.page-faq {
  --faq-grid-gap: 16px;
  --faq-hair: rgba(183, 198, 217, 0.16);
}

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

.page-faq .breadcrumb {
  margin: 20px 0 0;
}

/* ---------- 首屏 ---------- */
.page-faq .guide-hero {
  padding: 12px 0 44px;
}

.page-faq .guide-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}

.page-faq .guide-hero h1 {
  margin: 10px 0 16px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 7.6vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--paper);
}

.page-faq .guide-hero__lead {
  margin: 0 0 28px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .guide-hero__figure {
  margin: 28px 0 0;
}

/* ---------- 技能树 ---------- */
.page-faq .skill-tree {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .skill-tree > li {
  position: relative;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  column-gap: 16px;
  padding-bottom: 24px;
}

.page-faq .skill-tree > li:last-child {
  padding-bottom: 0;
}

.page-faq .skill-tree > li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 23px;
  top: 50px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(180deg, var(--ice) 0%, rgba(99, 230, 222, 0.06) 100%);
}

.page-faq .skill-node__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 44px;
  border: var(--edge);
  background: var(--slate);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  box-shadow: var(--hard-sm);
}

.page-faq .skill-node__text {
  margin: 0;
  padding-top: 2px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .skill-node__text strong {
  display: block;
  margin-bottom: 4px;
  font-size: 17px;
  font-weight: 800;
  color: var(--paper);
  line-height: 1.45;
}

/* ---------- 编号速查卡 ---------- */
.page-faq .quick-index {
  padding: 18px 18px 16px;
}

.page-faq .quick-index__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-faq .quick-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .quick-index__list li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--faq-hair);
  font-size: 14.5px;
  color: var(--mist);
}

.page-faq .quick-index__list li:last-child {
  border-bottom: 0;
}

.page-faq .quick-index__list b {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--ice);
}

.page-faq .quick-index__note {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .quick-index__link {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 2px solid var(--lava);
  padding-bottom: 1px;
}

.page-faq .quick-index__link:hover,
.page-faq .quick-index__link:focus-visible {
  color: var(--paper);
}

/* ---------- 章节骨架 ---------- */
.page-faq .guide-section {
  position: relative;
  padding: 50px 0;
}

.page-faq .guide-section::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--lava) 0 96px, var(--faq-hair) 96px 100%);
}

/* ---------- 索引核对 ---------- */
.page-faq .check-grid {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-grid-gap);
}

.page-faq .check-card {
  padding: 20px 18px;
  border: var(--edge);
  background: var(--bg-2);
  box-shadow: var(--hard-sm);
}

.page-faq .check-card__title {
  margin: 12px 0 8px;
  font-size: 18px;
  font-weight: 800;
  color: var(--paper);
  line-height: 1.4;
}

.page-faq .check-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 栏目速查 ---------- */
.page-faq .column-grid {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .column-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 6px;
  align-items: center;
  padding: 16px 18px;
  border: var(--edge);
  background: var(--bg-2);
  box-shadow: var(--hard-sm);
}

.page-faq .column-row__name {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  color: var(--paper);
  line-height: 1.4;
}

.page-faq .column-row__desc,
.page-faq .column-row__use {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-faq .column-row__use {
  font-size: 13.5px;
  color: var(--ice);
}

/* ---------- 标签工作台 ---------- */
.page-faq .tag-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  margin: 26px 0 30px;
}

.page-faq .tag-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .tag-list li {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 12px 14px;
  border-left: 3px solid var(--ice);
  background: var(--bg-2);
}

.page-faq .tag-list__key {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-faq .tag-list__val {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .tag-layout__figure {
  margin: 0;
}

.page-faq .tab-panel {
  margin-top: 14px;
  padding: 18px;
  border: var(--edge);
  background: var(--bg-2);
  box-shadow: var(--hard-sm);
}

.page-faq .tab-panel__lead {
  margin: 0 0 10px;
  font-size: 13.5px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ice);
}

.page-faq .tab-panel__list {
  margin: 0;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .tab-panel__list li {
  margin-bottom: 6px;
}

.page-faq .tab-panel__list li:last-child {
  margin-bottom: 0;
}

/* ---------- 时间戳阅读 ---------- */
.page-faq .time-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin-top: 26px;
}

.page-faq .time-block__title {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 800;
  color: var(--paper);
  line-height: 1.4;
}

.page-faq .time-block > p {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

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

/* ---------- 常见问题 ---------- */
.page-faq .faq-group {
  margin-top: 28px;
}

.page-faq .faq-group__title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 14px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--gold);
}

.page-faq .faq-item {
  margin-bottom: 10px;
  border: var(--edge);
  background: var(--bg-2);
  box-shadow: var(--hard-sm);
}

.page-faq .faq-item summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 14px 46px 14px 16px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--paper);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--lava);
}

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

.page-faq .faq-item[open] summary {
  border-bottom: 2px solid var(--lava);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 2px;
}

.page-faq .faq-item p {
  margin: 0;
  padding: 14px 16px 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 联系前准备 ---------- */
.page-faq .contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  margin-top: 26px;
}

.page-faq .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .prep-item {
  padding: 16px 18px;
  border: var(--edge);
  background: var(--bg-2);
  box-shadow: var(--hard-sm);
}

.page-faq .prep-item strong {
  display: block;
  margin-bottom: 6px;
  font-size: 16px;
  font-weight: 800;
  color: var(--gold);
}

.page-faq .prep-item span {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-faq .contact-block {
  padding: 22px 20px;
  border: var(--edge);
  background: linear-gradient(150deg, var(--bg-2) 0%, var(--slate) 100%);
  box-shadow: var(--hard);
}

.page-faq .contact-block__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 800;
  color: var(--paper);
}

.page-faq .contact-block__text {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .contact-block__meta {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px 14px;
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--faq-hair);
  font-size: 14px;
}

.page-faq .contact-block__meta dt {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--ice);
}

.page-faq .contact-block__meta dd {
  margin: 0;
  color: var(--paper);
  overflow-wrap: anywhere;
  line-height: 1.6;
}

.page-faq .contact-block__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .next-links {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-faq .next-links a {
  display: block;
  padding: 16px 18px;
  border: var(--edge);
  background: var(--bg-2);
  box-shadow: var(--hard-sm);
  text-decoration: none;
  color: var(--paper);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-faq .next-links a:hover,
.page-faq .next-links a:focus-visible {
  border-color: var(--lava);
  box-shadow: var(--hard);
}

.page-faq .next-links a:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 2px;
}

.page-faq .next-links__k {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--ice);
}

.page-faq .next-links__v {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-faq .check-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-faq .guide-hero {
    padding: 20px 0 62px;
  }

  .page-faq .guide-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 46px;
  }

  .page-faq .guide-hero__side {
    position: sticky;
    top: 96px;
  }

  .page-faq .guide-section {
    padding: 64px 0;
  }

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

  .page-faq .tag-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
    gap: 28px;
  }

  .page-faq .time-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px;
  }

  .page-faq .contact-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: 28px;
  }
}

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