/**
 * Voitrans 视觉增强样式
 * 在 Webflow 生成样式基础上叠加，提升视觉品质
 */

/* ========================================
   Google Fonts 导入 - 高品质字体
   ======================================== */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Noto+Sans+SC:wght@400;500;600;700;900&display=swap');

/* ========================================
   CSS 自定义属性 - 增强版调色板
   ======================================== */
:root {
  /* 品牌色渐变系统 */
  --v-blue-50: #eef6ff;
  --v-blue-100: #d9ecff;
  --v-blue-200: #b3d9ff;
  --v-blue-400: #4dabff;
  --v-blue-500: #1a98ff;
  --v-blue-600: #0d7ee6;
  --v-blue-700: #0a64b8;
  --v-blue-900: #042b52;

  /* 辅助色 */
  --v-violet: #7c3aed;
  --v-cyan: #06b6d4;
  --v-emerald: #10b981;
  --v-amber: #f59e0b;

  /* 中性色 */
  --v-gray-50: #f8fafc;
  --v-gray-100: #f1f5f9;
  --v-gray-200: #e2e8f0;
  --v-gray-300: #cbd5e1;
  --v-gray-400: #94a3b8;
  --v-gray-500: #64748b;
  --v-gray-600: #475569;
  --v-gray-700: #334155;
  --v-gray-800: #1e293b;
  --v-gray-900: #0f172a;

  /* 玻璃效果 */
  --v-glass-bg: rgba(255, 255, 255, 0.72);
  --v-glass-border: rgba(255, 255, 255, 0.3);
  --v-glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);

  /* 字体 */
  --v-font-display: 'Plus Jakarta Sans', 'Noto Sans SC', -apple-system, sans-serif;
  --v-font-body: 'Plus Jakarta Sans', 'Noto Sans SC', -apple-system, sans-serif;

  /* 动画 */
  --v-ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --v-ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* 圆角 */
  --v-radius-sm: 8px;
  --v-radius-md: 12px;
  --v-radius-lg: 20px;
  --v-radius-xl: 28px;
}

/* ========================================
   全局基础增强
   ======================================== */
html {
  scroll-behavior: smooth;
}

body.body-4 {
  font-family: var(--v-font-body);
  color: var(--v-gray-800);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* 选中文字颜色 */
::selection {
  background: var(--v-blue-200);
  color: var(--v-blue-900);
}

/* ========================================
   导航栏 - 玻璃拟态升级
   ======================================== */
.navigation-bar.w-nav {
  background: var(--v-glass-bg) !important;
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--v-glass-border);
  box-shadow: var(--v-glass-shadow);
  transition: all 0.4s var(--v-ease-out);
}

.navigation-bar.w-nav.scrolled {
  background: rgba(255, 255, 255, 0.92) !important;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

/* Logo 增强 */
.logo-image {
  border-radius: 14px;
  box-shadow: 0 2px 12px rgba(26, 152, 255, 0.15);
  transition: transform 0.3s var(--v-ease-spring);
}

.navigation-bar---logo-container:hover .logo-image {
  transform: scale(1.05) rotate(-2deg);
}

.logo-text {
  font-family: var(--v-font-display) !important;
  font-weight: 800 !important;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--v-blue-500) 0%, var(--v-violet) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 导航链接增强 */
.navigation-bar---link.w-nav-link {
  font-family: var(--v-font-body) !important;
  font-weight: 600;
  font-size: 15px;
  color: var(--v-gray-700);
  border-radius: var(--v-radius-sm);
  transition: all 0.25s var(--v-ease-out);
  position: relative;
}

.navigation-bar---link.w-nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--v-blue-500), var(--v-violet));
  border-radius: 1px;
  transition: all 0.3s var(--v-ease-out);
  transform: translateX(-50%);
}

.navigation-bar---link.w-nav-link:hover::after,
.navigation-bar---link.w-nav-link.active::after {
  width: 60%;
}

.navigation-bar---link.w-nav-link:hover {
  color: var(--v-blue-600);
  background-color: var(--v-blue-50);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(26, 152, 255, 0.1);
}

.navigation-bar---link.w-nav-link.active {
  color: var(--v-blue-600) !important;
  background-color: var(--v-blue-50) !important;
}

/* ========================================
   Hero 区域增强
   ======================================== */
.home---hero {
  position: relative;
  overflow: hidden;
}

/* 背景装饰光晕 */
.home---hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -15%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(26, 152, 255, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: heroGlow 8s ease-in-out infinite alternate;
}

.home---hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: heroGlow 10s ease-in-out infinite alternate-reverse;
}

@keyframes heroGlow {
  0% { transform: scale(1) translate(0, 0); opacity: 0.5; }
  100% { transform: scale(1.15) translate(20px, -20px); opacity: 1; }
}

/* 手机 Mockup 增强 */
.mockup---video-device {
  transition: transform 0.6s var(--v-ease-out);
}

.mockup---video-device:hover {
  transform: scale(1.02) translateY(-4px);
}

/* 标题增强 */
h1.page-title {
  font-family: var(--v-font-display) !important;
  font-weight: 800 !important;
  letter-spacing: -1px;
  line-height: 1.1 !important;
  background: linear-gradient(135deg, var(--v-gray-900) 30%, var(--v-blue-600) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 评论滑动器增强 */
.rating---slide-container {
  padding: 16px 24px !important;
}

.rating---quote {
  font-family: var(--v-font-body) !important;
  font-weight: 500;
  font-style: italic;
  color: var(--v-gray-700);
}

/* 应用商店徽章增强 */
.app-store-badge-container {
  transition: all 0.3s var(--v-ease-spring) !important;
  border-radius: var(--v-radius-sm);
}

.app-store-badge-container:hover {
  transform: translateY(-3px) scale(1.03) !important;
  filter: brightness(1.05);
}

/* ========================================
   Vision 区域增强
   ======================================== */
.home---vision {
  position: relative;
  overflow: hidden;
}

.home---vision::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(26, 152, 255, 0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(124, 58, 237, 0.04) 0%, transparent 50%);
  pointer-events: none;
}

.vision---heading {
  font-family: var(--v-font-display) !important;
  font-weight: 900 !important;
  letter-spacing: -1.5px;
  line-height: 1.15 !important;
}

.home---vision---description {
  font-family: var(--v-font-body) !important;
  font-size: 18px !important;
  line-height: 1.7 !important;
  color: var(--v-gray-500) !important;
  max-width: 640px;
}

/* ========================================
   主要功能区域增强
   ======================================== */
.home---main-features {
  position: relative;
}

.home---main-feature-container {
  position: relative;
}

/* 功能描述区域 */
.home---main-feature---description h2 {
  font-family: var(--v-font-display) !important;
  font-weight: 800 !important;
  letter-spacing: -0.5px;
  line-height: 1.15 !important;
}

.home---main-feature---description .description {
  font-family: var(--v-font-body) !important;
  line-height: 1.75 !important;
  color: var(--v-gray-500) !important;
}

/* 功能图标增强 */
.main-feature---icon {
  transition: transform 0.5s var(--v-ease-spring);
}

.home---main-feature-container:hover .main-feature---icon {
  transform: scale(1.08) rotate(3deg);
}

/* Mockup 图片增强 */
.feature-mockup---device-bottom img,
.feature-mockup---device-top img {
  transition: transform 0.6s var(--v-ease-out);
}

.home---main-feature-container:hover .feature-mockup---device-bottom img,
.home---main-feature-container:hover .feature-mockup---device-top img {
  transform: scale(1.03) translateY(-4px);
}

/* ========================================
   功能概览网格增强
   ======================================== */
.home---features-overview {
  position: relative;
}

.background-color---dark-gray {
  background: linear-gradient(135deg, var(--v-gray-900) 0%, #1a2744 50%, var(--v-gray-800) 100%) !important;
  position: relative;
  overflow: hidden;
}

/* 深色区域网格纹理 */
.background-color---dark-gray::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(rgba(26, 152, 255, 0.07) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

/* 功能网格区域标题 */
.home---features-overview---heading h2 {
  font-family: var(--v-font-display) !important;
  font-weight: 800 !important;
  letter-spacing: -0.5px;
}

/* 功能卡片增强 */
.home---features-overview---feature-item {
  border-radius: var(--v-radius-lg) !important;
  transition: all 0.4s var(--v-ease-out) !important;
  position: relative;
  overflow: hidden;
}

.home---features-overview---feature-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(26, 152, 255, 0.08) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.4s var(--v-ease-out);
  pointer-events: none;
  border-radius: inherit;
}

.home---features-overview---feature-item:hover {
  transform: translateY(-6px) !important;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2) !important;
}

.home---features-overview---feature-item:hover::before {
  opacity: 1;
}

/* 功能图标动画 */
.home---features-overview---feature-icon {
  transition: transform 0.4s var(--v-ease-spring);
}

.home---features-overview---feature-item:hover .home---features-overview---feature-icon {
  transform: scale(1.12) translateY(-2px);
}

/* 功能名称和描述 */
.home---features-overview---feature-name {
  font-family: var(--v-font-display) !important;
  font-weight: 700 !important;
}

.home---features-overview---feature-description {
  font-family: var(--v-font-body) !important;
  line-height: 1.6 !important;
}

/* ========================================
   语言支持区域增强
   ======================================== */
.home---languages {
  position: relative;
}

.home---languages---description h2 {
  font-family: var(--v-font-display) !important;
  font-weight: 800 !important;
  letter-spacing: -0.5px;
}

.home---languages---description .description {
  font-family: var(--v-font-body) !important;
  line-height: 1.75 !important;
  color: var(--v-gray-500) !important;
}

/* ========================================
   产品区域增强
   ======================================== */
.home---products {
  position: relative;
  overflow: hidden;
}

.home---products---description h2 {
  font-family: var(--v-font-display) !important;
  font-weight: 800 !important;
  letter-spacing: -0.5px;
}

.home---products---description .description {
  font-family: var(--v-font-body) !important;
  line-height: 1.75 !important;
  color: var(--v-gray-500) !important;
}

/* 产品链接增强 */
.link---blue {
  font-family: var(--v-font-body) !important;
  font-weight: 600;
  position: relative;
  transition: all 0.25s var(--v-ease-out);
  padding: 4px 0;
}

.link---blue::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--v-blue-500), var(--v-cyan));
  transition: width 0.3s var(--v-ease-out);
  border-radius: 1px;
}

.link---blue:hover::after {
  width: 100%;
}

.link---blue:hover {
  color: var(--v-blue-600) !important;
  transform: translateX(4px);
}

/* ========================================
   Footer 增强
   ======================================== */
.section---footer {
  position: relative;
  overflow: hidden;
}

.section---footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--v-blue-200), var(--v-violet), var(--v-blue-200), transparent);
}

.section---footer h2 {
  font-family: var(--v-font-display) !important;
  font-weight: 800 !important;
  letter-spacing: -0.5px;
}

.text-span.has-highlight-color-blue strong {
  background: linear-gradient(135deg, var(--v-blue-500), var(--v-violet)) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
}

.footer---link-column h4 {
  font-family: var(--v-font-display) !important;
  font-weight: 700 !important;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 12px !important;
  color: var(--v-gray-400) !important;
}

.footer---link {
  font-family: var(--v-font-body) !important;
  color: var(--v-gray-600) !important;
  transition: color 0.2s ease;
}

/* ========================================
   语言切换器增强
   ======================================== */
.lang-switcher {
  gap: 6px !important;
}

.lang-btn {
  font-family: var(--v-font-body) !important;
  font-weight: 600 !important;
  font-size: 13px !important;
  border-radius: 8px !important;
  border: 1.5px solid var(--v-gray-200) !important;
  color: var(--v-gray-500) !important;
  background: var(--v-gray-50) !important;
  transition: all 0.25s var(--v-ease-out) !important;
  padding: 5px 12px !important;
  height: 34px !important;
}

.lang-btn:hover {
  border-color: var(--v-blue-400) !important;
  color: var(--v-blue-600) !important;
  background: var(--v-blue-50) !important;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(26, 152, 255, 0.12);
}

.lang-btn.active {
  background: linear-gradient(135deg, var(--v-blue-500), var(--v-blue-600)) !important;
  border-color: transparent !important;
  color: #fff !important;
  box-shadow: 0 2px 10px rgba(26, 152, 255, 0.3) !important;
}

.lang-btn.active:hover {
  background: linear-gradient(135deg, var(--v-blue-600), var(--v-blue-700)) !important;
  box-shadow: 0 4px 14px rgba(26, 152, 255, 0.4) !important;
  transform: translateY(-1px);
}

/* ========================================
   滚动出现动画
   ======================================== */
.v-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--v-ease-out), transform 0.7s var(--v-ease-out);
}

.v-reveal.v-visible {
  opacity: 1;
  transform: translateY(0);
}

.v-reveal-delay-1 { transition-delay: 0.1s; }
.v-reveal-delay-2 { transition-delay: 0.2s; }
.v-reveal-delay-3 { transition-delay: 0.3s; }

/* ========================================
   滚动条美化
   ======================================== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--v-gray-100);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--v-blue-400), var(--v-blue-600));
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--v-blue-500), var(--v-blue-700));
}

/* ========================================
   移动端适配
   ======================================== */
@media screen and (max-width: 991px) {
  .home---hero::before,
  .home---hero::after {
    width: 300px;
    height: 300px;
  }

  .lang-btn {
    padding: 4px 10px !important;
    font-size: 12px !important;
    height: 30px !important;
  }
}

@media screen and (max-width: 479px) {
  h1.page-title {
    letter-spacing: -0.5px;
  }

  .home---features-overview---feature-item:hover {
    transform: translateY(-3px) !important;
  }

  .background-color---dark-gray::before {
    background-size: 24px 24px;
  }
}

/* ========================================
   减弱动画偏好
   ======================================== */
@media (prefers-reduced-motion: reduce) {
  .v-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .home---hero::before,
  .home---hero::after {
    animation: none;
  }

  .mockup---video-device:hover,
  .home---main-feature-container:hover .main-feature---icon,
  .home---main-feature-container:hover .feature-mockup---device-bottom img {
    transform: none;
  }
}

/* ========================================
   只保留电脑端 hero（移动端 hero 已移除）
   在所有屏幕尺寸下都显示 PC 版 hero
   ======================================== */
.home---hero {
  display: block !important;
}