgba(201, 212, 220, .18);
  stroke-width: 9;
}
.page-faq .faq-ring__segs {
  transform: rotate(-90deg);
  transform-origin: 60px 60px;
}
.page-faq .faq-ring__seg {
  fill: none;
  stroke-width: 9;
  stroke-linecap: round;
}
.page-faq .faq-ring__seg--a {
  stroke: var(--gold);
  stroke-dasharray: 90 199;
  stroke-dashoffset: 0;
}
.page-faq .faq-ring__seg--b {
  stroke: var(--teal);
  stroke-dasharray: 90 199;
  stroke-dashoffset: -96.3;
}
.page-faq .faq-ring__seg--c {
  stroke: var(--red);
  stroke-dasharray: 90 199;
  stroke-dashoffset: -192.7;
}
.page-faq .faq-ring__num {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  fill: var(--snow);
}
.page-faq .faq-ring__unit {
  font-family: var(--font-sans);
  font-size: 11px;
  fill: rgba(245, 243, 239, .58);
}
.page-faq .faq-legend {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
}
.page-faq .faq-legend li {
  display: flex;
  align-items: center;
  gap: 9px;
  color: rgba(245, 243, 239, .8);
}
.page-faq .faq-legend i {
  flex: none;
  width: 10px;
  height: 10px;
  border-radius: 3px;
}

.page-faq .faq-side__cta p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-soft);
}
.page-faq .faq-side__cta .btn {
  width: 100%;
  justify-content: center;
}

/* ---------- 内容流 ---------- */
.page-faq .faq-flow {
  min-width: 0;
}
.page-faq .faq-zone {
  scroll-margin-top: 96px;
  padding-bottom: clamp(38px, 4.8vw, 68px);
}
.page-faq .faq-zone + .faq-zone {
  border-top: 1px solid var(--line-soft);
  padding-top: clamp(34px, 4.2vw, 58px);
}
.page-faq .faq-zone__head {
  display: grid;
  gap: 7px;
  margin-bottom: 24px;
}
.page-faq .faq-zone__no {
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--red);
}
.page-faq .faq-zone__title {
  margin: 0;
  font-size: clamp(21px, 2.5vw, 31px);
  font-weight: 800;
  line-height: 1.26;
  letter-spacing: -.01em;
}
.page-faq .faq-zone__note {
  margin: 0;
  color: var(--mist);
}

/* ---------- 标签页 ---------- */
.page-faq .faq-tabs {
  margin-bottom: 4px;
}
.page-faq .faq-tabs__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}
.page-faq .faq-tabs__tab {
  appearance: none;
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card);
  color: var(--ink-soft);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-faq .faq-tabs__tab:hover {
  border-color: var(--red);
  color: var(--red-deep);
}
.page-faq .faq-tabs__tab[aria-selected="true"] {
  background: var(--red);
  border-color: var(--red);
  color: #FFFFFF;
}
.page-faq .faq-tabs__tab[aria-selected="true"]:hover {
  color: #FFFFFF;
}
.page-faq .faq-tabs__tab:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}
.page-faq .faq-tabs__panel {
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--teal);
  border-radius: 0 var(--radius-m) var(--radius-m) 0;
  background: var(--card);
  padding: clamp(20px, 3vw, 30px);
}
.page-faq .faq-tabs__panel[hidden] {
  display: none;
}
.page-faq .faq-tabs__panel + .faq-tabs__panel {
  margin-top: 14px;
}
.page-faq .faq-tabs__panel h3 {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
}
.page-faq .faq-tabs__panel p {
  margin: 0 0 10px;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.82;
  color: var(--ink-soft);
}
.page-faq .faq-tabs__panel p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-inline-link {
  font-size: 14px !important;
  color: var(--mist) !important;
}
.page-faq .faq-inline-link a {
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .faq-inline-link a:hover,
.page-faq .faq-inline-link a:focus-visible {
  color: var(--red-deep);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-item {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  background: var(--card);
  overflow: hidden;
}
.page-faq .faq-item + .faq-item {
  margin-top: 10px;
}
.page-faq .faq-item > summary {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  padding: 17px 22px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}
.page-faq .faq-item > summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item > summary::before {
  content: "+";
  flex: none;
  width: 22px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--red);
}
.page-faq .faq-item[open] > summary::before {
  content: "−";
}
.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: -3px;
}
.page-faq .faq-item__a {
  padding: 0 22px 20px 56px;
  font-size: 16px;
  line-height: 1.82;
  color: var(--ink-soft);
}
.page-faq .faq-item__a p {
  margin: 0 0 10px;
  max-width: 46ch;
}
.page-faq .faq-item__a p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-item__a a {
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--red-deep);
}

/* ---------- 入门步骤 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 13px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  background: var(--card);
}
.page-faq .faq-step__no {
  display: grid;
  place-items: center;
  flex: none;
  width: 36px;
  height: 36px;
  border-radius: 11px;
  background: var(--maple);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}
.page-faq .faq-step h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
}
.page-faq .faq-step p {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* ---------- 说明牌 ---------- */
.page-faq .faq-placard {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-top: 20px;
  padding: 16px 20px;
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  background: var(--sand);
}
.page-faq .faq-placard__mark {
  flex: none;
  padding-top: 3px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--maple);
}
.page-faq .faq-placard p {
  margin: 0;
  max-width: 50ch;
  font-size: 15px;
  line-height: 1.76;
  color: var(--ink-soft);
}
.page-faq .faq-placard strong {
  color: var(--ink);
}

/* ---------- 版本对照 ---------- */
.page-faq .faq-compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 18px;
}
.page-faq .faq-version {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 22px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  background: var(--card);
}
.page-faq .faq-version--b {
  border-color: transparent;
  background: var(--night);
  color: var(--snow);
}
.page-faq .faq-version__time {
  margin: 0;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--red);
}
.page-faq .faq-version--b .faq-version__time {
  color: var(--gold);
}
.page-faq .faq-version__name {
  margin: 0;
  font-size: 21px;
  font-weight: 800;
  line-height: 1.3;
}
.page-faq .faq-version ul {
  margin: 0;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--ink-soft);
}
.page-faq .faq-version--b ul {
  color: rgba(245, 243, 239, .78);
}

/* ---------- 评价 ---------- */
.page-faq .faq-review-figure {
  margin: 0 0 20px;
}
.page-faq .faq-review-figure__frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
}
.page-faq .faq-prose-intro {
  margin: 0 0 20px;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.82;
  color: var(--ink-soft);
}
.page-faq .faq-zone#reviews .faq-tabs {
  margin-bottom: 14px;
}

/* ---------- 自查清单 ---------- */
.page-faq .faq-checklist {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-checklist li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-s);
  background: var(--card);
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-soft);
}
.page-faq .faq-checklist li::before {
  content: "";
  flex: none;
  width: 15px;
  height: 15px;
  margin-top: 4px;
  border: 2px solid var(--teal);
  border-radius: 4px;
}
.page-faq .faq-checklist strong {
  display: block;
  margin-bottom: 2px;
  font-weight: 700;
  color: var(--ink);
}

/* ---------- 联系卡片 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 20px;
  margin-top: 24px;
  padding: clamp(24px, 3.4vw, 40px);
  border-radius: var(--radius-l);
  background: linear-gradient(135deg, var(--maple) 0%, var(--maple-soft) 62%, var(--graphite-soft) 100%);
  color: var(--snow);
}
.page-faq .faq-contact h3 {
  margin: 0 0 10px;
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 800;
  line-height: 1.32;
}
.page-faq .faq-contact p {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(245, 243, 239, .76);
}
.page-faq .faq-contact__channels {
  display: grid;
  gap: 10px;
  padding-top: 4px;
  border-top: 1px solid rgba(201, 212, 220, .2);
}
.page-faq .faq-contact__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  font-size: 15px;
}
.page-faq .faq-contact__item .mono {
  flex: none;
  min-width: 44px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--gold);
}
.page-faq .faq-contact__item a {
  color: var(--snow);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 169, 76, .5);
  padding-bottom: 1px;
}
.page-faq .faq-contact__item a:hover,
.page-faq .faq-contact__item a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}
.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, .85fr);
    gap: 56px;
    align-items: end;
  }
  .page-faq .faq-main {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }
  .page-faq .faq-side {
    position: sticky;
    top: 92px;
  }
  .page-faq .faq-banner__frame img {
    aspect-ratio: 16 / 6;
  }
}

@media (min-width: 1366px) {
  .page-faq .faq-zone__head {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: baseline;
    column-gap: 24px;
  }
  .page-faq .faq-zone__no {
    grid-column: 1 / -1;
  }
  .page-faq .faq-zone__note {
    text-align: right;
    max-width: 26ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__item a,
  .page-faq .faq-tabs__tab {
    transition: none;
  }
}
<<<END>>>