.page-faq {
  --faq-gap: clamp(18px, 3vw, 34px);
  --faq-num: clamp(2rem, 5.4vw, 3.2rem);
  --faq-pad: clamp(18px, 3.6vw, 34px);
}

.page-faq .section {
  padding-block: clamp(34px, 6vw, 76px);
}

.page-faq .container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--edge);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-block: clamp(24px, 5vw, 60px) clamp(28px, 5vw, 54px);
  background:
    radial-gradient(120% 90% at 8% -10%, rgba(53, 224, 208, 0.12), transparent 62%),
    linear-gradient(180deg, var(--deep), var(--ink) 82%);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  align-items: center;
}

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

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.05rem, 6.6vw, 3.7rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 12px 0 0;
  color: var(--warm);
}

.page-faq .faq-hero .lead {
  margin: 16px 0 0;
  color: var(--mist);
  font-size: clamp(0.95rem, 2.4vw, 1.06rem);
  line-height: 1.75;
  max-width: 54ch;
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-hero__facts div {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-faq .faq-hero__facts dt {
  font-size: 0.78rem;
  color: var(--mist);
  letter-spacing: 0.02em;
}

.page-faq .faq-hero__facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--cyan);
}

.page-faq .faq-hero__media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--moss);
}

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

/* ---------- 区块标题 ---------- */
.page-faq .faq-head {
  max-width: 62ch;
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-faq .faq-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 8px 0 0;
  color: var(--warm);
}

.page-faq .faq-head p {
  margin: 10px 0 0;
  color: var(--mist);
  line-height: 1.75;
}

/* ---------- 步骤索引 ---------- */
.page-faq .step-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(18px, 3vw, 26px);
}

.page-faq .step-jump a {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.02em;
  color: var(--mist);
  text-decoration: none;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(24, 53, 44, 0.45);
  transition: color var(--ease), border-color var(--ease), background var(--ease);
}

.page-faq .step-jump a:hover,
.page-faq .step-jump a:focus-visible {
  color: var(--warm);
  border-color: var(--cyan);
  background: var(--moss);
  outline: none;
}

/* ---------- 步骤轨道 ---------- */
.page-faq .step-track {
  list-style: none;
  margin: 0;
  padding: 0 0 0 14px;
  border-left: 2px solid var(--line);
}

.page-faq .step {
  position: relative;
  display: grid;
  grid-template-columns: clamp(2.4rem, 12vw, 3.6rem) 1fr;
  gap: 12px;
  padding: 20px 0 22px 12px;
  border-bottom: 1px dashed var(--line);
  scroll-margin-top: 110px;
}

.page-faq .step:last-child {
  border-bottom: none;
}

.page-faq .step::before {
  content: "";
  position: absolute;
  left: -21px;
  top: 26px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--cyan);
}

.page-faq .step__num {
  font-family: var(--font-mono);
  font-size: var(--faq-num);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--apricot);
  opacity: 0.9;
}

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

.page-faq .step__body h3 {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 3vw, 1.45rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  color: var(--warm);
}

.page-faq .step__body p {
  margin: 0;
  color: var(--mist);
  line-height: 1.75;
}

.page-faq .step__note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 10px !important;
  font-size: 0.83rem;
  color: var(--cyan);
}

.page-faq .back-arrow {
  color: var(--apricot);
  flex: none;
}

/* ---------- 通用面板 ---------- */
.page-faq .faq-panel {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(155deg, rgba(24, 53, 44, 0.6), rgba(14, 18, 17, 0.92));
  padding: var(--faq-pad);
}

/* ---------- 筛选与回退 ---------- */
.page-faq .filter-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3.4vw, 40px);
}

.page-faq .filter-panel__copy {
  min-width: 0;
}

.page-faq .filter-panel__copy h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 4vw, 2.2rem);
  line-height: 1.16;
  letter-spacing: -0.015em;
  margin: 8px 0 16px;
  color: var(--warm);
}

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

.page-faq .filter-list li {
  position: relative;
  padding-left: 18px;
  color: var(--mist);
  line-height: 1.75;
}

.page-faq .filter-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--apricot);
}

.page-faq .filter-list strong {
  color: var(--warm);
  font-weight: 600;
  margin-right: 4px;
}

.page-faq .filter-panel__demo {
  align-self: start;
  border: 1px dashed var(--line);
  border-radius: var(--r-md);
  padding: clamp(14px, 3vw, 22px);
  background: rgba(11, 36, 29, 0.6);
  min-width: 0;
}

.page-faq .demo-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--mist);
  text-transform: uppercase;
}

.page-faq .pill-row {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .pill {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 6px 13px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  color: var(--mist);
  background: rgba(14, 18, 17, 0.6);
  white-space: nowrap;
}

.page-faq .pill--on {
  background: var(--apricot);
  border-color: var(--apricot);
  color: var(--on-accent);
  font-weight: 600;
}

.page-faq .demo-hint {
  margin: 14px 0 0;
  font-size: 0.8rem;
  color: var(--mist);
  line-height: 1.7;
}

/* ---------- 排名区间 ---------- */
.page-faq .rank-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .rank-card {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(24, 53, 44, 0.42);
  padding: clamp(16px, 3vw, 22px);
  transition: border-color var(--ease), transform var(--ease);
}

.page-faq .rank-card:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-faq .rank-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin: 12px 0 8px;
  color: var(--warm);
}

.page-faq .rank-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--mist);
  line-height: 1.72;
}

.page-faq .rank-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: var(--r-sm);
  background: var(--moss);
  color: var(--warm);
}

.page-faq .rank-tag--gold {
  background: var(--gold);
  color: var(--on-accent);
}

.page-faq .rank-tag--cyan {
  background: var(--cyan);
  color: var(--on-accent);
}

.page-faq .rank-tag--danger {
  background: var(--danger);
  color: var(--warm);
}

.page-faq .rank-note {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--apricot);
  font-size: 0.86rem;
  color: var(--mist);
  line-height: 1.75;
}

/* ---------- 前瞻阅读 ---------- */
.page-faq .forecast-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3.4vw, 44px);
  align-items: start;
}

.page-faq .forecast-copy {
  min-width: 0;
}

.page-faq .forecast-copy h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 4vw, 2.2rem);
  line-height: 1.16;
  letter-spacing: -0.015em;
  margin: 8px 0 12px;
  color: var(--warm);
}

.page-faq .forecast-copy p {
  margin: 0 0 18px;
  color: var(--mist);
  line-height: 1.75;
}

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

.page-faq .data-rows li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .data-rows__k {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  color: var(--apricot);
}

.page-faq .data-rows__v {
  color: var(--warm);
  font-size: 0.94rem;
  line-height: 1.7;
}

/* ---------- FAQ ---------- */
.page-faq .faq-faq__media {
  margin: 0 0 clamp(20px, 3.4vw, 32px);
  overflow: hidden;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
}

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

.page-faq .faq-groups {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.6vw, 40px);
}

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

.page-faq .faq-group h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 3vw, 1.35rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
  color: var(--warm);
}

.page-faq .faq-group__n {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--moss);
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--cyan);
}

.page-faq .faq-group__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--mist);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  padding: 2px 9px;
}

.page-faq .qa {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(24, 53, 44, 0.34);
  margin-bottom: 8px;
  transition: border-color var(--ease), background var(--ease);
}

.page-faq .qa:hover {
  border-color: var(--cyan);
}

.page-faq .qa[open] {
  border-color: var(--apricot);
  background: rgba(24, 53, 44, 0.6);
}

.page-faq .qa summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  padding: 13px 15px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--warm);
  line-height: 1.6;
}

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

.page-faq .qa summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1.3;
  color: var(--apricot);
}

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

.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

.page-faq .qa__body {
  padding: 0 15px 15px;
}

.page-faq .qa__body p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 客服联系 ---------- */
.page-faq .help-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: center;
  padding: var(--faq-pad);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(90% 130% at 100% 0%, rgba(255, 122, 60, 0.16), transparent 62%),
    linear-gradient(155deg, var(--moss), var(--deep));
}

.page-faq .help-panel__copy h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 3.8vw, 2rem);
  line-height: 1.16;
  letter-spacing: -0.015em;
  margin: 8px 0 10px;
  color: var(--warm);
}

.page-faq .help-panel__copy p {
  margin: 0;
  color: var(--mist);
  line-height: 1.75;
  max-width: 56ch;
}

.page-faq .help-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 桌面 ---------- */
@media (min-width: 820px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 1.08fr 0.92fr;
  }

  .page-faq .filter-panel {
    grid-template-columns: 1.15fr 0.85fr;
  }

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

  .page-faq .forecast-grid {
    grid-template-columns: 0.85fr 1.15fr;
  }

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

  .page-faq .help-panel {
    grid-template-columns: 1.2fr auto;
    gap: 32px;
  }

  .page-faq .data-rows li {
    grid-template-columns: 10rem 1fr;
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 1180px) {
  .page-faq .rank-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .step {
    grid-template-columns: 4.4rem 1fr;
    padding: 24px 0 26px 18px;
  }
}
<<<END>>>