/* workshop.css · Palmuva 官网顶部索引、全宽Mega-Menu、车工坊开源社区与下载中心独立页面 */

/* 1. 顶部导航与全宽横屏下拉 Mega-Menu */
.header .desktop-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 14px;
  font-weight: 500;
}

.desktop-nav a.active-nav {
  color: var(--green);
  font-weight: 600;
}

.desktop-nav a.active-nav::after {
  width: 100% !important;
}

.nav-item-dropdown {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 100%;
  padding-bottom: 12px;
  margin-bottom: -12px;
}

.nav-item-dropdown::before {
  content: '';
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  height: 30px;
  pointer-events: auto;
}

.nav-link-dropdown {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 0;
  cursor: pointer;
  color: var(--ink);
  transition: color 0.2s;
}

.nav-link-dropdown svg {
  transition: transform 0.25s ease;
}

.nav-item-dropdown:hover .nav-link-dropdown,
.nav-item-dropdown:focus-within .nav-link-dropdown {
  color: var(--green);
}

.nav-item-dropdown:hover .nav-link-dropdown svg,
.nav-item-dropdown:focus-within .nav-link-dropdown svg {
  transform: rotate(180deg);
}

/* Mega-Menu 下拉面板通用容器 · 覆盖横屏全宽 (Full-width viewport dropdown) */
.mega-menu {
  position: fixed;
  top: 86px;
  left: 0;
  right: 0;
  width: 100vw;
  background: #ffffff;
  border-top: 1px solid rgba(220, 222, 210, 0.7);
  border-bottom: 1px solid rgba(220, 222, 210, 0.9);
  box-shadow: 0 24px 48px -12px rgba(18, 48, 38, 0.14), 0 8px 18px -4px rgba(18, 48, 38, 0.06);
  padding: 28px 0 32px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.22s cubic-bezier(0.16, 1, 0.3, 1), transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.22s;
  transform: translateY(-8px);
  z-index: 150;
  box-sizing: border-box;
}

.nav-item-dropdown:hover .mega-menu,
.nav-item-dropdown:focus-within .mega-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.mega-menu-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 40px;
  box-sizing: border-box;
}

.mega-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid #e9eee9;
}

.mega-menu-title {
  font-size: 14px;
  font-weight: 700;
  color: #1a3931;
  letter-spacing: 0.4px;
}

.mega-menu-hint {
  font-size: 12px;
  color: #7b8e88;
}

/* 产品全宽下拉展示 · 优化精致和谐比例 */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.menu-product-card {
  display: flex;
  flex-direction: column;
  padding: 18px 18px 20px;
  background: #fbfcfb;
  border: 1px solid rgba(224, 230, 226, 0.9);
  border-radius: 14px;
  text-decoration: none;
  color: inherit;
  transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(18, 48, 38, 0.02);
}

.menu-product-card:hover {
  background: #ffffff;
  border-color: rgba(33, 76, 67, 0.45);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px -4px rgba(33, 76, 67, 0.10), 0 4px 10px rgba(18, 48, 38, 0.04);
}

.product-card-badge {
  position: absolute;
  top: 28px;
  right: 28px;
  font-size: 10px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 12px;
  background: #10c96d;
  color: #ffffff;
  letter-spacing: 0.4px;
  z-index: 3;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(4px);
}

.menu-product-preview {
  height: 156px;
  border-radius: 10px;
  background: linear-gradient(145deg, #182622, #0d1714);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.menu-product-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.menu-product-card:hover .menu-product-preview img {
  transform: scale(1.03);
}

.menu-product-title {
  font-size: 15px;
  font-weight: 700;
  color: #16332b;
  margin: 0 0 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  letter-spacing: 0.2px;
}

.menu-product-title span {
  font-size: 13px;
  color: #72847e;
  transition: transform 0.2s, color 0.2s;
}

.menu-product-card:hover .menu-product-title span {
  color: #214c43;
  transform: translate(2px, -2px);
}

.menu-product-desc {
  font-size: 12.5px;
  color: #5d6f69;
  line-height: 1.6;
  margin: 0 0 16px;
  flex-grow: 1;
}

.menu-product-action {
  font-size: 12px;
  font-weight: 600;
  color: #214c43;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border-top: 1px solid #edf1ee;
  padding-top: 12px;
  transition: color 0.2s;
}

.menu-product-card:hover .menu-product-action {
  color: #0b8043;
}

/* 图 4：行业应用全宽下拉展示（消费级与产品级双层分类，不做跳转） */
.industry-categories {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.industry-category-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.industry-category-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.cat-pill {
  font-size: 10px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
  background: rgba(16, 201, 109, 0.15);
  color: #10c96d;
  letter-spacing: 0.5px;
}

.cat-pill-pro {
  background: rgba(59, 130, 246, 0.15);
  color: #3b82f6;
}

.cat-heading {
  font-size: 13px;
  font-weight: 600;
  color: #214c43;
  letter-spacing: 0.5px;
}

.cat-sub {
  font-size: 11px;
  color: #7a8c86;
}

.industry-grid-consumer {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.industry-grid-pro {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.industry-card {
  position: relative;
  height: 145px;
  border-radius: 10px;
  overflow: hidden;
  background: #1c2e28;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 12px 14px;
  cursor: default;
  transition: transform 0.25s, box-shadow 0.25s;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.industry-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(16, 25, 26, 0.25);
}

.industry-card-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-size: cover;
  background-position: center;
  transition: transform 0.4s ease;
}

.industry-card:hover .industry-card-bg {
  transform: scale(1.06);
}

.industry-card-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(180deg, rgba(16, 25, 26, 0.1) 0%, rgba(16, 25, 26, 0.88) 80%);
}

.industry-card-content {
  position: relative;
  z-index: 3;
}

.industry-card-tag {
  font-size: 9px;
  color: #10c96d;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 3px;
}

.industry-card-title {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 4px;
  color: #ffffff;
}

.industry-card-desc {
  font-size: 10px;
  color: #b5c4bf;
  line-height: 1.4;
  margin: 0;
}

/* 2. 车工坊独立页面 (workshop.html) 样式 */
.standalone-workshop-hero {
  padding-top: 36px;
  padding-bottom: 24px;
}

.workshop-hero-card {
  position: relative;
  background: linear-gradient(135deg, #15382e 0%, #0d241d 100%);
  border-radius: 20px;
  padding: 44px 50px;
  color: #ffffff;
  overflow: hidden;
  box-shadow: 0 20px 48px -12px rgba(18, 48, 38, 0.25);
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 40px;
  align-items: center;
}

.workshop-hero-glow {
  position: absolute;
  top: -40px;
  right: -40px;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(16, 201, 109, 0.22) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge-pill {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.2px;
  color: #10c96d;
  background: rgba(16, 201, 109, 0.15);
  border: 1px solid rgba(16, 201, 109, 0.35);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.workshop-page-title {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 14px;
  color: #ffffff;
  letter-spacing: -0.5px;
}

.workshop-page-subtitle {
  font-size: 14px;
  line-height: 1.8;
  color: #b2c9c0;
  margin: 0 0 28px;
  max-width: 580px;
}

.workshop-hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-workshop-upload-hero {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #10c96d;
  color: #ffffff;
  font-size: 14px;
  font-weight: 600;
  padding: 13px 26px;
  border-radius: 30px;
  border: none;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(16, 201, 109, 0.35);
  transition: transform 0.2s, background-color 0.2s, box-shadow 0.2s;
}

.btn-workshop-upload-hero:hover {
  background: #0eb360;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(16, 201, 109, 0.45);
}

.workshop-search-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.workshop-search-wrap svg {
  position: absolute;
  left: 16px;
  color: #79938b;
  pointer-events: none;
}

.workshop-search-wrap input {
  padding: 12px 20px 12px 44px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 30px;
  font-size: 13px;
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  width: 280px;
  backdrop-filter: blur(8px);
  transition: width 0.2s, border-color 0.2s, background-color 0.2s;
}

.workshop-search-wrap input::placeholder {
  color: #8da49c;
}

.workshop-search-wrap input:focus {
  width: 320px;
  border-color: #10c96d;
  background: rgba(255, 255, 255, 0.18);
  outline: none;
}

.workshop-hero-stats {
  display: flex;
  flex-direction: column;
  gap: 20px;
  border-left: 1px solid rgba(255, 255, 255, 0.15);
  padding-left: 40px;
}

.hero-stat-item .stat-number {
  display: block;
  font-size: 32px;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.1;
  font-feature-settings: "tnum";
}

.hero-stat-item .stat-label {
  font-size: 11px;
  color: #8fa89e;
  letter-spacing: 0.5px;
}

/* 车型筛选 Tab */
.workshop-community-section {
  padding-top: 32px;
  padding-bottom: 70px;
}

.workshop-filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.vehicle-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.vehicle-tab {
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 500;
  background: #edf0ec;
  border: 1px solid transparent;
  color: #556660;
  cursor: pointer;
  transition: all 0.2s;
}

.vehicle-tab:hover {
  background: #e2e7e0;
  color: #1a3931;
}

.vehicle-tab.active {
  background: #214c43;
  color: #ffffff;
  border-color: #214c43;
}

.vehicle-tab sup {
  font-size: 10px;
  opacity: 0.75;
  margin-left: 3px;
}

/* 开源车标卡片网格 */
.workshop-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.community-card {
  background: #ffffff;
  border: 1px solid #e2e8e4;
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.22s, box-shadow 0.22s, border-color 0.22s;
}

.community-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(22, 54, 44, 0.09);
  border-color: #c7d6ce;
}

.community-card-preview {
  height: 190px;
  background: #f3f6f4;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.community-card-preview img {
  max-width: 80%;
  max-height: 80%;
  object-fit: contain;
  transition: transform 0.3s ease;
  filter: drop-shadow(0 8px 14px rgba(18, 48, 38, 0.12));
}

.community-card:hover .community-card-preview img {
  transform: scale(1.08);
}

.community-brand-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid #dce4e0;
  border-radius: 20px;
  padding: 3px 10px;
  font-size: 10px;
  font-weight: 600;
  color: #214c43;
  backdrop-filter: blur(4px);
}

.community-snap-pill {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: rgba(33, 76, 67, 0.88);
  color: #ffffff;
  border-radius: 14px;
  padding: 2px 8px;
  font-size: 9px;
  font-weight: 500;
}

.community-card-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.community-card-title {
  font-size: 15px;
  font-weight: 600;
  color: #1a3931;
  margin: 0 0 6px;
  line-height: 1.4;
}

.community-card-author {
  font-size: 11px;
  color: #7b8e88;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.community-card-author .author-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10c96d;
}

.community-card-footer {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid #edf2ef;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-stats {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  color: #8b9994;
}

.btn-card-like {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  color: #8b9994;
  cursor: pointer;
  padding: 0;
  font-size: 11px;
  transition: color 0.15s, transform 0.15s;
}

.btn-card-like:hover {
  color: #e74c3c;
  transform: scale(1.1);
}

.btn-card-like.liked {
  color: #e74c3c;
}

.btn-card-download {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #214c43;
  color: #ffffff;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s, transform 0.2s;
}

.btn-card-download:hover {
  background: #2f6559;
  transform: translateY(-1px);
}

/* 规范建议卡片 */
.workshop-guidelines {
  padding-bottom: 80px;
}

.guidelines-card {
  background: #f7faf8;
  border: 1px solid #e0e7e3;
  border-radius: 16px;
  padding: 36px 42px;
}

.guidelines-header h3 {
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 6px;
  color: #1a3931;
}

.guidelines-header p {
  font-size: 13px;
  color: #778a83;
  margin: 0 0 24px;
}

.guidelines-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.guideline-item {
  background: #ffffff;
  padding: 20px;
  border-radius: 12px;
  border: 1px solid #e8edea;
}

.guideline-num {
  font-size: 12px;
  font-weight: 700;
  color: #10c96d;
  background: rgba(16, 201, 109, 0.12);
  padding: 2px 8px;
  border-radius: 12px;
  display: inline-block;
  margin-bottom: 10px;
}

.guideline-item h4 {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 8px;
  color: #1a3931;
}

.guideline-item p {
  font-size: 12px;
  line-height: 1.6;
  color: #63756f;
  margin: 0;
}

/* 3. 下载中心独立页面 (download.html) 样式 (图 3 风格) */
.download-page-hero {
  padding-top: 40px;
  padding-bottom: 70px;
}

.download-hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 50px;
  align-items: center;
}

/* 软件窗口模型 (Mockup) */
.software-window-mockup {
  background: #172620;
  border-radius: 14px;
  box-shadow: 0 24px 60px -12px rgba(18, 48, 38, 0.35);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.real-software-preview-wrap {
  width: 100%;
  background: #f8fafc;
  display: block;
  overflow: hidden;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.real-software-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.real-software-preview-wrap:hover .real-software-img {
  transform: scale(1.02);
}

.mockup-window-bar {
  background: #0f1c17;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 7px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.window-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.window-dot.red { background: #ff5f56; }
.window-dot.yellow { background: #ffbd2e; }
.window-dot.green { background: #27c93f; }

.window-title {
  font-size: 11px;
  color: #8c9e97;
  margin-left: 8px;
  font-family: monospace;
}

.mockup-window-body {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  height: 380px;
}

.mockup-viewport {
  background: #1c2e27;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.mockup-grid-lines {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 20px 20px;
}

.mockup-badge-3d {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.badge-ring {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  border: 6px solid #4ecca3;
  box-shadow: 0 0 30px rgba(78, 204, 163, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
}

.badge-logo-p {
  font-size: 48px;
  font-weight: 700;
  color: #ffffff;
  position: absolute;
}

.badge-snap-indicator {
  margin-top: 18px;
  font-size: 10px;
  color: #4ecca3;
  background: rgba(78, 204, 163, 0.15);
  border: 1px solid rgba(78, 204, 163, 0.3);
  padding: 3px 10px;
  border-radius: 12px;
}

.mockup-cam-controls {
  position: absolute;
  bottom: 12px;
  left: 12px;
  display: flex;
  gap: 6px;
}

.cam-btn {
  font-size: 9px;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.4);
  color: #a2b5ae;
  cursor: default;
}

.cam-btn.active {
  background: #214c43;
  color: #ffffff;
}

.mockup-sidebar {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: #14221d;
}

.mockup-panel-item {
  background: #1b2d26;
  padding: 10px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.mockup-panel-item .panel-label {
  display: block;
  font-size: 9px;
  color: #7b938b;
  margin-bottom: 2px;
}

.mockup-panel-item .panel-val {
  display: block;
  font-size: 11px;
  color: #ffffff;
  font-weight: 500;
}

.mockup-export-btn {
  margin-top: auto;
  background: #10c96d;
  color: #ffffff;
  padding: 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  text-align: center;
}

/* 下载详情栏目 */
.download-version-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 700;
  color: #214c43;
  background: #e2ece7;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 18px;
}

.download-version-pill .version-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10c96d;
}

.download-page-heading {
  font-size: 38px;
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 16px;
  color: #1a3931;
  letter-spacing: -0.5px;
}

.download-page-lead {
  font-size: 14px;
  line-height: 1.8;
  color: #63756f;
  margin: 0 0 28px;
}

.download-buttons-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.btn-primary-download {
  display: flex;
  align-items: center;
  gap: 14px;
  background: #214c43;
  color: #ffffff;
  padding: 16px 24px;
  border-radius: 12px;
  text-decoration: none;
  transition: background-color 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 8px 24px rgba(33, 76, 67, 0.25);
}

.btn-primary-download:hover {
  background: #2b5f54;
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(33, 76, 67, 0.35);
}

.btn-primary-download .btn-title {
  display: block;
  font-size: 15px;
  font-weight: 600;
}

.btn-primary-download .btn-sub {
  display: block;
  font-size: 11px;
  color: #b7ccc4;
  margin-top: 2px;
}

.btn-portable-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #f0f4f1;
  color: #214c43;
  border: 1px solid #d2ded7;
  padding: 12px 20px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-portable-download:hover {
  background: #e2ede7;
  border-color: #214c43;
}

.download-meta-info {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  padding-top: 18px;
  border-top: 1px solid #e2e8e4;
}

.meta-item .meta-title {
  display: block;
  font-size: 11px;
  color: #8b9994;
  margin-bottom: 2px;
}

.meta-item .meta-desc {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: #1a3931;
}

/* 4 大核心亮点卡片横排 (图 3 风格) */
.download-features-section {
  padding-bottom: 70px;
}

.download-features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.feature-card {
  background: #ffffff;
  border: 1px solid #e0e7e3;
  border-radius: 14px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(22, 54, 44, 0.08);
}

.feature-icon-badge {
  font-size: 12px;
  font-weight: 700;
  color: #10c96d;
  background: rgba(16, 201, 109, 0.12);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 10px;
  color: #1a3931;
}

.feature-card p {
  font-size: 12px;
  line-height: 1.65;
  color: #63756f;
  margin: 0 0 16px;
  flex-grow: 1;
}

.feature-tag {
  font-size: 10px;
  font-weight: 600;
  color: #214c43;
  background: #e7efe9;
  padding: 3px 8px;
  border-radius: 12px;
  align-self: flex-start;
}

/* 3 步工作流 */
.download-workflow-section {
  padding-bottom: 70px;
}

.workflow-card {
  background: #f7faf8;
  border: 1px solid #e0e7e3;
  border-radius: 16px;
  padding: 36px 42px;
}

.workflow-card h3 {
  font-size: 22px;
  font-weight: 600;
  margin: 0 0 28px;
  color: #1a3931;
}

.workflow-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.workflow-step {
  background: #ffffff;
  padding: 22px;
  border-radius: 12px;
  border: 1px solid #e8edea;
}

.step-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: #214c43;
  background: #e2ede8;
  padding: 3px 8px;
  border-radius: 10px;
  margin-bottom: 10px;
}

.workflow-step h4 {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 8px;
  color: #1a3931;
}

.workflow-step p {
  font-size: 12px;
  line-height: 1.6;
  color: #63756f;
  margin: 0;
}

/* 更新日志 */
.download-changelog-section {
  padding-bottom: 80px;
}

.changelog-card {
  background: #ffffff;
  border: 1px solid #e0e7e3;
  border-radius: 16px;
  padding: 32px 38px;
}

.changelog-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.version-tag {
  font-size: 10px;
  font-weight: 700;
  color: #ffffff;
  background: #214c43;
  padding: 3px 8px;
  border-radius: 6px;
}

.changelog-header h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 0;
  color: #1a3931;
}

.changelog-list {
  padding-left: 20px;
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: #556660;
}

.changelog-list li {
  margin-bottom: 6px;
}

/* 4. 上传车标弹窗样式 */
.workshop-modal {
  border: none;
  border-radius: 16px;
  padding: 28px;
  background: #ffffff;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.25);
  max-width: 540px;
  width: 90vw;
}

.workshop-modal::backdrop {
  background: rgba(14, 30, 24, 0.65);
  backdrop-filter: blur(4px);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid #edf0ec;
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 0;
  color: #1a3931;
}

.modal-close-btn {
  background: none;
  border: none;
  font-size: 18px;
  color: #8b9994;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
}

.modal-close-btn:hover {
  background: #f0f2f0;
  color: #1a3931;
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: #33443e;
  margin-bottom: 6px;
}

.form-group label .required {
  color: #e74c3c;
}

.form-group input[type="text"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid #d2ded7;
  border-radius: 8px;
  font-size: 13px;
  background: #f8faf9;
  box-sizing: border-box;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: #214c43;
  outline: none;
  background: #ffffff;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.upload-preview-box {
  margin-top: 8px;
  height: 100px;
  border-radius: 8px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  border: 1px dashed #c0d1c8;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 10px;
}

.btn-workshop-upload {
  background: #10c96d;
  color: #ffffff;
  padding: 10px 22px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  border: none;
  cursor: pointer;
}

.btn-workshop-upload:hover {
  background: #0db15f;
}

/* 5. 响应式布局优化 */
@media (max-width: 1100px) {
  .mega-menu {
    top: 76px;
    padding: 24px 0;
  }
  .mega-menu-inner {
    padding: 0 30px;
  }
  .products-grid {
    grid-template-columns: 1fr;
  }
  .industry-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .workshop-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .workshop-hero-card {
    grid-template-columns: 1fr;
  }
  .workshop-hero-stats {
    flex-direction: row;
    border-left: none;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-left: 0;
    padding-top: 20px;
  }
  .download-hero-grid {
    grid-template-columns: 1fr;
  }
  .download-features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 5. 响应式布局优化与完美移动端适配 */
@media (max-width: 1100px) {
  .mega-menu {
    top: 76px;
    padding: 24px 0;
  }
  .mega-menu-inner {
    padding: 0 30px;
  }
  .products-grid {
    grid-template-columns: 1fr;
  }
  .industry-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .workshop-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .workshop-hero-card {
    grid-template-columns: 1fr;
  }
  .workshop-hero-stats {
    flex-direction: row;
    border-left: none;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-left: 0;
    padding-top: 20px;
  }
  .download-hero-grid {
    grid-template-columns: 1fr;
  }
  .download-features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 移动端专属极致人机工效与响应式重构 (Mobile PM Spec) */
@media (max-width: 900px) {
  /* 1. 彻底解决桌面导航未隐藏导致的单字竖排错位 */
  .header .desktop-nav,
  .desktop-nav {
    display: none !important;
  }
  .mega-menu {
    display: none !important;
  }

  /* 2. 移动端精致顶栏布局 (64px 高度，垂直居中对齐) */
  .header {
    min-height: 64px !important;
    height: 64px !important;
    padding: 10px 18px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 12px !important;
  }
  .header .brand {
    display: flex !important;
    align-items: center !important;
  }
  .header .brand img {
    width: 120px !important;
    height: auto !important;
  }
  .header .nav-actions {
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
  }
  .header .nav-actions .button,
  .header .nav-actions .text-button {
    display: none !important;
  }
  .header .account-trigger {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 38px !important;
    height: 38px !important;
    padding: 0 !important;
    font-size: 0 !important;
    border-radius: 50% !important;
    background: rgba(33, 76, 67, 0.08) !important;
    color: var(--green) !important;
  }
  .header .account-trigger > span {
    font-size: 20px !important;
  }

  /* 3. 现代触控汉堡菜单按钮 (44px HIG 拇指规范) */
  #menu-toggle {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 44px !important;
    height: 44px !important;
    font-size: 22px !important;
    border-radius: 10px !important;
    background: rgba(255, 255, 255, 0.92) !important;
    border: 1px solid rgba(22, 48, 36, 0.14) !important;
    color: #1a3930 !important;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06) !important;
    cursor: pointer !important;
    padding: 0 !important;
    transition: transform 0.15s ease, background 0.15s ease !important;
  }
  #menu-toggle:active {
    transform: scale(0.94) !important;
    background: #edf1ea !important;
  }

  /* 4. 全屏沉浸式移动导航抽屉 (Drawer) */
  #mobile-nav {
    position: fixed !important;
    top: 64px !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    background: rgba(248, 250, 247, 0.98) !important;
    backdrop-filter: blur(24px) !important;
    -webkit-backdrop-filter: blur(24px) !important;
    padding: 20px 18px calc(30px + env(safe-area-inset-bottom)) !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 10px !important;
    z-index: 9999 !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12) !important;
  }
  #mobile-nav[hidden] {
    display: none !important;
  }
  #mobile-nav a,
  #mobile-nav button {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    font-size: 15px !important;
    font-weight: 600 !important;
    color: #1a382f !important;
    padding: 13px 16px !important;
    border-radius: 12px !important;
    background: #ffffff !important;
    border: 1px solid rgba(22, 48, 36, 0.08) !important;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02) !important;
    text-decoration: none !important;
    min-height: 48px !important;
    box-sizing: border-box !important;
    text-align: left !important;
  }
  #mobile-nav a::after {
    content: '›' !important;
    font-size: 20px !important;
    color: #7b9487 !important;
    font-weight: 300 !important;
  }
  #mobile-nav a.mobile-cta {
    background: #10c96d !important;
    color: #ffffff !important;
    border-color: #10c96d !important;
    font-size: 15px !important;
    justify-content: center !important;
    margin-top: 6px !important;
    box-shadow: 0 4px 14px rgba(16, 201, 109, 0.28) !important;
  }
  #mobile-nav a.mobile-cta::after {
    display: none !important;
  }
  #mobile-nav button.replay {
    font-size: 13px !important;
    color: #556b60 !important;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    justify-content: center !important;
    margin-top: 2px !important;
  }

  /* 5. 车工坊移动端车型横向滑动药丸条 (Horizontal Swipe Chips) */
  .vehicle-tabs {
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    scrollbar-width: none !important;
    padding-bottom: 8px !important;
    margin-right: -18px !important;
    padding-right: 18px !important;
  }
  .vehicle-tabs::-webkit-scrollbar {
    display: none !important;
  }
  .vehicle-tab {
    flex-shrink: 0 !important;
    white-space: nowrap !important;
    padding: 9px 16px !important;
    font-size: 12px !important;
    min-height: 38px !important;
  }

  /* 首页品牌筛选胶囊横向滑动 */
  .filters {
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    scrollbar-width: none !important;
    padding-bottom: 6px !important;
    margin-right: -18px !important;
    padding-right: 18px !important;
  }
  .filters::-webkit-scrollbar {
    display: none !important;
  }
  .filter {
    flex-shrink: 0 !important;
    white-space: nowrap !important;
  }

  /* 6. 车工坊网格卡片在手机端单列排布 */
  .workshop-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }
  .workshop-hero-card {
    grid-template-columns: 1fr !important;
    padding: 24px 18px !important;
  }
  .workshop-hero-title {
    font-size: 28px !important;
  }
  .workshop-hero-stats {
    flex-direction: row !important;
    border-left: none !important;
    border-top: 1px solid rgba(255, 255, 255, 0.15) !important;
    padding-left: 0 !important;
    padding-top: 18px !important;
    justify-content: space-around !important;
  }
  .workshop-stat strong {
    font-size: 24px !important;
  }

  /* 7. 下载中心移动端适配 */
  .download-hero-grid {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }
  .download-features-grid {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }
  .guidelines-grid,
  .workflow-steps {
    grid-template-columns: 1fr !important;
  }
  .mockup-window-body {
    grid-template-columns: 1fr !important;
    height: auto !important;
  }
  .mockup-sidebar {
    height: auto !important;
  }
  .download-actions {
    flex-direction: column !important;
    gap: 10px !important;
  }
  .btn-download-primary,
  .btn-download-secondary {
    width: 100% !important;
    justify-content: center !important;
    box-sizing: border-box !important;
  }

  /* ========================================================
     8. 首页 04 / 体验定制流程专区 (Section #app) 移动端重构
     ======================================================== */
  .app-section {
    padding: 44px 0 !important;
    background: #e2e6d7 !important;
  }
  .app-inner {
    display: flex !important;
    flex-direction: column !important;
    gap: 24px !important;
    align-items: stretch !important;
  }
  .app-copy {
    text-align: left !important;
  }
  .app-copy .eyebrow {
    font-size: 9px !important;
    letter-spacing: 1.2px !important;
    color: #556b5d !important;
    margin-bottom: 8px !important;
  }
  .app-copy h2 {
    font-size: clamp(28px, 7vw, 36px) !important;
    line-height: 1.3 !important;
    color: #163024 !important;
    margin-bottom: 12px !important;
    letter-spacing: -0.5px !important;
  }
  .app-copy > p:not(.eyebrow):not(.app-note) {
    font-size: 13px !important;
    line-height: 1.7 !important;
    color: #516457 !important;
    margin-bottom: 18px !important;
  }
  /* 4 大定制流程步骤改造为轻量微卡片流 */
  .app-feature-list {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 8px !important;
    margin: 0 0 20px !important;
    padding: 0 !important;
    list-style: none !important;
  }
  .app-feature-list li {
    background: rgba(255, 255, 255, 0.75) !important;
    backdrop-filter: blur(8px) !important;
    -webkit-backdrop-filter: blur(8px) !important;
    border: 1px solid rgba(22, 48, 36, 0.08) !important;
    border-radius: 10px !important;
    padding: 10px 12px !important;
    font-size: 11px !important;
    font-weight: 500 !important;
    color: #1a3629 !important;
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
    border-top: 1px solid rgba(22, 48, 36, 0.08) !important;
  }
  .app-feature-list li > span {
    font-family: Georgia, serif !important;
    font-style: italic !important;
    font-size: 12px !important;
    font-weight: 700 !important;
    color: #1b6d43 !important;
    margin-right: 2px !important;
  }
  /* 主 CTA：体验定制流程 按钮触控强化 */
  .app-copy .button.open-studio {
    width: 100% !important;
    min-height: 50px !important;
    padding: 14px 20px !important;
    font-size: 15px !important;
    font-weight: 600 !important;
    border-radius: 26px !important;
    background: #163024 !important;
    color: #ffffff !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 8px !important;
    box-shadow: 0 8px 24px rgba(22, 48, 36, 0.28) !important;
    border: none !important;
    cursor: pointer !important;
    transition: transform 0.2s, background-color 0.2s !important;
    box-sizing: border-box !important;
  }
  .app-copy .button.open-studio:active {
    transform: scale(0.98) !important;
  }
  .app-copy .app-note {
    font-size: 10px !important;
    color: #68796d !important;
    text-align: center !important;
    margin-top: 10px !important;
    margin-bottom: 0 !important;
  }
  /* 移动端展示卡片：纠正桌面倾斜，作为精致紧凑的交互预览卡片呈现 */
  .phone-scene {
    padding: 0 !important;
    text-align: center !important;
    margin: 4px auto 0 !important;
    width: 100% !important;
    max-width: 320px !important;
  }
  .phone {
    transform: none !important;
    width: 100% !important;
    max-width: 300px !important;
    min-height: auto !important;
    margin: 0 auto !important;
    background: #fbfbf6 !important;
    border: 5px solid #284438 !important;
    border-radius: 32px !important;
    box-shadow: 0 16px 40px rgba(22, 48, 36, 0.12) !important;
    padding: 24px 16px 18px !important;
    box-sizing: border-box !important;
    text-align: left !important;
  }
  .phone-island {
    top: 8px !important;
    width: 64px !important;
    height: 12px !important;
    background: #284438 !important;
  }
  .phone-brand img {
    width: 76px !important;
    height: 24px !important;
  }
  .phone-title {
    font-size: 16px !important;
    margin: 12px 0 0 !important;
    color: #163024 !important;
  }
  .phone #phone-badge {
    height: 160px !important;
    margin-top: 12px !important;
    border-radius: 10px !important;
  }
  .phone-color-row {
    padding: 12px 0 !important;
  }
  .phone-mini-card {
    padding: 10px 0 !important;
  }
  .phone > button {
    min-height: 44px !important;
    font-size: 13px !important;
    font-weight: 600 !important;
    border-radius: 8px !important;
    margin-top: 6px !important;
  }
  .phone-home {
    margin: 14px auto 0 !important;
  }
  .phone-caption {
    position: static !important;
    display: block !important;
    font-size: 8px !important;
    color: #7d8c70 !important;
    letter-spacing: 1.5px !important;
    margin-top: 10px !important;
  }

  /* ========================================================
     9. 首页 05 / 步骤定制流程 (Section #process) 移动端重构
     ======================================================== */
  .badge-process {
    padding-top: 40px !important;
    padding-bottom: 50px !important;
  }
  .process-intro .eyebrow {
    font-size: 9px !important;
    color: #556b5d !important;
  }
  .process-intro h2 {
    font-size: clamp(26px, 6.5vw, 34px) !important;
    line-height: 1.35 !important;
    margin-bottom: 12px !important;
  }
  .process-intro p:not(.eyebrow) {
    font-size: 13px !important;
    line-height: 1.7 !important;
    color: #516457 !important;
    margin-bottom: 16px !important;
  }
  .process-intro .quiet-link {
    font-size: 12px !important;
    font-weight: 600 !important;
    margin-bottom: 24px !important;
    display: inline-flex !important;
  }
  .steps {
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
  }
  .steps article {
    background: #f7faf4 !important;
    border: 1px solid rgba(22, 48, 36, 0.08) !important;
    border-radius: 14px !important;
    padding: 18px 16px !important;
    gap: 14px !important;
    align-items: flex-start !important;
    border-top: 1px solid rgba(22, 48, 36, 0.08) !important;
    margin: 0 !important;
  }
  .step-number {
    width: 34px !important;
    height: 34px !important;
    border-radius: 50% !important;
    background: #163024 !important;
    color: #ffffff !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 13px !important;
    font-weight: 700 !important;
    font-family: var(--font-sans, sans-serif) !important;
    flex-shrink: 0 !important;
  }
  .step-en {
    font-size: 8px !important;
    letter-spacing: 1px !important;
    color: #6a7c70 !important;
    margin-bottom: 4px !important;
    display: block !important;
  }
  .steps h3 {
    font-size: 17px !important;
    font-weight: 600 !important;
    color: #163024 !important;
    margin: 0 0 6px !important;
  }
  .steps p {
    font-size: 12px !important;
    line-height: 1.6 !important;
    color: #556b5d !important;
    margin: 0 !important;
  }
  .step-art {
    font-size: 24px !important;
    color: #244f40 !important;
    opacity: 0.3 !important;
    margin-left: auto !important;
    align-self: center !important;
  }

  /* ========================================================
     10. 车标定制工作台 (#studio) 移动端全屏所见即所得与吸底操作
     ======================================================== */
  #studio.studio-modal-redesign:not([open]):not(.studio-modal-active) {
    display: none !important;
  }
  #studio.studio-modal-redesign[open],
  #studio.studio-modal-redesign.studio-modal-active {
    width: 100vw !important;
    max-width: 100vw !important;
    height: 100dvh !important;
    max-height: 100dvh !important;
    padding: 0 !important;
    margin: 0 !important;
    border-radius: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden !important;
    inset: 0 !important;
    background: #f7f9f5 !important;
    position: fixed !important;
    z-index: 99999 !important;
  }
  .studio-header {
    flex-shrink: 0 !important;
    padding: 10px 16px !important;
    background: #ffffff !important;
    border-bottom: 1px solid rgba(22, 48, 36, 0.1) !important;
    margin-bottom: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    z-index: 10 !important;
  }
  .studio-header-titles .eyebrow {
    font-size: 8px !important;
    margin-bottom: 2px !important;
  }
  .studio-header-sub {
    font-size: 10px !important;
    color: #526759 !important;
  }
  .studio-header .icon-button {
    width: 40px !important;
    height: 40px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 20px !important;
    border-radius: 50% !important;
    background: #edf1ea !important;
    color: #163024 !important;
    padding: 0 !important;
    border: none !important;
    cursor: pointer !important;
  }
  .studio-layout {
    display: flex !important;
    flex-direction: column !important;
    flex: 1 !important;
    width: 100% !important;
    max-width: 100% !important;
    align-items: stretch !important;
    overflow: hidden !important;
    gap: 0 !important;
  }
  /* 移动端吸顶视觉舞台：宽度 100% 满屏无白边，高度 230px 锁定 */
  .studio-visual-stage {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    flex-shrink: 0 !important;
    position: relative !important;
    border-radius: 0 !important;
    border: none !important;
    border-bottom: 1px solid rgba(22, 48, 36, 0.12) !important;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.04) !important;
    z-index: 5 !important;
    background: #e3e8dc !important;
  }
  .studio-view-tabs {
    width: 100% !important;
    box-sizing: border-box !important;
    flex-shrink: 0 !important;
    padding: 5px 12px !important;
    background: #eef2ea !important;
    gap: 6px !important;
    display: flex !important;
  }
  .studio-view-tab {
    flex: 1 !important;
    text-align: center !important;
    padding: 7px 8px !important;
    font-size: 11px !important;
    font-weight: 600 !important;
    border-radius: 6px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 6px !important;
  }
  #studio-car-container, #studio-workbench-container {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    height: 230px !important;
    min-height: 230px !important;
    position: relative !important;
  }
  #studio-car-viewport {
    width: 100% !important;
    height: 100% !important;
    position: relative !important;
  }
  #studio-car-viewport canvas {
    width: 100% !important;
    height: 100% !important;
    display: block !important;
  }
  .studio-car-hud-top {
    top: 8px !important;
    left: 8px !important;
    right: 8px !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
  }
  .studio-car-tag {
    font-size: 9px !important;
    padding: 3px 8px !important;
  }
  .studio-car-cam-group {
    padding: 2px 4px !important;
    gap: 2px !important;
  }
  .studio-cam-btn {
    font-size: 9px !important;
    padding: 3px 7px !important;
  }
  .studio-sync-bar {
    padding: 6px 12px !important;
    font-size: 10px !important;
    background: rgba(255, 255, 255, 0.88) !important;
    backdrop-filter: blur(6px) !important;
  }
  /* 视图切换：仅显示当前激活面板，彻底杜绝重叠 */
  .studio-stage-panel:not(.active) {
    display: none !important;
  }
  #studio-car-container.studio-stage-panel.active {
    display: block !important;
  }
  #studio-workbench-container.studio-stage-panel.active {
    padding: 12px !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
  }
  .workbench-canvas-wrap {
    width: 100% !important;
    max-width: 190px !important;
    height: 150px !important;
    border-radius: 10px !important;
  }
  .workbench-quick-align {
    gap: 4px !important;
    margin-top: 6px !important;
    flex-wrap: wrap !important;
    justify-content: center !important;
  }
  .workbench-quick-align .tool-btn {
    font-size: 10px !important;
    padding: 5px 8px !important;
    min-height: 30px !important;
  }
  /* 移动端参数调节面板：在舞台下方平滑纵向滚动，底部预留悬浮工具栏空间 */
  .studio-controls {
    flex: 1 !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    padding: 14px 16px calc(80px + env(safe-area-inset-bottom)) !important;
  }
  .studio-controls h2 {
    font-size: 22px !important;
    margin-bottom: 12px !important;
  }
  .brand-pill-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px !important;
  }
  .brand-pill {
    padding: 8px 10px !important;
    min-height: 48px !important;
  }
  .brand-pill-title {
    font-size: 12px !important;
  }
  .brand-pill-sub {
    font-size: 9px !important;
  }
  .artwork-type-tabs {
    gap: 8px !important;
  }
  .art-type-btn {
    padding: 10px !important;
    font-size: 12px !important;
    min-height: 42px !important;
  }
  .custom-file-drop {
    padding: 14px 10px !important;
  }
  .transform-controls-grid {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
    padding: 10px !important;
  }
  .range-field input[type="range"] {
    height: 32px !important;
  }
  .custom-grid {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }
  /* 移动端常驻底部快捷提交栏 (Sticky Bottom Action Bar) */
  .cloud-design-actions {
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    z-index: 100 !important;
    background: rgba(247, 249, 245, 0.96) !important;
    backdrop-filter: blur(16px) !important;
    -webkit-backdrop-filter: blur(16px) !important;
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom)) !important;
    box-shadow: 0 -4px 18px rgba(0, 0, 0, 0.08) !important;
    border-top: 1px solid rgba(22, 48, 36, 0.12) !important;
    display: flex !important;
    gap: 10px !important;
    margin: 0 !important;
  }
  #cloud-save-design {
    flex: 1 !important;
    min-height: 44px !important;
    font-size: 13px !important;
    padding: 10px 12px !important;
    border: 1px solid #163024 !important;
    border-radius: 8px !important;
    background: #ffffff !important;
    color: #163024 !important;
    font-weight: 500 !important;
  }
  #cloud-book-design {
    flex: 1.3 !important;
    min-height: 44px !important;
    font-size: 13px !important;
    padding: 10px 12px !important;
    border: none !important;
    border-radius: 8px !important;
    background: #1b6d43 !important;
    color: #ffffff !important;
    font-weight: 600 !important;
    box-shadow: 0 4px 12px rgba(27, 109, 67, 0.28) !important;
  }
  .custom-downloads {
    display: flex !important;
    gap: 8px !important;
    margin-top: 14px !important;
    margin-bottom: 20px !important;
  }
  .custom-downloads .button,
  .custom-downloads .outline-button {
    flex: 1 !important;
    min-height: 40px !important;
    font-size: 11px !important;
    padding: 8px !important;
  }
}