.page-faq {
  --faq-line: 1px solid var(--grid);
  --faq-gap: clamp(20px, 3vw, 32px);
  color: var(--fog);
}

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

.page-faq [id] {
  scroll-margin-top: 24px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-block: clamp(24px, 4vw, 48px) clamp(32px, 5vw, 60px);
  border-bottom: var(--faq-line);
  background:
    linear-gradient(180deg, rgba(31, 240, 208, 0.04), transparent 60%);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--fog);
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 38em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--fog);
  opacity: 0.86;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .faq-status {
  padding: 18px 20px 20px;
  background: var(--panel);
  border: var(--faq-line);
}

.page-faq .faq-status__row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 12px;
  border-bottom: var(--faq-line);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ash);
}

/* ---------- 通用数据行 ---------- */
.page-faq .data-list {
  display: grid;
  gap: 0;
}

.page-faq .data-list__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  gap: 16px;
  align-items: start;
  padding: 12px 0;
  border-bottom: 1px solid var(--grid);
}

.page-faq .data-list__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .data-list__key {
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0.05em;
  color: var(--ash);
}

.page-faq .data-list__val {
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.6;
  text-align: right;
  color: var(--fog);
  overflow-wrap: anywhere;
}

/* ---------- 跳转条 ---------- */
.page-faq .faq-jump {
  display: flex;
  gap: 8px;
  padding-block: 18px;
  overflow-x: auto;
  border-bottom: var(--faq-line);
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-jump__link {
  flex: 0 0 auto;
  padding: 9px 14px;
  border: 1px solid var(--grid);
  background: var(--deep);
  color: var(--fog);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  outline: none;
}

/* ---------- 布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 0;
  padding-block: clamp(28px, 5vw, 52px);
}

.page-faq .faq-toc {
  padding: 16px 18px;
  margin-bottom: 24px;
  border: var(--faq-line);
  background: var(--deep);
}

.page-faq .faq-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ash);
}

.page-faq .faq-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-faq .faq-toc__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 8px 0;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--fog);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease);
}

.page-faq .faq-toc__link span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible,
.page-faq .faq-toc__link[aria-current="location"] {
  color: var(--cyan);
  outline: none;
}

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

/* ---------- 章节 ---------- */
.page-faq .faq-block {
  padding-block: clamp(28px, 4vw, 44px);
  border-top: var(--faq-line);
}

.page-faq .faq-body > .faq-block:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-block__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  margin-bottom: 20px;
}

.page-faq .faq-block__num {
  padding-top: 6px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-faq .faq-block h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-faq .faq-block__sub {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ash);
}

.page-faq .faq-p {
  margin: 0 0 20px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--fog);
  opacity: 0.88;
}

.page-faq .faq-p--note {
  margin-top: 18px;
  margin-bottom: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ash);
  opacity: 1;
}

.page-faq .faq-p--note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 三条筛选路径 ---------- */
.page-faq .faq-steps3 {
  display: grid;
  gap: 12px;
}

.page-faq .step-card {
  padding: 18px;
  border: var(--faq-line);
  background: var(--panel);
}

.page-faq .step-card__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq .step-card h3 {
  margin: 10px 0 8px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  color: var(--fog);
}

.page-faq .step-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ash);
}

/* ---------- 三步流程 ---------- */
.page-faq .faq-flow {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  border-top: var(--faq-line);
}

.page-faq .faq-flow li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: var(--faq-line);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--fog);
}

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

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

.page-faq .faq-flow strong {
  color: var(--fog);
}

/* ---------- 分栏 + 图片 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: 22px;
  margin-top: 4px;
}

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

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

.page-faq .faq-media--3x2 img {
  aspect-ratio: 3 / 2;
}

.page-faq .faq-media--10x7 img {
  aspect-ratio: 10 / 7;
}

.page-faq .faq-media figcaption {
  padding: 11px 14px;
  border-top: var(--faq-line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  letter-spacing: 0.05em;
  color: var(--ash);
}

/* ---------- 换设备三格状态 ---------- */
.page-faq .faq-check {
  display: grid;
  gap: 12px;
  margin-top: 4px;
}

.page-faq .check {
  padding: 18px;
  border: var(--faq-line);
  border-top: 3px solid var(--cyan);
  background: var(--deep);
}

.page-faq .check:nth-child(2) {
  border-top-color: var(--amber);
}

.page-faq .check:nth-child(3) {
  border-top-color: var(--green);
}

.page-faq .check__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ash);
}

.page-faq .check h3 {
  margin: 10px 0 8px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  color: var(--fog);
}

.page-faq .check p {
  margin: 0 0 14px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ash);
}

/* ---------- 异常提示 ---------- */
.page-faq .faq-alert {
  padding: 18px 20px;
  border: var(--faq-line);
  border-left: 3px solid var(--red);
  background: var(--deep);
}

.page-faq .faq-alert strong {
  display: block;
  margin-bottom: 10px;
  font-size: 15.5px;
  color: var(--fog);
}

.page-faq .faq-alert p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ash);
}

.page-faq .faq-alert__line {
  margin-top: 14px;
  padding-top: 12px;
  border-top: var(--faq-line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

/* ---------- 联系卡 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 16px;
}

.page-faq .faq-contact__card {
  padding: 18px 20px;
  border: var(--faq-line);
  background: var(--panel);
}

.page-faq .faq-contact__card--tip {
  background: var(--deep);
  border-color: var(--grid);
}

.page-faq .faq-contact__card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-faq .faq-contact__note {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ash);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-acc {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: var(--faq-line);
  background: var(--deep);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

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

.page-faq .faq-item summary {
  position: relative;
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 15px 44px 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--fog);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 13px;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.4;
  color: var(--cyan);
}

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

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

.page-faq .faq-item__idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-faq .faq-item__body {
  padding: 14px 18px 18px;
  border-top: var(--faq-line);
  font-size: 14px;
  line-height: 1.8;
  color: var(--ash);
}

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

.page-faq .faq-item__body ol {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 6px;
}

.page-faq .faq-item__body li::marker {
  font-family: var(--font-mono);
  color: var(--cyan);
}

/* ---------- 结尾行动 ---------- */
.page-faq .faq-cta {
  margin-top: 24px;
  padding: 22px 20px;
  border: var(--faq-line);
  border-left: 3px solid var(--amber);
  background: linear-gradient(120deg, var(--panel), var(--deep) 72%);
}

.page-faq .faq-cta h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(18px, 2.6vw, 22px);
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-faq .faq-cta p {
  margin: 0 0 18px;
  max-width: 52em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ash);
}

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

/* ---------- 媒体查询 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-steps3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 860px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 32px;
    align-items: start;
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 24px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 48px;
    align-items: end;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 24px;
    margin-bottom: 0;
  }

  .page-faq .faq-block__head {
    gap: 20px;
  }
}
<<<END>>>