.page-faq {
  --faq-row: 56px;
  --faq-indent: 32px;
  --faq-single: 760px;
  display: block;
}

.page-faq .faq-wrap {
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.page-faq [id] {
  scroll-margin-top: 88px;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding-block: clamp(48px, 8vw, 96px) clamp(32px, 4.5vw, 52px);
}

.page-faq .faq-hero .eyebrow {
  margin: 0 0 clamp(16px, 2vw, 24px);
}

.page-faq .faq-hero h1 {
  margin: 0;
  max-width: 22ch;
  font-family: var(--f-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.08;
  color: var(--white);
}

.page-faq .faq-hero .lede {
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.8;
  color: var(--dim);
}

.page-faq .faq-hero__ticks {
  margin-top: clamp(28px, 4vw, 44px);
  height: 9px;
  background-image: repeating-linear-gradient(90deg, var(--stroke) 0 1px, transparent 1px 26px);
  background-position: left bottom;
  background-size: auto 100%;
  border-bottom: 1px solid var(--stroke);
  opacity: 0.9;
}

/* ---------- 锚点目录 ---------- */

.page-faq .faq-index {
  display: flex;
  flex-wrap: wrap;
  gap: 0 clamp(18px, 2.6vw, 34px);
  padding-block: clamp(6px, 1.4vw, 14px) 0;
  border-bottom: var(--edge);
}

.page-faq .faq-index__item {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding-block: 12px 14px;
  font-family: var(--f-serif);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.3;
  color: var(--dim);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-index__item:hover,
.page-faq .faq-index__item:focus-visible {
  color: var(--white);
  border-bottom-color: var(--green);
}

.page-faq .faq-index__num {
  font-family: var(--f-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--green);
}

/* ---------- 上半段：两条并列折页 ---------- */

.page-faq .faq-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(36px, 5vw, 56px);
  padding-block: clamp(36px, 5vw, 68px) clamp(24px, 3vw, 40px);
}

/* ---------- 分组 ---------- */

.page-faq .faq-group__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: var(--edge);
}

.page-faq .faq-group__head::before {
  content: "";
  flex: none;
  width: 3px;
  height: 20px;
  background: var(--stroke);
  transition: background var(--dur) var(--ease), height var(--dur) var(--ease);
}

.page-faq .faq-group:hover .faq-group__head::before {
  background: var(--orange);
  height: 30px;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(19px, 2.1vw, 25px);
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--white);
}

/* ---------- 折页条目 ---------- */

.page-faq .faq-list {
  display: block;
}

.page-faq .faq-item {
  border-bottom: var(--edge);
}

.page-faq .faq-item__q {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  min-height: var(--faq-row);
  padding: 12px 0;
  cursor: pointer;
  list-style: none;
  transition: padding-left var(--dur) var(--ease);
}

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

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

.page-faq .faq-item__num {
  font-family: var(--f-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--dim);
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-item__text {
  font-family: var(--f-body);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.55;
  color: var(--white);
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-item__mark {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--green);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-item__mark::before {
  left: 0;
  top: 6.5px;
  width: 14px;
  height: 1.5px;
}

.page-faq .faq-item__mark::after {
  left: 6.5px;
  top: 0;
  width: 1.5px;
  height: 14px;
}

.page-faq .faq-item:hover .faq-item__text {
  color: var(--mist);
}

.page-faq .faq-item:hover .faq-item__num {
  color: var(--green);
}

.page-faq .faq-item[open] > .faq-item__q {
  padding-left: var(--faq-indent);
}

.page-faq .faq-item[open] > .faq-item__q::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 3px;
  background: var(--orange);
}

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

.page-faq .faq-item[open] .faq-item__mark::before {
  background: var(--orange);
}

.page-faq .faq-item[open] .faq-item__mark::after {
  transform: scaleY(0);
  background: var(--orange);
}

.page-faq .faq-item__a {
  padding: 0 var(--faq-indent) 20px var(--faq-indent);
}

.page-faq .faq-item__a p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--dim);
}

.page-faq .faq-item__a p + p {
  margin-top: 10px;
}

.page-faq .faq-item:focus-within > .faq-item__q {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

/* ---------- 复制链接 ---------- */

.page-faq .faq-copy {
  display: none;
  margin-top: 14px;
  padding: 5px 10px;
  font-family: var(--f-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--dim);
  background: transparent;
  border: 1px solid var(--stroke);
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-item[open] > .faq-item__a .faq-copy {
  display: inline-block;
}

.page-faq .faq-copy:hover,
.page-faq .faq-copy:focus-visible {
  color: var(--green);
  border-color: var(--green);
}

.page-faq .faq-copy[data-copied] {
  color: var(--orange);
  border-color: var(--orange);
}

/* ---------- 入口分叉视觉带 ---------- */

.page-faq .faq-visual {
  margin: 0;
  padding-block: clamp(12px, 2vw, 24px) clamp(8px, 1.5vw, 16px);
}

.page-faq .faq-visual img,
.page-faq .faq-phone img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-visual .media__caption,
.page-faq .faq-phone .media__caption {
  margin-top: 12px;
  font-family: var(--f-serif);
  font-size: 13px;
  line-height: 1.7;
  color: var(--dim);
}

/* ---------- 斜切分隔 ---------- */

.page-faq .faq-sep {
  height: 1px;
  margin: 0;
  margin-block: clamp(32px, 4.5vw, 60px);
  background: var(--stroke);
  transform: rotate(-0.35deg);
  transform-origin: center;
}

/* ---------- 下半段：收窄单列 ---------- */

.page-faq .faq-single {
  width: 100%;
  max-width: var(--faq-single);
  margin-inline: auto;
  display: grid;
  gap: clamp(44px, 6vw, 76px);
  padding-bottom: clamp(40px, 6vw, 72px);
}

.page-faq .faq-single .faq-group__title {
  font-size: clamp(18px, 1.9vw, 22px);
}

.page-faq .faq-phone {
  margin: clamp(24px, 3vw, 36px) 0 0;
}

.page-faq .faq-phone img {
  max-width: 420px;
  margin-inline: auto;
}

.page-faq .faq-phone .media__caption {
  max-width: 48ch;
  margin-inline: auto;
  text-align: center;
}

/* ---------- 末尾引导面板 ---------- */

.page-faq .faq-cta {
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-faq .faq-cta__panel {
  position: relative;
  overflow: hidden;
  background: var(--panel);
  border: var(--edge);
  padding: clamp(28px, 4vw, 52px);
  padding-right: clamp(28px, 8vw, 140px);
}

.page-faq .faq-cta__panel .eyebrow {
  margin: 0 0 14px;
}

.page-faq .faq-cta__title {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-faq .faq-cta__text {
  margin: 16px 0 clamp(22px, 3vw, 32px);
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--dim);
}

.page-faq .faq-cta__arrow {
  position: absolute;
  right: clamp(20px, 4vw, 48px);
  bottom: clamp(20px, 4vw, 44px);
  width: clamp(48px, 6vw, 76px);
  height: auto;
  color: var(--green);
  opacity: 0.75;
  pointer-events: none;
}

/* ---------- 桌面布局 ---------- */

@media (min-width: 900px) {
  .page-faq .faq-split {
    grid-template-columns: 1fr 1fr;
    column-gap: clamp(40px, 5vw, 88px);
  }

  .page-faq .faq-single .faq-item__text {
    font-size: 16px;
  }
}

@media (min-width: 640px) and (max-width: 899px) {
  .page-faq .faq-single {
    max-width: 100%;
  }
}

@media (max-width: 420px) {
  .page-faq {
    --faq-indent: 20px;
  }

  .page-faq .faq-index__label {
    font-size: 14px;
  }

  .page-faq .faq-hero h1 {
    max-width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__q,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after,
  .page-faq .faq-group__head::before,
  .page-faq .faq-index__item,
  .page-faq .faq-copy {
    transition: none;
  }
}