.page-faq {
  --faq-hair: rgba(11, 13, 15, .12);
  --faq-gold-soft: rgba(200, 155, 60, .22);
  --faq-rail-top: calc(var(--header-h) + 96px);
  background: var(--warm-050);
  color: var(--ink-950);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  background-color: var(--ink-950);
  background-image:
    linear-gradient(158deg, rgba(200, 155, 60, .13), rgba(11, 13, 15, 0) 48%),
    repeating-linear-gradient(90deg, rgba(247, 245, 240, .045) 0 1px, transparent 1px 96px);
  color: var(--warm-050);
  padding-block: clamp(52px, 8vw, 100px) clamp(40px, 5vw, 68px);
}

.page-faq .faq-hero .crumbs {
  margin-bottom: 26px;
  color: rgba(247, 245, 240, .58);
}

.page-faq .faq-hero .crumbs a {
  color: rgba(247, 245, 240, .82);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-hero .crumbs a:hover,
.page-faq .faq-hero .crumbs a:focus-visible {
  color: var(--gold-300);
}

.page-faq .faq-title {
  max-width: 20ch;
  margin: 0 0 26px;
  color: var(--warm-050);
}

.page-faq .faq-lead {
  max-width: 62ch;
  margin: 0 0 34px;
  font-size: clamp(16px, 1.3vw, 19px);
  line-height: 1.85;
  color: rgba(247, 245, 240, .78);
}

.page-faq .faq-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero-tags .tag {
  background: rgba(247, 245, 240, .07);
}

/* ---------- 检索条 ---------- */

.page-faq .faq-search {
  position: sticky;
  top: var(--header-h);
  z-index: 30;
  background: var(--ink-800);
  border-top: 1px solid rgba(247, 245, 240, .08);
  border-bottom: 1px solid var(--faq-gold-soft);
  padding-block: 13px;
}

.page-faq .faq-search-inner {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-input-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1 1 auto;
  min-width: 0;
  border: 1px solid var(--line-dark);
  border-radius: var(--r-pill);
  padding: 2px 24px 2px 20px;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .faq-input-wrap:focus-within {
  border-color: var(--gold-500);
  background: rgba(247, 245, 240, .04);
}

.page-faq .faq-input-prefix {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold-300);
}

.page-faq .faq-input {
  flex: 1 1 auto;
  width: 100%;
  min-width: 0;
  border: 0;
  background: transparent;
  padding: 10px 0;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--warm-050);
  appearance: none;
}

.page-faq .faq-input::placeholder {
  color: rgba(247, 245, 240, .45);
}

.page-faq .faq-input:focus {
  outline: none;
}

.page-faq .faq-search-meta {
  flex: 0 0 auto;
  margin: 0;
  font-size: 12px;
  letter-spacing: .08em;
  color: rgba(247, 245, 240, .55);
}

@media (min-width: 720px) {
  .page-faq .faq-search-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }

  .page-faq .faq-search-meta {
    padding-left: 8px;
  }
}

/* ---------- 三栏骨架 ---------- */

.page-faq .faq-body {
  padding-block: 0;
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  padding-block: clamp(40px, 6vw, 76px);
}

.page-faq .faq-main {
  min-width: 0;
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 186px minmax(0, 1fr);
    grid-template-areas:
      "rail main"
      "rail aside";
    column-gap: clamp(32px, 4vw, 56px);
    row-gap: 0;
    align-items: start;
  }

  .page-faq .faq-rail {
    grid-area: rail;
    position: sticky;
    top: var(--faq-rail-top);
  }

  .page-faq .faq-main {
    grid-area: main;
  }

  .page-faq .faq-aside {
    grid-area: aside;
    margin-top: 56px;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-layout {
    grid-template-columns: 186px minmax(0, 1fr) 272px;
    grid-template-areas: "rail main aside";
    column-gap: clamp(36px, 3.4vw, 60px);
  }

  .page-faq .faq-aside {
    margin-top: 0;
    position: sticky;
    top: var(--faq-rail-top);
  }
}

/* ---------- 左侧章节索引 ---------- */

.page-faq .faq-rail-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--graphite-600);
}

.page-faq .faq-rail-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-rail-list::-webkit-scrollbar {
  height: 0;
}

.page-faq .faq-rail-link {
  display: block;
  white-space: nowrap;
  padding: 8px 14px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--graphite-600);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .faq-rail-link:hover,
.page-faq .faq-rail-link:focus-visible {
  color: var(--ink-950);
  border-color: var(--gold-500);
  background: var(--paper-100);
}

@media (min-width: 1024px) {
  .page-faq .faq-rail-list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-rail-link {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    padding: 8px 0 8px 14px;
    letter-spacing: .06em;
  }

  .page-faq .faq-rail-link:hover,
  .page-faq .faq-rail-link:focus-visible {
    background: transparent;
    border-left-color: var(--gold-300);
  }

  .page-faq .faq-rail-link.is-active {
    color: var(--ink-950);
    border-left-color: var(--gold-500);
  }
}

/* ---------- 分组标题 ---------- */

.page-faq .faq-group {
  scroll-margin-top: calc(var(--faq-rail-top) + 16px);
  margin-top: clamp(46px, 6vw, 82px);
}

.page-faq .faq-main > .faq-group:first-child {
  margin-top: 0;
}

.page-faq .faq-group + .faq-group {
  border-top: 1px solid var(--faq-hair);
  padding-top: clamp(46px, 6vw, 82px);
}

.page-faq .faq-section-label {
  display: block;
  margin-bottom: 12px;
  font-size: 12px;
  letter-spacing: .14em;
  color: #8A6A20;
}

.page-faq .faq-group-title {
  margin: 0 0 14px;
  max-width: 24ch;
}

.page-faq .faq-group-intro {
  margin: 0 0 clamp(26px, 3vw, 38px);
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--graphite-600);
}

/* ---------- 六个步骤 ---------- */

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

.page-faq .faq-step {
  border-top: 1px solid var(--faq-hair);
  padding: 20px 0 26px;
}

.page-faq .faq-step-no {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--gold-500);
}

.page-faq .faq-step-title {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.5;
  color: var(--ink-950);
}

.page-faq .faq-step-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--graphite-600);
}

@media (min-width: 640px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 34px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 40px;
  }
}

/* ---------- 图 ---------- */

.page-faq .faq-figure {
  margin: clamp(30px, 4.5vw, 46px) 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  background: var(--ink-800);
  object-fit: cover;
}

.page-faq .faq-figure--glossary {
  margin-top: clamp(26px, 4vw, 40px);
}

.page-faq .faq-figure .figure-caption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  line-height: 1.7;
  color: var(--graphite-600);
}

/* ---------- 折叠问答 ---------- */

.page-faq .faq-list {
  display: block;
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-hair);
  border-left: 3px solid transparent;
  scroll-margin-top: calc(var(--faq-rail-top) + 24px);
  transition: border-left-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .faq-item:first-child {
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-item[open] {
  border-left-color: var(--gold-500);
  background-image: linear-gradient(90deg, rgba(200, 155, 60, .1), rgba(200, 155, 60, 0) 64%);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 19px 14px 19px 18px;
  cursor: pointer;
  list-style: none;
  transition: background-color var(--dur) var(--ease);
}

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

.page-faq .faq-item > summary::marker {
  content: "";
}

.page-faq .faq-item > summary:hover,
.page-faq .faq-item > summary:focus-visible {
  background: var(--paper-100);
}

.page-faq .faq-no {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold-500);
}

.page-faq .faq-q {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.65;
  color: var(--ink-950);
}

.page-faq .faq-item > summary::after {
  content: "+";
  flex: 0 0 auto;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--gold-500);
  transition: transform var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-item[open] > summary::after {
  content: "–";
  color: #8A6A20;
}

.page-faq .faq-a {
  padding: 0 18px 24px 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--graphite-600);
}

.page-faq .faq-a p {
  margin: 0 0 12px;
  max-width: 64ch;
}

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

.page-faq .faq-a a {
  color: #8A6A20;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-a a:hover,
.page-faq .faq-a a:focus-visible {
  color: var(--signal-600);
}

@media (min-width: 720px) {
  .page-faq .faq-a {
    padding: 0 24px 26px 52px;
  }
}

/* ---------- 术语表 ---------- */

.page-faq .faq-table-wrap {
  overflow-x: auto;
  border-radius: var(--r-md);
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-terms {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-faq .faq-terms th,
.page-faq .faq-terms td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--faq-hair);
  vertical-align: top;
  line-height: 1.7;
}

.page-faq .faq-terms thead th {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .1em;
  color: var(--graphite-600);
  background: var(--paper-100);
  border-bottom-color: rgba(11, 13, 15, .18);
}

.page-faq .faq-terms tbody tr:nth-child(even) {
  background: rgba(237, 232, 223, .55);
}

.page-faq .faq-term-key {
  font-weight: 800;
  color: var(--ink-950);
  white-space: nowrap;
}

.page-faq .faq-terms td:nth-child(3) {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--graphite-600);
}

.page-faq .faq-terms tbody td:nth-child(2) {
  color: var(--graphite-600);
}

@media (max-width: 559px) {
  .page-faq .faq-terms {
    min-width: 0;
  }

  .page-faq .faq-terms th:nth-child(3),
  .page-faq .faq-terms td:nth-child(3) {
    display: none;
  }

  .page-faq .faq-terms th,
  .page-faq .faq-terms td {
    padding: 13px 12px;
  }
}

.page-faq .faq-note {
  margin: clamp(24px, 3.4vw, 34px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--graphite-600);
}

.page-faq .faq-note a {
  color: #8A6A20;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-note a:hover,
.page-faq .faq-note a:focus-visible {
  color: var(--signal-600);
}

/* ---------- 右栏 ---------- */

.page-faq .faq-aside {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  align-content: start;
  min-width: 0;
}

.page-faq .faq-panel {
  background: var(--ink-800);
  color: var(--warm-050);
  border-radius: var(--r-lg);
  padding: 22px 22px 24px;
}

.page-faq .faq-panel-title {
  margin: 0;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .01em;
  color: var(--gold-300);
}

.page-faq .faq-status-list {
  display: grid;
  gap: 14px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-status-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(247, 245, 240, .78);
}

.page-faq .faq-pill {
  flex: 0 0 auto;
  padding: 3px 10px;
  border: 1px solid currentColor;
  border-radius: var(--r-pill);
  font-size: 11px;
  letter-spacing: .08em;
  line-height: 1.6;
  white-space: nowrap;
}

.page-faq .faq-pill--ok {
  color: var(--celadon-300);
}

.page-faq .faq-pill--gold {
  color: var(--gold-300);
}

.page-faq .faq-pill--signal {
  color: var(--signal-300);
}

.page-faq .faq-panel--plain {
  background: var(--paper-100);
  color: var(--ink-950);
}

.page-faq .faq-panel--plain .faq-panel-title {
  color: var(--ink-950);
}

.page-faq .faq-panel--plain p {
  margin: 12px 0 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--graphite-600);
}

.page-faq .faq-panel-btn {
  text-decoration: none;
}

@media (min-width: 1024px) and (max-width: 1279px) {
  .page-faq .faq-aside {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
<<<END>>>