/* ========================================================
   随便云 (suibiany.homes) - 品牌官网与客户端知识库样式表
   主题视觉：星际极速列车 (Star Express)
   设计规范：响应式、移动优先、无横向溢出、无障碍合规、渐进增强
   ======================================================== */

:root {
  --color-bg-base: #060913;
  --color-bg-surface: #0c1222;
  --color-bg-card: rgba(15, 23, 42, 0.78);
  --color-bg-card-hover: rgba(23, 37, 68, 0.88);
  --color-border: rgba(56, 189, 248, 0.18);
  --color-border-glow: rgba(56, 189, 248, 0.45);
  
  --color-primary: #38bdf8;
  --color-primary-dark: #0284c7;
  --color-secondary: #818cf8;
  --color-cyan-glow: #22d3ee;
  --color-accent-amber: #f59e0b;
  --color-success: #10b981;
  
  --color-text-main: #f8fafc;
  --color-text-muted: #94a3b8;
  --color-text-dim: #64748b;
  
  --font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-family-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  
  --max-width: 1200px;
  --header-height: 72px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --transition-smooth: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 基础重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family-base);
  background-color: var(--color-bg-base);
  color: var(--color-text-main);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(56, 189, 248, 0.12) 0%, transparent 60%),
    radial-gradient(circle at 10% 40%, rgba(129, 140, 248, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 90% 80%, rgba(34, 211, 238, 0.06) 0%, transparent 50%);
  background-attachment: fixed;
}

/* 链接无障碍状态 */
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition-smooth);
}
a:hover {
  color: #7dd3fc;
  text-decoration: underline;
}
a:focus-visible {
  outline: 2px solid var(--color-cyan-glow);
  outline-offset: 3px;
  border-radius: 4px;
}

/* 顶部导航栏 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(6, 9, 19, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  height: 100%;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.5px;
}
.brand-logo:hover {
  text-decoration: none;
}
.brand-train-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 14px rgba(56, 189, 248, 0.4);
}
.brand-train-icon svg {
  width: 20px;
  height: 20px;
  fill: #ffffff;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav-link {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 8px 4px;
  position: relative;
}
.nav-link:hover, .nav-link.active {
  color: #ffffff;
  text-decoration: none;
}
.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--color-primary);
}

/* 按钮规范：符合 >= 44px 触控要求 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  font-size: 0.98rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-smooth);
  text-align: center;
  white-space: nowrap;
}
.btn:hover {
  text-decoration: none;
  transform: translateY(-2px);
}
.btn:focus-visible {
  outline: 2px solid var(--color-cyan-glow);
  outline-offset: 3px;
}

.btn-primary {
  background: linear-gradient(135deg, #0284c7 0%, #2563eb 100%);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(37, 99, 235, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.15);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #0369a1 0%, #1d4ed8 100%);
  box-shadow: 0 6px 24px rgba(37, 99, 235, 0.65);
  color: #ffffff;
}

.btn-outline {
  background: rgba(15, 23, 42, 0.6);
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
}
.btn-outline:hover {
  background: rgba(30, 41, 59, 0.8);
  border-color: var(--color-primary);
  color: #ffffff;
}

/* 主内容容器 */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ========================================================
   星际极速列车 (Star Express) Hero 视觉模块
   ======================================================== */
.star-express-hero {
  position: relative;
  padding: 80px 0 60px;
  overflow: hidden;
}

.hero-rail-track {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.45;
}

/* 缓慢延伸的光轨 */
.track-line {
  position: absolute;
  left: -20%;
  width: 140%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.8) 50%, transparent);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.6);
}
.track-1 { top: 25%; animation: railFlow 16s linear infinite; }
.track-2 { top: 50%; animation: railFlow 22s linear infinite reverse; }
.track-3 { top: 75%; animation: railFlow 18s linear infinite; }

@keyframes railFlow {
  0% { transform: translateX(-15%); }
  50% { transform: translateX(15%); }
  100% { transform: translateX(-15%); }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 6px 16px;
  border-radius: 9999px;
  font-size: 0.88rem;
  color: var(--color-primary);
  margin-bottom: 24px;
}
.hero-badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-cyan-glow);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-cyan-glow);
}

.hero-title {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #ffffff 40%, #93c5fd 80%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

/* 视觉流线列车图解 (SVG/CSS 组合) */
.hero-train-visual {
  position: relative;
  margin-top: 20px;
  padding: 24px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}
.train-graphic-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.train-node-card {
  flex: 1 1 200px;
  background: rgba(12, 18, 34, 0.85);
  border: 1px solid rgba(56, 189, 248, 0.15);
  padding: 16px;
  border-radius: var(--radius-md);
  text-align: left;
}
.train-node-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}
.train-node-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* 节区通用样式 */
.section {
  padding: 72px 0;
  position: relative;
}
.section-alt {
  background: rgba(12, 18, 34, 0.4);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 48px;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
}

/* 系统选择卡片网格 */
.os-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.os-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.os-card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(56, 189, 248, 0.15);
}
.os-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.os-icon {
  width: 44px;
  height: 44px;
  background: rgba(56, 189, 248, 0.12);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}
.os-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: #ffffff;
}
.os-feature-list {
  list-style: none;
  margin-bottom: 20px;
  font-size: 0.92rem;
  color: var(--color-text-muted);
}
.os-feature-list li {
  margin-bottom: 8px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.os-feature-list li::before {
  content: "✓";
  color: var(--color-cyan-glow);
  font-weight: 700;
}

/* 客户端关系说明模块 */
.relation-box {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(30, 41, 59, 0.6));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  margin-bottom: 40px;
}
.relation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}
.relation-item {
  position: relative;
  padding-left: 20px;
  border-left: 3px solid var(--color-primary);
}
.relation-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}
.relation-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* 教程文章列表卡片 */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}
.article-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-smooth);
}
.article-card:hover {
  border-color: var(--color-primary);
  background: var(--color-bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
}
.article-badge {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(129, 140, 248, 0.15);
  border: 1px solid rgba(129, 140, 248, 0.3);
  color: var(--color-secondary);
  border-radius: 4px;
  font-size: 0.8rem;
  margin-bottom: 12px;
}
.article-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
  line-height: 1.45;
}
.article-card-title a {
  color: #ffffff;
}
.article-card-title a:hover {
  color: var(--color-primary);
  text-decoration: none;
}
.article-card-summary {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
  flex-grow: 1;
}
.article-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--color-text-dim);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 14px;
}

/* 套餐卡片网格 */
.plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}
.plan-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
}
.plan-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(56, 189, 248, 0.2);
  border-color: var(--color-border-glow);
}
.plan-card.featured {
  border-color: var(--color-primary);
  background: linear-gradient(180deg, rgba(23, 37, 68, 0.9) 0%, rgba(15, 23, 42, 0.9) 100%);
  box-shadow: 0 0 25px rgba(56, 189, 248, 0.25);
}
.plan-badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 9999px;
  box-shadow: 0 4px 10px rgba(56, 189, 248, 0.4);
}
.plan-name {
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}
.plan-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 20px;
}
.plan-symbol {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
}
.plan-price {
  font-size: 2.8rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1;
}
.plan-cycle {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}
.plan-meta-info {
  background: rgba(6, 9, 19, 0.6);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  font-size: 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
}
.plan-meta-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
}
.plan-meta-row:last-child {
  margin-bottom: 0;
}
.plan-meta-label {
  color: var(--color-text-dim);
}
.plan-meta-val {
  color: var(--color-text-main);
  font-weight: 600;
}
.plan-features {
  list-style: none;
  margin-bottom: 28px;
  flex-grow: 1;
}
.plan-features li {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 10px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.plan-features li::before {
  content: "✔";
  color: var(--color-primary);
  font-size: 0.85rem;
}

/* 真实空态评价展示规范 */
.empty-reviews-card {
  background: var(--color-bg-card);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px 24px;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.empty-reviews-icon {
  width: 54px;
  height: 54px;
  margin: 0 auto 16px;
  background: rgba(56, 189, 248, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}
.empty-reviews-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 10px;
}
.empty-reviews-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* FAQ 手风琴样式（在原生 HTML 中完全可读） */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition-smooth);
}
.faq-item:hover {
  border-color: var(--color-border-glow);
}
.faq-item summary {
  padding: 20px 24px;
  font-size: 1.05rem;
  font-weight: 600;
  color: #ffffff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
  list-style: none;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--color-primary);
  transition: transform 0.25s ease;
}
.faq-item[open] summary::after {
  content: "−";
  transform: rotate(180deg);
}
.faq-answer {
  padding: 0 24px 22px;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  margin-top: -6px;
  padding-top: 16px;
}

/* 表格响应式容器规范 */
.table-container {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 28px 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: rgba(12, 18, 34, 0.6);
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
  min-width: 600px; /* 保证表格在窄屏水平滚动而不挤压文字 */
}
.data-table th, .data-table td {
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.data-table th {
  background: rgba(15, 23, 42, 0.85);
  color: #ffffff;
  font-weight: 600;
  white-space: nowrap;
}
.data-table tr:last-child td {
  border-bottom: none;
}
.data-table tr:hover td {
  background: rgba(56, 189, 248, 0.04);
}

/* 文章正文排版 (Typography) */
.article-header {
  padding: 48px 0 32px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 40px;
}
.article-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 18px;
  color: #ffffff;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.9rem;
  color: var(--color-text-dim);
}
.article-body {
  max-width: 860px;
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 1.85;
  color: #cbd5e1;
}
.article-body h2 {
  font-size: 1.55rem;
  font-weight: 700;
  color: #ffffff;
  margin: 44px 0 18px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(56, 189, 248, 0.2);
}
.article-body h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #f1f5f9;
  margin: 32px 0 14px;
}
.article-body p {
  margin-bottom: 20px;
}
.article-body ul, .article-body ol {
  margin: 0 0 24px 24px;
}
.article-body li {
  margin-bottom: 10px;
}
.article-body code {
  font-family: var(--font-family-mono);
  background: rgba(56, 189, 248, 0.1);
  color: var(--color-primary);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}
.article-body pre {
  background: #050811;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 18px;
  overflow-x: auto;
  margin: 24px 0;
}
.article-body pre code {
  background: none;
  padding: 0;
  color: #e2e8f0;
}

/* 面包屑导航 */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--color-text-dim);
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.breadcrumbs a {
  color: var(--color-text-muted);
}
.breadcrumbs a:hover {
  color: var(--color-primary);
}
.breadcrumbs-sep {
  color: var(--color-text-dim);
}

/* 页脚规范 */
.site-footer {
  background: #04060c;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 60px 0 32px;
  margin-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 36px;
  margin-bottom: 48px;
}
.footer-col-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 16px;
}
.footer-links {
  list-style: none;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}
.footer-links a:hover {
  color: var(--color-primary);
}
.footer-bottom {
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 28px;
  font-size: 0.85rem;
  color: var(--color-text-dim);
}

/* ========================================================
   移动端与无障碍适配 (@media 响应式)
   ======================================================== */
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }
  
  .site-header .main-nav {
    display: none; /* 移动端精简或汉堡展开 */
  }
  .mobile-nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    color: #ffffff;
    cursor: pointer;
  }

  .star-express-hero {
    padding: 48px 0 36px;
  }
  .track-line {
    animation: none; /* 手机端禁用动画，节省性能并防晕眩 */
    opacity: 0.25;
  }
  .hero-train-visual {
    padding: 16px;
  }
  
  .section {
    padding: 48px 0;
  }
  .section-header {
    margin-bottom: 32px;
  }
  
  .plan-card {
    padding: 24px 18px;
  }
  .relation-box {
    padding: 24px 16px;
  }
  .article-header {
    padding: 32px 0 20px;
    margin-bottom: 28px;
  }
  .article-body {
    font-size: 1rem;
    line-height: 1.8;
  }
}

/* 尊重减弱动态效果 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .track-line {
    animation: none !important;
  }
}