.page-faq {
  --faq-rule: var(--line-soft);
  --faq-stagger: 40px;
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  padding: calc(var(--header-h) + 30px) 0 clamp(30px, 5vw, 54px);
  background:
    radial-gradient(circle at 86% 14%, rgba(240, 194, 75, .22), transparent 60%),
    linear-gradient(178deg, var(--paper) 0%, var(--paper-2) 100%);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -90px;
  right: -70px;
  width: 300px;
  height: 300px;
  border: 2px dashed rgba(122, 18, 32, .22);
  border-radius: 50%;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: 0;
  bottom: 0;
  width: min(46%, 460px);
  height: 5px;
  background: linear-gradient(90deg, var(--cinnabar), var(--vermilion) 60%, transparent);
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  max-width: 22ch;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(27px, 4.6vw, 50px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-hero .lede {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--taupe);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  color: var(--pine);
}

.page-faq .faq-hero__meta li {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding-left: 12px;
  border-left: 2px solid var(--gilt);
}

.page-faq .faq-hero__meta .num {
  font-family: var(--font-num);
  font-size: 20px;
  font-weight: 700;
  color: var(--cinnabar);
}

/* ---------- 标签导航 ---------- */
.page-faq .faq-tabs__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 12px;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--faq-rule);
  border-top-right-radius: var(--bevel);
  background: var(--paper-2);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.3;
  white-space: nowrap;
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-tab__no {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .06em;
  padding: 2px 5px;
  border-radius: 2px;
  background: rgba(192, 138, 18, .18);
  color: var(--pine);
}

.page-faq .faq-tab__count {
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--taupe);
}

.page-faq .faq-tab:hover {
  border-color: var(--vermilion);
  background: var(--paper);
}

.page-faq .faq-tab[aria-selected="true"] {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
  color: var(--paper);
}

.page-faq .faq-tab[aria-selected="true"] .faq-tab__no {
  background: rgba(240, 194, 75, .3);
  color: var(--paper);
}

.page-faq .faq-tab[aria-selected="true"] .faq-tab__count {
  color: var(--gilt-light);
}

/* ---------- 面板 ---------- */
.page-faq .faq-panel {
  padding-top: 26px;
}

.page-faq .faq-panel__head {
  max-width: 62ch;
  margin: 0 0 22px;
  padding-left: 14px;
  border-left: 4px solid var(--gilt);
}

.page-faq .faq-panel__head .title-lg {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(21px, 2.6vw, 30px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-panel__head p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--taupe);
}

/* ---------- 问答卡片 ---------- */
.page-faq .qa-grid {
  display: grid;
  gap: 14px;
}

.page-faq .qa {
  border: 1px solid var(--faq-rule);
  border-left: 2px solid var(--vermilion);
  border-top-right-radius: var(--bevel);
  background: var(--paper-2);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .qa:hover {
  border-left-color: var(--cinnabar);
}

.page-faq .qa[open] {
  border-left-color: var(--gilt);
  background: var(--paper);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-body);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
}

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

.page-faq .qa__mark {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  border-radius: 50%;
  background: rgba(181, 70, 31, .14);
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--vermilion);
  transform: translate(-50%, -50%);
}

.page-faq .qa__mark::before {
  width: 8px;
  height: 1.5px;
}

.page-faq .qa__mark::after {
  width: 1.5px;
  height: 8px;
  transition: transform .2s var(--ease);
}

.page-faq .qa[open] .qa__mark {
  background: rgba(192, 138, 18, .2);
}

.page-faq .qa[open] .qa__mark::before {
  background: var(--gilt);
}

.page-faq .qa[open] .qa__mark::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .qa__a {
  padding: 0 16px 16px 42px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--ink);
}

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

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

.page-faq .qa__more a {
  color: var(--vermilion);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .qa__more a:hover {
  color: var(--cinnabar);
}

/* ---------- 步骤清单 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 9px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: faq-step;
}

.page-faq .faq-steps > li {
  position: relative;
  counter-increment: faq-step;
  padding-left: 28px;
  font-size: 14.5px;
  line-height: 1.72;
}

.page-faq .faq-steps > li::before {
  content: counter(faq-step);
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--cinnabar);
  color: var(--paper);
  font-family: var(--font-num);
  font-size: 11px;
  line-height: 1;
}

/* ---------- 性能分组顶部配图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 24px;
  border-top-right-radius: var(--bevel);
  background: var(--ash);
  overflow: hidden;
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--faq-rule);
  font-size: 13px;
  line-height: 1.6;
  color: var(--taupe);
}

/* ---------- 人工支持 ---------- */
.page-faq .faq-help {
  background:
    radial-gradient(circle at 90% 8%, rgba(240, 194, 75, .16), transparent 55%),
    var(--pine);
  color: var(--paper);
  border-top: 6px solid var(--gilt);
}

.page-faq .faq-help__grid {
  display: grid;
  gap: 30px;
}

.page-faq .faq-help .eyebrow {
  color: var(--gilt-light);
}

.page-faq .faq-help .title-lg {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .faq-help__text > p {
  margin: 14px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(253, 246, 231, .82);
}

.page-faq .faq-help .faq-steps {
  margin-top: 16px;
  max-width: 48ch;
}

.page-faq .faq-steps--light > li {
  color: rgba(253, 246, 231, .9);
}

.page-faq .faq-steps--light > li::before {
  background: var(--gilt);
  color: var(--soot);
}

.page-faq .faq-channels {
  display: grid;
  gap: 0;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(253, 246, 231, .2);
}

.page-faq .faq-channels li {
  display: grid;
  gap: 2px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(253, 246, 231, .2);
}

.page-faq .faq-channels__k {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gilt-light);
}

.page-faq .faq-channels__v {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-channels__link {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--gilt-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-channels__link:hover {
  color: var(--paper);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .faq-help__ghost {
  border-color: rgba(253, 246, 231, .6);
  color: var(--paper);
  background: transparent;
}

.page-faq .faq-help__back {
  font-size: 14px;
  color: rgba(253, 246, 231, .75);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-help__back:hover {
  color: var(--gilt-light);
}

.page-faq .faq-help__figure {
  margin: 0;
  border-top-right-radius: var(--bevel);
  background: rgba(253, 246, 231, .1);
  overflow: hidden;
  align-self: start;
}

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

.page-faq .faq-help__figure figcaption {
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(253, 246, 231, .75);
}

/* ---------- 桌面栅格与错位 ---------- */
@media (min-width: 860px) {
  .page-faq .faq-tabs__list {
    position: sticky;
    top: var(--header-h);
    z-index: 6;
    flex-wrap: wrap;
    overflow: visible;
    padding: 12px 0;
    background: var(--paper);
    border-bottom: 1px solid var(--faq-rule);
  }

  .page-faq .qa-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 22px;
    align-items: start;
    padding-bottom: var(--faq-stagger);
  }

  .page-faq .qa-grid > .qa:nth-child(even) {
    margin-top: var(--faq-stagger);
  }

  .page-faq .faq-help__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-figure {
    max-width: 640px;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-body {
    padding-top: 44px;
  }

  .page-faq .faq-panel {
    padding-top: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tab,
  .page-faq .qa,
  .page-faq .qa__mark::after {
    transition: none !important;
  }
}
<<<END>>>