.page-faq {
  --faq-dark: var(--green-deep);
  --faq-dark-2: var(--green-tactic);
  --faq-panel: var(--white);
  --faq-step-gap: clamp(18px, 2.6vw, 32px);
}

/* ---------- 顶部上下文 ---------- */
.page-faq .faq-topbar {
  padding-top: clamp(18px, 3vw, 34px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero-inner {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
  padding-top: clamp(26px, 4vw, 52px);
  padding-bottom: clamp(36px, 5vw, 76px);
}

.page-faq .faq-hero-copy .h1 {
  margin: 16px 0 0;
}

.page-faq .faq-lede {
  margin: 22px 0 0;
  max-width: 46ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink);
}

.page-faq .faq-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3vw, 34px);
}

.page-faq .faq-hero-figure {
  margin: 0;
  position: relative;
  border: 1px solid var(--line);
  background: var(--faq-dark);
  overflow: hidden;
}

.page-faq .faq-hero-figure::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--cyan) 34%, var(--green-tactic) 62%, transparent 100%);
  z-index: 2;
}

.page-faq .faq-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-faq .faq-hero-figure .media-caption {
  margin: 0;
  padding: 12px 16px;
  background: var(--faq-dark);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
}

/* ---------- 快速索引 ---------- */
.page-faq .faq-index {
  border-top: 1px solid var(--line);
}

.page-faq .faq-index-range {
  font-size: 12px;
  color: var(--steel);
  letter-spacing: .18em;
}

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

.page-faq .faq-index-list li {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-index-list a {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 18px 12px;
  color: var(--ink);
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-index-num {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--steel);
  transition: color var(--dur) var(--ease);
  flex: 0 0 auto;
}

.page-faq .faq-index-text {
  font-size: 16px;
  line-height: 1.6;
}

.page-faq .faq-index-list a:hover,
.page-faq .faq-index-list a:focus-visible {
  background: var(--faq-dark);
  color: var(--paper);
}

.page-faq .faq-index-list a:hover .faq-index-num,
.page-faq .faq-index-list a:focus-visible .faq-index-num {
  color: var(--cyan);
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-block {
  border-top: 1px solid var(--line);
}

.page-faq .faq-block-head {
  display: grid;
  gap: 14px;
  max-width: 62ch;
  margin-bottom: clamp(26px, 3.6vw, 44px);
}

.page-faq .faq-block-head--split {
  max-width: none;
}

.page-faq .faq-block-lede {
  margin: 0;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.85;
}

.page-faq .faq-inline-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-left: 3px solid var(--green-tactic);
  background: var(--paper);
  overflow: hidden;
}

.page-faq .faq-inline-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-faq .faq-inline-figure .media-caption {
  margin: 0;
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--green-tactic);
}

/* ---------- 步骤条 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0 0 clamp(30px, 4vw, 48px);
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-step {
  background: var(--paper);
  padding: clamp(22px, 2.4vw, 30px) clamp(20px, 2.2vw, 28px);
  transition: background var(--dur) var(--ease);
}

.page-faq .faq-step:hover,
.page-faq .faq-step:focus-within {
  background: var(--faq-panel);
}

.page-faq .faq-step-num {
  display: block;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--orange);
}

.page-faq .faq-step .h3 {
  margin: 12px 0 8px;
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-qa {
  border-top: 1px solid var(--line);
}

.page-faq .qa-item {
  border-bottom: 1px solid var(--line);
}

.page-faq .qa-item > summary {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 20px 4px;
  cursor: pointer;
  list-style: none;
  transition: background var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

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

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

.page-faq .qa-item > summary:hover {
  background: rgba(255, 122, 26, .05);
  padding-left: 10px;
}

.page-faq .qa-item > summary:focus-visible {
  outline: 1px solid var(--orange);
  outline-offset: 2px;
}

.page-faq .qa-num {
  flex: 0 0 auto;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--steel);
  transition: color var(--dur) var(--ease);
}

.page-faq .qa-item > summary:hover .qa-num,
.page-faq .qa-item[open] > summary .qa-num {
  color: var(--orange);
}

.page-faq .qa-q {
  flex: 1 1 auto;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--ink);
}

.page-faq .qa-item > .fold-body {
  padding: 0 4px 22px calc(4px + 3.2em);
}

.page-faq .qa-item > .fold-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink);
  max-width: 66ch;
}

/* ---------- 套餐表格 ---------- */
.page-faq .faq-price-wrap {
  margin-bottom: clamp(28px, 4vw, 46px);
  border: 1px solid var(--line);
  background: var(--faq-panel);
}

.page-faq .faq-table-caption {
  caption-side: top;
  text-align: left;
  padding: 14px 16px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--green-tactic);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-price-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
}

.page-faq .faq-price-table th,
.page-faq .faq-price-table td {
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.7;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-price-table tbody th {
  font-weight: 500;
  color: var(--ink);
  white-space: nowrap;
}

.page-faq .faq-price-table tbody tr {
  transition: background var(--dur) var(--ease);
}

.page-faq .faq-price-table tbody tr:hover,
.page-faq .faq-price-table tbody tr[data-highlight] {
  background: rgba(14, 59, 46, .05);
}

.page-faq .faq-price-table .num {
  text-align: right;
  color: var(--orange);
  font-weight: 600;
}

/* ---------- 设备分区 ---------- */
.page-faq .faq-device-split {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: clamp(28px, 4vw, 46px);
}

.page-faq .faq-device-card {
  background: var(--paper);
  padding: clamp(24px, 3vw, 36px) clamp(20px, 2.6vw, 34px);
}

.page-faq .faq-device-card--dark {
  background: var(--faq-dark);
  color: var(--paper);
}

.page-faq .faq-device-tag {
  display: inline-block;
  margin: 0 0 14px;
  padding: 4px 10px;
  font-size: 11px;
  letter-spacing: .18em;
  border: 1px solid var(--line);
  color: var(--steel);
}

.page-faq .faq-device-card--dark .faq-device-tag {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-faq .faq-device-card .h3 {
  margin: 0 0 16px;
}

.page-faq .faq-device-card--dark .h3 {
  color: var(--paper);
}

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

.page-faq .faq-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .faq-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 1px;
  background: var(--orange);
}

.page-faq .faq-device-card--dark .faq-list li::before {
  background: var(--cyan);
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-block--support {
  border-top: 1px solid var(--line);
}

.page-faq .faq-support {
  display: grid;
  gap: clamp(26px, 3.6vw, 46px);
  background: var(--faq-dark);
  border: 1px solid var(--faq-dark);
  padding: clamp(28px, 4vw, 52px) clamp(22px, 3.4vw, 48px);
  position: relative;
  overflow: hidden;
}

.page-faq .faq-support::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -60px;
  width: 200px;
  height: 200px;
  background: var(--faq-dark-2);
  transform: rotate(18deg);
  opacity: .55;
  pointer-events: none;
}

.page-faq .faq-support-main {
  position: relative;
  z-index: 1;
}

.page-faq .faq-support-eyebrow {
  color: var(--cyan);
}

.page-faq .faq-support .h2 {
  color: var(--paper);
  margin: 12px 0 0;
}

.page-faq .faq-support-lede {
  margin: 18px 0 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(244, 241, 232, .82);
}

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

.page-faq .faq-btn-ondark {
  color: var(--paper);
  border-color: rgba(61, 242, 208, .45);
}

.page-faq .faq-btn-ondark:hover,
.page-faq .faq-btn-ondark:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-faq .faq-contact {
  position: relative;
  z-index: 1;
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(61, 242, 208, .3);
}

.page-faq .faq-contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(61, 242, 208, .3);
}

.page-faq .faq-contact-row dt {
  flex: 0 0 84px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-faq .faq-contact-row dd {
  margin: 0;
  flex: 1 1 auto;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-faq .faq-index-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-bottom: 1px solid var(--line);
  }

  .page-faq .faq-index-list li {
    border-bottom: none;
    border-top: 1px solid var(--line);
  }

  .page-faq .faq-index-list li:nth-child(odd) {
    border-right: 1px solid var(--line);
  }

  .page-faq .faq-index-list li:nth-child(-n + 2) {
    border-top: none;
  }

  .page-faq .faq-index-list a {
    height: 100%;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: clamp(36px, 4.4vw, 64px);
  }

  .page-faq .faq-block-head--split {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: center;
    gap: clamp(30px, 4vw, 56px);
  }

  .page-faq .faq-support {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-step {
    padding: 34px 32px 38px;
  }
}
<<<END>>>