/* 
 * Lovart - 设计代理网站样式表
 * 作者: AI助手
 * 版本: 1.0
 * 日期: 2023
 */

/* ===== 基础样式 ===== */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&family=Playfair+Display:wght@400;700&family=Montserrat:wght@300;500;700&display=swap');

:root {
  /* 主色调 */
  --color-primary: #ff3366;
  --color-secondary: #6633ff;
  --color-accent-1: #33ccff;
  --color-accent-2: #ffcc33;
  --color-accent-3: #66cc99;
  
  /* 中性色 */
  --color-dark: #111111;
  --color-light: #ffffff;
  --color-gray: #888888;
  --color-bg: #ffffff;
  --color-text: #111111;
  --color-border: #e0e0e0;
  --color-card-bg: #f9f9f9;
  --color-shadow: rgba(0, 0, 0, 0.1);
  
  /* 字体 */
  --font-primary: 'Poppins', sans-serif;
  --font-display: 'Playfair Display', serif;
  --font-accent: 'Montserrat', sans-serif;
  
  /* 间距 */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;
}

/* 深色模式颜色变量 */
[data-theme="dark"] {
  --color-primary: #ff5c8a;
  --color-secondary: #8866ff;
  --color-accent-1: #66ddff;
  --color-accent-2: #ffdd66;
  --color-accent-3: #88ddbb;
  
  --color-dark: #f0f0f0;
  --color-light: #222222;
  --color-gray: #aaaaaa;
  --color-bg: #121212;
  --color-text: #f0f0f0;
  --color-border: #333333;
  --color-card-bg: #1e1e1e;
  --color-shadow: rgba(0, 0, 0, 0.3);
}

/* 重置样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-primary);
  color: #fff;
  overflow-x: hidden;
  background-color: #111 !important;
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
}

section, .section, .container, .veo-features-section, .veo-video-section, .veo-carousel-section, .veo-twocol-section, .veo-mixcol-section, .veo-desc-section, .veo2-cap-section, .veo2-ref-section, .veo-frame-section, .veo-motion-section, .veo-char-section {
  background: #111 !important;
}

/* ===== 通用组件 ===== */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-lg) 0;
  position: relative;
}

.section-title {
  font-family: var(--font-display);
  font-size: 3.5rem;
  margin-bottom: var(--spacing-md);
  position: relative;
  z-index: 2;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 2px;
  /* 设置橙黄色渐变背景，方向与按钮一致 */
  background: linear-gradient(90deg, #ffb300 60%, #ff9800 100%);
  /* 让背景只显示在文字上 */
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: #ffb300; /* 兼容性兜底色 */
  /* 保留原有阴影和字体设置 */
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 80px;
  height: 4px;
  background-color: #fff !important;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  background-color: var(--color-primary);
  color: var(--color-light);
  border: none;
  border-radius: 30px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn:hover {
  background-color: var(--color-secondary);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* ===== 导航栏 ===== */
.navbar {
  background: #0a0a0a;
  box-shadow: none;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  padding: 0.5rem 0;
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
}

.navbar-left {
  min-width: 220px;
}

.navbar-logo {
  font-family: 'Poppins', Arial, sans-serif;
  font-size: 1.35rem;
  color: #fff !important;
  font-weight: 400;
  letter-spacing: 0.5px;
  text-decoration: none;
}

.navbar-logo span {
  font-weight: 700;
  margin-left: 4px;
}

.navbar-logo i {
  color: #aaa;
  margin-left: 6px;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.navbar-item {
  margin: 0;
}

.navbar-link {
  color: #fff;
  font-size: 1.08rem;
  font-weight: 400;
  background: transparent;
  border-radius: 20px;
  padding: 8px 18px;
  transition: background 0.2s, color 0.2s;
  text-decoration: none;
  display: inline-block;
}

.navbar-link:hover,
.navbar-link.active {
  background: rgba(255,255,255,0.08);
  color: #fff;
}

.navbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-btn {
  border: none;
  outline: none;
  border-radius: 22px;
  padding: 7px 22px;
  font-size: 1rem;
  font-family: inherit;
  font-weight: 500;
  background: rgba(255,255,255,0.08);
  color: #e0e0e0;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-btn:hover {
  background: rgba(255,255,255,0.16);
  color: #fff;
}

.nav-btn-outline {
  border: 1.5px solid rgba(255,255,255,0.13);
  background: rgba(255,255,255,0.06);
}

.nav-btn-star {
  background: rgba(255,255,255,0.13);
  color: #fff;
}

.nav-btn-icon {
  padding: 7px 14px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
  font-size: 1.1rem;
  min-width: 40px;
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-btn-icon i {
  margin: 0;
}

/* 响应式适配 */
@media (max-width: 900px) {
  .navbar-menu {
    gap: 18px;
  }
  .navbar-logo {
    font-size: 1.1rem;
  }
  .nav-btn {
    padding: 7px 12px;
    font-size: 0.95rem;
  }
}

@media (max-width: 600px) {
  .navbar-container {
    flex-direction: column;
    align-items: stretch;
    min-height: unset;
  }
  .navbar-left, .navbar-right {
    justify-content: center;
    min-width: unset;
  }
  .navbar-menu {
    justify-content: center;
    gap: 10px;
  }
}

/* =====================
 * 英雄区（头部视频区块）样式
 * ===================== */

.hero {
  /* 设置英雄区高度为视口高度，内容垂直居中，背景为渐变色 */
  height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 20rem;
  font-weight: 700;
  line-height: 0.9;
  margin-bottom: var(--spacing-md);
  color: var(--color-light);
  text-transform: uppercase;
  letter-spacing: -5px;
  background: linear-gradient(to right, var(--color-accent-1), var(--color-accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  transform: rotate(-5deg);
  text-shadow: 3px 3px 0px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--color-light);
  max-width: 600px;
  margin-bottom: var(--spacing-md);
}

.hero-bg {
  /* 让视频铺满整个英雄区，作为背景 */
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover; /* 保证视频不变形铺满 */
  z-index: 1;
  opacity: 0.85; /* 增加透明度，便于上层文字可读 */
  pointer-events: none; /* 防止视频遮挡交互 */
}

/* 英雄区视频中央文字和按钮样式 */
.hero-overlay-text {
  /* 视频中央的文字和按钮，绝对居中显示 */
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 3;
  text-align: center;
  pointer-events: auto;
  transition: none;
  opacity: 1;
}

.veo-title {
  /* Veo大标题，白色大号艺术字体，带阴影 */
  font-family: var(--font-display);
  font-size: 7vw;
  color: #fff;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 1.5rem;
  text-shadow: 0 4px 32px rgba(0,0,0,0.18);
  /* 设置橙黄色渐变背景，方向与按钮一致 */
  background: linear-gradient(90deg, #ffb300 60%, #ff9800 100%);
  /* 让背景只显示在文字上 */
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: #ffb300; /* 兼容性兜底色 */
}

.veo-desc {
  /* Veo描述文字，白色半透明，略小于标题 */
  font-size: 1.5rem;
  color: #fff;
  opacity: 0.9;
  margin-bottom: 2.5rem;
  text-shadow: 0 2px 8px rgba(0,0,0,0.12);
}

.veo-btn {
  /* Veo按钮，黄色圆角，悬停变色，带阴影 */
  display: inline-block;
  background: #ffb300;
  color: #222;
  font-size: 1.2rem;
  font-weight: 600;
  padding: 0.9em 2.2em;
  border-radius: 2em;
  text-decoration: none;
  box-shadow: 0 2px 12px rgba(0,0,0,0.10);
  transition: background 0.3s, color 0.3s;
  position: relative;
}

.veo-btn:hover {
  /* 鼠标悬停时按钮变为橙色，文字变白 */
  background: #ff9800;
  color: #fff;
}

.veo-btn .arrow {
  /* 按钮内的箭头符号，稍大一点，左侧留间距 */
  margin-left: 0.7em;
  font-size: 1.2em;
  vertical-align: middle;
}

/* 响应式适配 */
@media (max-width: 600px) {
  /* 手机端适配：标题、描述、按钮缩小 */
  .veo-title { font-size: 2.8rem; }
  .veo-desc { font-size: 1.1rem; }
  .veo-btn { font-size: 1rem; padding: 0.7em 1.5em; }
}

/* ===== 探索案例区域 ===== */
.explore {
  background-color: var(--color-bg);
  padding: var(--spacing-xl) 0;
  position: relative;
}

.explore-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: minmax(200px, auto);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.explore-item {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  box-shadow: 0 15px 30px var(--color-shadow);
  transition: all 0.3s ease;
  background-color: var(--color-card-bg);
}

.explore-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px var(--color-shadow);
}

.explore-item:nth-child(1) {
  grid-column: 1 / span 7;
  grid-row: 1 / span 2;
  transform: rotate(2deg);
}

.explore-item:nth-child(2) {
  grid-column: 8 / span 5;
  grid-row: 1 / span 1;
  transform: rotate(-1deg);
}

.explore-item:nth-child(3) {
  grid-column: 8 / span 5;
  grid-row: 2 / span 1;
  transform: rotate(1deg);
}

.explore-item:nth-child(4) {
  grid-column: 1 / span 5;
  grid-row: 3 / span 1;
  transform: rotate(-2deg);
}

.explore-item:nth-child(5) {
  grid-column: 6 / span 7;
  grid-row: 3 / span 2;
  transform: rotate(1deg);
}

.explore-item:nth-child(6) {
  grid-column: 1 / span 5;
  grid-row: 4 / span 1;
  transform: rotate(2deg);
}

.explore-item:nth-child(7) {
  grid-column: 1 / span 6;
  grid-row: 5 / span 1;
  transform: rotate(-1deg);
}

.explore-item:nth-child(8) {
  grid-column: 7 / span 6;
  grid-row: 5 / span 1;
  transform: rotate(1deg);
}

.explore-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.explore-content {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: var(--spacing-md);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  color: var(--color-light);
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.explore-item:hover .explore-content {
  transform: translateY(0);
}

.explore-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-xs);
}

.explore-text {
  font-size: 0.9rem;
  opacity: 0.9;
}

/* ===== 特性区域 ===== */
.features {
  background-color: var(--color-dark);
  color: var(--color-light);
  padding: var(--spacing-xl) 0;
}

.features-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.features-title {
  color: var(--color-light);
}

.features-title::after {
  background-color: var(--color-accent-2);
}

.video-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  justify-content: space-between;
}

.video-item {
  flex: 1 1 45%;
  min-width: 300px;
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 15px 30px var(--color-shadow);
  transform: rotate(-2deg);
}

.video-item:nth-child(2) {
  transform: rotate(2deg);
}

.video-item video {
  width: 100%;
  height: auto;
  display: block;
}

.video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(var(--color-primary), 0.3), rgba(var(--color-secondary), 0.3));
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.video-item:hover .video-overlay {
  opacity: 1;
}

.play-btn {
  width: 80px;
  height: 80px;
  background-color: var(--color-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.play-btn::after {
  content: '';
  width: 0;
  height: 0;
  border-top: 15px solid transparent;
  border-bottom: 15px solid transparent;
  border-left: 25px solid var(--color-primary);
  margin-left: 5px;
}

/* ===== 更多风格区域 ===== */
.more-style {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-bg);
  position: relative;
}

.style-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: var(--spacing-md);
}

.style-item {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  aspect-ratio: 1;
  box-shadow: 0 15px 30px var(--color-shadow);
  transition: all 0.3s ease;
}

.style-item:nth-child(odd) {
  transform: rotate(3deg);
}

.style-item:nth-child(even) {
  transform: rotate(-3deg);
}

.style-item:hover {
  transform: scale(1.05) rotate(0);
  z-index: 10;
}

.style-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.style-item:hover .style-image {
  transform: scale(1.1);
}

.style-content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: linear-gradient(to bottom, rgba(var(--color-primary), 0.7), rgba(var(--color-secondary), 0.7));
  opacity: 0;
  transition: opacity 0.3s ease;
  padding: var(--spacing-md);
  text-align: center;
}

.style-item:hover .style-content {
  opacity: 1;
}

.style-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--color-light);
  margin-bottom: var(--spacing-sm);
}

.style-text {
  color: var(--color-light);
  font-size: 1rem;
  max-width: 80%;
}

/* ===== 信息部分 ===== */
.info, .info-block {
  background-color: #111 !important;
}

.info {
  padding: var(--spacing-xl) 0;
  position: relative;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.info-block {
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px var(--color-shadow);
  transition: all 0.3s ease;
  margin-bottom: 30px;
}

.info-block:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px var(--color-shadow);
}

.info-title-block {
  display: flex; /* 横向排列标题和icon */
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(90deg, #ff3366 0%, #6633ff 100%); /* 红紫渐变 */
  border-radius: 12px; /* 圆角 */
  padding: 32px 36px 32px 36px; /* 内边距 */
  margin-bottom: 32px;
  position: relative;
  min-height: 90px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.10); /* 阴影 */
}

/* 标题文字样式 */
.info-title {
  color: #fff; /* 白色 */
  font-size: 2.2rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 1px;
  text-align: left;
  margin: 0;
  z-index: 2;
}

/* 右侧icon圆形背景 */
.info-title-icon {
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,0.18); /* 半透明白色 */
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

/* icon本身（如fontawesome） */
.info-title-icon i {
  color: #fff;
  font-size: 1.6rem;
}

/* 手机端适配 */
@media (max-width: 600px) {
  .info-title-block {
    padding: 18px 12px;
    min-height: 56px;
  }
  .info-title {
    font-size: 1.1rem;
  }
  .info-title-icon {
    width: 32px;
    height: 32px;
  }
  .info-title-icon i {
    font-size: 1.1rem;
  }
}

.info-icon {
  width: 50px;
  height: 50px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.info-icon i {
  font-size: 1.5rem;
}

.info-content {
  padding: var(--spacing-md);
}

.info-content p {
  margin-bottom: var(--spacing-md);
}

.info-content p:last-child {
  margin-bottom: 0;
}

.info-content ul,
.info-content ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-md);
}

.info-content li {
  margin-bottom: var(--spacing-xs);
}

/* FAQ 样式 */
.faq-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.faq-item {
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  padding-bottom: var(--spacing-md);
}

.faq-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.faq-question {
  font-family: var(--font-accent);
  font-size: 1.2rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-primary);
}

.faq-answer {
  font-size: 1rem;
  line-height: 1.6;
}

/* ===== 页脚 ===== */
.footer {
  background-color: var(--color-dark);
  color: #fff;
  padding-top: var(--spacing-lg);
}

.footer-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.footer-info {
  flex: 1 1 300px;
  margin-bottom: var(--spacing-md);
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 2rem;
  color: #fff !important;
  margin-bottom: var(--spacing-sm);
  display: block;
}

.footer-text {
  margin-bottom: var(--spacing-md);
  opacity: 0.8;
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-light);
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-link:hover {
  background-color: var(--color-primary);
  transform: translateY(-3px);
}

.footer-nav {
  flex: 1 1 200px;
  margin-bottom: var(--spacing-md);
}

.footer-title {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-light);
}

.footer-links {
  list-style: none;
}

.footer-link-item {
  margin-bottom: var(--spacing-xs);
}

.footer-link {
  color: #fff;
  text-decoration: none;
  transition: color 0.3s ease;
  opacity: 0.8;
}

.footer-link:hover {
  color: var(--color-primary);
  opacity: 1;
}

.footer-contact {
  flex: 1 1 300px;
}

.contact-item {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-xs);
  color: var(--color-gray);
}

.contact-icon {
  margin-right: var(--spacing-xs);
  color: var(--color-primary);
}

.copyright {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 0.9rem;
  color: #fff;
  opacity: 0.8;
}

.copyright a {
  color: #fff;
  text-decoration: none;
  transition: color 0.3s ease;
  opacity: 0.8;
}

.copyright a:hover {
  color: var(--color-primary);
  opacity: 1;
}

/* ===== 响应式设计 ===== */
@media (max-width: 1200px) {
  .section-title {
    font-size: 3rem;
  }
  
  .hero-title {
    font-size: 15rem;
  }
}

@media (max-width: 992px) {
  .section-title {
    font-size: 2.5rem;
  }
  
  .hero-title {
    font-size: 12rem;
  }
  
  .explore-grid {
    grid-template-columns: repeat(6, 1fr);
  }
  
  .explore-item:nth-child(1) {
    grid-column: 1 / span 6;
    grid-row: auto;
  }
  
  .explore-item:nth-child(2) {
    grid-column: 1 / span 3;
    grid-row: auto;
  }
  
  .explore-item:nth-child(3) {
    grid-column: 4 / span 3;
    grid-row: auto;
  }
  
  .explore-item:nth-child(4) {
    grid-column: 1 / span 3;
    grid-row: auto;
  }
  
  .explore-item:nth-child(5) {
    grid-column: 4 / span 3;
    grid-row: auto;
  }
  
  .explore-item:nth-child(6) {
    grid-column: 1 / span 6;
    grid-row: auto;
  }
  
  .explore-item:nth-child(7) {
    grid-column: 1 / span 3;
    grid-row: auto;
  }
  
  .explore-item:nth-child(8) {
    grid-column: 4 / span 3;
    grid-row: auto;
  }
  
  .info-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .section-title {
    font-size: 2rem;
  }
  
  .hero-title {
    font-size: 8rem;
  }
  
  .navbar-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background-color: var(--color-light);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: right 0.3s ease;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
  }
  
  .navbar-menu.active {
    right: 0;
  }
  
  .navbar-item {
    margin: var(--spacing-sm) 0;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  .explore-grid {
    grid-template-columns: 1fr;
  }
  
  .explore-item:nth-child(n) {
    grid-column: 1;
    grid-row: auto;
  }
  
  .video-item {
    flex: 1 1 100%;
    margin-bottom: var(--spacing-md);
  }
}

@media (max-width: 576px) {
  .section-title {
    font-size: 1.8rem;
  }
  
  .hero-title {
    font-size: 5rem;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
  }
  
  .btn {
    padding: 10px 20px;
    font-size: 0.9rem;
  }
  
  .info-title {
    font-size: 1.5rem;
  }
  
  .info-icon {
    width: 40px;
    height: 40px;
  }
  
  .info-icon i {
    font-size: 1.2rem;
  }
}

/* 动画效果 */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 1s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }
.delay-5 { animation-delay: 1s; }

/* 下拉菜单样式 */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    cursor: pointer;
}

.dropdown-toggle::after {
    content: '';
    display: inline-block;
    margin-left: 5px;
    vertical-align: middle;
    border-top: 4px solid var(--color-text);
    border-right: 4px solid transparent;
    border-left: 4px solid transparent;
    transition: transform 0.3s ease;
}

.dropdown:hover .dropdown-toggle::after {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    padding: 10px 0;
    margin: 0;
    background-color: var(--color-bg);
    border-radius: 8px;
    box-shadow: 0 5px 15px var(--color-shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 8px 20px;
    color: var(--color-text);
    text-decoration: none;
    transition: all 0.3s ease;
    border-radius: 0;
    background: none;
}

.dropdown-item:hover {
    background-color: var(--color-primary);
    color: var(--color-light);
}

/* 移动端下拉菜单样式 */
@media (max-width: 768px) {
    .dropdown-menu {
        position: static;
        width: 100%;
        background-color: transparent;
        box-shadow: none;
        padding: 0;
        margin-top: 10px;
        opacity: 1;
        visibility: visible;
        transform: none;
    }

    .dropdown-toggle::after {
        float: right;
        margin-top: 8px;
    }

    .dropdown-item {
        padding: 10px 20px;
        border-left: 3px solid var(--color-primary);
    }

    .dropdown-item:hover {
        background-color: rgba(var(--color-primary), 0.1);
        color: var(--color-primary);
    }
}

/* Veo 3 介绍与三大特性卡片样式 */
.veo-features-section {
  background: #111;
  color: #ffb300;
  padding: 80px 0 60px 0;
  text-align: center;
}
.veo-features-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.veo-features-title {
  font-size: 2.6rem;
  font-weight: 500;
  color: #ffb300;
  margin-bottom: 56px;
  line-height: 1.2;
  letter-spacing: 0.5px;
}
.veo-features-cards {
  display: flex;
  justify-content: center;
  gap: 36px;
  flex-wrap: wrap;
}
.veo-feature-card {
  background: #191919;
  border-radius: 24px;
  box-shadow: 0 4px 32px rgba(0,0,0,0.18);
  padding: 48px 32px 36px 32px;
  flex: 1 1 320px;
  max-width: 370px;
  min-width: 260px;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform 0.25s, box-shadow 0.25s;
  margin-bottom: 24px;
}
.veo-feature-card:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 8px 40px rgba(255,179,0,0.10);
}
.veo-feature-icon {
  font-size: 2.5rem;
  color: #ffb300;
  background: #222;
  border-radius: 16px;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
  font-weight: 700;
  box-shadow: 0 2px 12px rgba(0,0,0,0.10);
}
.veo-icon-equal {
  display: inline-block;
  width: 32px;
  height: 32px;
  position: relative;
}
.veo-icon-equal::before,
.veo-icon-equal::after {
  content: '';
  display: block;
  position: absolute;
  left: 0;
  width: 32px;
  height: 6px;
  background: #ffb300;
  border-radius: 3px;
}
.veo-icon-equal::before { top: 7px; }
.veo-icon-equal::after { top: 19px; }
.veo-icon-brush {
  display: inline-block;
  width: 32px;
  height: 32px;
  position: relative;
}
.veo-icon-brush::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 8px;
  width: 18px;
  height: 6px;
  background: #ffb300;
  border-radius: 2px 10px 10px 2px;
  transform: rotate(45deg);
}
.veo-icon-brush::after {
  content: '';
  position: absolute;
  left: 22px;
  top: 20px;
  width: 6px;
  height: 6px;
  background: #222;
  border-radius: 50%;
  border: 2px solid #ffb300;
}
.veo-feature-title {
  color: #fff;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.veo-feature-desc {
  color: #fff;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.6;
  opacity: 0.8;
}
@media (max-width: 900px) {
  .veo-features-cards { flex-direction: column; gap: 18px; }
  .veo-feature-card { max-width: 100%; }
}
@media (max-width: 600px) {
  .veo-features-title { font-size: 1.3rem; }
  .veo-feature-card { padding: 32px 12px 24px 12px; }
  .veo-feature-icon { width: 48px; height: 48px; font-size: 1.5rem; }
}

/* 横屏视频展示样式 */
.veo-video-section {
  background: #111;
  padding: 48px 0 32px 0;
  display: flex;
  justify-content: center;
}
.veo-video-container {
  width: 100%;
  max-width: none;
  display: flex;
  justify-content: center;
  align-items: center;
}
.veo-wide-video {
  width: 100vw;
  height: 80vh;
  max-width: none;
  min-height: 320px;
  object-fit: cover;
  border-radius: 0;
  box-shadow: 0 4px 32px rgba(0,0,0,0.18);
  background: #000;
  display: block;
}
@media (max-width: 900px) {
  .veo-wide-video { height: 50vh; min-height: 180px; }
}
@media (max-width: 600px) {
  .veo-video-section { padding: 0; }
  .veo-wide-video { height: 40vh; min-height: 120px; }
}

/* Veo锚点导航栏和标题样式 */
.veo-anchor-section {
  background: #111;
  padding: 48px 0 0 0;
  text-align: center;
}
.veo-anchor-nav {
  display: flex;
  justify-content: center;
  margin-bottom: 48px;
  position: sticky;
  top: 0;
  z-index: 100;
  background: transparent;
  transition: box-shadow 0.3s, background 0.3s;
}
.veo-anchor-nav.sticky {
  background: #181818ee;
  box-shadow: 0 2px 16px rgba(0,0,0,0.18);
  border-radius: 0 0 32px 32px;
  margin-bottom: 0;
}
.veo-anchor-nav ul {
  display: flex;
  background: #181818;
  border-radius: 32px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.12);
  padding: 8px 18px;
  gap: 8px;
  list-style: none;
}
.veo-anchor-nav li {
  margin: 0 2px;
}
.veo-anchor-nav a {
  display: block;
  padding: 8px 28px;
  border-radius: 24px;
  color: #fff;
  font-size: 1.08rem;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
  background: transparent;
}
.veo-anchor-nav a.active,
.veo-anchor-nav a:hover {
  background: linear-gradient(90deg, #ffb300 60%, #ff9800 100%);
  color: #222;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(255,179,0,0.10);
}
.veo-anchor-title-group {
  margin: 60px auto 0 auto;
  max-width: 700px;
}
.veo-anchor-title {
  font-size: 4rem;
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  margin-bottom: 28px;
  /* 设置橙黄色渐变背景，方向与按钮一致 */
  background: linear-gradient(90deg, #ffb300 60%, #ff9800 100%);
  /* 让背景只显示在文字上 */
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: #ffb300; /* 兼容性兜底色 */
}
.veo-anchor-desc {
  color: #bfc3c9;
  font-size: 1.35rem;
  line-height: 1.5;
  font-weight: 400;
}
@media (max-width: 900px) {
  .veo-anchor-title { font-size: 2.2rem; }
  .veo-anchor-title-group { margin-top: 32px; }
  .veo-anchor-nav ul { padding: 6px 6px; }
  .veo-anchor-nav a { padding: 7px 14px; font-size: 1rem; }
}
@media (max-width: 600px) {
  .veo-anchor-section { padding-top: 18px; }
  .veo-anchor-title { font-size: 1.3rem; }
  .veo-anchor-desc { font-size: 1rem; }
  .veo-anchor-nav ul { flex-wrap: wrap; gap: 2px; }
  .veo-anchor-nav a { padding: 6px 8px; font-size: 0.95rem; }
  .veo-anchor-nav { top: 0; border-radius: 0; }
  .veo-anchor-nav.sticky { border-radius: 0; }
}

.veo-audio-desc {
  font-family: 'Poppins', 'Montserrat', Arial, sans-serif;
  font-size: 2rem;
  font-weight: 600;
  text-align: center;
  max-width: 700px;
  margin: 36px auto 60px auto;
  line-height: 1.4;
  background: linear-gradient(90deg, #ffb300 60%, #ff9800 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: #ffb300;
  letter-spacing: 0.5px;
}
@media (max-width: 600px) {
  .veo-audio-desc { font-size: 1.2rem; max-width: 95vw; margin: 18px auto 32px auto; }
}

.veo-carousel-section {
  background: #111;
  padding: 40px 0 60px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.veo-carousel-container {
  position: relative;
  width: 100%;
  max-width: 900px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.veo-carousel-track {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.4,0,0.2,1);
  min-width: 100%; /* 关键：让轨道宽度自适应所有视频 */
  overflow: hidden;
}
.veo-carousel-video {
  flex: 0 0 100%;
  width: 100%;
  max-width: 90vw;
  height: 45vw;
  max-height: 420px;
  min-height: 180px;
  object-fit: cover;
  border-radius: 18px;
  background: #000;
  margin: 0 10px;
  box-shadow: 0 4px 32px rgba(0,0,0,0.18);
  display: block;
}
.veo-carousel-arrow {
  background: #222;
  color: #ffb300;
  border: none;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  font-size: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  margin: 0 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.10);
  transition: background 0.2s, color 0.2s;
  z-index: 2;
}
.veo-carousel-arrow:hover {
  background: #ffb300;
  color: #222;
}
.veo-carousel-dots {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 24px;
}
.veo-carousel-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #333;
  transition: background 0.3s;
  display: inline-block;
  cursor: pointer;
}
.veo-carousel-dot.active {
  background: #ffb300;
}
@media (max-width: 900px) {
  .veo-carousel-video { width: 98vw; height: 54vw; max-width: 98vw; max-height: 260px; }
  .veo-carousel-container { max-width: 100vw; }
}
@media (max-width: 600px) {
  .veo-carousel-section { padding: 18px 0 24px 0; }
  .veo-carousel-video { min-height: 100px; border-radius: 8px; }
  .veo-carousel-arrow { width: 36px; height: 36px; font-size: 1.3rem; }
  .veo-carousel-dot { width: 10px; height: 10px; }
}

.veo-twocol-section {
  background: #111;
  padding: 48px 0 60px 0;
  display: flex;
  justify-content: center;
}
.veo-twocol-container {
  display: flex;
  gap: 48px;
  max-width: 1200px;
  width: 100%;
  justify-content: center;
}
.veo-twocol-col {
  display: flex;
  flex-direction: column;
  gap: 32px;
  flex: 1 1 0;
}
.veo-twocol-video {
  width: 100%;
  aspect-ratio: 16/9;
  min-height: 160px;
  max-height: 320px;
  background: #000;
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.18);
  object-fit: cover;
  display: block;
}
@media (max-width: 900px) {
  .veo-twocol-container { gap: 18px; }
  .veo-twocol-video { max-height: 180px; border-radius: 8px; }
}
@media (max-width: 700px) {
  .veo-twocol-container { flex-direction: column; gap: 24px; }
  .veo-twocol-col { flex-direction: row; gap: 12px; }
  .veo-twocol-video { min-height: 80px; max-height: 120px; }
}
@media (max-width: 500px) {
  .veo-twocol-col { flex-direction: column; gap: 8px; }
  .veo-twocol-section { padding: 18px 0 24px 0; }
}

.veo-desc-section {
  background: #111;
  padding: 48px 0 36px 0;
  text-align: center;
}
.veo-desc-title {
  font-family: 'Poppins', 'Montserrat', Arial, sans-serif;
  font-size: 2.8rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 24px;
  letter-spacing: 0.2px;
}
.veo-desc-text {
  font-family: 'Poppins', 'Montserrat', Arial, sans-serif;
  font-size: 1.35rem;
  color: #fff;
  font-weight: 400;
  line-height: 1.5;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 72px;
  opacity: 0.8;
}
@media (max-width: 600px) {
  .veo-desc-title { font-size: 1.3rem; }
  .veo-desc-text { font-size: 1rem; }
  .veo-desc-section { padding: 24px 0 18px 0; }
}

.veo-wide-image {
  width: 100vw;
  height: 80vh;
  max-width: none;
  min-height: 0;
  object-fit: cover;
  border-radius: 0;
  box-shadow: 0 4px 32px rgba(0,0,0,0.18);
  background: #000;
  display: block;
}
@media (max-width: 900px) {
  .veo-wide-image { height: 100vh; }
}
@media (max-width: 600px) {
  .veo-wide-image { height: 100vh; }
}

.veo2-cap-section {
  background: #111;
  padding: 64px 0 32px 0;
  text-align: center;
}
.veo2-cap-title {
  font-family: 'Poppins', 'Montserrat', Arial, sans-serif;
  font-size: 3.2rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 28px;
  line-height: 1.1;
}
.veo2-cap-desc {
  font-family: 'Poppins', 'Montserrat', Arial, sans-serif;
  font-size: 1.35rem;
  color: #fff;
  font-weight: 400;
  line-height: 1.5;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 72px;
}
.veo2-ref-section {
  background: #111;
  padding: 90px 0 32px 0;
  text-align: center;
}
.veo2-ref-title {
  font-family: 'Poppins', 'Montserrat', Arial, sans-serif;
  font-size: 3.2rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 28px;
  line-height: 1.1;
}
.veo2-ref-desc {
  font-family: 'Poppins', 'Montserrat', Arial, sans-serif;
  font-size: 1.35rem;
  color: #fff;
  font-weight: 400;
  line-height: 1.5;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 72px;
}
@media (max-width: 600px) {
  .veo2-cap-title, .veo2-ref-title { font-size: 1.5rem; }
  .veo2-cap-desc, .veo2-ref-desc { font-size: 1rem; }
  .veo2-cap-section, .veo2-ref-section { padding: 32px 0 16px 0; }
}

.veo-mixcol-section {
  background: #111;
  padding: 48px 0 60px 0;
  display: flex;
  justify-content: center;
}
.veo-mixcol-container {
  display: flex;
  gap: 24px;
  max-width: 900px;
  width: 100%;
  justify-content: center;
}
.veo-mixcol-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1 1 0;
}
.veo-mixcol-img, .veo-mixcol-video {
  width: 85%;
  aspect-ratio: 16/9;
  min-height: 136px;
  max-height: 272px;
  background: #000;
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.18);
  object-fit: cover;
  display: block;
  margin: 0 auto;
  transform: scale(0.85);
}
@media (max-width: 900px) {
  .veo-mixcol-container { gap: 18px; }
  .veo-mixcol-img, .veo-mixcol-video { max-height: 153px; border-radius: 8px; }
}
@media (max-width: 700px) {
  .veo-mixcol-container { flex-direction: column; gap: 24px; }
  .veo-mixcol-col { flex-direction: row; gap: 12px; }
  .veo-mixcol-img, .veo-mixcol-video { min-height: 68px; max-height: 102px; }
}
@media (max-width: 500px) {
  .veo-mixcol-col { flex-direction: column; gap: 8px; }
  .veo-mixcol-section { padding: 18px 0 24px 0; }
}

.veo-mixcol-desc {
  color: #fff;
  text-align: center;
  font-size: 1.6rem;
  font-family: 'Poppins', 'Montserrat', Arial, sans-serif;
  margin: 64px auto 40px auto;
  letter-spacing: 0.1px;
  font-weight: 400;
  line-height: 1.5;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 72px;
  opacity: 0.8;
}
@media (max-width: 600px) {
  .veo-mixcol-desc { font-size: 1rem; margin: 32px auto 18px auto; }
}

.veo-frame-section {
  background: #111;
  padding: 64px 0 80px 0;
  text-align: center;
}
.veo-frame-title {
  font-family: 'Poppins', 'Montserrat', Arial, sans-serif;
  font-size: 2.8rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
}
.veo-frame-desc {
  font-family: 'Poppins', 'Montserrat', Arial, sans-serif;
  font-size: 1.25rem;
  color: #fff;
  font-weight: 400;
  margin-bottom: 48px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}
.veo-frame-img-row {
  display: flex;
  justify-content: center;
  gap: 36px;
  margin-bottom: 56px;
  margin-top: 48px;
}
.veo-frame-img-col {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.veo-frame-img {
  width: 320px;
  max-width: 90vw;
  aspect-ratio: 16/9;
  border-radius: 24px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.18);
  object-fit: cover;
  margin-bottom: 14px;
  background: #000;
}
.veo-frame-img-label {
  color: #fff;
  font-size: 1.08rem;
  font-family: 'Poppins', 'Montserrat', Arial, sans-serif;
  margin-bottom: 0;
}
.veo-frame-video-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 48px;
}
.veo-frame-video {
  width: 660px;
  max-width: 98vw;
  aspect-ratio: 16/9;
  border-radius: 28px;
  box-shadow: 0 4px 32px rgba(0,0,0,0.18);
  object-fit: cover;
  background: #000;
  margin-bottom: 14px;
}
.veo-frame-video-label {
  color: #fff;
  font-size: 1.08rem;
  font-family: 'Poppins', 'Montserrat', Arial, sans-serif;
}
@media (max-width: 900px) {
  .veo-frame-img { width: 180px; border-radius: 12px; }
  .veo-frame-video { width: 98vw; border-radius: 12px; }
  .veo-frame-img-row { gap: 12px; }
}
@media (max-width: 600px) {
  .veo-frame-title { font-size: 1.3rem; }
  .veo-frame-desc { font-size: 1rem; }
  .veo-frame-img-row { flex-direction: column; gap: 18px; }
  .veo-frame-img { width: 98vw; }
}

.veo-motion-section {
  background: #111;
  padding: 64px 0 80px 0;
  text-align: center;
}
.veo-motion-title {
  font-family: 'Poppins', 'Montserrat', Arial, sans-serif;
  font-size: 2.8rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
}
.veo-motion-desc {
  font-family: 'Poppins', 'Montserrat', Arial, sans-serif;
  font-size: 1.25rem;
  color: #fff;
  font-weight: 400;
  margin-bottom: 48px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}
.veo-motion-img-row {
  display: flex;
  justify-content: center;
  gap: 36px;
  margin-bottom: 0;
  margin-top: 48px;
}
.veo-motion-img {
  width: 420px;
  max-width: 90vw;
  aspect-ratio: 16/9;
  border-radius: 28px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.18);
  object-fit: cover;
  background: #000;
}
@media (max-width: 900px) {
  .veo-motion-img { width: 220px; border-radius: 12px; }
  .veo-motion-img-row { gap: 12px; }
}
@media (max-width: 600px) {
  .veo-motion-title { font-size: 1.3rem; }
  .veo-motion-desc { font-size: 1rem; }
  .veo-motion-img-row { flex-direction: column; gap: 18px; }
  .veo-motion-img { width: 98vw; }
}

.veo-char-section {
  background: #111;
  padding: 64px 0 80px 0;
  text-align: center;
}
.veo-char-title {
  font-family: 'Poppins', 'Montserrat', Arial, sans-serif;
  font-size: 2.8rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
}
.veo-char-desc {
  font-family: 'Poppins', 'Montserrat', Arial, sans-serif;
  font-size: 1.25rem;
  color: #fff;
  font-weight: 400;
  margin-bottom: 48px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}
.veo-char-row {
  display: flex;
  justify-content: center;
  gap: 36px;
  margin-bottom: 56px;
  margin-top: 48px;
}
.veo-char-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1 1 0;
  min-width: 220px;
  max-width: 320px;
}
.veo-char-media {
  width: 320px;
  max-width: 90vw;
  aspect-ratio: 16/9;
  border-radius: 24px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.18);
  object-fit: cover;
  margin-bottom: 14px;
  background: #000;
}
.veo-char-label {
  color: #fff;
  font-size: 1.08rem;
  font-family: 'Poppins', 'Montserrat', Arial, sans-serif;
  margin-bottom: 0;
}
.veo-char-desc2 {
  color: #fff;
  font-size: 1rem;
  font-family: 'Poppins', 'Montserrat', Arial, sans-serif;
  margin-top: 10px;
  line-height: 1.5;
}
.veo-char-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 48px;
}
.veo-char-bottom-media {
  width: 660px;
  max-width: 98vw;
  aspect-ratio: 16/9;
  border-radius: 28px;
  box-shadow: 0 4px 32px rgba(0,0,0,0.18);
  object-fit: cover;
  background: #000;
  margin-bottom: 14px;
}
.veo-char-bottom-desc {
  color: #fff;
  font-size: 1.08rem;
  font-family: 'Poppins', 'Montserrat', Arial, sans-serif;
}
@media (max-width: 900px) {
  .veo-char-media { width: 180px; border-radius: 12px; }
  .veo-char-bottom-media { width: 98vw; border-radius: 12px; }
  .veo-char-row { gap: 12px; }
}
@media (max-width: 600px) {
  .veo-char-title { font-size: 1.3rem; }
  .veo-char-desc { font-size: 1rem; }
  .veo-char-row { flex-direction: column; gap: 18px; }
  .veo-char-media { width: 98vw; }
}

.veo-bench-section {
  background: #111;
  padding: 64px 0 48px 0;
  text-align: center;
}
.veo-bench-title {
  font-family: 'Poppins', 'Montserrat', Arial, sans-serif;
  font-size: 2.4rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
}
.veo-bench-desc {
  font-family: 'Poppins', 'Montserrat', Arial, sans-serif;
  font-size: 1.2rem;
  color: #bfc3c9;
  font-weight: 400;
  margin-bottom: 36px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.veo-bench-btn {
  display: inline-block;
  background: linear-gradient(90deg, #ffb300 60%, #ff9800 100%);
  color: #222;
  font-size: 1.1rem;
  font-weight: 600;
  padding: 12px 32px;
  border-radius: 24px;
  text-decoration: none;
  box-shadow: 0 2px 12px rgba(0,0,0,0.10);
  transition: background 0.3s, color 0.3s;
  margin-bottom: 32px;
}
.veo-bench-btn:hover {
  background: linear-gradient(90deg, #ff9800 60%, #ffb300 100%);
  color: #fff;
}
.veo-safe-section {
  background: #111;
  padding: 64px 0 80px 0;
  text-align: center;
}
.veo-safe-title {
  font-family: 'Poppins', 'Montserrat', Arial, sans-serif;
  font-size: 2.2rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
}
.veo-safe-desc {
  font-family: 'Poppins', 'Montserrat', Arial, sans-serif;
  font-size: 1.1rem;
  color: #bfc3c9;
  font-weight: 400;
  margin-bottom: 24px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}
@media (max-width: 600px) {
  .veo-bench-title, .veo-safe-title { font-size: 1.3rem; }
  .veo-bench-desc, .veo-safe-desc { font-size: 1rem; }
  .veo-bench-section, .veo-safe-section { padding: 32px 0 24px 0; }
  .veo-bench-btn { font-size: 1rem; padding: 10px 18px; }
}

/* LOGO颜色改为白色 */
.footer-logo,
.navbar-logo {
  color: #fff !important;
  text-decoration: none;
}

/* 页脚LOGO悬停也为白色 */
.footer-logo:hover {
  color: #fff !important;
}

/* 信封图标颜色为白色 */
.footer .fa-envelope,
.contact-icon,
.fa-envelope {
  color: #fff !important;
}

/* 下划线颜色为白色（如有自定义下划线） */
.footer-logo {
  border-bottom: 3px solid #fff !important;
}

/* 兼容其它可能的下划线样式 */
.underline, .footer-logo[style*="border-bottom"] {
  border-bottom: 3px solid #fff !important;
}

/* Banner区块整体容器，设置相对定位 */
.veo-banner {
  position: relative;
  width: 100%;
  height: 350px; /* 可根据需要调整高度 */
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 背景图片铺满容器 */
.veo-banner-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  position: absolute;
  top: 0; left: 0;
  z-index: 1;
}

/* 文字和按钮的包裹层，居中显示，带半透明背景 */
.veo-banner-overlay {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  color: #fff;
  padding: 40px 20px;
  background: rgba(0,0,0,0.25); /* 可选，增加可读性 */
  border-radius: 18px;
  box-shadow: 0 4px 32px rgba(0,0,0,0.18);
}

/* 标题样式 */
.veo-banner-title {
  font-size: 2.2rem;
  font-weight: 600;
  margin-bottom: 18px;
  line-height: 1.2;
  text-shadow: 0 2px 8px rgba(0,0,0,0.18);
}

/* 描述文字样式 */
.veo-banner-desc {
  font-size: 1.1rem;
  margin-bottom: 28px;
  opacity: 0.95;
  text-shadow: 0 1px 4px rgba(0,0,0,0.12);
}

/* 按钮样式 */
.veo-banner-btn {
  display: inline-block;
  background: linear-gradient(90deg, #ffb300 60%, #ff9800 100%);
  color: #222;
  font-size: 1.1rem;
  font-weight: 600;
  padding: 12px 32px;
  border-radius: 24px;
  text-decoration: none;
  box-shadow: 0 2px 12px rgba(0,0,0,0.10);
  transition: background 0.3s, color 0.3s;
}
.veo-banner-btn:hover {
  background: linear-gradient(90deg, #ff9800 60%, #ffb300 100%);
  color: #fff;
}

/* 手机端适配 */
@media (max-width: 600px) {
  .veo-banner { height: 220px; }
  .veo-banner-title { font-size: 1.1rem; }
  .veo-banner-desc { font-size: 0.9rem; }
  .veo-banner-btn { font-size: 0.95rem; padding: 8px 18px; }
}

/* Flow 视频叠加文字和按钮样式 */
.veo-flow-overlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  background: rgba(0,0,0,0.10); /* 轻微暗化，提升可读性 */
  pointer-events: none; /* 让视频可交互，按钮除外 */
}

.veo-flow-title {
  font-size: 4rem;
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: 1px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.18);
  pointer-events: auto;
}

.veo-flow-desc {
  font-size: 1.2rem;
  max-width: 600px;
  margin-bottom: 36px;
  opacity: 0.95;
  text-shadow: 0 1px 4px rgba(0,0,0,0.12);
  pointer-events: auto;
}

.veo-flow-btn {
  display: inline-block;
  background: linear-gradient(90deg, #ffb300 60%, #ff9800 100%);
  color: #222;
  font-size: 1.1rem;
  font-weight: 600;
  padding: 14px 36px;
  border-radius: 24px;
  text-decoration: none;
  box-shadow: 0 2px 12px rgba(0,0,0,0.10);
  transition: background 0.3s, color 0.3s;
  margin-top: 10px;
  pointer-events: auto;
}
.veo-flow-btn:hover {
  background: linear-gradient(90deg, #ff9800 60%, #ffb300 100%);
  color: #fff;
}
.veo-flow-btn .arrow {
  margin-left: 0.7em;
  font-size: 1.2em;
  vertical-align: middle;
}

/* 手机端适配 */
@media (max-width: 600px) {
  .veo-flow-title { font-size: 2rem; }
  .veo-flow-desc { font-size: 1rem; }
  .veo-flow-btn { font-size: 0.95rem; padding: 8px 18px; }
}