.page-faq {
  --faq-soft: rgba(20, 22, 43, .72);
  --faq-gap: clamp(18px, 3.4vw, 34px);
}

.page-faq [id] {
  scroll-margin-top: calc(var(--tick-h) + 26px);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-intro {
  padding-top: clamp(26px, 5vw, 54px);
  padding-bottom: clamp(34px, 6vw, 66px);
}

.page-faq .faq-intro__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(34px, 7.4vw, 66px);
  line-height: 1.06;
  letter-spacing: -.012em;
  color: var(--star);
  margin: 14px 0 0;
  max-width: 22ch;
}

.page-faq .faq-intro__lede {
  font-family: var(--font-body);
  font-size: clamp(16px, 1.9vw, 18px);
  line-height: 1.78;
  color: var(--slate);
  max-width: 62ch;
  margin-top: 20px;
}

.page-faq .verdict {
  display: grid;
  gap: 1px;
  margin-top: clamp(26px, 4.5vw, 44px);
  background: var(--line);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-faq .verdict__item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 20px 24px;
  background: var(--deep-blue);
}

.page-faq .verdict__label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--slate);
}

.page-faq .verdict__value {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(28px, 5vw, 38px);
  line-height: 1.05;
  color: var(--star);
}

.page-faq .verdict__note {
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--slate);
}

.page-faq .verdict__item--pulse {
  background: linear-gradient(160deg, rgba(91, 63, 168, .55), rgba(14, 26, 60, .95));
}

.page-faq .verdict__item--pulse .verdict__value {
  color: var(--cyan);
}

/* ---------- 01 保修范围 ---------- */

.page-faq .faq-split {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  margin-top: clamp(20px, 3.5vw, 34px);
}

.page-faq .faq-split__main h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 21px;
  color: var(--star);
  margin: 0 0 12px;
}

.page-faq .faq-split__main h3 + p {
  margin-top: 0;
}

.page-faq .faq-split__main h3:not(:first-child) {
  margin-top: 34px;
}

.page-faq .faq-split__main p {
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--slate);
}

.page-faq .faq-split__main a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 208, .45);
}

.page-faq .faq-split__main a:hover,
.page-faq .faq-split__main a:focus-visible {
  border-bottom-color: var(--cyan);
}

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

.page-faq .faq-marked > li {
  position: relative;
  padding-left: 24px;
  font-size: 16px;
  line-height: 1.72;
  color: var(--slate);
}

.page-faq .faq-marked > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 12px;
  height: 1px;
  background: var(--pink);
}

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

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

.page-faq .media__caption {
  font-size: 13px;
  line-height: 1.66;
  color: var(--slate);
  margin-top: 10px;
}

/* ---------- 02 起算日期 ---------- */

.page-faq .faq-date__panel {
  position: relative;
  margin-top: clamp(20px, 3.5vw, 32px);
  padding: clamp(22px, 4vw, 40px);
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--r-md);
  border: 1px solid rgba(20, 22, 43, .14);
  box-shadow: var(--shadow-layer);
}

.page-faq .faq-date__panel::before {
  content: "";
  position: absolute;
  inset: 9px;
  border: 1px dashed rgba(20, 22, 43, .2);
  border-radius: calc(var(--r-md) - 4px);
  pointer-events: none;
}

.page-faq .faq-date__lead {
  position: relative;
  margin: 0;
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--ink);
}

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

.page-faq .faq-dateline__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 16px;
  padding: 12px 14px;
  background: rgba(20, 22, 43, .05);
  border-left: 3px solid var(--purple);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}

.page-faq .faq-dateline__key {
  flex: none;
  min-width: 6.6em;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--purple);
}

.page-faq .faq-dateline__val {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
}

.page-faq .faq-dateline__key-item {
  display: none;
}

.page-faq .faq-date__note {
  position: relative;
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(20, 22, 43, .16);
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--faq-soft);
}

/* ---------- 03 症状自查 ---------- */

.page-faq .faq-symptoms__figure {
  margin: clamp(20px, 3.5vw, 32px) 0 0;
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.page-faq .faq-jump__link {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  padding: 8px 15px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--slate);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  color: var(--cyan);
  border-color: rgba(53, 224, 208, .55);
  background: rgba(53, 224, 208, .08);
}

.page-faq .faq-nodes {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .faq-node {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(14, 26, 60, .74), rgba(7, 11, 26, .78));
  overflow: hidden;
  transition: border-color .24s var(--ease);
}

.page-faq .faq-node[open] {
  border-color: rgba(53, 224, 208, .4);
}

.page-faq .faq-node__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17.5px;
  color: var(--star);
}

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

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

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

.page-faq .faq-node__summary::after {
  content: "";
  flex: none;
  margin-left: auto;
  width: 8px;
  height: 8px;
  border-right: 1.6px solid var(--slate);
  border-bottom: 1.6px solid var(--slate);
  transform: rotate(45deg);
  transition: transform .24s var(--ease), border-color .24s var(--ease);
}

.page-faq .faq-node[open] > .faq-node__summary::after {
  transform: rotate(225deg);
  border-color: var(--cyan);
}

.page-faq .faq-node__icon {
  flex: none;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  border: 1px solid rgba(53, 224, 208, .3);
  background: rgba(53, 224, 208, .07);
  color: var(--cyan);
}

.page-faq .faq-node__icon svg {
  width: 20px;
  height: 20px;
}

.page-faq .faq-node--battery .faq-node__icon {
  border-color: rgba(255, 138, 92, .34);
  background: rgba(255, 138, 92, .08);
  color: var(--pro);
}

.page-faq .faq-node--touch .faq-node__icon {
  border-color: rgba(156, 107, 255, .38);
  background: rgba(156, 107, 255, .1);
  color: var(--core);
}

.page-faq .faq-node--connect .faq-node__icon {
  border-color: rgba(79, 195, 247, .34);
  background: rgba(79, 195, 247, .08);
  color: var(--entry);
}

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

.page-faq .faq-node__meta {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 400;
  color: var(--slate);
}

.page-faq .faq-node__body {
  padding: 16px 18px 22px;
  border-top: 1px solid var(--line);
}

/* 编号轨道步骤 */

.page-faq .faq-steps {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 42px;
  counter-reset: faqstep;
}

.page-faq .faq-steps::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(53, 224, 208, .08));
}

.page-faq .faq-steps > li {
  position: relative;
  counter-increment: faqstep;
  padding: 6px 0;
  font-size: 15.5px;
  line-height: 1.74;
  color: var(--slate);
}

.page-faq .faq-steps > li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: -38px;
  top: 6px;
  width: 30px;
  line-height: 20px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--cyan);
  background: rgba(53, 224, 208, .08);
  border: 1px solid rgba(53, 224, 208, .32);
  border-radius: 999px;
}

.page-faq .faq-steps > li a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 208, .45);
}

.page-faq .faq-node__flag {
  margin: 16px 0 0;
  padding: 13px 15px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--star);
  background: rgba(53, 224, 208, .07);
  border: 1px solid rgba(53, 224, 208, .3);
  border-radius: var(--r-sm);
}

/* ---------- 04 送修 ---------- */

.page-faq .faq-prep {
  margin-top: clamp(20px, 3.5vw, 32px);
  padding: clamp(20px, 3.4vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(14, 26, 60, .9), rgba(7, 11, 26, .9));
}

.page-faq .faq-prep__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  color: var(--star);
  margin: 0 0 16px;
}

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

.page-faq .faq-prep__list > li {
  display: grid;
  gap: 4px;
}

.page-faq .faq-prep__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-faq .faq-prep__val {
  font-size: 15.5px;
  line-height: 1.74;
  color: var(--slate);
}

.page-faq .faq-prep__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.page-faq .faq-tabs {
  margin-top: clamp(26px, 4.5vw, 42px);
}

.page-faq .faq-tabs .tabs__panel {
  padding-top: 20px;
}

.page-faq .faq-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: faqflow;
}

.page-faq .faq-flow > li {
  position: relative;
  counter-increment: faqflow;
  padding: 14px 16px 14px 52px;
  border-radius: var(--r-sm);
  background: rgba(14, 26, 60, .58);
  border-left: 2px solid rgba(53, 224, 208, .5);
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--slate);
}

.page-faq .faq-flow > li::before {
  content: counter(faqflow, decimal-leading-zero);
  position: absolute;
  left: 16px;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

.page-faq .faq-tabs__note {
  margin: 16px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--slate);
}

.page-faq .faq-accessory {
  margin-top: clamp(30px, 5vw, 48px);
}

.page-faq .faq-accessory h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 21px;
  color: var(--star);
  margin: 0 0 12px;
}

.page-faq .faq-accessory p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--slate);
  max-width: 68ch;
}

.page-faq .faq-accessory a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 208, .45);
}

.page-faq .faq-accessory__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 16px 32px;
}

.page-faq .faq-accessory__list > li {
  display: grid;
  gap: 3px;
  padding-left: 16px;
  border-left: 2px solid var(--purple);
}

.page-faq .faq-accessory__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16.5px;
  color: var(--star);
}

.page-faq .faq-accessory__desc {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--slate);
}

.page-faq .faq-accessory__note {
  margin-top: 22px;
  padding: 14px 16px;
  border-radius: var(--r-sm);
  background: rgba(91, 63, 168, .16);
  border: 1px solid rgba(156, 107, 255, .28);
  color: var(--star);
  font-size: 15px;
  line-height: 1.74;
}

/* ---------- 05 联系 ---------- */

.page-faq .faq-contact__panel {
  display: grid;
  gap: 1px;
  margin-top: clamp(20px, 3.5vw, 32px);
  background: var(--line);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-faq .faq-contact__cell {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 20px;
  background: var(--deep-blue);
}

.page-faq .faq-contact__key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--slate);
}

.page-faq .faq-contact__val {
  font-size: 16.5px;
  line-height: 1.6;
  color: var(--star);
  word-break: break-word;
}

.page-faq .faq-contact__hint {
  font-size: 13.5px;
  line-height: 1.66;
  color: var(--slate);
}

.page-faq .faq-contact__note {
  margin: 22px 0 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--slate);
  max-width: 68ch;
}

.page-faq .faq-contact__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 208, .45);
}

/* ---------- 响应式 ---------- */

@media (max-width: 599px) {
  .page-faq .faq-node__meta {
    display: none;
  }

  .page-faq .faq-node__summary {
    gap: 12px;
    font-size: 16.5px;
  }
}

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

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

@media (min-width: 900px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-faq .faq-split__side {
    position: sticky;
    top: calc(var(--tick-h) + 28px);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-contact__panel {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump__link,
  .page-faq .faq-node,
  .page-faq .faq-node__summary::after {
    transition: none;
  }
}