/* 基础与共享布局 */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
}
h1,
h2,
h3,
h4,
p,
figure {
  margin: 0;
}
h1,
h2,
h3,
h4 {
  font-family: var(--heading);
  line-height: 1.12;
  font-weight: 500;
  letter-spacing: -0.035em;
  text-wrap: balance;
}
h1 {
  font-size: clamp(2.5rem, 4.4vw, 4.7rem);
}
h2 {
  font-size: clamp(2rem, 3vw, 3.2rem);
}
h3 {
  font-size: 1.7rem;
}
p {
  color: var(--muted);
  max-width: 65ch;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
button,
input,
select,
textarea {
  font: inherit;
}
button,
a,
input,
select,
textarea {
  -webkit-tap-highlight-color: transparent;
}
button {
  cursor: pointer;
}
a {
  color: inherit;
  text-decoration: none;
}
button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}
button {
  color: inherit;
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}
::selection {
  background: #edd2d7;
}
button {
  border: 0;
}
main {
  min-height: 60vh;
}
main:focus {
  outline: 0;
}
[hidden] {
  display: none !important;
}
.wrap {
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section {
  padding-block: 88px;
}
.eyebrow {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  font-weight: 700;
  line-height: 1.5;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 48px;
  padding: 14px 22px;
  background: var(--accent);
  color: white;
  font-size: 0.85rem;
  font-weight: 600;
  transition:
    background var(--fast),
    transform var(--fast);
  border: 1px solid var(--accent);
  border-radius: 2px;
}
.button:hover {
  background: var(--accent-hover);
}
.button:active {
  transform: translateY(1px);
}
.button span {
  font-size: 1.3rem;
  line-height: 1;
}
.button.outline {
  background: transparent;
  color: var(--ink);
  border-color: #7c898f;
}
.button.outline:hover {
  background: var(--wash);
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 20px;
  font-size: 0.88rem;
  font-weight: 600;
  border-bottom: 1px solid currentColor;
  padding-block: 9px;
  background: none;
}
.text-link span {
  font-size: 1.2rem;
}
.small-note,
small {
  font-size: 0.78rem;
  color: var(--muted);
}
.skip {
  position: fixed;
  top: -100px;
  left: 20px;
  z-index: 1300;
  background: white;
  padding: 12px;
}
.skip:focus {
  top: 12px;
}
/* 页头：层级紧凑，联系电话不挤成多行 */
.utility {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px var(--gutter);
  background: var(--ink);
  color: #e4eaed;
  font-size: 0.65rem;
  letter-spacing: 0.06em;
}
.utility b {
  color: #9dabb2;
  margin-inline: 12px;
}
.header {
  padding: 20px var(--gutter);
  display: flex;
  align-items: center;
  gap: 32px;
  border-bottom: 1px solid var(--line);
  background: white;
  position: sticky;
  top: 0;
  z-index: 1000;
}
.logo {
  display: flex;
  align-items: center;
  gap: 14px;
}
.logo-mark {
  font: 700 2.7rem/0.9 Arial;
  letter-spacing: -0.095em;
}
.logo-mark span {
  color: var(--accent);
  font-size: 2rem;
  margin-left: 3px;
}
.logo-name {
  font-size: 0.56rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1.45;
}
.header nav {
  display: flex;
  gap: 28px;
  margin-left: auto;
  font-size: 0.8rem;
  font-weight: 600;
}
.header nav a {
  padding-block: 12px;
}
.header nav a:hover,
.header nav a[aria-current="page"] {
  color: var(--accent);
}
.header .button {
  font-size: 0.75rem;
  min-height: 44px;
  padding: 11px 16px;
}
.menu-toggle {
  display: none;
}
/* 首页：横向展台与车型入口，区别于旧版左右分栏首屏 */
.showroom {
  background: var(--wash);
}
.showroom-heading {
  padding-top: 54px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
}
.showroom-heading h1 {
  margin-top: 20px;
  font-weight: 500;
  letter-spacing: -0.055em;
  font-size: clamp(2.6rem, 4.5vw, 4.6rem);
}
.showroom-heading h1 span {
  color: #65747c;
}
.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--accent);
  margin-right: 8px;
  vertical-align: 2px;
}
.hero-intro {
  max-width: 295px;
  padding-bottom: 9px;
}
.hero-intro p {
  font-size: 0.9rem;
  margin-bottom: 12px;
}
.lineup {
  position: relative;
  margin: 0 auto;
  max-width: 1800px;
  padding-top: 4px;
}
.lineup > img {
  width: 100%;
  height: clamp(250px, 29vw, 475px);
  object-fit: cover;
  mix-blend-mode: multiply;
}
.lineup figcaption {
  position: absolute;
  right: var(--gutter);
  bottom: 8px;
  font-size: 0.61rem;
  color: #657078;
}
.family-rail {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid #cdd5da;
}
.family-rail > a {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 26px 20px 28px 0;
  position: relative;
}
.family-rail > a + a {
  border-left: 1px solid #cdd5da;
  padding-left: 28px;
}
.rail-number {
  font-size: 0.7rem;
  color: var(--accent);
  align-self: start;
  padding-top: 6px;
}
.family-rail h2 {
  font-size: 1.55rem;
  letter-spacing: -0.02em;
}
.family-rail p {
  font-size: 0.76rem;
  margin-top: 5px;
}
.rail-arrow {
  margin-left: auto;
  font-size: 1.65rem;
  transition: transform 0.2s;
}
.family-rail a:hover .rail-arrow {
  transform: translate(3px, -3px);
}
.family-rail a:hover h2 {
  color: var(--accent);
}
.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 36px;
}
.section-heading .eyebrow {
  color: var(--accent);
  margin-bottom: 15px;
}
.section-heading > p {
  font-size: 0.86rem;
}
.range-feature {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  background: #f4f6f6;
}
.feature-photo {
  position: relative;
  overflow: hidden;
  min-height: 510px;
}
.feature-photo > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.feature-photo:hover > img {
  transform: scale(1.025);
}
.feature-caption {
  position: absolute;
  left: 20px;
  bottom: 20px;
  background: white;
  padding: 10px 14px;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
}
.feature-copy {
  padding: 42px;
}
.feature-copy > .eyebrow {
  color: var(--muted);
}
.feature-copy h3 {
  font-size: 2.1rem;
  margin: 18px 0;
}
.feature-copy > p {
  font-size: 0.9rem;
  margin-bottom: 24px;
}
.mini-families {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
  border-top: 1px solid var(--line);
  padding-top: 22px;
}
.mini-families img {
  width: 100%;
  aspect-ratio: 1.5;
  object-fit: cover;
}
.mini-families span {
  display: block;
  margin-top: 8px;
  font-size: 0.8rem;
  font-weight: 600;
}
/* 用途切换：左侧目录 + 相关图片和决策信息 */
.applications {
  background: #f0f3f4;
}
.section-index {
  font-size: 0.75rem;
  color: var(--muted);
}
.application-layout {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 56px;
}
.application-menu {
  display: flex;
  flex-direction: column;
}
.application-menu button {
  display: flex;
  align-items: center;
  gap: 16px;
  text-align: left;
  background: transparent;
  border-bottom: 1px solid #c5ced3;
  padding: 24px 4px;
  font-size: 1.45rem;
  letter-spacing: -0.03em;
}
.application-menu button > span:first-child {
  font-size: 0.67rem;
  letter-spacing: 0;
  color: var(--muted);
}
.application-menu button > span:last-child {
  margin-left: auto;
  font-size: 1.15rem;
}
.application-menu button[aria-pressed="true"] {
  color: var(--accent);
  border-bottom: 2px solid var(--accent);
}
#application-panel {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 28px;
  align-items: center;
  animation: appear 0.3s ease-out;
}
#application-panel figure {
  position: relative;
}
#application-panel img {
  width: 100%;
  height: 330px;
  object-fit: cover;
  object-position: center 46%;
}
#application-panel figcaption {
  font-size: 0.65rem;
  margin-top: 8px;
  color: var(--muted);
}
.application-copy h3 {
  font-size: 1.9rem;
  margin-bottom: 16px;
}
.application-copy p {
  font-size: 0.86rem;
  margin-bottom: 16px;
}
.application-copy small {
  display: block;
  margin-top: 22px;
  font-size: 0.68rem;
}
.workshop-layout {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 56px;
}
.interior-shot {
  padding: 0;
  position: relative;
  background: var(--wash);
  text-align: left;
  overflow: hidden;
}
.interior-shot img {
  width: 100%;
  height: 450px;
  object-fit: cover;
}
.interior-shot > span {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 17px 24px;
  background: var(--ink);
  color: white;
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
}
.workshop-notes {
  padding-top: 12px;
}
.workshop-notes h3 {
  font-size: 2.1rem;
  margin-bottom: 32px;
}
.workshop-notes > div {
  display: flex;
  gap: 24px;
  border-top: 1px solid var(--line);
  padding: 20px 0;
}
.workshop-notes > div > span {
  font-size: 0.7rem;
  color: var(--accent);
}
.workshop-notes h4 {
  font-size: 1rem;
  letter-spacing: 0;
  margin-bottom: 6px;
}
.workshop-notes p {
  font-size: 0.86rem;
}
.electric {
  display: grid;
  grid-template-columns: 0.65fr 1.2fr 1.2fr;
  gap: 38px;
  padding-block: 64px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.electric h2 {
  font-size: 2.25rem;
}
.electric h2 em {
  font-style: normal;
  color: var(--accent);
}
.electric p {
  font-size: 0.88rem;
  margin-top: 18px;
}
details {
  border-bottom: 1px solid var(--line);
}
summary {
  cursor: pointer;
  list-style: none;
  padding: 20px 28px 20px 0;
  position: relative;
  font-size: 0.9rem;
  font-weight: 600;
}
summary:after {
  content: "+";
  position: absolute;
  right: 0;
  font-weight: 400;
  font-size: 1.2rem;
  top: 15px;
}
details[open] summary:after {
  content: "−";
}
summary::-webkit-details-marker {
  display: none;
}
details p {
  padding-bottom: 20px;
  font-size: 0.86rem;
}
/* 列表 */
.breadcrumb {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
  padding-block: 28px;
}
.page-intro {
  background: var(--wash);
  padding-bottom: 32px;
}
.page-intro > .eyebrow {
  margin-top: 0;
  color: var(--accent);
}
.page-intro h1 {
  margin: 14px 0;
  font-size: clamp(2rem, 3.3vw, 3rem);
}
.page-intro > p {
  font-size: 0.95rem;
}
.catalog {
  padding-top: 36px;
}
.catalog-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 24px;
}
.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.filter-pills button {
  padding: 12px 18px;
  background: white;
  border: 1px solid var(--line);
  font-size: 0.82rem;
  min-height: 44px;
}
.filter-pills button[aria-pressed="true"] {
  background: var(--ink);
  color: white;
  border-color: var(--ink);
}
.use-select {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
}
.use-select select {
  padding: 12px;
  border: 1px solid #9aa7ae;
  background: white;
  color: var(--ink);
}
.catalog-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--muted);
  padding: 24px 0;
}
.vehicle-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 48px 32px;
}
.vehicle-photo {
  display: block;
  position: relative;
  background: var(--wash);
  overflow: hidden;
}
.vehicle-photo > img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  transition: transform 0.4s;
}
.vehicle-photo:hover > img {
  transform: scale(1.025);
}
.photo-arrow {
  position: absolute;
  right: 16px;
  bottom: 16px;
  background: white;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  font-size: 1.3rem;
}
.image-tag {
  position: absolute;
  left: 16px;
  top: 16px;
  background: white;
  padding: 6px 10px;
  font-size: 0.68rem;
}
.vehicle-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 18px;
}
.vehicle-meta .eyebrow {
  color: var(--accent);
}
.compare-choice {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  cursor: pointer;
  font-size: 0.77rem;
}
.compare-choice input {
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
}
.vehicle-card h3 {
  font-size: 1.6rem;
}
.vehicle-card > p {
  font-size: 0.9rem;
  margin-top: 8px;
}
.vehicle-bottom {
  display: flex;
  gap: 12px;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  padding-top: 14px;
  margin-top: 20px;
  font-size: 0.77rem;
}
.vehicle-bottom > span {
  color: var(--muted);
}
.vehicle-bottom > a {
  font-weight: 700;
}
.catalog-note {
  font-size: 0.78rem;
  margin-top: 40px;
}
.compare-tray {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: white;
  display: flex;
  gap: 26px;
  align-items: center;
  z-index: 1050;
  padding: 14px 20px;
  box-shadow: 0 6px 25px #0002;
  max-width: calc(100% - 32px);
}
.compare-tray > span {
  font-size: 0.8rem;
  white-space: nowrap;
}
.compare-tray .text-link {
  color: white;
}
#empty {
  text-align: center;
  padding: 60px 20px;
  background: var(--wash);
}
#empty p {
  margin: 16px auto 24px;
}
/* 详情 */
.product-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  padding-top: 16px;
}
.product-media {
  min-width: 0;
}
.product-main {
  display: block;
  position: relative;
  padding: 0;
  background: var(--wash);
  width: 100%;
}
.product-main img {
  width: 100%;
  height: 490px;
  object-fit: contain;
}
.zoom-label {
  position: absolute;
  bottom: 16px;
  right: 16px;
  padding: 8px 12px;
  background: white;
  font-size: 0.8rem;
}
.thumbnails {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.thumbnails button {
  width: 92px;
  padding: 3px;
  background: white;
  border: 1px solid var(--line);
}
.thumbnails img {
  height: 68px;
  width: 100%;
  object-fit: cover;
}
.thumbnails button[aria-pressed="true"] {
  border: 2px solid var(--accent);
  padding: 2px;
}
.photo-caption {
  font-size: 0.72rem;
  margin-top: 12px;
}
.product-copy > .eyebrow {
  color: var(--accent);
  margin: 10px 0 18px;
}
.product-copy h1 {
  font-size: clamp(2.3rem, 3.3vw, 3.6rem);
}
.product-copy > .product-subtitle {
  font-size: 1.08rem;
  color: var(--ink);
  margin: 20px 0 14px;
}
.product-copy > p {
  font-size: 0.9rem;
}
.quick-spec {
  font-size: 0.8rem;
  margin: 24px 0;
}
.quick-spec > div {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}
dt {
  color: var(--muted);
}
dd {
  margin: 0;
}
.product-copy .price-note {
  font-size: 0.78rem;
  margin: 24px 0 12px;
}
.product-copy > .button {
  width: 100%;
}
.product-copy > .small-note {
  font-size: 0.73rem;
  margin-top: 14px;
}
.color-options {
  border: 0;
  padding: 0;
  margin: 16px 0;
}
.color-options legend {
  font-size: 0.8rem;
  margin-bottom: 12px;
}
.color-options legend span {
  color: var(--muted);
  margin-left: 24px;
}
.swatch {
  display: inline-block;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  margin: 3px 12px 3px 3px;
  background: var(--swatch);
  border: 4px solid white;
  box-shadow: 0 0 0 1px #bac4c9;
}
.swatch[aria-pressed="true"] {
  box-shadow: 0 0 0 2px var(--ink);
}
.detail-bottom {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 60px;
  padding-block: 70px;
  margin-top: 64px;
  border-top: 1px solid var(--line);
}
.detail-bottom h2 {
  margin-top: 18px;
}
.detail-bottom details p {
  padding-top: 0;
}
.related .compare-choice {
  display: none;
}
/* 询价、对话框 */
.quote-layout {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 80px;
}
.quote-layout h1 {
  margin: 22px 0;
}
.contact-block {
  margin: 34px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 1.2rem;
}
.quote-layout > .small-note {
  max-width: 44ch;
}
form {
  background: var(--wash);
  padding: 36px;
}
form > .eyebrow {
  color: var(--accent);
  margin-bottom: 26px;
}
form label {
  display: flex;
  flex-direction: column;
  font-size: 0.78rem;
  font-weight: 600;
  gap: 8px;
  margin-bottom: 22px;
}
form input,
form select,
form textarea {
  width: 100%;
  min-width: 0;
  background: white;
  border: 1px solid #92a0a7;
  padding: 12px;
  border-radius: 0;
  color: var(--ink);
  font-size: 0.9rem;
}
form textarea {
  resize: vertical;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
#brief-result {
  margin-top: 28px;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}
#brief-result h2 {
  font-size: 1.45rem;
}
#brief-result p {
  font-size: 0.85rem;
  margin-top: 14px;
}
pre {
  font: 0.8rem/1.6 var(--font);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  background: white;
  padding: 16px;
}
.form-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
dialog {
  border: 0;
  padding: 30px;
  max-width: min(1100px, 94vw);
  max-height: 92dvh;
  color: var(--ink);
  overflow: auto;
}
dialog::backdrop {
  background: #111b24c9;
}
dialog h2 {
  font-size: 1.5rem;
  margin: 4px 50px 24px 0;
}
.dialog-close {
  position: absolute;
  right: 16px;
  top: 14px;
  width: 44px;
  height: 44px;
  background: var(--wash);
  font-size: 1.4rem;
}
.lightbox-image {
  max-height: 72vh;
  object-fit: contain;
  margin: auto;
}
.compare-table {
  overflow: auto;
}
.compare-table table {
  border-collapse: collapse;
  min-width: 600px;
  width: 100%;
  font-size: 0.82rem;
}
.compare-table th,
.compare-table td {
  padding: 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.compare-table thead img {
  width: 200px;
  height: 140px;
  object-fit: cover;
  margin-bottom: 12px;
}
.compare-table th {
  font-weight: 600;
}
.compare-table td {
  color: var(--muted);
}
.toast:empty {
  display: none;
}
.toast {
  position: fixed;
  bottom: 95px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: white;
  padding: 12px 20px;
  z-index: 1300;
  max-width: 90vw;
  font-size: 0.85rem;
}
/* 页尾 */
.closing {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  align-items: center;
  padding-block: 80px;
}
.closing h2 {
  margin-top: 18px;
}
.closing > div > p {
  font-size: 0.9rem;
  margin-bottom: 22px;
}
.closing .eyebrow {
  color: var(--accent);
}
.footer {
  padding: 44px var(--gutter) 20px;
  background: var(--ink);
  color: #f1f4f5;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1.5fr 1fr;
  gap: 32px;
}
.footer-top > div {
  display: flex;
  flex-direction: column;
  gap: 9px;
  font-size: 0.85rem;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid #ffffff2a;
  padding-top: 22px;
  margin-top: 40px;
  font-size: 0.66rem;
  color: #bbc6cc;
}
.footer a:hover {
  text-decoration: underline;
}
body:has(dialog[open]) {
  overflow: hidden;
}
@keyframes appear {
  from {
    opacity: 0.5;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (min-width: 1600px) {
  .showroom-heading {
    padding-top: 64px;
  }
  .lineup > img {
    height: 450px;
  }
}
@media (max-width: 1100px) {
  .header {
    gap: 20px;
  }
  .header nav {
    gap: 18px;
  }
  .header-quote {
    display: none;
  }
  .showroom-heading {
    gap: 24px;
  }
  .feature-copy {
    padding: 28px;
  }
  .feature-photo {
    min-height: 440px;
  }
  .application-layout {
    grid-template-columns: 190px 1fr;
    gap: 28px;
  }
  #application-panel {
    gap: 20px;
  }
  .application-copy h3 {
    font-size: 1.5rem;
  }
  .electric {
    grid-template-columns: 1fr 1fr;
  }
  .electric > .eyebrow {
    grid-column: 1/-1;
  }
  .product-layout {
    gap: 30px;
  }
  .product-main img {
    height: 400px;
  }
  .quote-layout {
    gap: 32px;
  }
  .family-rail p {
    max-width: 19ch;
  }
}
@media (max-width: 760px) {
  .utility {
    font-size: 0.55rem;
    padding-block: 8px;
  }
  .utility > span {
    letter-spacing: 0;
  }
  .utility > span b,
  .utility > span b ~ span {
    display: none;
  }
  .utility > a {
    display: none;
  }
  .header {
    padding-block: 17px;
    flex-wrap: wrap;
  }
  .logo-mark {
    font-size: 2.3rem;
  }
  .logo-name {
    font-size: 0.52rem;
  }
  .menu-toggle {
    display: flex;
    gap: 16px;
    margin-left: auto;
    align-items: center;
    background: white;
    min-height: 44px;
    padding: 8px;
  }
  .header nav {
    display: none;
    flex-basis: 100%;
    margin: 0;
    flex-direction: column;
    gap: 0;
  }
  .header nav.open {
    display: flex;
  }
  .header nav a {
    border-top: 1px solid var(--line);
    padding: 14px 0;
  }
  .showroom-heading {
    padding-top: 34px;
    display: block;
  }
  .showroom-heading h1 {
    font-size: 2.6rem;
    margin-top: 16px;
  }
  .hero-intro {
    max-width: 100%;
    padding: 18px 0 0;
  }
  .hero-intro p {
    font-size: 0.85rem;
    max-width: 42ch;
  }
  .hero-intro .text-link {
    padding-top: 0;
  }
  .lineup {
    padding-top: 12px;
  }
  .lineup > img {
    height: auto;
    aspect-ratio: 2.3;
    object-fit: cover;
  }
  .lineup figcaption {
    font-size: 0.52rem;
    bottom: 0;
  }
  .family-rail {
    padding-inline: 20px;
    grid-template-columns: 1fr;
  }
  .family-rail > a,
  .family-rail > a + a {
    border-left: 0;
    border-bottom: 1px solid var(--line);
    padding: 17px 0;
    gap: 14px;
  }
  .family-rail h2 {
    font-size: 1.15rem;
  }
  .family-rail p {
    max-width: none;
    font-size: 0.72rem;
  }
  .rail-number {
    padding-top: 3px;
  }
  .rail-arrow {
    font-size: 1.4rem;
  }
  .section {
    padding-block: 52px;
  }
  .section-heading {
    display: block;
    margin-bottom: 24px;
  }
  .section-heading > p {
    margin-top: 18px;
  }
  .section-heading > .text-link {
    margin-top: 14px;
  }
  .section-index {
    display: none;
  }
  .range-feature {
    grid-template-columns: 1fr;
  }
  .feature-photo {
    min-height: 0;
  }
  .feature-photo > img {
    height: 300px;
    object-fit: cover;
  }
  .feature-copy {
    padding: 26px;
  }
  .feature-copy h3 {
    font-size: 1.9rem;
  }
  .application-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .application-menu {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0 20px;
  }
  .application-menu button {
    font-size: 1rem;
    padding-block: 14px;
    gap: 10px;
  }
  #application-panel {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  #application-panel img {
    height: 300px;
  }
  .application-copy h3 {
    font-size: 1.6rem;
  }
  .application-copy small {
    margin-top: 12px;
  }
  .workshop-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .interior-shot img {
    height: 300px;
  }
  .workshop-notes h3 {
    font-size: 1.8rem;
    margin-bottom: 24px;
  }
  .electric {
    display: block;
    padding-block: 40px;
  }
  .electric > .eyebrow {
    margin-bottom: 24px;
  }
  .electric h2 {
    font-size: 2rem;
  }
  .electric-faq {
    margin-top: 28px;
  }
  .closing {
    display: block;
    padding-block: 50px;
  }
  .closing > div + div {
    margin-top: 24px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 10px;
  }
  .page-intro h1 {
    font-size: 2.7rem;
  }
  .page-intro > .eyebrow {
    margin-top: 12px;
  }
  .catalog-toolbar {
    display: block;
  }
  .filter-pills {
    gap: 8px;
  }
  .filter-pills button {
    padding-inline: 12px;
    font-size: 0.76rem;
  }
  .use-select {
    margin-top: 20px;
    justify-content: space-between;
  }
  .catalog-meta {
    font-size: 0.67rem;
    gap: 12px;
  }
  .vehicle-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .vehicle-photo > img {
    height: 280px;
  }
  .vehicle-card h3 {
    font-size: 1.45rem;
  }
  .compare-tray {
    gap: 12px;
    padding: 12px;
    bottom: 12px;
    flex-wrap: wrap;
    width: calc(100% - 24px);
  }
  .compare-tray .button {
    padding: 10px 14px;
    gap: 12px;
    min-height: 44px;
    margin-left: auto;
  }
  .compare-tray .text-link {
    font-size: 0.75rem;
  }
  .product-layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .product-main img {
    height: 320px;
  }
  .product-copy h1 {
    font-size: 2.5rem;
  }
  .product-copy > .eyebrow {
    margin-top: 0;
  }
  .detail-bottom {
    display: block;
    padding-block: 40px;
    margin-top: 36px;
  }
  .detail-bottom > div + div {
    margin-top: 24px;
  }
  .quote-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  form {
    padding: 24px;
  }
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .contact-block {
    font-size: 1rem;
  }
  .quote-layout h1 {
    font-size: 2.6rem;
  }
  dialog {
    padding: 22px;
    max-width: 94vw;
  }
  .breadcrumb {
    font-size: 0.68rem;
  }
  .section-heading h2 {
    font-size: 2rem;
  }
}
/* 手机展台保留整车，不为了填满容器裁掉车头和车尾。 */
@media (max-width: 760px) {
  .lineup > img {
    aspect-ratio: auto;
    height: auto;
    object-fit: contain;
  }
  .lineup figcaption {
    position: static;
    text-align: right;
    padding: 5px 12px;
    font-size: 0.58rem;
  }
  .utility > span {
    font-size: 0.5rem;
    letter-spacing: 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    animation: none !important;
    transition: none !important;
  }
}