/*
 * CARSPARE EPC 配件技术支持中心动画模块。
 *
 * 服务页面：views/storefront/epc/index.php（仅 EPC 品牌选择步骤加载）。
 * 依赖：assets/css/apex-vi.css 的森林绿、炭色、Slate、自动状态色和字体令牌。
 * 结构：浅蓝灰模块外壳 → 57/43 双栏 → 左侧工程线稿场景 / 右侧服务说明与 CTA。
 * 约定：所有业务类名使用 carspare-support 前缀；不覆盖站点全局按钮、卡片或动画规则。
 * 动态效果：默认显示静态服务终态；JS 加 .is-enhanced 后启用 11 秒叙事与 5 秒保持。
 */

.carspare-support {
  position: relative;
  padding-block: 28px 58px;
  border-block: 1px solid var(--apx-line);
  background:
    linear-gradient(135deg,
      color-mix(in srgb, var(--apx-surface-cool) 92%, var(--apx-white)) 0%,
      var(--apx-surface) 52%,
      color-mix(in srgb, var(--apx-forest-050) 54%, var(--apx-surface)) 100%);
  overflow: hidden;
}

.carspare-support::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, color-mix(in srgb, var(--apx-ink) 3.5%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in srgb, var(--apx-ink) 3.5%, transparent) 1px, transparent 1px);
  background-size: 96px 96px;
  content: "";
  mask-image: linear-gradient(to right, transparent, var(--apx-white) 18%, var(--apx-white) 82%, transparent);
  pointer-events: none;
}

.carspare-support__shell {
  position: relative;
  display: grid;
  min-height: 344px;
  grid-template-columns: minmax(0, 1.28fr) minmax(360px, 0.92fr);
  overflow: hidden;
  border: 1px solid var(--apx-line-strong);
  border-radius: var(--apx-radius-card);
  background: color-mix(in srgb, var(--apx-white) 94%, transparent);
  box-shadow: var(--apx-shadow-2);
}

/* 左侧工程画布：固定比例与最小高度共同防止首屏加载抖动。 */
.carspare-support__visual {
  position: relative;
  min-width: 0;
  padding: 14px;
  border-right: 1px solid var(--apx-line);
  background: var(--apx-surface);
}

.carspare-support__stage {
  position: relative;
  height: 100%;
  min-height: 314px;
  overflow: hidden;
  border: 1px solid var(--apx-line);
  border-radius: var(--apx-radius-control);
  background:
    radial-gradient(circle at 64% 36%,
      color-mix(in srgb, var(--apx-forest-050) 84%, transparent) 0,
      transparent 45%),
    var(--apx-surface-raised);
}

.carspare-support__grid {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle,
      color-mix(in srgb, var(--apx-ink) 8%, transparent) 0.8px,
      transparent 0.9px);
  background-size: 20px 20px;
  opacity: 0.65;
  pointer-events: none;
}

.carspare-support__hud,
.carspare-support__stage-foot {
  position: absolute;
  z-index: 8;
  right: 14px;
  left: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  color: var(--apx-slate-500);
  font-family: var(--apx-font-mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.carspare-support__hud {
  top: 12px;
}

.carspare-support__stage-foot {
  bottom: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--apx-line);
  font-size: 8px;
}

.carspare-support__hud-label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.carspare-support__live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--apx-forest-600);
  box-shadow: 0 0 0 3px var(--apx-forest-100);
}

.carspare-support__counter {
  color: var(--apx-forest-700);
  white-space: nowrap;
}

.carspare-support__scene-title {
  position: absolute;
  z-index: 8;
  top: 37px;
  left: 16px;
  max-width: 44%;
  margin: 0;
  color: var(--apx-ink);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.35;
}

.carspare-support__scene-subtitle {
  position: absolute;
  z-index: 8;
  top: 75px;
  left: 16px;
  max-width: 42%;
  margin: 0;
  color: var(--apx-slate-500);
  font-size: 9px;
  line-height: 1.45;
  transition: opacity 180ms var(--apx-ease-standard);
}

/*
 * 第二幕的信息卡从左上展开；副标题此时退出画面，避免任何尺寸下与
 * “Vehicle details received”卡片的表头及字段重叠。
 */
.carspare-support.is-expert.is-enhanced .carspare-support__scene-subtitle {
  opacity: 0;
  visibility: hidden;
}

.carspare-support__drawing {
  position: absolute;
  z-index: 2;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  color: var(--apx-charcoal-900);
  pointer-events: none;
}

.carspare-support__blueprint-lines {
  fill: none;
  stroke: var(--apx-slate-300);
  stroke-width: 0.7;
  stroke-dasharray: 2 6;
  opacity: 0.55;
}

.carspare-support__office {
  fill: none;
  stroke: var(--apx-slate-300);
  stroke-width: 0.85;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.62;
}

.carspare-support__car path,
.carspare-support__car circle {
  fill: none;
  stroke: var(--apx-ink);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.carspare-support__car .carspare-support__car-hub {
  stroke-width: 1;
  opacity: 0.72;
}

.carspare-support__car {
  transition: opacity 260ms var(--apx-ease-standard);
}

.carspare-support.has-problem .carspare-support__car,
.carspare-support.is-expert .carspare-support__car {
  opacity: 0.18;
}

.carspare-support__draw {
  stroke-dasharray: 1;
  stroke-dashoffset: 0;
}

.carspare-support.is-enhanced.is-drawing .carspare-support__draw {
  stroke-dashoffset: 1;
}

.carspare-support.is-enhanced.is-drawing .carspare-support__draw--1 {
  animation: carspare-support-draw 0.72s linear 0.02s forwards;
}

.carspare-support.is-enhanced.is-drawing .carspare-support__draw--2 {
  animation: carspare-support-draw 0.66s linear 0.12s forwards;
}

.carspare-support.is-enhanced.is-drawing .carspare-support__draw--3 {
  animation: carspare-support-draw 0.56s linear 0.25s forwards;
}

.carspare-support.is-enhanced.is-drawing .carspare-support__draw--4 {
  animation: carspare-support-draw 0.5s linear 0.26s forwards;
}

.carspare-support.is-enhanced.is-drawing .carspare-support__draw--5 {
  animation: carspare-support-draw 0.45s linear 0.4s forwards;
}

@keyframes carspare-support-draw {
  to {
    stroke-dashoffset: 0;
  }
}

.carspare-support__analysis-lines {
  fill: var(--apx-white);
  stroke: var(--apx-slate-500);
  stroke-width: 0.85;
  stroke-dasharray: 3 4;
  opacity: 0;
  transition: opacity 280ms var(--apx-ease-standard);
}

.carspare-support.has-info .carspare-support__analysis-lines {
  opacity: 0.78;
}

.carspare-support__parts {
  opacity: 0;
  transition: opacity 240ms var(--apx-ease-standard);
}

.carspare-support:not(.is-enhanced) .carspare-support__parts,
.carspare-support.has-parts .carspare-support__parts,
.carspare-support.is-stable .carspare-support__parts {
  opacity: 1;
}

.carspare-support__part {
  fill: color-mix(in srgb, var(--apx-surface-sunken) 84%, transparent);
  stroke: var(--apx-slate-700);
  stroke-width: 1.25;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition:
    opacity 240ms var(--apx-ease-standard),
    transform 300ms var(--apx-ease-standard),
    stroke 240ms var(--apx-ease-standard),
    stroke-width 240ms var(--apx-ease-standard);
  transform-box: fill-box;
  transform-origin: center;
}

.carspare-support__part text {
  fill: var(--apx-slate-500);
  stroke: var(--apx-surface-raised);
  stroke-width: 3px;
  stroke-linejoin: round;
  paint-order: stroke fill;
  font-family: var(--apx-font-mono);
  font-size: 7px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.carspare-support__parts-tray rect {
  fill: var(--apx-white);
  stroke: var(--apx-line);
  stroke-width: 0.8;
  stroke-dasharray: 3 4;
}

.carspare-support__parts-tray path {
  fill: none;
  stroke: var(--apx-line);
  stroke-width: 0.55;
}

.carspare-support__parts-tray .carspare-support__laptop-base {
  fill: var(--apx-white);
  stroke: var(--apx-line-strong);
  stroke-dasharray: none;
}

.carspare-support__parts-tray text {
  fill: var(--apx-slate-500);
  font-family: var(--apx-font-mono);
  font-size: 6px;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.carspare-support__part-rib {
  fill: none !important;
  stroke-width: 0.75 !important;
  opacity: 0.72;
}

.carspare-support__parts-leader {
  fill: none;
  stroke: var(--apx-slate-500);
  stroke-width: 0.8;
  stroke-dasharray: 2 4;
}

.carspare-support__part--ghost-a {
  opacity: 0.58;
  transform: translateY(1px);
}

.carspare-support__part--ghost-b {
  opacity: 0.72;
  transform: translateY(-1px);
}

.carspare-support__part--focus {
  stroke: var(--apx-forest-700);
  stroke-width: 1.65;
}

.carspare-support.has-confirmed .carspare-support__part--ghost-a,
.carspare-support.has-confirmed .carspare-support__part--ghost-b {
  opacity: 0.12;
  transform: scale(0.92);
}

.carspare-support.has-confirmed .carspare-support__part--focus {
  fill: var(--apx-forest-050);
  stroke: var(--apx-forest-600);
  stroke-width: 2.2;
}

.carspare-support__uncertainty {
  fill: var(--apx-warning-bg);
  stroke: var(--apx-warning-fg);
  stroke-width: 1.15;
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
  transform: scale(0.72);
  transition: opacity 220ms var(--apx-ease-standard), transform 260ms var(--apx-ease-standard);
}

.carspare-support__uncertainty text {
  fill: var(--apx-warning-fg);
  stroke: none;
  font-family: var(--apx-font-mono);
  font-size: 16px;
  font-weight: 700;
  text-anchor: middle;
}

.carspare-support__uncertainty text:nth-of-type(2) {
  font-size: 12px;
}

.carspare-support.has-problem:not(.is-expert) .carspare-support__uncertainty {
  opacity: 1;
  transform: scale(1);
}

.carspare-support__customer,
.carspare-support__expert {
  --carspare-person-scale: 1.08;
  fill: var(--apx-surface-raised);
  stroke: var(--apx-charcoal-900);
  stroke-width: 1.35;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0;
  transform-box: fill-box;
  transform-origin: bottom center;
  transform: translateY(8px) scale(var(--carspare-person-scale));
  transition: opacity 280ms var(--apx-ease-standard), transform 360ms var(--apx-ease-standard);
}

.carspare-support__customer {
  --carspare-person-scale: 1.13;
}

.carspare-support__person-detail {
  fill: none !important;
  stroke-width: 0.9 !important;
  opacity: 0.72;
}

.carspare-support__person-hair {
  fill: none !important;
  stroke-width: 1.15 !important;
  opacity: 0.86;
}

.carspare-support__customer-hand {
  fill: var(--apx-surface-raised);
  stroke-width: 1.05;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.carspare-support.has-problem .carspare-support__customer,
.carspare-support.has-message .carspare-support__customer,
.carspare-support:not(.is-enhanced) .carspare-support__customer,
.carspare-support.is-stable .carspare-support__customer {
  opacity: 1;
  transform: translateY(0) scale(var(--carspare-person-scale));
}

.carspare-support.is-expert .carspare-support__expert,
.carspare-support:not(.is-enhanced) .carspare-support__expert,
.carspare-support.is-stable .carspare-support__expert {
  opacity: 1;
  transform: translateY(0) scale(var(--carspare-person-scale));
}

.carspare-support.is-expert .carspare-support__expert {
  stroke: var(--apx-forest-700);
}

.carspare-support__connection-lines {
  fill: var(--apx-forest-600);
  stroke: var(--apx-forest-600);
  stroke-width: 1.25;
  opacity: 0;
  transition: opacity 260ms var(--apx-ease-standard);
}

.carspare-support__connection {
  fill: none;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  transition: stroke-dashoffset 0.38s var(--apx-ease-standard);
}

.carspare-support__connection--data {
  stroke-dasharray: 4 4;
}

.carspare-support__connection--return {
  opacity: 0.72;
}

.carspare-support__connection-lines marker path {
  fill: var(--apx-forest-600);
}

.carspare-support.has-links .carspare-support__connection-lines {
  opacity: 0.84;
}

.carspare-support.has-links .carspare-support__connection--main {
  stroke-dashoffset: 0;
}

.carspare-support.has-links .carspare-support__connection--data {
  stroke-dashoffset: 0;
}

.carspare-support.has-closed .carspare-support__connection-lines,
.carspare-support:not(.is-enhanced) .carspare-support__connection-lines,
.carspare-support.is-stable .carspare-support__connection-lines {
  opacity: 1;
}

.carspare-support.has-closed .carspare-support__connection,
.carspare-support:not(.is-enhanced) .carspare-support__connection,
.carspare-support.is-stable .carspare-support__connection {
  stroke-dashoffset: 0;
}

/* 画布内 HTML 信息层：所有文字均可读，SVG 只承担线稿和连线。 */
.carspare-support__info-panel,
.carspare-support__variations,
.carspare-support__message-card,
.carspare-support__chat,
.carspare-support__confirmation {
  position: absolute;
  z-index: 5;
}

.carspare-support__info-panel {
  top: 69px;
  right: 16px;
  display: grid;
  width: 43%;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 5px;
  opacity: 0;
  transform: translateX(10px);
  transition: opacity 240ms var(--apx-ease-standard), transform 320ms var(--apx-ease-standard);
}

/* 确认阶段把结果卡放到画布上方，人物与候选零件继续在下方完整可见。 */
.carspare-support.has-confirmed .carspare-support__confirmation,
.carspare-support.is-stable .carspare-support__confirmation {
  top: 58px;
  bottom: auto;
}

.carspare-support__info-card {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 6px;
  padding: 5px 6px;
  border: 1px solid var(--apx-line);
  border-radius: var(--apx-radius-xs);
  background: color-mix(in srgb, var(--apx-white) 93%, transparent);
  color: var(--apx-ink);
  font-size: 9px;
  line-height: 1.25;
  box-shadow: var(--apx-shadow-1);
}

.carspare-support__info-card small {
  color: var(--apx-forest-700);
  font-family: var(--apx-font-mono);
  font-size: 7px;
  font-weight: 700;
}

.carspare-support__info-card strong {
  overflow: hidden;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.carspare-support__info-card--wide {
  grid-column: 1 / -1;
}

.carspare-support.has-info:not(.is-expert) .carspare-support__info-panel {
  opacity: 1;
  transform: translateX(0);
}

.carspare-support__variations {
  right: 18px;
  top: 166px;
  bottom: auto;
  display: flex;
  gap: 4px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 220ms var(--apx-ease-standard), transform 280ms var(--apx-ease-standard);
}

.carspare-support__variations span {
  display: flex;
  min-width: 48px;
  flex-direction: column;
  padding: 4px 5px;
  border: 1px solid var(--apx-line-strong);
  border-radius: var(--apx-radius-xs);
  background: var(--apx-white);
  color: var(--apx-slate-500);
  font-family: var(--apx-font-mono);
  font-size: 7px;
  line-height: 1.4;
}

.carspare-support__variations b {
  color: var(--apx-ink);
  font-size: 8px;
}

.carspare-support.has-variations:not(.is-expert) .carspare-support__variations {
  opacity: 1;
  transform: translateY(0);
}

.carspare-support__message-card {
  top: 58px;
  left: 17px;
  width: 39%;
  padding: 8px;
  border: 1px solid var(--apx-line-strong);
  border-left: 3px solid var(--apx-forest-600);
  border-radius: var(--apx-radius-control);
  /* 信息卡承载字段文本，必须使用实底，避免后方车辆轮廓透出造成视觉叠字。 */
  background: var(--apx-white);
  box-shadow: var(--apx-shadow-2);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 240ms var(--apx-ease-standard), transform 320ms var(--apx-ease-standard);
}

.carspare-support__message-head {
  display: flex;
  align-items: center;
  gap: 7px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--apx-line);
}

.carspare-support__message-head > span:first-child svg {
  width: 17px;
  height: 17px;
  color: var(--apx-forest-700);
}

.carspare-support__message-head > span:last-child {
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.carspare-support__message-head small,
.carspare-support__chat small,
.carspare-support__confirmation-head small {
  color: var(--apx-slate-500);
  font-family: var(--apx-font-mono);
  font-size: 7px;
  font-weight: 600;
  letter-spacing: 0.035em;
}

.carspare-support__message-head strong {
  font-size: 9px;
}

.carspare-support__message-card ul,
.carspare-support__confirmation ul {
  display: grid;
  gap: 4px;
  margin: 7px 0 0;
  padding: 0;
  list-style: none;
}

.carspare-support__message-card li {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: var(--apx-slate-600);
  font-size: 7.5px;
}

.carspare-support__message-card li b {
  color: var(--apx-forest-700);
  font-family: var(--apx-font-mono);
  font-size: 7px;
  font-weight: 600;
  text-transform: uppercase;
}

.carspare-support__message-card li b.is-optional {
  color: var(--apx-warning-fg);
}

.carspare-support.has-message .carspare-support__message-card {
  opacity: 1;
  transform: translateY(0);
}

.carspare-support:not(.is-enhanced) .carspare-support__message-card {
  opacity: 1;
  transform: translateY(0);
}

.carspare-support__chat {
  top: 68px;
  right: 18px;
  display: flex;
  width: 40%;
  align-items: flex-start;
  gap: 7px;
  padding: 8px 9px;
  border: 1px solid var(--apx-forest-200);
  border-radius: var(--apx-radius-control) var(--apx-radius-control) var(--apx-radius-control) var(--apx-radius-xs);
  background: var(--apx-forest-050);
  color: var(--apx-ink);
  opacity: 0;
  transform: translateY(7px) scale(0.98);
  transition: opacity 220ms var(--apx-ease-standard), transform 300ms var(--apx-ease-standard);
}

.carspare-support__chat::after {
  position: absolute;
  right: 10px;
  bottom: -7px;
  width: 12px;
  height: 12px;
  border-right: 1px solid var(--apx-forest-200);
  border-bottom: 1px solid var(--apx-forest-200);
  background: var(--apx-forest-050);
  content: "";
  transform: rotate(45deg);
}

.carspare-support__chat-avatar {
  display: grid;
  width: 23px;
  height: 23px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  background: var(--apx-forest-600);
  color: var(--apx-white);
  font-family: var(--apx-font-mono);
  font-size: 7px;
  font-weight: 700;
}

.carspare-support__chat > span:last-child {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 2px;
}

.carspare-support__chat strong {
  font-size: 9px;
  line-height: 1.35;
}

.carspare-support.is-expert.is-enhanced .carspare-support__chat {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.carspare-support.is-stable .carspare-support__chat,
.carspare-support.has-confirmed .carspare-support__chat {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.carspare-support__confirmation {
  right: 17px;
  bottom: 42px;
  width: 43%;
  padding: 8px;
  border: 1px solid var(--apx-stock-line);
  border-radius: var(--apx-radius-control);
  background: color-mix(in srgb, var(--apx-stock-bg) 66%, var(--apx-white));
  box-shadow: var(--apx-shadow-2);
  opacity: 0;
  transform: translateY(8px) scale(0.985);
  transition: opacity 240ms var(--apx-ease-standard), transform 320ms var(--apx-ease-standard);
}

.carspare-support__confirmation-head {
  display: flex;
  align-items: center;
  gap: 7px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--apx-stock-line);
}

.carspare-support__check {
  display: grid;
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  background: var(--apx-forest-600);
  color: var(--apx-white);
  font-size: 12px;
  font-weight: 700;
}

.carspare-support__confirmation-head > span:last-child {
  display: flex;
  flex-direction: column;
}

.carspare-support__confirmation-head strong {
  color: var(--apx-ink);
  font-size: 9px;
}

.carspare-support__confirmation li {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: var(--apx-slate-600);
  font-size: 7.5px;
}

.carspare-support__confirmation li span {
  color: var(--apx-stock-fg);
  font-family: var(--apx-font-mono);
  font-size: 6.5px;
  font-weight: 700;
  text-transform: uppercase;
}

.carspare-support__confirmation p {
  margin: 6px 0 0;
  padding-top: 5px;
  border-top: 1px solid var(--apx-stock-line);
  color: var(--apx-stock-fg);
  font-size: 7px;
  line-height: 1.4;
}

.carspare-support.has-confirmed .carspare-support__confirmation,
.carspare-support:not(.is-enhanced) .carspare-support__confirmation,
.carspare-support.is-stable .carspare-support__confirmation {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.carspare-support.has-confirmed .carspare-support__chat {
  opacity: 0;
  transform: translateY(-5px) scale(0.98);
}

.carspare-support.has-confirmed .carspare-support__message-card {
  /* 终态仍需读取车型、年份、发动机与可选 OE，不为装饰透明度牺牲文字可读性。 */
  opacity: 1;
}

/* 鼠标悬停或离开视口时暂停 CSS 描线动画，使它与 JS 时间轴保持同一节奏。 */
.carspare-support.is-paused *,
.carspare-support.is-paused *::before,
.carspare-support.is-paused *::after {
  animation-play-state: paused !important;
}

/* 右侧服务说明：信息密度更高，但主标题和 CTA 始终优先。 */
.carspare-support__copy {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  padding: 30px 34px;
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--apx-white) 93%, transparent),
      color-mix(in srgb, var(--apx-surface) 94%, transparent));
}

.carspare-support__copy::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--apx-forest-600), transparent 68%);
  content: "";
}

.carspare-support__kicker {
  color: var(--apx-forest-700);
  font-family: var(--apx-font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.carspare-support__copy h2 {
  max-width: 540px;
  margin: 9px 0 0;
  color: var(--apx-ink);
  font-size: clamp(28px, 2.8vw, 39px);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.06;
}

.carspare-support__lead {
  max-width: 560px;
  margin: 12px 0 0;
  color: var(--apx-slate-600);
  font-size: 13px;
  line-height: 1.65;
}

.carspare-support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 19px;
}

.carspare-support__cta {
  min-height: 44px;
  padding-inline: 16px;
  font-size: 12px;
  white-space: normal;
}

.carspare-support__cta svg {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
}

.carspare-support__contact-status {
  margin: 10px 0 0;
  padding: 8px 10px;
  border: 1px solid var(--apx-warning-line);
  border-radius: var(--apx-radius-control);
  background: var(--apx-warning-bg);
  color: var(--apx-warning-fg);
  font-size: 10px;
  line-height: 1.5;
}

.carspare-support__contact-status[hidden] {
  display: none;
}

.carspare-support__note {
  margin: 11px 0 0;
  color: var(--apx-slate-500);
  font-size: 11px;
  line-height: 1.55;
}

.carspare-support__process {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: 18px 0 0;
  padding: 13px 0 0;
  border-top: 1px solid var(--apx-line);
  list-style: none;
}

.carspare-support__process li {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 3px;
  padding-inline: 10px;
  border-left: 1px solid var(--apx-line);
  color: var(--apx-slate-600);
  font-size: 9px;
  line-height: 1.35;
}

.carspare-support__process li:first-child {
  padding-left: 0;
  border-left: 0;
}

.carspare-support__process b {
  color: var(--apx-forest-700);
  font-family: var(--apx-font-mono);
  font-size: 8px;
  letter-spacing: 0.06em;
}

/* 循环复位只在最后 200ms 轻微降低场景透明度，背景与模块高度保持不变。 */
.carspare-support.is-resetting .carspare-support__stage {
  opacity: 0.2;
}

.carspare-support.is-resetting .carspare-support__stage,
.carspare-support__stage {
  transition: opacity 160ms linear;
}

@media (max-width: 1199px) {
  .carspare-support__shell {
    grid-template-columns: minmax(0, 1.12fr) minmax(340px, 0.88fr);
  }

  .carspare-support__copy {
    padding: 26px;
  }

  .carspare-support__info-card {
    font-size: 8px;
  }
}

@media (max-width: 991px) {
  .carspare-support {
    padding-block: 22px 44px;
  }

  .carspare-support__shell {
    grid-template-columns: minmax(0, 1fr);
  }

  .carspare-support__visual {
    min-height: 350px;
    border-right: 0;
    border-bottom: 1px solid var(--apx-line);
  }

  .carspare-support__stage {
    min-height: 322px;
  }

  .carspare-support__copy {
    padding: 28px;
  }

  .carspare-support__copy h2 {
    max-width: 680px;
  }
}

@media (max-width: 767px) {
  .carspare-support {
    padding-block: 18px 38px;
  }

  .carspare-support .sf-epcflow__container {
    width: calc(100% - 32px);
  }

  .carspare-support__visual {
    min-height: 338px;
    padding: 8px;
  }

  .carspare-support__stage {
    min-height: 320px;
  }

  .carspare-support__scene-title {
    top: 35px;
    max-width: 54%;
    font-size: 11px;
  }

  .carspare-support__scene-subtitle {
    display: none;
  }

  .carspare-support__hud {
    right: 10px;
    left: 10px;
  }

  .carspare-support__info-panel {
    top: 66px;
    right: 10px;
    width: 48%;
  }

  .carspare-support__info-card {
    padding: 4px;
    font-size: 7px;
  }

  .carspare-support__info-card small {
    display: none;
  }

  .carspare-support__variations {
    right: 11px;
    top: 155px;
    bottom: auto;
  }

  .carspare-support__message-card {
    top: 58px;
    left: 11px;
    width: 46%;
  }

  .carspare-support__chat {
    top: 71px;
    right: 11px;
    width: 46%;
  }

  .carspare-support__confirmation {
    top: 58px;
    right: 11px;
    bottom: auto;
    width: 49%;
    padding: 6px;
  }

  .carspare-support__confirmation p {
    display: none;
  }

  .carspare-support__copy {
    padding: 23px 20px 25px;
  }

  .carspare-support__copy h2 {
    font-size: clamp(28px, 8vw, 36px);
  }

  .carspare-support__lead {
    font-size: 12px;
  }

  .carspare-support__actions {
    flex-direction: column;
  }

  .carspare-support__cta {
    width: 100%;
    justify-content: center;
  }

  .carspare-support__process {
    grid-template-columns: minmax(0, 1fr);
  }

  .carspare-support__process li {
    flex-direction: row;
    gap: 8px;
    padding: 7px 0;
    border-top: 1px solid var(--apx-line);
    border-left: 0;
  }

  .carspare-support__process li:first-child {
    border-top: 0;
  }
}

@media (max-width: 479px) {
  .carspare-support__hud-label {
    max-width: 74%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .carspare-support__scene-title {
    max-width: 60%;
  }

  .carspare-support__variations span:first-child,
  .carspare-support__variations span:last-child {
    display: none;
  }

  .carspare-support__message-card {
    width: 50%;
  }

  .carspare-support__message-card li:nth-child(n + 3) {
    display: none;
  }

  .carspare-support__chat {
    width: 43%;
  }

  .carspare-support__chat small {
    display: none;
  }

  .carspare-support__confirmation {
    width: 53%;
  }

  .carspare-support__confirmation li {
    font-size: 7px;
  }

  .carspare-support__stage-foot span:last-child {
    display: none;
  }
}

/*
 * Reduced motion: JS 直接显示最终服务画面并停止 RAF。这里再覆盖所有过渡，
 * 保证用户系统偏好为 reduce 时，即使 CSS 动画意外被触发也不会产生位移或描线。
 */
@media (prefers-reduced-motion: reduce) {
  .carspare-support *,
  .carspare-support *::before,
  .carspare-support *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}