.page-faq {
  --faq-line: rgba(44, 62, 112, .9);
  --faq-card: rgba(27, 42, 91, .72);
  display: block;
  background:
    radial-gradient(120% 80% at 88% -12%, rgba(53, 224, 214, .16), transparent 58%),
    radial-gradient(90% 60% at 6% 104%, rgba(255, 138, 61, .1), transparent 62%),
    var(--navy-900);
  color: var(--on-dark);
  font-family: var(--font-body);
  overflow-x: clip;
}

/* ---------- 顶部节奏带 ---------- */
.page-faq .faq-pulse {
  border-bottom: 1px solid var(--navy-line);
  background: linear-gradient(90deg, rgba(53, 224, 214, .15), rgba(27, 42, 91, .55) 48%, rgba(255, 138, 61, .13));
}
.page-faq .faq-pulse__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding-top: 12px;
  padding-bottom: 12px;
}
.page-faq .faq-pulse__dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 138, 61, .18);
}
.page-faq .faq-pulse__text {
  flex: 1 1 220px;
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--on-dark);
}
.page-faq .faq-pulse__text strong {
  color: var(--cyan);
  font-weight: 700;
}
.page-faq .faq-pulse__link {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 138, 61, .5);
  padding-bottom: 2px;
}
.page-faq .faq-pulse__link:hover {
  color: #ffb37a;
  border-bottom-color: #ffb37a;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 34px 0 46px;
  border-bottom: 1px solid var(--navy-line);
}
.page-faq .faq-hero .crumbs {
  margin-bottom: 20px;
}
.page-faq .faq-hero h1 {
  margin: 10px 0 0;
  max-width: 720px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(27px, 6vw, 42px);
  line-height: 1.24;
  letter-spacing: -.01em;
  color: #fff;
}
.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 640px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}
.page-faq .faq-hero__chips {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-faq .faq-hero__chips .chip {
  display: inline-block;
  text-decoration: none;
}
.page-faq .faq-hero__chips .chip:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* ---------- 通用区块 ---------- */
.page-faq .faq-block {
  padding: 48px 0;
}
.page-faq .faq-block--tags {
  border-top: 1px solid var(--navy-line);
}
.page-faq .faq-block--qa {
  background: linear-gradient(180deg, rgba(12, 21, 48, .92), rgba(16, 27, 59, .6));
  border-top: 1px solid var(--navy-line);
}
.page-faq .faq-head {
  max-width: 660px;
  margin-bottom: 28px;
}
.page-faq .faq-head .section-title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 4.4vw, 31px);
  line-height: 1.32;
  letter-spacing: -.01em;
  color: #fff;
}
.page-faq .faq-head .section-lede {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 第一步：路径 ---------- */
.page-faq .faq-route {
  display: grid;
  gap: 26px;
}
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: fs;
  display: grid;
  gap: 16px;
}
.page-faq .faq-step {
  position: relative;
  counter-increment: fs;
  padding: 20px 20px 20px 68px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(27, 42, 91, .92), rgba(16, 27, 59, .82));
  transition: transform .25s ease, border-color .25s ease;
}
.page-faq .faq-step:hover {
  transform: translateY(-4px);
  border-color: rgba(53, 224, 214, .5);
}
.page-faq .faq-step::before {
  content: counter(fs, decimal-leading-zero);
  position: absolute;
  left: 18px;
  top: 21px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  line-height: 1.4;
  color: var(--cyan);
  border: 1px solid rgba(53, 224, 214, .45);
  border-radius: 7px;
  padding: 2px 7px;
}
.page-faq .faq-step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 35px;
  bottom: -16px;
  width: 1px;
  height: 16px;
  background: linear-gradient(180deg, var(--cyan), rgba(53, 224, 214, .08));
}
.page-faq .faq-step h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: #fff;
}
.page-faq .faq-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}
.page-faq .faq-route__figure {
  margin: 0;
}
.page-faq .faq-route__figure .media-frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--faq-line);
}
.page-faq .faq-route__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .media-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-nudge {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  align-items: flex-start;
  padding: 16px 18px;
  border: 1px dashed rgba(255, 138, 61, .5);
  border-radius: var(--radius);
  background: rgba(255, 138, 61, .07);
}
.page-faq .faq-nudge__label {
  flex: 0 0 auto;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  line-height: 1.6;
  color: var(--navy-950);
  background: var(--orange);
  border-radius: 6px;
  padding: 3px 9px;
}
.page-faq .faq-nudge > p + p {
  flex: 1 1 260px;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--on-dark);
}

/* ---------- 纸面区块 ---------- */
.page-faq .faq-sheet {
  padding: 48px 0;
  background: var(--paper);
  color: var(--ink);
  border-top: 1px solid var(--paper-line);
  border-bottom: 1px solid var(--paper-line);
}
.page-faq .faq-sheet .faq-head .section-title {
  color: var(--ink);
}
.page-faq .faq-sheet .faq-head .section-lede {
  color: var(--mist-deep);
}
.page-faq .faq-sheet .eyebrow {
  color: var(--cyan-deep);
}
.page-faq .faq-sheet__grid {
  display: grid;
  gap: 26px;
}
.page-faq .faq-sheet__grid figure {
  margin: 0;
}
.page-faq .faq-sheet__grid .media-frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--paper-line);
  background: var(--navy-950);
}
.page-faq .faq-sheet__grid img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-sheet .media-caption {
  color: var(--mist-deep);
}
.page-faq .faq-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--paper-line);
}
.page-faq .faq-facts li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--paper-line);
}
.page-faq .faq-facts__k {
  flex: 0 0 88px;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist-deep);
}
.page-faq .faq-facts__v {
  flex: 1 1 190px;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.7;
  color: var(--ink);
}
.page-faq .faq-sheet__note {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist-deep);
}
.page-faq .faq-sheet__paths {
  margin-top: 30px;
  display: grid;
  gap: 16px;
}
.page-faq .faq-sheet__paths article {
  padding: 18px 20px;
  border: 1px solid var(--paper-line);
  border-left: 3px solid var(--cyan-deep);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(255, 255, 255, .55);
}
.page-faq .faq-sheet__paths h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}
.page-faq .faq-sheet__paths p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist-deep);
}
.page-faq .faq-inline-link {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--cyan-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(14, 127, 123, .4);
  padding-bottom: 2px;
}
.page-faq .faq-inline-link::after {
  content: " →";
}
.page-faq .faq-inline-link:hover {
  color: var(--ink);
  border-bottom-color: var(--ink);
}
.page-faq .faq-inline-link--dark {
  color: var(--orange);
  border-bottom-color: rgba(255, 138, 61, .5);
}
.page-faq .faq-inline-link--dark:hover {
  color: #ffb37a;
  border-bottom-color: #ffb37a;
}

/* ---------- 第三步：维度 ---------- */
.page-faq .faq-filters {
  display: grid;
  gap: 16px;
}
.page-faq .faq-filter {
  position: relative;
  overflow: hidden;
  padding: 22px 20px 22px 24px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  background: var(--faq-card);
  transition: transform .25s ease, border-color .25s ease;
}
.page-faq .faq-filter:hover {
  transform: translateY(-4px);
  border-color: rgba(53, 224, 214, .5);
}
.page-faq .faq-filter::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--cyan), rgba(53, 224, 214, 0));
}
.page-faq .faq-filter__no {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}
.page-faq .faq-filter h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  color: #fff;
}
.page-faq .faq-filter p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}
.page-faq .faq-filter .faq-filter__no {
  margin-bottom: 8px;
}
.page-faq .faq-combo {
  margin-top: 24px;
  padding: 18px 20px;
  border: 1px solid rgba(53, 224, 214, .34);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(53, 224, 214, .1), rgba(27, 42, 91, .5));
}
.page-faq .faq-combo__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}
.page-faq .faq-combo p + p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--on-dark);
}

/* ---------- 第四步：标签 ---------- */
.page-faq .faq-tagwall {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-faq .faq-tagwall li {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  line-height: 1.5;
  color: var(--on-dark);
  border: 1px solid var(--faq-line);
  background: var(--faq-card);
  border-radius: 999px;
  padding: 8px 15px;
}
.page-faq .faq-tagwall li:nth-child(4n + 1) {
  border-color: rgba(53, 224, 214, .45);
  color: var(--cyan);
}
.page-faq .faq-tagwall li:nth-child(5n + 3) {
  border-color: rgba(255, 138, 61, .45);
  color: #ffb37a;
}
.page-faq .faq-tagnotes {
  display: grid;
  gap: 16px;
}
.page-faq .faq-tagnotes article {
  padding: 18px 20px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  background: rgba(16, 27, 59, .7);
}
.page-faq .faq-tagnotes h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: #fff;
}
.page-faq .faq-tagnotes p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 兜底：联系卡 ---------- */
.page-faq .faq-callcard {
  padding: 22px 20px;
  border: 1px solid var(--paper-line);
  border-top: 3px solid var(--orange);
  border-radius: 0 0 var(--radius) var(--radius);
  background: rgba(255, 255, 255, .62);
}
.page-faq .faq-callcard__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}
.page-faq .faq-callcard > p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist-deep);
}
.page-faq .faq-callcard__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-faq .faq-callcard__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  align-items: baseline;
}
.page-faq .faq-callcard__list .contact-key {
  flex: 0 0 48px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist-deep);
}
.page-faq .faq-callcard__list .contact-value {
  flex: 1 1 180px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}
.page-faq .faq-callcard .copy-chip {
  appearance: none;
  border: 1px dashed var(--paper-line);
  background: transparent;
  border-radius: 6px;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
  cursor: pointer;
}
.page-faq .faq-callcard .copy-chip:hover {
  border-color: var(--cyan-deep);
  color: var(--cyan-deep);
}

/* ---------- 设备差异 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: 16px;
}
.page-faq .faq-split__col {
  padding: 22px 20px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  background: var(--faq-card);
}
.page-faq .faq-split__col--pc {
  background: linear-gradient(160deg, rgba(53, 224, 214, .12), rgba(27, 42, 91, .78));
}
.page-faq .faq-split__col--mb {
  background: linear-gradient(160deg, rgba(255, 138, 61, .12), rgba(27, 42, 91, .78));
}
.page-faq .faq-split__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--on-dark);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--navy-line);
}
.page-faq .faq-split__col--pc .faq-split__label {
  color: var(--cyan);
}
.page-faq .faq-split__col--mb .faq-split__label {
  color: var(--orange);
}
.page-faq .faq-split__col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-faq .faq-split__col li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}
.page-faq .faq-split__col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}
.page-faq .faq-split__col--mb li::before {
  background: var(--orange);
}

/* ---------- 问答标签页 ---------- */
.page-faq .faq-tabs {
  margin-top: 4px;
}
.page-faq .faq-tabs .tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
}
.page-faq .faq-tabs .tablist [role="tab"] {
  appearance: none;
  border: 1px solid var(--faq-line);
  background: rgba(27, 42, 91, .6);
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.4;
  padding: 10px 18px;
  border-radius: 999px;
  cursor: pointer;
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}
.page-faq .faq-tabs .tablist [role="tab"]:hover {
  border-color: rgba(53, 224, 214, .55);
  color: var(--on-dark);
}
.page-faq .faq-tabs .tablist [role="tab"][aria-selected="true"] {
  border-color: var(--orange);
  background: rgba(255, 138, 61, .15);
  color: #fff;
}
.page-faq .faq-tabs .tablist [role="tab"]:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
.page-faq .faq-tabs [role="tabpanel"] {
  outline: none;
}
.page-faq .faq-tabs [role="tabpanel"]:focus-visible {
  outline: 1px dashed rgba(53, 224, 214, .5);
  outline-offset: 6px;
}

.page-faq .faq-wall {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: fq;
  display: grid;
  gap: 16px;
}
.page-faq .faq-item {
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(27, 42, 91, .85), rgba(16, 27, 59, .78));
  overflow: hidden;
  transition: transform .25s ease, border-color .25s ease;
}
.page-faq .faq-item:hover {
  transform: translateY(-4px);
  border-color: rgba(53, 224, 214, .45);
}
.page-faq .faq-item[open] {
  border-color: rgba(53, 224, 214, .5);
  transform: none;
}
.page-faq .faq-item > summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 12px;
  padding: 16px 18px;
  list-style: none;
  cursor: pointer;
}
.page-faq .faq-item > summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -3px;
}
.page-faq .faq-item__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  line-height: 1.7;
  color: var(--cyan);
  border: 1px solid rgba(53, 224, 214, .4);
  border-radius: 6px;
  padding: 2px 6px;
  background: rgba(53, 224, 214, .08);
}
.page-faq .faq-item__no::before {
  counter-increment: fq;
  content: counter(fq, decimal-leading-zero);
}
.page-faq .faq-item__q {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.65;
  color: #fff;
}
.page-faq .faq-item__mark {
  position: relative;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 4px;
}
.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--orange);
  border-radius: 2px;
  transition: transform .25s ease, opacity .25s ease;
}
.page-faq .faq-item__mark::before {
  left: 3px;
  right: 3px;
  top: 9px;
  height: 1.5px;
}
.page-faq .faq-item__mark::after {
  top: 3px;
  bottom: 3px;
  left: 9px;
  width: 1.5px;
}
.page-faq .faq-item[open] .faq-item__mark::after {
  transform: scaleY(0);
  opacity: 0;
}
.page-faq .faq-body {
  padding: 0 22px 20px 22px;
  border-top: 1px solid rgba(44, 62, 112, .6);
  padding-top: 14px;
  margin-top: 0;
}
.page-faq .faq-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--mist);
  text-indent: 0;
}
.page-faq .faq-body p + p {
  margin-top: 10px;
}

.page-faq .faq-qa-foot {
  margin: 28px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}
.page-faq .faq-qa-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 214, .45);
}
.page-faq .faq-qa-foot a:hover {
  color: #fff;
  border-bottom-color: #fff;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: 46px 0 54px;
  }
  .page-faq .faq-block,
  .page-faq .faq-sheet {
    padding: 60px 0;
  }
  .page-faq .faq-tagnotes,
  .page-faq .faq-sheet__paths {
    grid-template-columns: 1fr 1fr;
  }
  .page-faq .faq-filters {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }
  .page-faq .faq-split {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .page-faq .faq-body {
    padding-left: 62px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-route {
    grid-template-columns: 1.12fr .88fr;
    gap: 34px;
    align-items: start;
  }
  .page-faq .faq-sheet__grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    align-items: start;
  }
  .page-faq .faq-tagnotes {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-faq .faq-tagnotes article:nth-child(2) {
    margin-top: 22px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-wall {
    grid-template-columns: 1fr 1fr;
    gap: 18px 22px;
    align-items: start;
  }
  .page-faq .faq-wall > :nth-child(even) {
    margin-top: 38px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .faq-filter,
  .page-faq .faq-item,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after {
    transition: none;
  }
  .page-faq .faq-step:hover,
  .page-faq .faq-filter:hover,
  .page-faq .faq-item:hover {
    transform: none;
  }
}
<<<END>>>