.page-faq {
  --faq-item-bg: rgba(18, 48, 74, .46);
  --faq-item-bg-on: rgba(18, 48, 74, .78);
  --faq-accent: var(--gold);
  padding-bottom: 72px;
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: 28px;
}

.page-faq .faq-hero .crumbs {
  margin-bottom: 20px;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  max-width: 22ch;
  font-family: var(--font-head);
  font-size: clamp(1.85rem, 7.4vw, 3.4rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.022em;
  color: var(--white);
}

.page-faq .faq-hero .lede {
  max-width: 64ch;
  margin-top: 16px;
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  padding: 8px 15px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--mist);
  text-decoration: none;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  color: var(--white);
  border-color: var(--gold);
  background-color: rgba(240, 160, 60, .09);
}

.page-faq .faq-ticker {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 30px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background-color: var(--line);
  overflow: hidden;
}

.page-faq .faq-ticker-cell {
  padding: 13px 15px;
  background-image: linear-gradient(180deg, rgba(18, 48, 74, .85), rgba(10, 26, 42, .95));
}

.page-faq .faq-ticker-k {
  display: block;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-faq .faq-ticker-v {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--mist);
}

/* ---------- 通用区块头 ---------- */
.page-faq .faq-section {
  margin-top: 58px;
}

.page-faq .faq-sec-head {
  max-width: 68ch;
  margin-bottom: 22px;
}

.page-faq .faq-sec-head::before {
  content: "";
  display: block;
  width: 76px;
  height: 3px;
  margin-bottom: 10px;
  border-radius: 3px;
  background-image: linear-gradient(90deg, var(--gold), rgba(240, 160, 60, 0));
  transform: skewX(-28deg);
}

.page-faq .faq-sec-head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.3rem, 4.6vw, 2rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--white);
}

.page-faq .faq-sec-head p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 分支示意 ---------- */
.page-faq .faq-branch {
  padding: 16px 6px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background-color: #0c1f30;
  background-image:
    radial-gradient(120% 90% at 10% 0%, rgba(47, 182, 168, .12), transparent 62%),
    radial-gradient(110% 120% at 94% 100%, rgba(240, 160, 60, .12), transparent 64%);
  overflow-x: auto;
}

.page-faq .faq-branch svg {
  display: block;
  width: 100%;
  min-width: 600px;
  height: auto;
}

.page-faq .faq-branch-line {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 1.6;
  stroke-dasharray: 5 5;
}

.page-faq .faq-branch-node {
  fill: rgba(18, 48, 74, .9);
  stroke: var(--line-strong);
  stroke-width: 1.4;
}

.page-faq .faq-branch-node--root {
  fill: rgba(240, 160, 60, .16);
  stroke: var(--gold);
}

.page-faq .faq-branch-leaf {
  fill: rgba(44, 59, 73, .72);
  stroke: var(--line);
  stroke-width: 1.2;
}

.page-faq .faq-branch-text {
  fill: var(--white);
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 600;
  text-anchor: middle;
  dominant-baseline: middle;
}

.page-faq .faq-branch-text--leaf {
  fill: var(--mist);
  font-size: 13px;
  font-weight: 400;
}

/* ---------- 检索指引 ---------- */
.page-faq .faq-retrieve {
  display: grid;
  gap: 22px;
  margin-top: 24px;
}

.page-faq .faq-lane + .faq-lane {
  margin-top: 26px;
}

.page-faq .faq-lane h3 {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
}

.page-faq .faq-steps li {
  position: relative;
  padding: 12px 14px 12px 46px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background-color: var(--faq-item-bg);
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
  transition: border-color .18s ease, background-color .18s ease;
}

.page-faq .faq-steps li::before {
  counter-increment: faqstep;
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  top: 12px;
  left: 14px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--gold);
}

.page-faq .faq-steps li:hover {
  border-color: var(--line-strong);
  background-color: var(--faq-item-bg-on);
}

.page-faq .faq-steps--tight li {
  background-color: rgba(10, 26, 42, .6);
}

.page-faq .faq-media {
  margin: 0;
}

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

/* ---------- 横向维度带 ---------- */
.page-faq .faq-band {
  position: relative;
  margin-top: 58px;
  padding: 26px 0 30px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background-image: linear-gradient(180deg, rgba(18, 48, 74, .82), rgba(10, 26, 42, .55));
  overflow: hidden;
}

.page-faq .faq-band::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -130px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background-image: radial-gradient(closest-side, rgba(240, 160, 60, .18), transparent 72%);
  pointer-events: none;
}

.page-faq .faq-band-inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-band-title {
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold-deep);
}

.page-faq .faq-band-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-faq .faq-band-card {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  background-color: rgba(10, 26, 42, .68);
  color: var(--white);
  font-size: 15px;
  text-decoration: none;
  transition: border-color .18s ease, background-color .18s ease;
}

.page-faq .faq-band-card .faq-band-idx {
  font-size: 12px;
  color: var(--gold);
}

.page-faq .faq-band-card:hover,
.page-faq .faq-band-card:focus-visible {
  border-color: var(--gold);
  background-color: rgba(18, 48, 74, .92);
}

/* ---------- 字段定义 ---------- */
.page-faq .faq-defs {
  display: grid;
  gap: 14px;
  margin: 0;
}

.page-faq .faq-def {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background-color: var(--faq-item-bg);
  box-shadow: inset 3px 0 0 rgba(240, 160, 60, .42);
  transition: border-color .18s ease, box-shadow .18s ease;
}

.page-faq .faq-def:hover {
  border-color: var(--line-strong);
  box-shadow: inset 3px 0 0 var(--gold);
}

.page-faq .faq-def dt {
  font-family: var(--font-num);
  font-size: 14px;
  letter-spacing: .03em;
  color: var(--glow);
}

.page-faq .faq-def dd {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--mist);
}

/* ---------- 更新节点 ---------- */
.page-faq .faq-rounds {
  list-style: none;
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
}

.page-faq .faq-round {
  position: relative;
  --faq-accent: var(--gold);
  padding: 22px 18px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background-image: linear-gradient(160deg, rgba(18, 48, 74, .86), rgba(10, 26, 42, .92));
  transition: border-color .18s ease;
}

.page-faq .faq-round::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: var(--r-md) var(--r-md) 0 0;
  background-image: linear-gradient(90deg, var(--faq-accent), rgba(240, 160, 60, 0));
}

.page-faq .faq-round--teal {
  --faq-accent: var(--teal);
}

.page-faq .faq-round--coral {
  --faq-accent: var(--coral);
}

.page-faq .faq-round:hover {
  border-color: var(--line-strong);
}

.page-faq .faq-round-key {
  margin: 0;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--faq-accent);
}

.page-faq .faq-round h3 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
}

.page-faq .faq-round p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--mist);
}

.page-faq .faq-inline-link {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-inline-link a {
  color: var(--white);
  text-decoration: underline;
  text-decoration-color: var(--mist);
  text-underline-offset: 3px;
  transition: color .18s ease, text-decoration-color .18s ease;
}

.page-faq .faq-inline-link a:hover,
.page-faq .faq-inline-link a:focus-visible {
  color: var(--gold);
  text-decoration-color: var(--gold);
}

/* ---------- 纠错 ---------- */
.page-faq .faq-correct {
  display: grid;
  gap: 22px;
}

.page-faq .faq-correct .faq-sec-head {
  margin-bottom: 18px;
}

.page-faq .faq-correction-note {
  margin: 18px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background-color: rgba(240, 160, 60, .07);
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--mist);
}

/* ---------- 引用 ---------- */
.page-faq .faq-quote-box {
  padding: 20px 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  background-image:
    linear-gradient(180deg, rgba(18, 48, 74, .82), rgba(10, 26, 42, .9));
}

.page-faq .faq-quote-label {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold-deep);
}

.page-faq .faq-quote-sample {
  margin: 12px 0 0;
  padding: 12px 14px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-sm);
  font-family: var(--font-num);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--glow);
  user-select: all;
}

.page-faq .faq-quote-list {
  margin: 16px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--mist);
}

.page-faq .faq-quote-list li::marker {
  color: var(--gold);
  font-family: var(--font-num);
}

.page-faq .faq-quote-hint {
  margin: 14px 0 0;
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--mist);
}

/* ---------- 问答墙 ---------- */
.page-faq .faq-wall {
  position: relative;
}

.page-faq .faq-radio {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-faq .faq-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.page-faq .faq-tabs label {
  padding: 7px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--mist);
  cursor: pointer;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}

.page-faq .faq-tabs label:hover {
  color: var(--white);
  border-color: var(--gold);
}

.page-faq #faq-f-all:checked ~ .faq-tabs label[for="faq-f-all"],
.page-faq #faq-f-search:checked ~ .faq-tabs label[for="faq-f-search"],
.page-faq #faq-f-field:checked ~ .faq-tabs label[for="faq-f-field"],
.page-faq #faq-f-update:checked ~ .faq-tabs label[for="faq-f-update"],
.page-faq #faq-f-fix:checked ~ .faq-tabs label[for="faq-f-fix"],
.page-faq #faq-f-quote:checked ~ .faq-tabs label[for="faq-f-quote"] {
  background-color: var(--gold);
  border-color: var(--gold);
  color: #0A1A2A;
  font-weight: 600;
}

.page-faq #faq-f-all:focus-visible ~ .faq-tabs label[for="faq-f-all"],
.page-faq #faq-f-search:focus-visible ~ .faq-tabs label[for="faq-f-search"],
.page-faq #faq-f-field:focus-visible ~ .faq-tabs label[for="faq-f-field"],
.page-faq #faq-f-update:focus-visible ~ .faq-tabs label[for="faq-f-update"],
.page-faq #faq-f-fix:focus-visible ~ .faq-tabs label[for="faq-f-fix"],
.page-faq #faq-f-quote:focus-visible ~ .faq-tabs label[for="faq-f-quote"] {
  outline: 2px solid var(--glow);
  outline-offset: 2px;
}

.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq #faq-f-search:checked ~ .faq-list .faq-item,
.page-faq #faq-f-field:checked ~ .faq-list .faq-item,
.page-faq #faq-f-update:checked ~ .faq-list .faq-item,
.page-faq #faq-f-fix:checked ~ .faq-list .faq-item,
.page-faq #faq-f-quote:checked ~ .faq-list .faq-item {
  display: none;
}

.page-faq #faq-f-search:checked ~ .faq-list .faq-item--search,
.page-faq #faq-f-field:checked ~ .faq-list .faq-item--field,
.page-faq #faq-f-update:checked ~ .faq-list .faq-item--update,
.page-faq #faq-f-fix:checked ~ .faq-list .faq-item--fix,
.page-faq #faq-f-quote:checked ~ .faq-list .faq-item--quote {
  display: block;
}

.page-faq .faq-item {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background-color: var(--faq-item-bg);
  overflow: hidden;
  transition: border-color .18s ease, background-color .18s ease;
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background-color: var(--gold);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .24s ease;
}

.page-faq .faq-item[open]::before {
  transform: scaleY(1);
}

.page-faq .faq-item:hover {
  border-color: var(--line-strong);
}

.page-faq .faq-item[open] {
  background-color: var(--faq-item-bg-on);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 18px;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.56;
  color: var(--white);
}

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

.page-faq .faq-q-code {
  flex: none;
  padding-top: 3px;
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--gold-deep);
}

.page-faq .faq-q-text {
  flex: 1 1 auto;
}

.page-faq .faq-q::after {
  content: "+";
  flex: none;
  margin-left: 6px;
  font-family: var(--font-num);
  font-size: 18px;
  line-height: 1.2;
  color: var(--gold);
  transition: transform .2s ease;
}

.page-faq .faq-item[open] .faq-q::after {
  content: "−";
}

.page-faq .faq-q:focus-visible {
  outline: 2px solid var(--glow);
  outline-offset: -2px;
}

.page-faq .faq-a {
  padding: 0 18px 18px 46px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

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

.page-faq .faq-a p + p {
  margin-top: 10px;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 780px) {
  .page-faq .faq-ticker {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-defs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-band-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }

  .page-faq .faq-retrieve {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
    gap: 30px;
  }

  .page-faq .faq-correct {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
    gap: 30px;
  }

  .page-faq .faq-rounds {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-quote-box {
    padding: 26px 26px 24px;
  }

  .page-faq .faq-q {
    padding: 17px 22px;
    font-size: 15.5px;
  }

  .page-faq .faq-a {
    padding: 0 22px 20px 60px;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-hero {
    padding-top: 42px;
  }

  .page-faq .faq-section {
    margin-top: 72px;
  }

  .page-faq .faq-a {
    max-width: 86ch;
  }
}
<<<END>>>