/* ================= page-faq ================= */
.page-faq {
  --faq-h1: clamp(34px, 6.2vw, 80px);
  --faq-pad: clamp(48px, 7vw, 92px);
  --faq-hairline: rgba(255, 255, 255, .24);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--c-blue);
  color: #fff;
  padding-top: calc(var(--header-h) + clamp(26px, 5vw, 58px));
  padding-bottom: var(--faq-pad);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -30%;
  width: 78%;
  height: 152%;
  background: var(--c-blue-deep);
  transform: rotate(14deg);
  opacity: .88;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 38%;
  height: 6px;
  background: var(--c-orange);
}

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

.page-faq .faq-crumb,
.page-faq .faq-crumb a {
  color: rgba(255, 255, 255, .8);
}

.page-faq .faq-crumb a:hover {
  color: #fff;
}

.page-faq .faq-crumb li[aria-current] {
  color: #fff;
  font-weight: 700;
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  margin-top: clamp(22px, 4vw, 40px);
}

.page-faq .faq-hero .eyebrow {
  color: rgba(255, 255, 255, .82);
  letter-spacing: .16em;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: var(--faq-h1);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.035em;
}

.page-faq .faq-hero .lede {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: var(--fs-lead);
  line-height: 1.78;
  color: rgba(255, 255, 255, .9);
}

.page-faq .faq-hero .btn-row {
  margin-top: clamp(22px, 3.4vw, 34px);
}

.page-faq .faq-hero-media {
  aspect-ratio: 4 / 3;
  border: 1px solid var(--faq-hairline);
  background: rgba(11, 22, 32, .3);
  overflow: hidden;
}

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

.page-faq .faq-stats {
  list-style: none;
  margin: clamp(30px, 5vw, 52px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--faq-hairline);
}

.page-faq .faq-stats .stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 15px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .16);
}

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

.page-faq .faq-stats .stat-num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(26px, 3.4vw, 38px);
  letter-spacing: -.02em;
  color: #fff;
  line-height: 1.1;
}

.page-faq .faq-stats .stat-num em {
  font-style: normal;
  font-size: .52em;
  color: var(--c-orange-soft);
  margin-left: 3px;
}

.page-faq .faq-stats .stat-label {
  font-size: var(--fs-note);
  color: rgba(255, 255, 255, .76);
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-finder {
  padding-block: var(--faq-pad);
  background: var(--c-paper);
}

.page-faq .faq-layout {
  margin-top: clamp(26px, 4vw, 46px);
  display: grid;
  gap: clamp(22px, 3vw, 44px);
}

.page-faq .faq-index-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--c-graphite);
}

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

.page-faq .faq-index-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  border-left: 2px solid var(--line);
  color: var(--c-graphite);
  text-decoration: none;
  font-size: 14.5px;
  line-height: 1.5;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}

.page-faq .faq-index-list a:hover {
  color: var(--c-blue);
  border-left-color: var(--c-blue);
  background: rgba(0, 102, 204, .05);
}

.page-faq .faq-index-list a[aria-current="true"],
.page-faq .faq-index-list a[aria-current="page"] {
  color: var(--c-ink);
  font-weight: 700;
  border-left-color: var(--c-orange);
  background: rgba(255, 102, 0, .08);
}

.page-faq .faq-idx {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--c-orange);
}

/* 分组 */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(32px, 4.6vw, 56px);
}

.page-faq .faq-group-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 2px 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--c-ink);
}

.page-faq .faq-group-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--c-orange);
}

.page-faq .faq-group-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: var(--fs-title);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -.022em;
  color: var(--c-ink);
}

.page-faq .faq-group-note {
  grid-column: 2;
  margin: 5px 0 0;
  font-size: var(--fs-note);
  color: var(--c-graphite);
}

/* 手风琴 */
.page-faq .faq-group .panel-item {
  border-bottom: 1px dashed rgba(58, 70, 82, .3);
}

.page-faq .faq-group .panel-item:last-child {
  border-bottom: 1px solid var(--c-silver);
}

.page-faq .faq-group .panel-trigger {
  width: 100%;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px;
  padding: 16px 4px;
  background: none;
  border: 0;
  font: inherit;
  text-align: left;
  color: var(--c-ink);
  cursor: pointer;
  transition: background-color .2s ease;
}

.page-faq .faq-group .panel-trigger:hover {
  background: rgba(0, 102, 204, .05);
}

.page-faq .faq-group .panel-index {
  padding-top: 5px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--c-graphite);
  transition: color .2s ease;
}

.page-faq .faq-group .panel-title {
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: -.01em;
  color: var(--c-ink);
  transition: color .2s ease;
}

.page-faq .faq-group .panel-trigger[aria-expanded="true"] .panel-index {
  color: var(--c-orange);
}

.page-faq .faq-group .panel-trigger[aria-expanded="true"] .panel-title {
  color: var(--c-blue);
}

.page-faq .faq-group .panel-sign {
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 5px;
  flex: none;
}

.page-faq .faq-group .panel-sign::before,
.page-faq .faq-group .panel-sign::after {
  content: "";
  position: absolute;
  background: var(--c-ink);
  transition: transform .25s ease, background-color .25s ease;
}

.page-faq .faq-group .panel-sign::before {
  left: 0;
  right: 0;
  top: 8.5px;
  height: 1px;
}

.page-faq .faq-group .panel-sign::after {
  top: 0;
  bottom: 0;
  left: 8.5px;
  width: 1px;
}

.page-faq .faq-group .panel-trigger[aria-expanded="true"] .panel-sign::before {
  background: var(--c-orange);
}

.page-faq .faq-group .panel-trigger[aria-expanded="true"] .panel-sign::after {
  transform: scaleY(0);
}

.page-faq .faq-group .panel-body-inner {
  padding: 2px clamp(4px, 2vw, 30px) 22px;
}

.page-faq .faq-group .panel-body-inner p {
  margin: 0 0 10px;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--c-graphite);
}

.page-faq .faq-group .panel-body-inner p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-group .panel-body-inner .note {
  padding-left: 12px;
  border-left: 2px solid var(--c-silver);
  font-size: var(--fs-note);
  color: var(--c-graphite);
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  max-width: 68ch;
  display: grid;
  gap: 8px;
}

.page-faq .faq-steps li {
  position: relative;
  padding-left: 18px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--c-graphite);
}

.page-faq .faq-steps li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 9px;
  height: 1.5px;
  background: var(--c-orange);
}

.page-faq .faq-inline-link {
  color: var(--c-blue);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 102, 204, .4);
}

.page-faq .faq-inline-link:hover {
  border-bottom-color: var(--c-blue);
}

/* ---------- 到店前准备清单 ---------- */
.page-faq .faq-prep {
  padding-block: var(--faq-pad);
  background: var(--c-mist);
  scroll-margin-top: calc(var(--header-h) + 12px);
}

.page-faq .faq-prep-grid {
  display: grid;
  gap: clamp(26px, 3.6vw, 48px);
}

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

.page-faq .faq-checklist li {
  background: #fff;
  padding: clamp(16px, 2vw, 22px);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
}

.page-faq .faq-check-num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--c-orange);
}

.page-faq .faq-checklist h4 {
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-ink);
}

.page-faq .faq-checklist p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-graphite);
}

/* ---------- 验收记录 ---------- */
.page-faq .faq-accept {
  padding-block: var(--faq-pad);
  background: var(--c-paper);
}

.page-faq .faq-accept-grid {
  display: grid;
  gap: clamp(26px, 3.6vw, 52px);
}

.page-faq .faq-accept-media {
  aspect-ratio: 3 / 2;
  border: 1px solid var(--line);
  background: var(--c-mist);
  overflow: hidden;
}

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

.page-faq .faq-accept-copy .lede {
  margin-top: 8px;
}

.page-faq .faq-accept-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-accept-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14.8px;
  line-height: 1.72;
  color: var(--c-graphite);
}

.page-faq .faq-accept-key {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--c-blue);
}

.page-faq .faq-accept-copy .note {
  margin-top: 14px;
}

/* ---------- 新能源说明 ---------- */
.page-faq .faq-ev {
  padding-block: var(--faq-pad);
  background: var(--c-blue-dark);
  color: #fff;
}

.page-faq .faq-ev .eyebrow {
  color: var(--c-orange-soft);
}

.page-faq .faq-ev .section-title {
  color: #fff;
}

.page-faq .faq-ev .lede {
  color: rgba(255, 255, 255, .84);
  max-width: 56ch;
}

.page-faq .faq-ev-list {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-invert);
  border-top: 1px solid var(--line-invert);
  border-bottom: 1px solid var(--line-invert);
}

.page-faq .faq-ev-list li {
  background: var(--c-blue-dark);
  padding: clamp(18px, 2.4vw, 26px);
}

.page-faq .faq-ev-num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--c-orange);
}

.page-faq .faq-ev-list h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: #fff;
}

.page-faq .faq-ev-list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(255, 255, 255, .78);
}

/* ---------- 还有别的问题 ---------- */
.page-faq .faq-help {
  padding-block: var(--faq-pad);
  background: var(--c-paper);
}

.page-faq .faq-help-grid {
  display: grid;
  gap: clamp(24px, 3.5vw, 48px);
}

.page-faq .faq-help-copy .btn-row {
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .faq-contact {
  margin: 0;
  padding: clamp(20px, 2.6vw, 28px);
  background: var(--c-blue-dark);
  color: #fff;
  border-left: 3px solid var(--c-orange);
  display: grid;
  gap: 18px;
}

.page-faq .faq-contact dt {
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .12em;
  color: rgba(255, 255, 255, .62);
}

.page-faq .faq-contact dd {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: #fff;
  overflow-wrap: anywhere;
}

.page-faq .faq-contact div:last-child dd {
  font-size: 14.5px;
  font-weight: 400;
  line-height: 1.75;
  color: rgba(255, 255, 255, .82);
}

.page-faq .faq-elsewhere {
  margin-top: clamp(28px, 3.6vw, 44px);
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-elsewhere a {
  display: block;
  background: #fff;
  padding: 18px 20px;
  text-decoration: none;
  color: var(--c-ink);
  transition: background-color .2s ease;
}

.page-faq .faq-elsewhere a:hover {
  background: var(--c-mist);
}

.page-faq .faq-elsewhere strong {
  display: block;
  margin-bottom: 5px;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--c-ink);
}

.page-faq .faq-elsewhere span {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--c-graphite);
}

/* ================= 响应式 ================= */
@media (max-width: 959px) {
  .page-faq .faq-index {
    margin-bottom: 4px;
  }

  .page-faq .faq-index-list {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
  }

  .page-faq .faq-index-list li {
    flex: 0 0 auto;
  }

  .page-faq .faq-index-list a {
    border-left: 0;
    border-bottom: 2px solid var(--line);
    white-space: nowrap;
    padding: 9px 12px;
  }

  .page-faq .faq-index-list a[aria-current="true"],
  .page-faq .faq-index-list a[aria-current="page"] {
    border-left: 0;
    border-bottom-color: var(--c-orange);
  }
}

@media (max-width: 639px) {
  .page-faq .faq-hero h1 {
    line-height: 1.08;
    letter-spacing: -.025em;
  }

  .page-faq .faq-group .panel-trigger {
    gap: 10px;
    padding: 14px 2px;
  }

  .page-faq .faq-group .panel-title {
    font-size: 15.5px;
  }

  .page-faq .faq-group .panel-body-inner {
    padding-left: 2px;
    padding-right: 2px;
  }

  .page-faq .faq-accept-key {
    font-size: 12px;
  }
}

@media (min-width: 640px) {
  .page-faq .faq-checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-accept-list li {
    grid-template-columns: minmax(0, auto) minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

  .page-faq .faq-accept-key {
    padding-top: 2px;
    white-space: nowrap;
  }

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

@media (min-width: 720px) {
  .page-faq .faq-hero-media {
    aspect-ratio: 2 / 1;
  }

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

  .page-faq .faq-stats .stat {
    padding: 18px 22px;
    border-bottom: 0;
    border-left: 1px solid rgba(255, 255, 255, .16);
  }

  .page-faq .faq-stats .stat:first-child {
    padding-left: 0;
    border-left: 0;
  }
}

@media (min-width: 820px) {
  .page-faq .faq-ev-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: end;
  }

  .page-faq .faq-prep-grid {
    grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr);
    align-items: start;
  }

  .page-faq .faq-accept-grid {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    align-items: center;
  }

  .page-faq .faq-help-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(180px, 224px) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }
}