/* ===== 帮助中心（/support/）页面专属样式 ===== */
.page-faq {
  background: var(--paper-bg);
  color: var(--ink);
  padding-bottom: 64px;
  overflow-x: clip;
}

.page-faq * {
  box-sizing: border-box;
}

/* --- 面包屑 --- */
.page-faq .faq-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 16px 0 0;
  font-size: 13px;
  color: var(--ink-2);
}

.page-faq .faq-crumb a {
  color: var(--ink-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-faq .faq-crumb a:hover {
  color: var(--vermilion);
  border-bottom-color: var(--vermilion);
}

.page-faq .faq-crumb__sep {
  color: var(--rule);
}

.page-faq .faq-crumb__here {
  color: var(--ink);
}

/* --- 首屏 --- */
.page-faq .faq-hero {
  padding: 22px 0 0;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 30px;
}

.page-faq .faq-hero__kicker {
  margin: 0 0 16px;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--amber-deep);
}

.page-faq .faq-hero h1 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 7vw, 54px);
  line-height: 1.18;
  letter-spacing: 0.01em;
  max-width: 15em;
}

.page-faq .faq-hero__mark {
  position: relative;
  display: inline-block;
}

.page-faq .faq-hero__mark::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.06em;
  height: 4px;
  background: var(--vermilion);
}

.page-faq .faq-hero__intro {
  margin: 0 0 14px;
  max-width: 42em;
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--ink);
}

.page-faq .faq-hero__hint {
  margin: 0;
  max-width: 40em;
  font-size: 13px;
  line-height: 1.85;
  color: var(--ink-2);
}

.page-faq .faq-hero__panel {
  background: var(--sheet);
  border: 1px solid var(--rule);
  border-top: 3px solid var(--mineral);
  box-shadow: var(--shadow-paper);
  padding: 20px 20px 18px;
}

.page-faq .faq-hero__panel-title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--ink-2);
}

.page-faq .faq-facts {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-faq .faq-facts__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 0;
  border-bottom: 1px solid var(--rule);
}

.page-faq .faq-facts__row:last-child {
  border-bottom: 0;
}

.page-faq .faq-facts dt {
  font-size: 13px;
  color: var(--ink-2);
}

.page-faq .faq-facts dd {
  margin: 0;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--mineral);
  text-align: right;
}

.page-faq .faq-hero__panel-note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--rule);
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--ink-2);
}

/* --- 双栏骨架 --- */
.page-faq .faq-layout {
  display: grid;
  gap: 44px;
  padding-top: 52px;
}

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

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

.page-faq .faq-index {
  display: none;
}

/* --- 内容区块 --- */
.page-faq .faq-block {
  margin-bottom: 62px;
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-block:last-of-type {
  margin-bottom: 40px;
}

.page-faq .faq-block__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 18px;
  padding-bottom: 12px;
  margin-bottom: 24px;
  border-bottom: 2px solid var(--mineral);
}

.page-faq .faq-block__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 3.4vw, 30px);
  line-height: 1.3;
}

.page-faq .faq-block__note {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink-2);
  white-space: nowrap;
}

/* --- 五步说明 --- */
.page-faq .faq-figure {
  margin: 0 0 26px;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--rule);
  scroll-margin-top: calc(var(--header-h) + 24px);
  transition: background-color var(--dur) var(--ease);
}

.page-faq .faq-step:hover {
  background: var(--sheet);
}

.page-faq .faq-step__num {
  font-size: 26px;
  line-height: 1;
  font-weight: 500;
  color: var(--vermilion);
  letter-spacing: -0.02em;
  padding-top: 4px;
}

.page-faq .faq-step__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 18.5px;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-step__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-2);
}

/* --- 五步路径图 --- */
.page-faq .faq-path {
  display: none;
  margin: 30px 0 0;
}

.page-faq .faq-path svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .faq-path line {
  stroke: var(--amber);
  stroke-width: 1.5;
  stroke-dasharray: 2 10;
  stroke-linecap: round;
}

.page-faq .faq-path__node circle {
  fill: var(--sheet);
  stroke: var(--amber);
  stroke-width: 2;
}

.page-faq .faq-path__num text {
  fill: var(--amber-deep);
  font-family: var(--font-mono);
  font-size: 16px;
  text-anchor: middle;
}

.page-faq .faq-path__label text {
  fill: var(--ink-2);
  font-family: var(--font-head);
  font-size: 15px;
  text-anchor: middle;
}

/* --- 问答折叠 --- */
.page-faq .faq-list {
  display: grid;
  gap: 12px;
}

.page-faq .faq-item {
  background: var(--sheet);
  border: 1px solid var(--rule);
  box-shadow: 6px 6px 0 -4px rgba(216, 213, 205, 0.75);
  transition: border-color var(--dur) var(--ease);
}

.page-faq .faq-item:hover {
  border-color: var(--ink-2);
}

.page-faq .faq-item[open] {
  border-color: var(--mineral);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.65;
  color: var(--ink);
  transition: color var(--dur-fast) var(--ease);
}

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

.page-faq .faq-item__q::marker {
  content: "";
}

.page-faq .faq-item__q::before {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  margin-top: 8px;
  background: var(--rule);
  transition: background-color var(--dur-fast) var(--ease);
}

.page-faq .faq-item[open] .faq-item__q::before {
  background: var(--vermilion);
}

.page-faq .faq-item__q::after {
  content: "+";
  margin-left: auto;
  padding-left: 10px;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.4;
  color: var(--cyan-deep);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "–";
  color: var(--vermilion);
}

.page-faq .faq-item__q:hover {
  color: var(--vermilion-deep);
}

.page-faq .faq-item__a {
  padding: 0 16px 18px 35px;
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.95;
  color: var(--ink-2);
}

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

.page-faq .faq-item__a .mono {
  color: var(--mineral);
  font-weight: 600;
}

@keyframes faq-reveal {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .faq-item[open] .faq-item__a {
  animation: faq-reveal 220ms var(--ease) both;
}

/* --- 自助与人工 --- */
.page-faq .faq-split {
  display: grid;
  gap: 26px;
}

.page-faq .faq-split__lead {
  margin: 0 0 20px;
  font-size: 15.5px;
  line-height: 1.95;
  color: var(--ink);
}

.page-faq .faq-checklist {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-checklist li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-2);
}

.page-faq .faq-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 12px;
  height: 2px;
  background: var(--vermilion);
}

.page-faq .faq-split__note {
  margin: 0;
  padding: 14px 16px;
  border-left: 3px solid var(--amber);
  background: var(--sheet);
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--ink-2);
}

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

/* --- 底部入口 --- */
.page-faq .faq-cta {
  margin-top: 8px;
  padding: 26px 22px;
  background: var(--deep);
  border-left: 4px solid var(--vermilion);
}

.page-faq .faq-cta__text {
  margin: 0 0 18px;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--sheet);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* --- 断点 --- */
@media (min-width: 640px) {
  .page-faq .faq-step {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 22px;
    padding: 24px 0;
  }

  .page-faq .faq-step__num {
    font-size: 32px;
  }

  .page-faq .faq-item__q {
    padding: 17px 20px;
    font-size: 16.5px;
  }

  .page-faq .faq-item__a {
    padding: 0 20px 20px 39px;
  }

  .page-faq .faq-cta {
    padding: 32px 30px;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-path {
    display: block;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-top: 30px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

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

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 36px;
    align-items: start;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 228px;
    gap: 62px;
    align-items: start;
    padding-top: 62px;
  }

  .page-faq .faq-main {
    max-width: 780px;
  }

  .page-faq .faq-index {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 26px);
    padding-left: 18px;
    border-left: 1px solid var(--rule);
  }

  .page-faq .faq-index__list {
    display: grid;
    gap: 2px;
  }

  .page-faq .faq-index__link {
    display: flex;
    align-items: baseline;
    gap: 10px;
    padding: 7px 0;
    font-size: 13px;
    color: var(--ink-2);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
  }

  .page-faq .faq-index__link .mono {
    flex: none;
    font-size: 11px;
    color: var(--amber-deep);
  }

  .page-faq .faq-index__link:hover {
    color: var(--ink);
    border-bottom-color: var(--rule);
  }

  .page-faq .faq-index__link[data-active] {
    color: var(--vermilion);
    border-bottom-color: var(--vermilion);
  }

  .page-faq .faq-index__link[data-active] .mono {
    color: var(--vermilion);
  }
}

.page-faq .faq-index__label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--ink-2);
}

.page-faq .faq-index__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--rule);
  font-size: 12px;
  line-height: 1.8;
  color: var(--ink-2);
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] .faq-item__a {
    animation: none;
  }

  .page-faq .faq-step,
  .page-faq .faq-item,
  .page-faq .faq-item__q,
  .page-faq .faq-item__q::before,
  .page-faq .faq-index__link {
    transition: none;
  }
}
<<<END>>>