.page-faq {
  --faq-hair: rgba(42, 74, 63, 0.62);
  --faq-cyan-soft: rgba(51, 225, 196, 0.12);
  --faq-amber-soft: rgba(245, 166, 58, 0.12);
  display: block;
  overflow-x: clip;
  background: var(--ink);
  color: var(--fog);
}

.page-faq .faq-mono {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--pale);
  letter-spacing: 0.01em;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: clamp(44px, 7vw, 88px) 0 clamp(36px, 5vw, 64px);
  background:
    radial-gradient(120% 90% at 88% -10%, rgba(51, 225, 196, 0.11), transparent 55%),
    linear-gradient(180deg, var(--ink) 0%, var(--deep) 100%);
  isolation: isolate;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(42, 74, 63, 0.4) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 74, 63, 0.4) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.32;
  pointer-events: none;
  z-index: 0;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 84%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 84%);
}

.page-faq .faq-hero .container {
  position: relative;
  z-index: 1;
}

.page-faq .breadcrumb {
  margin-bottom: clamp(22px, 3.5vw, 38px);
  font-size: 13px;
}

.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
}

.page-faq .faq-h1 {
  margin: 0 0 20px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(38px, 8.2vw, 82px);
  line-height: 1.04;
  letter-spacing: 0.02em;
  color: var(--fog);
  text-wrap: balance;
}

.page-faq .faq-hero-copy .lede {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: var(--mist);
}

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

.page-faq .faq-hero-aside {
  align-self: start;
  padding: 22px 22px 8px;
  background: rgba(23, 53, 43, 0.78);
  border-top: 3px solid var(--cyan);
}

.page-faq .faq-side-title {
  margin: 0 0 14px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

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

.page-faq .faq-fact {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px 14px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid var(--faq-hair);
}

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

.page-faq .faq-fact dt {
  font-size: 13px;
  color: var(--mist);
  letter-spacing: 0.02em;
}

.page-faq .faq-fact dd {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--fog);
  text-align: right;
}

.page-faq .faq-shot {
  margin: clamp(30px, 5vw, 52px) 0 0;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--faq-hair);
  background: var(--ink-2);
}

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

.page-faq .faq-shot--hero img {
  aspect-ratio: 12 / 5;
}

.page-faq .faq-shot--hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 64px;
  height: 64px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  pointer-events: none;
}

/* ---------- 三步路径条 ---------- */

.page-faq .faq-path {
  background: var(--panel);
  border-top: 1px solid var(--grid);
  border-bottom: 1px solid var(--grid);
  padding: clamp(24px, 3.6vw, 38px) 0 clamp(26px, 3.8vw, 42px);
}

.page-faq .faq-path-note {
  margin: 0 0 20px;
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--mist);
}

.page-faq .faq-path-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .faq-path-item > a {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px 14px;
  padding: 14px 16px;
  text-decoration: none;
  color: var(--fog);
  background: rgba(8, 19, 15, 0.55);
  border-left: 2px solid var(--cyan);
  transition: background 200ms ease, border-color 200ms ease;
}

.page-faq .faq-path-item > a:hover,
.page-faq .faq-path-item > a:focus-visible {
  background: var(--faq-cyan-soft);
  border-left-color: var(--amber);
}

.page-faq .faq-path-idx {
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-faq .faq-path-title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-faq .faq-path-time {
  margin-left: auto;
  font-size: 12.5px;
  color: var(--mist);
  white-space: nowrap;
}

/* ---------- 内容区块 ---------- */

.page-faq .faq-block {
  position: relative;
  padding: clamp(52px, 8vw, 100px) 0;
}

.page-faq .faq-block--a,
.page-faq .faq-block--c,
.page-faq .faq-block--e {
  background: var(--ink);
}

.page-faq .faq-block--b,
.page-faq .faq-block--d,
.page-faq .faq-block--f {
  background: var(--ink-2);
  border-top: 1px solid var(--faq-hair);
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-block-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: clamp(28px, 4.5vw, 54px);
}

.page-faq .faq-block-idx {
  font-family: var(--font-mono);
  font-size: clamp(38px, 7vw, 78px);
  font-weight: 700;
  line-height: 0.82;
  letter-spacing: -0.03em;
  color: var(--cyan);
  opacity: 0.3;
}

.page-faq .faq-h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(25px, 4.3vw, 42px);
  line-height: 1.14;
  letter-spacing: 0.015em;
  color: var(--fog);
  text-wrap: balance;
}

.page-faq .faq-block-lede {
  margin: 0;
  max-width: 66ch;
  font-size: clamp(15px, 1.6vw, 16.5px);
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

/* ---------- 步骤列表 ---------- */

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: faqstep;
}

.page-faq .faq-steps > li {
  position: relative;
  padding: 20px 0 20px 46px;
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-steps > li:last-child {
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-steps > li::before {
  counter-increment: faqstep;
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 21px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-faq .faq-steps > li strong {
  display: block;
  margin-bottom: 7px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--fog);
}

.page-faq .faq-steps > li p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 侧栏卡片 ---------- */

.page-faq .faq-side {
  align-self: start;
  padding: 24px 22px 22px;
  background: var(--panel);
  border-top: 3px solid var(--grid);
}

.page-faq .faq-side--cyan {
  border-top-color: var(--cyan);
}

.page-faq .faq-side--amber {
  border-top-color: var(--amber);
}

.page-faq .faq-side-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-side-list li {
  position: relative;
  padding: 0 0 14px 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-side-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 2px;
  background: var(--cyan);
}

.page-faq .faq-side-list li:last-child {
  padding-bottom: 0;
}

.page-faq .faq-facts--stack .faq-fact {
  grid-template-columns: 1fr;
  gap: 4px;
}

.page-faq .faq-facts--stack .faq-fact dd {
  text-align: left;
}

.page-faq .faq-side-link {
  display: inline-block;
  margin-top: 18px;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(51, 225, 196, 0.45);
  padding-bottom: 2px;
  transition: color 200ms ease, border-color 200ms ease;
}

.page-faq .faq-side-link:hover,
.page-faq .faq-side-link:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 复盘阅读 ---------- */

.page-faq .faq-review-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-faq .faq-read-order {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
}

.page-faq .faq-read-step {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-read-step:first-child {
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-read-num {
  font-family: var(--font-mono);
  font-size: 25px;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-faq .faq-read-title {
  margin: 0 0 8px;
  font-size: 16.5px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--fog);
}

.page-faq .faq-read-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-callout {
  padding: 18px 20px;
  background: linear-gradient(90deg, var(--faq-cyan-soft), transparent 88%);
  border-left: 2px solid var(--cyan);
}

.page-faq .faq-callout p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--pale);
}

.page-faq .faq-shot--review {
  margin: 0;
}

.page-faq .faq-shot--review img {
  aspect-ratio: 9 / 7;
}

/* ---------- 更新节奏 ---------- */

.page-faq .faq-timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-timeline-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px 16px;
  align-items: start;
  padding: 22px 0;
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-timeline-time {
  grid-column: 1 / -1;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-faq .faq-timeline-body h3 {
  margin: 0 0 7px;
  font-size: 16.5px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--fog);
}

.page-faq .faq-timeline-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-status-key {
  margin-top: clamp(32px, 4.5vw, 52px);
  padding: 24px 22px 22px;
  background: var(--panel);
  border-left: 3px solid var(--cyan);
}

.page-faq .faq-status-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-status-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.page-faq .faq-status-text {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-aside-note {
  margin: clamp(24px, 3.5vw, 36px) 0 0;
  padding-left: 18px;
  border-left: 2px solid var(--amber);
  max-width: 74ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--pale);
}

/* ---------- 核对表字段 ---------- */

.page-faq .faq-fields {
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-field {
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-field-sum {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 2px;
  transition: background 200ms ease;
}

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

.page-faq .faq-field-sum:hover,
.page-faq .faq-field-sum:focus-visible {
  background: rgba(51, 225, 196, 0.06);
}

.page-faq .faq-field-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--mist);
  flex: 0 0 auto;
}

.page-faq .faq-field-name {
  font-family: var(--font-head);
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--fog);
  flex: 1 1 auto;
}

.page-faq .faq-field-body {
  margin: 0;
  padding: 0 2px 18px 40px;
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-preset {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: preset;
}

.page-faq .faq-preset li {
  position: relative;
  padding: 0 0 16px 30px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-preset li::before {
  counter-increment: preset;
  content: counter(preset);
  position: absolute;
  left: 0;
  top: 2px;
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--ink);
  background: var(--amber);
}

.page-faq .faq-preset li:last-child {
  padding-bottom: 0;
}

/* ---------- 折叠问答 ---------- */

.page-faq .faq-qa {
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-q {
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-q-sum {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 21px 4px;
  transition: background 200ms ease;
}

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

.page-faq .faq-q-sum:hover,
.page-faq .faq-q-sum:focus-visible {
  background: rgba(51, 225, 196, 0.05);
}

.page-faq .faq-q-text {
  font-size: clamp(15px, 1.8vw, 17px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--fog);
  transition: color 200ms ease;
}

.page-faq .faq-q-sum:hover .faq-q-text,
.page-faq .faq-q-sum:focus-visible .faq-q-text {
  color: var(--cyan);
}

.page-faq .faq-q-body {
  padding: 0 4px 24px;
  max-width: 78ch;
}

.page-faq .faq-q-body p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

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

.page-faq .faq-q-body strong {
  color: var(--pale);
}

/* ---------- 加减号 ---------- */

.page-faq .faq-sign {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
}

.page-faq .faq-sign::before,
.page-faq .faq-sign::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform 220ms ease, opacity 220ms ease;
}

.page-faq .faq-sign::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .faq-sign::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

.page-faq .faq-q[open] .faq-sign::after,
.page-faq .faq-field[open] .faq-sign::after {
  transform: scaleY(0);
  opacity: 0;
}

/* ---------- 收尾 ---------- */

.page-faq .faq-cta {
  background:
    radial-gradient(90% 120% at 12% 0%, var(--faq-amber-soft), transparent 62%),
    var(--deep);
  border-top: 1px solid var(--grid);
  padding: clamp(48px, 7vw, 88px) 0;
}

.page-faq .faq-cta-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

.page-faq .faq-cta-copy .eyebrow {
  margin-bottom: 12px;
}

.page-faq .faq-cta-copy h2 {
  max-width: 22ch;
}

.page-faq .faq-cta-copy p {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

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

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-faq .faq-path-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }

  .page-faq .faq-path-item > a {
    position: relative;
    background: transparent;
    border-left: 0;
    padding: 26px 26px 0 0;
    flex-wrap: nowrap;
  }

  .page-faq .faq-path-item > a:hover,
  .page-faq .faq-path-item > a:focus-visible {
    background: transparent;
  }

  .page-faq .faq-path-item > a::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 10px;
    height: 10px;
    background: var(--cyan);
    box-shadow: 0 0 0 4px rgba(51, 225, 196, 0.14);
    transition: background 200ms ease, box-shadow 200ms ease;
  }

  .page-faq .faq-path-item > a:hover::before,
  .page-faq .faq-path-item > a:focus-visible::before {
    background: var(--amber);
    box-shadow: 0 0 0 5px rgba(245, 166, 58, 0.18);
  }

  .page-faq .faq-path-item:not(:last-child) > a::after {
    content: "";
    position: absolute;
    top: 4px;
    left: 20px;
    right: 10px;
    height: 1px;
    background: linear-gradient(90deg, rgba(51, 225, 196, 0.7), rgba(51, 225, 196, 0.14));
  }

  .page-faq .faq-block-head {
    grid-template-columns: minmax(74px, auto) minmax(0, 1fr);
    column-gap: clamp(20px, 3vw, 38px);
    align-items: start;
  }

  .page-faq .faq-block-idx {
    grid-column: 1;
    grid-row: 1 / span 2;
  }

  .page-faq .faq-h2 {
    grid-column: 2;
    grid-row: 1;
  }

  .page-faq .faq-block-lede {
    grid-column: 2;
    grid-row: 2;
  }

  .page-faq .faq-timeline-item {
    grid-template-columns: 190px minmax(0, 1fr) auto;
    column-gap: clamp(18px, 2.6vw, 34px);
    align-items: center;
  }

  .page-faq .faq-timeline-time {
    grid-column: 1;
    align-self: center;
  }

  .page-faq .faq-cta-inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 64px);
    align-items: center;
  }

  .page-faq .faq-cta-actions {
    justify-content: flex-end;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-review-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(32px, 4vw, 60px);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr);
    gap: clamp(32px, 4.4vw, 72px);
    align-items: start;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-faq .faq-hero-aside {
    margin-top: 6px;
  }
}

@media (min-width: 1240px) {
  .page-faq .faq-hero-aside {
    margin-right: -12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-path-item > a,
  .page-faq .faq-field-sum,
  .page-faq .faq-q-sum,
  .page-faq .faq-q-text,
  .page-faq .faq-sign::before,
  .page-faq .faq-sign::after,
  .page-faq .faq-side-link {
    transition: none;
  }
}