.page-faq {
  --faq-gap: clamp(18px, 2.2vw, 32px);
  --faq-pad: clamp(18px, 2.6vw, 40px);
  --faq-line: var(--zr-line);
  display: block;
  color: var(--zr-text);
}

.page-faq .zr-crumbs {
  padding: 18px 0 6px;
}

.page-faq .zr-crumbs__item + .zr-crumbs__item::before {
  content: "/";
  margin: 0 8px;
  color: var(--zr-muted);
}

/* ---------- 首屏框景 ---------- */

.page-faq .faq-hero {
  position: relative;
  display: grid;
  gap: var(--faq-gap);
  padding: var(--faq-pad);
  margin-top: 10px;
  border: 1px solid var(--faq-line);
  border-radius: var(--zr-radius);
  background:
    linear-gradient(138deg, rgba(34, 224, 214, 0.1) 0%, rgba(34, 224, 214, 0) 46%),
    linear-gradient(0deg, rgba(122, 92, 255, 0.07) 0%, rgba(122, 92, 255, 0) 60%),
    var(--zr-panel);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(237, 242, 249, 0.05) 0 1px,
    rgba(237, 242, 249, 0) 1px 5px
  );
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 88px;
  height: 2px;
  background: var(--zr-cyan);
}

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

.page-faq .faq-hero__headline h1 {
  margin: 10px 0 0;
  font-family: var(--zr-font-display);
  font-size: clamp(28px, 4.4vw, 58px);
  font-weight: 300;
  line-height: 1.16;
  letter-spacing: -0.5px;
  max-width: 20em;
}

.page-faq .faq-hero .zr-lede {
  margin-top: 18px;
  max-width: 46em;
  color: var(--zr-muted);
  font-size: 16px;
  line-height: 1.75;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__meter {
  display: grid;
  gap: 0;
  margin: 0;
  padding-top: 16px;
  border-top: 1px dashed var(--faq-line);
}

.page-faq .faq-hero__stat {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(30, 40, 57, 0.7);
}

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

.page-faq .faq-hero__stat dt {
  color: var(--zr-muted);
  font-size: 13.5px;
}

.page-faq .faq-hero__stat dd {
  margin: 0;
  color: var(--zr-cyan);
  font-size: 14px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

/* ---------- 通用区块头 ---------- */

.page-faq .faq-block__head {
  margin-bottom: 22px;
}

.page-faq .faq-block__title {
  margin: 10px 0 0;
  font-family: var(--zr-font-display);
  font-size: clamp(22px, 2.7vw, 34px);
  font-weight: 300;
  line-height: 1.24;
  letter-spacing: -0.3px;
}

.page-faq .faq-block__note {
  margin: 10px 0 0;
  max-width: 52em;
  color: var(--zr-muted);
  font-size: 14.5px;
  line-height: 1.7;
}

/* ---------- 症状定位器 ---------- */

.page-faq .faq-locator {
  padding-top: 8px;
}

.page-faq .faq-locator__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-locator__btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 18px;
  border: 1px solid var(--faq-line);
  border-radius: var(--zr-radius);
  background: rgba(18, 24, 38, 0.72);
  color: var(--zr-text);
  font-size: 15px;
  line-height: 1.5;
  text-decoration: none;
  transition: border-color var(--zr-fast) var(--zr-ease),
    background var(--zr-fast) var(--zr-ease),
    transform var(--zr-fast) var(--zr-ease);
}

.page-faq .faq-locator__btn::after {
  content: "↓";
  flex: none;
  font-family: var(--zr-font-mono);
  font-size: 14px;
  color: var(--zr-alert);
}

.page-faq .faq-locator__btn:hover {
  border-color: rgba(255, 138, 43, 0.65);
  background: rgba(255, 138, 43, 0.07);
  transform: translateY(-2px);
}

.page-faq .faq-locator__btn:focus-visible {
  outline: 2px solid var(--zr-cyan);
  outline-offset: 2px;
}

/* ---------- 问题卡片 ---------- */

.page-faq .faq-card {
  padding: var(--faq-pad);
  border: 1px solid var(--faq-line);
  border-radius: var(--zr-radius);
  background: linear-gradient(180deg, rgba(18, 24, 38, 0.88) 0%, rgba(10, 13, 20, 0.55) 100%);
  scroll-margin-top: 110px;
  transition: border-color var(--zr-fast) var(--zr-ease),
    box-shadow var(--zr-fast) var(--zr-ease);
}

.page-faq .faq-card:target {
  border-color: rgba(255, 138, 43, 0.7);
  box-shadow: 0 0 0 1px rgba(255, 138, 43, 0.22), 0 0 40px rgba(255, 138, 43, 0.1);
}

.page-faq .faq-card__head {
  margin-bottom: 20px;
}

.page-faq .faq-card__head h2 {
  margin: 10px 0 0;
  font-family: var(--zr-font-display);
  font-size: clamp(21px, 2.5vw, 32px);
  font-weight: 300;
  line-height: 1.24;
  letter-spacing: -0.3px;
}

.page-faq .faq-card__note {
  margin: 10px 0 0;
  max-width: 52em;
  color: var(--zr-muted);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-faq .faq-card__figure {
  margin: 0 0 26px;
}

/* ---------- 步骤折叠 ---------- */

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

.page-faq .faq-step {
  border-top: 1px dashed var(--faq-line);
}

.page-faq .faq-step:last-child {
  border-bottom: 1px dashed var(--faq-line);
}

.page-faq .faq-step__summary {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 2px 16px;
  align-items: center;
  padding: 16px 2px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-step__summary:hover .faq-step__name {
  color: var(--zr-cyan);
}

.page-faq .faq-step__summary:focus-visible {
  outline: 2px solid var(--zr-cyan);
  outline-offset: 2px;
  border-radius: 6px;
}

.page-faq .faq-step__idx {
  grid-column: 1;
  grid-row: 1 / span 2;
  align-self: start;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(34, 224, 214, 0.55);
  border-radius: 50%;
  font-family: var(--zr-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--zr-cyan);
}

.page-faq .faq-step__name {
  grid-column: 2;
  font-size: 16px;
  font-weight: 500;
  transition: color var(--zr-fast) var(--zr-ease);
}

.page-faq .faq-step__hint {
  grid-column: 2;
  color: var(--zr-muted);
  font-size: 13px;
  line-height: 1.6;
}

.page-faq .faq-step__panel {
  padding: 0 2px 18px 0;
}

.page-faq .faq-step__panel p {
  margin: 0 0 8px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--zr-text);
}

.page-faq .faq-step__verdict {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin: 8px 0 0;
  color: var(--zr-muted);
  font-size: 13.5px;
  line-height: 1.7;
}

.page-faq .faq-step__verdict .zr-tag {
  flex: none;
}

/* ---------- 出口条 ---------- */

.page-faq .faq-out {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 24px;
  padding: 18px 20px;
  border-left: 2px solid var(--zr-cyan);
  background: rgba(34, 224, 214, 0.06);
  border-radius: 0 var(--zr-radius) var(--zr-radius) 0;
}

.page-faq .faq-out__text {
  margin: 0;
  flex: 1 1 320px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--zr-text);
}

/* ---------- 七五分栏 ---------- */

.page-faq .faq-split {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-seq {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: faqseq;
}

.page-faq .faq-seq li {
  position: relative;
  padding-left: 46px;
  font-size: 15px;
  line-height: 1.78;
}

.page-faq .faq-seq li::before {
  counter-increment: faqseq;
  content: counter(faqseq, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  display: grid;
  place-items: center;
  width: 32px;
  height: 22px;
  border: 1px solid rgba(122, 92, 255, 0.55);
  border-radius: 6px;
  font-family: var(--zr-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--zr-violet);
}

.page-faq .faq-need {
  margin-top: 26px;
  padding: 18px 20px;
  border: 1px solid rgba(255, 138, 43, 0.42);
  border-radius: var(--zr-radius);
  background: rgba(255, 138, 43, 0.06);
}

.page-faq .faq-need .zr-index {
  color: var(--zr-alert);
}

.page-faq .faq-need__list {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-need__list li {
  position: relative;
  padding-left: 18px;
  font-family: var(--zr-font-mono);
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: var(--zr-text);
}

.page-faq .faq-need__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 2px;
  background: var(--zr-alert);
}

/* ---------- 表现与自查配对 ---------- */

.page-faq .faq-pairs {
  display: grid;
  gap: 0;
  margin: 0;
}

.page-faq .faq-pair {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(30, 40, 57, 0.85);
}

.page-faq .faq-pair:first-child {
  border-top: 1px solid rgba(30, 40, 57, 0.85);
}

.page-faq .faq-pair dt {
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--zr-text);
}

.page-faq .faq-pair dd {
  margin: 0;
  color: var(--zr-muted);
  font-size: 14px;
  line-height: 1.75;
}

.page-faq .faq-pairs--tool .faq-pair dt::before {
  content: "▸ ";
  color: var(--zr-violet);
}

/* ---------- 问答折叠 ---------- */

.page-faq .faq-qa {
  display: grid;
  gap: 10px;
}

.page-faq .faq-qa__item {
  border: 1px solid var(--faq-line);
  border-radius: var(--zr-radius);
  background: rgba(10, 13, 20, 0.5);
  transition: border-color var(--zr-fast) var(--zr-ease);
}

.page-faq .faq-qa__item[open] {
  border-color: rgba(34, 224, 214, 0.45);
}

.page-faq .faq-qa__q {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  line-height: 1.6;
}

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

.page-faq .faq-qa__q::after {
  content: "+";
  flex: none;
  font-family: var(--zr-font-mono);
  color: var(--zr-cyan);
}

.page-faq .faq-qa__item[open] .faq-qa__q::after {
  content: "−";
}

.page-faq .faq-qa__q:focus-visible {
  outline: 2px solid var(--zr-cyan);
  outline-offset: 2px;
  border-radius: 6px;
}

.page-faq .faq-qa__a {
  padding: 0 18px 18px;
}

.page-faq .faq-qa__a p {
  margin: 0;
  color: var(--zr-muted);
  font-size: 14.5px;
  line-height: 1.78;
}

/* ---------- 对照表 ---------- */

.page-faq .faq-matrix__scroll {
  overflow-x: auto;
  border: 1px solid var(--faq-line);
  border-radius: var(--zr-radius);
  background: rgba(10, 13, 20, 0.45);
}

.page-faq .faq-matrix table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-family: var(--zr-font-mono);
  font-size: 13px;
  letter-spacing: 0.03em;
}

.page-faq .faq-matrix thead th {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--faq-line);
  color: var(--zr-muted);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  white-space: nowrap;
}

.page-faq .faq-matrix tbody td {
  padding: 15px 16px;
  border-bottom: 1px solid rgba(30, 40, 57, 0.7);
  vertical-align: top;
  line-height: 1.7;
}

.page-faq .faq-matrix tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .faq-matrix tbody td:first-child {
  color: var(--zr-cyan);
  white-space: nowrap;
}

.page-faq .faq-matrix tbody tr:hover {
  background: rgba(34, 224, 214, 0.05);
}

/* ---------- 延伸入口 ---------- */

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

.page-faq .faq-next__link {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 20px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--faq-line);
  color: var(--zr-text);
  text-decoration: none;
  transition: color var(--zr-fast) var(--zr-ease),
    background var(--zr-fast) var(--zr-ease);
}

.page-faq .faq-next__link span:first-child {
  font-size: 16px;
  font-weight: 500;
}

.page-faq .faq-next__link span:last-child {
  color: var(--zr-muted);
  font-size: 12.5px;
  letter-spacing: 0.04em;
}

.page-faq .faq-next__link:hover {
  color: var(--zr-cyan);
  background: rgba(34, 224, 214, 0.05);
}

.page-faq .faq-next__link:focus-visible {
  outline: 2px solid var(--zr-cyan);
  outline-offset: 2px;
}

/* ---------- 图片容器 ---------- */

.page-faq .zr-media {
  margin: 0;
}

.page-faq .zr-media__frame {
  border: 1px solid var(--faq-line);
  border-radius: var(--zr-radius);
  background: var(--zr-panel);
  overflow: hidden;
}

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

.page-faq .zr-media__caption {
  margin-top: 10px;
  color: var(--zr-muted);
  font-size: 12.5px;
  line-height: 1.6;
}

/* ---------- 中屏适配 ---------- */

@media (min-width: 760px) {
  .page-faq .faq-locator__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-pair {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 8px 28px;
    align-items: baseline;
  }

  .page-faq .faq-step__panel {
    padding-left: 56px;
  }

  .page-faq .faq-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }
}

/* ---------- 桌面非对称布局 ---------- */

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-faq .faq-hero__meter {
    padding-top: 0;
    padding-left: 28px;
    border-top: 0;
    border-left: 1px dashed var(--faq-line);
  }

  .page-faq .faq-locator__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-faq .faq-split__media {
    margin-top: 40px;
  }

  .page-faq .faq-steps {
    max-width: 60em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-locator__btn,
  .page-faq .faq-card,
  .page-faq .faq-qa__item,
  .page-faq .faq-next__link {
    transition: none;
  }

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