.page-faq {
  --faq-axis-w: 230px;
  --faq-line-warm: #E8DCC9;
  display: block;
}

.page-faq .faq-wrap {
  display: flex;
  flex-direction: column;
  gap: clamp(30px, 5.5vw, 68px);
  padding-block: clamp(16px, 3vw, 32px) clamp(40px, 7vw, 88px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  padding: clamp(22px, 4.6vw, 52px);
  border-radius: var(--r-lg);
  color: #fff;
  background:
    radial-gradient(120% 140% at 88% 6%, rgba(11, 95, 255, .46) 0%, rgba(11, 95, 255, 0) 58%),
    linear-gradient(158deg, var(--ink) 0%, var(--ink-2) 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, .06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, .06) 1px, transparent 1px);
  background-size: 54px 54px;
  -webkit-mask-image: linear-gradient(115deg, #000 8%, transparent 74%);
  mask-image: linear-gradient(115deg, #000 8%, transparent 74%);
}

.page-faq .faq-hero__copy,
.page-faq .faq-hero__plate {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .index-label {
  color: rgba(255, 255, 255, .62);
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(28px, 6vw, 54px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 40ch;
  font-size: clamp(15px, 2.5vw, 17px);
  line-height: 1.88;
  color: rgba(255, 255, 255, .78);
}

.page-faq .faq-hero .tag-row {
  margin-top: 22px;
}

.page-faq .faq-hero .tag {
  background: rgba(255, 255, 255, .09);
  border: 1px solid rgba(255, 255, 255, .18);
  color: #fff;
}

.page-faq .faq-hero .tag--warm {
  background: rgba(255, 106, 43, .16);
  border-color: rgba(255, 106, 43, .42);
}

.page-faq .faq-hero .tag__dot {
  background: var(--orange);
}

.page-faq .faq-hero__plate {
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .14);
  background: rgba(255, 255, 255, .04);
}

.page-faq .faq-hero__plate img {
  display: block;
  width: 100%;
  height: auto;
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    align-items: center;
    gap: clamp(32px, 4.5vw, 60px);
  }
}

/* ---------- 高频三问 ---------- */
.page-faq .faq-quick__head {
  max-width: 48ch;
}

.page-faq .faq-quick__head h2 {
  margin: 10px 0 0;
  font-size: clamp(23px, 4.2vw, 34px);
  line-height: 1.26;
  letter-spacing: -0.01em;
  font-weight: 700;
}

.page-faq .faq-quick__list {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-quick__item {
  display: flex;
}

.page-faq .faq-quick__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  padding: 22px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--mist);
  color: inherit;
  text-decoration: none;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-quick__card:hover {
  transform: translateY(-2px);
  border-color: var(--blue-pale);
  box-shadow: var(--shadow-card);
}

.page-faq .faq-quick__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--orange);
}

.page-faq .faq-quick__card h3 {
  margin: 0;
  font-size: 17px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-quick__card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--graphite);
}

.page-faq .faq-quick__more {
  margin-top: auto;
  padding-top: 8px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--blue);
}

.page-faq .faq-quick__more::after {
  content: "";
  width: 6px;
  height: 6px;
  border-right: 1.6px solid currentColor;
  border-bottom: 1.6px solid currentColor;
  transform: rotate(-45deg);
  transition: transform .18s var(--ease);
}

.page-faq .faq-quick__card:hover .faq-quick__more::after {
  transform: rotate(-45deg) translate(2px, -2px);
}

@media (min-width: 900px) {
  .page-faq .faq-quick__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

/* ---------- 主题轴 + 问答组 ---------- */
.page-faq .faq-board {
  display: grid;
  gap: clamp(22px, 3.5vw, 36px);
}

.page-faq .faq-board__axis {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-board__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--graphite);
}

.page-faq .coord-axis {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-faq .coord-axis::-webkit-scrollbar {
  display: none;
}

.page-faq .coord-axis__tick {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 15px;
  border-radius: var(--pill);
  background: var(--mist);
  color: var(--graphite);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: background .18s var(--ease), color .18s var(--ease);
}

.page-faq .coord-axis__tick::before {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue);
  opacity: .45;
  transition: background .18s var(--ease), opacity .18s var(--ease);
}

.page-faq .coord-axis__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  opacity: .7;
}

.page-faq .coord-axis__tick:hover {
  background: var(--blue-pale);
  color: var(--blue-deep);
}

.page-faq .coord-axis__tick.is-active {
  background: var(--blue);
  color: #fff;
}

.page-faq .coord-axis__tick.is-active::before {
  background: var(--orange);
  opacity: 1;
}

.page-faq .faq-groups {
  display: flex;
  flex-direction: column;
  gap: clamp(18px, 3vw, 28px);
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: 110px;
  padding: clamp(18px, 3vw, 30px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: #fff;
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(19px, 3vw, 23px);
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.page-faq .faq-group__sum {
  flex: 1 1 100%;
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--graphite);
}

.page-faq .qa {
  margin-top: 12px;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  background: var(--mist);
  transition: background .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .qa[open] {
  background: #fff;
  border-color: var(--blue-pale);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  border-radius: var(--r-md);
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 2.4vw, 16.5px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
}

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

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

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

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

.page-faq .qa__no {
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--blue);
}

.page-faq .qa[open] .qa__no {
  color: var(--orange);
}

.page-faq .qa__sign {
  flex: 0 0 auto;
  margin-left: auto;
  margin-top: 3px;
  position: relative;
  width: 18px;
  height: 18px;
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  border-radius: 2px;
  background: var(--blue);
  transition: transform .18s var(--ease), opacity .18s var(--ease);
}

.page-faq .qa__sign::before {
  left: 0;
  right: 0;
  top: 8px;
  height: 2px;
}

.page-faq .qa__sign::after {
  top: 0;
  bottom: 0;
  left: 8px;
  width: 2px;
}

.page-faq .qa[open] .qa__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .qa__a {
  padding: 0 16px 16px;
}

.page-faq .qa__a p {
  margin: 0 0 10px 32px;
  padding-left: 14px;
  border-left: 2px solid var(--blue-pale);
  font-size: clamp(14.5px, 2.4vw, 15.5px);
  line-height: 1.9;
  color: var(--graphite);
}

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

.page-faq .hl {
  padding: 0 2px;
  font-weight: 600;
  color: var(--ink);
  background: linear-gradient(transparent 58%, var(--orange-pale) 58%);
}

@media (min-width: 960px) {
  .page-faq .faq-board {
    grid-template-columns: var(--faq-axis-w) minmax(0, 1fr);
    gap: clamp(34px, 5vw, 64px);
    align-items: start;
  }

  .page-faq .faq-board__axis {
    position: sticky;
    top: 96px;
  }

  .page-faq .coord-axis {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0;
    border-left: 2px solid var(--line);
  }

  .page-faq .coord-axis__tick {
    margin-left: -2px;
    padding: 10px 14px 10px 20px;
    border-radius: 0 var(--pill) var(--pill) 0;
    background: transparent;
  }

  .page-faq .coord-axis__tick::before {
    position: absolute;
    left: -5px;
    top: 50%;
    transform: translateY(-50%);
  }

  .page-faq .coord-axis__tick:hover {
    background: var(--blue-pale);
  }

  .page-faq .coord-axis__tick.is-active {
    background: var(--blue-pale);
    color: var(--blue-deep);
    font-weight: 700;
  }

  .page-faq .coord-axis__tick.is-active::before {
    background: var(--orange);
    opacity: 1;
    transform: translateY(-50%) scale(1.4);
  }
}

/* ---------- 收尾引导 ---------- */
.page-faq .faq-closing {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  padding: clamp(22px, 4vw, 46px);
  border-radius: var(--r-lg);
  border: 1px solid var(--faq-line-warm);
  background: var(--paper);
}

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

.page-faq .faq-closing .index-label {
  color: var(--brown);
  opacity: .62;
}

.page-faq .faq-closing h2 {
  margin: 10px 0 0;
  font-size: clamp(23px, 4.2vw, 33px);
  line-height: 1.26;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--brown);
}

.page-faq .faq-closing__lede {
  margin: 14px 0 0;
  max-width: 42ch;
  font-size: 15px;
  line-height: 1.85;
  color: #4A3E30;
}

.page-faq .faq-closing__points {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-closing__points li {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--faq-line-warm);
  font-size: 14.5px;
  line-height: 1.8;
  color: #4A3E30;
}

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

.page-faq .faq-closing__key {
  font-weight: 700;
  color: var(--brown);
}

.page-faq .faq-peers {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-peer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 12px;
  padding: 8px 8px 8px 16px;
  border-radius: var(--pill);
  border: 1px solid var(--faq-line-warm);
  background: #fff;
  font-size: 14px;
}

.page-faq .faq-peer__key {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--graphite);
}

.page-faq .faq-peer__val {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--ink);
  word-break: break-all;
}

.page-faq .faq-peer .copy-btn {
  margin-left: auto;
}

.page-faq .faq-closing__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-faq .faq-closing__figure {
  margin: 0;
  min-width: 0;
}

.page-faq .figure-frame__media {
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--faq-line-warm);
}

.page-faq .figure-frame__media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .figure-frame__cap {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--graphite);
}

@media (min-width: 920px) {
  .page-faq .faq-closing {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    align-items: center;
    gap: clamp(32px, 4.5vw, 60px);
  }
}

@media (max-width: 420px) {
  .page-faq .faq-closing__points li {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-faq .qa__a p {
    margin-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick__card,
  .page-faq .faq-quick__more::after,
  .page-faq .qa__sign::before,
  .page-faq .qa__sign::after,
  .page-faq .coord-axis__tick {
    transition: none;
  }

  .page-faq .faq-quick__card:hover {
    transform: none;
  }
}