.page-faq {
  --faq-hair: 1px solid var(--grid);
  background: var(--bg);
  color: var(--paper);
  overflow-x: clip;
}

.page-faq [id] {
  scroll-margin-top: 128px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  padding: 96px 0 44px;
  border-bottom: var(--faq-hair);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.45;
  -webkit-mask-image: radial-gradient(120% 90% at 12% 0%, #000 8%, transparent 72%);
  mask-image: radial-gradient(120% 90% at 12% 0%, #000 8%, transparent 72%);
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
  margin-bottom: 32px;
}

.page-faq .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--ease-dur) var(--ease), border-color var(--ease-dur) var(--ease);
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: end;
}

.page-faq .faq-eyebrow {
  margin: 0 0 18px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-eyebrow__num {
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-faq .faq-title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(30px, 7.2vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-hero__lead {
  margin: 20px 0 0;
  max-width: 40ch;
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__media {
  margin: 0;
  border: var(--faq-hair);
  background: var(--panel);
}

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

/* ---------- 区块骨架 ---------- */
.page-faq .faq-block {
  padding: 48px 0;
  border-top: var(--faq-hair);
}

.page-faq .faq-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.page-faq .faq-index {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-faq .faq-index::after {
  content: "";
  display: inline-block;
  width: 30px;
  height: 1px;
  margin-left: 10px;
  vertical-align: middle;
  background: var(--grid);
}

.page-faq .faq-h2 {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(21px, 4.4vw, 30px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-lead {
  margin: 0 0 28px;
  max-width: 62ch;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 人群对照表 ---------- */
.page-faq .persona-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.page-faq .persona-head {
  display: none;
}

.page-faq .persona-list {
  border-top: var(--faq-hair);
}

.page-faq .persona-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 16px 0;
  border-bottom: var(--faq-hair);
  transition: background-color var(--ease-dur) var(--ease), box-shadow var(--ease-dur) var(--ease);
}

.page-faq .persona-row:hover {
  background: var(--panel);
  box-shadow: inset 2px 0 0 var(--cyan);
}

.page-faq .persona-who {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-faq .persona-num {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan-soft);
}

.page-faq .persona-jump {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 16px;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--ease-dur) var(--ease), border-color var(--ease-dur) var(--ease);
}

.page-faq .persona-jump:hover,
.page-faq .persona-jump:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-faq .persona-scene {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .persona-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .persona-tag {
  display: inline-block;
  padding: 5px 9px;
  border: 1px solid var(--grid);
  font-size: 12px;
  line-height: 1.4;
  color: var(--mist);
  text-decoration: none;
  transition: color var(--ease-dur) var(--ease), border-color var(--ease-dur) var(--ease), background-color var(--ease-dur) var(--ease);
}

.page-faq .persona-tag:hover,
.page-faq .persona-tag:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  background: var(--raise);
}

.page-faq .persona-figure {
  margin: 0;
  border: var(--faq-hair);
  background: var(--panel);
}

/* ---------- 步骤条 ---------- */
.page-faq .faq-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  background: var(--grid);
  border: var(--faq-hair);
}

.page-faq .faq-steps li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: var(--panel);
}

.page-faq .faq-step-num {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .faq-step-text {
  font-family: var(--font-serif);
  font-size: 13px;
  line-height: 1.7;
  color: var(--paper);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-qa {
  border-top: var(--faq-hair);
}

.page-faq .disclosure {
  border-bottom: var(--faq-hair);
}

.page-faq .disclosure-trigger {
  position: relative;
  display: flex;
  width: 100%;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0 16px 16px;
  border: 0;
  background: none;
  color: var(--paper);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
  transition: color var(--ease-dur) var(--ease), background-color var(--ease-dur) var(--ease);
}

.page-faq .disclosure-trigger::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--ease-dur) var(--ease);
}

.page-faq .disclosure-trigger[aria-expanded="true"]::before {
  transform: scaleY(1);
}

.page-faq .disclosure-trigger:hover {
  color: var(--cyan-soft);
  background: var(--panel);
}

.page-faq .disclosure-trigger:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-mark {
  position: relative;
  flex: 0 0 14px;
  width: 14px;
  height: 14px;
  margin-top: 5px;
}

.page-faq .faq-mark::before,
.page-faq .faq-mark::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform var(--ease-dur) var(--ease), opacity var(--ease-dur) var(--ease);
}

.page-faq .faq-mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 1px;
}

.page-faq .faq-mark::after {
  left: 6px;
  top: 0;
  width: 1px;
  height: 14px;
}

.page-faq .disclosure-trigger[aria-expanded="true"] .faq-mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .disclosure-panel[data-open="false"] {
  display: none;
}

.page-faq .disclosure-panel[data-open="true"] {
  display: block;
}

.page-faq .disclosure-inner {
  padding: 0 0 20px 16px;
  border-left: 2px solid var(--grid);
  margin-left: 0;
}

.page-faq .disclosure-inner p {
  margin: 0;
  max-width: 62ch;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .disclosure-inner a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--raise);
  transition: border-color var(--ease-dur) var(--ease);
}

.page-faq .disclosure-inner a:hover,
.page-faq .disclosure-inner a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 支持区块 ---------- */
.page-faq .faq-block--support {
  background: linear-gradient(180deg, var(--panel) 0%, var(--bg) 78%);
  border-top: 1px solid var(--cyan);
}

.page-faq .faq-links {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 32px;
  background: var(--grid);
  border: var(--faq-hair);
}

.page-faq .faq-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: var(--bg);
  text-decoration: none;
  transition: background-color var(--ease-dur) var(--ease), box-shadow var(--ease-dur) var(--ease);
}

.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible {
  background: var(--raise);
  box-shadow: inset 2px 0 0 var(--cyan);
}

.page-faq .faq-link-k {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-faq .faq-link-t {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 14px;
  color: var(--paper);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero {
    padding: 112px 0 56px;
  }

  .page-faq .faq-block {
    padding: 60px 0;
  }

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

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

@media (min-width: 760px) {
  .page-faq .persona-head,
  .page-faq .persona-row {
    display: grid;
    grid-template-columns: 148px minmax(0, 1fr) 226px;
    gap: 20px;
    align-items: start;
  }

  .page-faq .persona-head {
    padding: 0 10px 10px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    color: var(--mist);
  }

  .page-faq .persona-row {
    padding: 18px 10px;
  }

  .page-faq .persona-who {
    flex-direction: column;
    gap: 4px;
  }

  .page-faq .disclosure-trigger {
    padding: 20px 0 20px 18px;
    font-size: 16px;
  }

  .page-faq .disclosure-inner {
    padding: 0 0 24px 18px;
  }

  .page-faq .faq-lead {
    font-size: 15px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
  }

  .page-faq .faq-block {
    padding: 72px 0;
  }

  .page-faq .persona-wrap {
    grid-template-columns: minmax(0, 1fr) 244px;
    gap: 48px;
  }

  .page-faq .faq-head {
    margin-bottom: 22px;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-hero {
    padding: 128px 0 72px;
  }

  .page-faq .persona-wrap {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .persona-row,
  .page-faq .disclosure-trigger,
  .page-faq .disclosure-trigger::before,
  .page-faq .faq-mark::before,
  .page-faq .faq-mark::after,
  .page-faq .faq-link,
  .page-faq .persona-tag,
  .page-faq .persona-jump,
  .page-faq .breadcrumb a {
    transition: none;
  }
}
<<<END>>>