/* ========== 全局变量 ========== */
:root {
    --color-bg: #0f0f0f;
    --color-text: #ffffff;          /* 主文本颜色 */
    --color-accent: #FF6B6B;
    --color-card-bg: #1a1a1a;
    --color-link-a: #dca54a;
    --font-primary: 'Poppins', sans-serif;
    --font-size-base: 16px;
    --color-bg-primary: #0f0f0f;    /* 主要背景色 */
    --color-bg-secondary: #1a1a1a;  /* 次要背景色（卡片等） */
    --color-bg-tertiary: #262626;   /* 第三层背景色（内容块） */
    --color-bg-highlight: #333;     /* 高亮背景 */
    --color-border: rgba(255,255,255,0.1); /* 统一边框颜色 */
    --color-text-title: rgba(255,255,255); /* 标题文本 */
    --color-text-secondary: rgba(255,255,255,0.8); /* 次要文本 */
    --gradient-dark: linear-gradient(to bottom, #0f0f0f, #000000); /* 渐变背景 */
    --shadow-standard: 0 8px 16px rgba(0,0,0,0.3); /* 统一阴影 */
  }

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background-color: #0f0f0f;
  color: #ffffff;
}

/* body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  margin: 20px;
  background-color: #f4f4f4;
} */

h1 {
  font-size: 36px;
  text-align: center;
  margin-bottom: 20px;
  color: #f0f0f0;
}

h2 {
  font-size: 24px;
  text-align: center;
  margin-bottom: 30px;
  color: #f0f0f0;
}

h3 {
  font-size: 20px;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
}

h3 i {
  margin-right: 10px;
}

p {
  margin-bottom: 20px;
}

a {
  color: #007BFF;
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: #0056b3;
}

.highlight {
  color: #007BFF;
  font-weight: bold;
}

.cta {
  background-color: #007BFF;
  color: white;
  padding: 10px 20px;
  border-radius: 5px;
  text-decoration: none;
  transition: background-color 0.3s ease;
}

.cta:hover {
  background-color: #0056b3;
}

.content-section {
  background-color: white;
  padding: 20px;
  margin-bottom: 40px;
  border-radius: 5px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

/* ========== 通用容器 ========== */
/* 容器样式 */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
}
/* 基础页眉样式 */
.site-header {
  background-color: #0f0f0f;
  padding: 0;
  width: 100%;
}

.site-header .container {
  margin: 0 auto;
  display: flex;
  align-items: center;
  height: 80px;
}

/* 左侧 Logo 区域样式 */
.site-branding {
  width: 25%;
  min-width: 200px;
  height: 80px;
}

.logo-link {
  display: block;
  width: 25%;
  height: 100%;
  position: relative;
  display: flex;
  align-items: center;
}

.logo-background {
  max-width: 100%;
  width: 100px;
  height: auto;
  object-fit: contain;
  object-position: left center;
}

/* 中间导航菜单样式 */
.longtail-main-navigation {
  width: 50%;
  display: flex;
  margin: 0;  /* 移除之前的margin:100px */
}

.menu-container {
  display: flex;
  align-items: center;
}

.menu-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 40px;
}

.menu-item a {
  color: #fff;
  text-decoration: none;
  font-size: 18px;
  transition: opacity 0.3s ease;
}

.menu-item a:hover {
  opacity: 0.8;
}

/* 移动端菜单按钮 - 默认隐藏 */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 22px;
  cursor: pointer;
}

.mobile-menu-toggle span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: #fff;
  border-radius: 2px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .site-branding {
    min-width: 160px;
  }
  
  .menu-list {
    gap: 25px;
  }
}

@media (max-width: 768px) {
  .site-header .container {
    padding: 0 15px;
  }

  .site-branding {
    width: auto;
    min-width: 140px;
  }
  
  .longtail-main-navigation {
    display: none; /* 在移动端隐藏菜单 */
  }
  
  .mobile-menu-toggle {
    display: flex; /* 显示移动端菜单按钮 */
  }
  
  /* 在JavaScript中切换此类以显示移动菜单 */
  .longtail-main-navigation.active {
    display: block;
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: #333;
    z-index: 100;
  }
  
  .longtail-main-navigation.active .menu-list {
    flex-direction: column;
    gap: 0;
    padding: 15px 0;
  }
  
  .longtail-main-navigation.active .menu-item {
    width: 100%;
  }
  
  .longtail-main-navigation.active .menu-item a {
    display: block;
    padding: 15px 25px;
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .site-header .container {
    height: 70px;
  }
  
  .site-branding {
    min-width: 120px;
    height: 70px;
  }
  
  .login-button a {
    padding: 8px 16px;
    font-size: 14px;
  }
}
  /* ========== 1. Hero Banner ========== */
  /* 确保每行显示6个卡片 */
  .hero-banner-with-grid {
    background-color: #140d21;
    background-image: url('https://cdn.musichut.ai/wp-content/uploads/2025/03/21074431/Hero-gradient.png');
    background-size: cover;
    background-position: top center;
    color: #fff;
    padding: 60px 0;
    text-align: center;
  }

  .hero-banner-with-grid h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #ffffff;
  }

  .hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #cab6f2;
  }

  .music-generator-container {
    max-width: 600px;
    margin: 0 auto 40px;
  }

  .input-container {
    display: flex;
    border-radius: 8px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.1);
  }

  .music-generator-prompt-input {
    width: 100%;
    padding: 15px 20px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    font-size: 16px;
  }

  .music-generator-btn {
    background: #6c2bff;
    color: white;
    border: none;
    padding: 15px 30px;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.3s;
  }

  .music-generator-btn:hover {
    background: #8c54ff;
  }

  .music-grid-category-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
  }

  .music-grid-category-tag {
      padding: 8px 15px;
      border: 1px solid rgba(255, 255, 255, 0.3);
      border-radius: 20px;
      cursor: pointer;
      text-align: center;
      transition: all 0.3s ease;
  }

  .music-grid-category-tag:hover {
      background: rgba(108, 43, 255, 0.4);
      border-color: #6c2bff;
  }

  .music-grid-category-tag.active {
      background: rgba(108, 43, 255, 0.4);
      border-color: #6c2bff;
      color: white;
  }

  /* 控制宽度的类 */
  .category-tag-full {
      flex: 0 0 auto;
      min-width: 120px;
  }

  .category-tag-half {
      flex: 0 0 calc(50% - 10px);
      max-width: calc(45% - 10px);
      min-width: 120px;
  }

  .music-grid-container {
    margin-top: 40px;
  }

  .music-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
  }

  .music-card {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s;
  }

  .music-card:hover {
    transform: translateY(-5px);
  }

  .music-card img {
    width: 100%;
    height: auto;
    display: block;
  }

  .music-card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 15px;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: white;
  }

  .play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background: rgba(108, 43, 255, 0.7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
  }

  .music-card:hover .play-button {
    opacity: 1;
  }

  .music-card.playing .play-button {
    opacity: 1;
    background: rgba(108, 43, 255, 1);
  }

  .play-icon, .pause-icon {
    color: white;
    font-size: 20px;
  }
  
  /* 响应式调整 */
  @media (max-width: 1200px) {
    .music-grid {
      grid-template-columns: repeat(4, 1fr);
    }
    
    .music-grid-category-tags {
      flex-wrap: wrap;
    }
  }
  
  @media (max-width: 768px) {
    .music-grid {
      grid-template-columns: repeat(3, 1fr);
    }
    .music-grid-category-tag {
      flex: 0 0 calc(50% - 10px);
      max-width: calc(50% - 10px);
    }
  }
  
  @media (max-width: 480px) {
    .music-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .music-grid-category-tag {
      flex: 0 0 100%;
      max-width: 100%;
    }
  }
/* 加载更多按钮样式 */
.load-more-btn {
  color: var(--color-link-a);
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 16px;
}

.load-more-padding {
  padding: 0 5px 0 0;
}

.load-more-btn:hover {
  color: #f0f0f0;
}

/* 加载更多容器样式 */
.load-more-container {
  text-align: center;
  margin-top: 20px;
  margin-bottom: 30px;
}

  /* ========== 3. 探索音乐部分 ========== */
  /* 标题区域容器 */
  .dive-music-header-section {
    position: relative;
    margin-top: -100px;
    width: 100%;
    overflow: hidden;
    padding-top: 200px;
    padding-bottom: 120px;
    text-align: center;
    background: linear-gradient(135deg, #020024 0%, #090979 35%, #00d4ff 100%);
    background-image: url("https://cdn.musichut.ai/wp-content/uploads/2025/03/21074452/main_bg.png");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* 标题样式 */
.dive-music-title-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 10;
}

.dive-music-main-title {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.dive-music-main-title .zh {
    color: #ffffff;
}

.dive-music-main-title .en {
    background: linear-gradient(90deg, #a855f7 0%, #818cf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    margin-left: 10px;
}

.dive-music-subtitle {
    font-size: 1.1rem;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
    color: rgba(255, 255, 255, 0.8);
}

/* 响应式样式 */
@media (max-width: 768px) {
    .dive-music-header-section {
        padding-top: 70px;
        padding-bottom: 100px;
    }
    
    .dive-music-main-title {
        font-size: 2rem;
        flex-direction: column;
    }
    
    .dive-music-subtitle {
        font-size: 0.95rem;
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .dive-music-header-section {
        padding-top: 50px;
        padding-bottom: 80px;
    }
    
    .dive-music-main-title {
        font-size: 1.7rem;
        display: flex;
        flex-direction: column;
    }
    
    .dive-music-main-title .en {
        margin-left: 0;
        margin-top: 5px;
    }
    
    .dive-music-subtitle {
        font-size: 0.9rem;
    }
}

/* ========== 4. 内容区1 ========== */
  /* 标题区域容器 */
  .content-music-section {
    position: relative;
    width: 100%;
    overflow: hidden;
    padding-top: 100px;
    padding-bottom: 120px;
    text-align: center;
}

/* 标题样式 */
.content-music-title-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 10;
}

.content-music-main-title {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.content-music-main-title .zh {
    color: #ffffff;
}

.content-music-main-title .en {
    background: linear-gradient(90deg, #a855f7 0%, #818cf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    margin-left: 10px;
}

.content-music-subtitle {
    font-size: 1.1rem;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
    color: rgba(255, 255, 255, 0.8);
}

/* 响应式样式 */
@media (max-width: 768px) {
    .content-music-header-section {
        padding-top: 70px;
        padding-bottom: 100px;
    }
    
    .content-music-main-title {
        font-size: 2rem;
        flex-direction: column;
    }
    
    .content-music-subtitle {
        font-size: 0.95rem;
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .content-music-header-section {
        padding-top: 50px;
        padding-bottom: 80px;
    }
    
    .content-music-main-title {
        font-size: 1.7rem;
        display: flex;
        flex-direction: column;
    }
    
    .content-music-main-title .en {
        margin-left: 0;
        margin-top: 5px;
    }
    
    .content-music-subtitle {
        font-size: 0.9rem;
    }
}

/* ================促销卡片容器=================== */
/* 促销卡片样式 */
.promo-card {
  background: linear-gradient(90deg, #b366ff 0%, #6366f1 100%);
  border-radius: 24px;
  padding: 60px 30px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(111, 66, 193, 0.3);
  margin: 40px 0;
}

.promo-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 25px;
  color: #ffffff;
}

.promo-description {
  font-size: 1.1rem;
  line-height: 1.6;
  max-width: 800px;
  margin: 0 auto 40px;
  color: rgba(255, 255, 255, 0.9);
}

.cta-button {
  display: inline-block;
  background-color: #ffffff;
  color: #7e22ce;
  font-size: 1.125rem;
  font-weight: 600;
  padding: 15px 35px;
  border-radius: 50px;
  text-decoration: none;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
  background-color: #f9f9f9;
}

.cta-button:active {
  transform: translateY(0);
}

/* 响应式样式 */
@media (max-width: 768px) {
  .promo-card {
      padding: 40px 20px;
  }
  
  .promo-title {
      font-size: 2rem;
  }
  
  .promo-description {
      font-size: 1rem;
      padding: 0 10px;
  }
}

@media (max-width: 480px) {
  .promo-card {
      padding: 30px 15px;
      border-radius: 16px;
  }
  
  .promo-title {
      font-size: 1.7rem;
  }
  
  .promo-description {
      font-size: 0.95rem;
  }
  
  .cta-button {
      padding: 12px 30px;
      font-size: 1rem;
  }
}
  
  /* ========== 5. 评论 (testimonial Container) ========== */
  .badge-container {
    background: var(--color-bg);
    padding: 40px 0;
    color: var(--color-text-title);
  }
  
  .testimonial-slider {
    background: var(--color-bg);
    padding: 40px 0;
  }
  
  .testimonial-slider h2 {
    color: var(--color-text-title);
    font-size: 2.5rem; 
    font-weight: 600; 
    line-height: 1.3;
    text-align: center;
    margin-bottom: 30px;
  }
  
  .testimonial-list {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
    box-sizing: border-box;
  }
  
  .testimonial-card {
    background: #262626;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.1);
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  }
  
  .testimonial-grid {
    display: grid;
    grid-template-columns: 1fr 120px 180px;
    gap: 15px;
    align-items: center;
  }
  
  .testimonial-content {
    grid-column: 1;
  }
  
  .testimonial-text {
    margin: 0;
    color: #fff;
    font-size: 1rem;
    font-style: italic;
    line-height: 1.6;
  }
  
  .testimonial-rating {
    grid-column: 2;
    display: flex;
    justify-content: center;
  }
  
  .star-icon {
    max-width: 120px;
    height: auto;
  }
  
  .testimonial-author-section {
    grid-column: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .testimonial-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: 10px;
  }
  
  .testimonial-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  .testimonial-author-name {
    color: rgba(255,255,255,0.8);
    font-weight: bold;
    font-size: 0.9rem;
  }
  
  /* 响应式调整 */
  @media (max-width: 768px) {
    .testimonial-grid {
      grid-template-columns: 1fr;
      text-align: center;
    }
    
    .testimonial-rating,
    .testimonial-author-section {
      grid-column: 1;
    }
  }
  
  /* ========== 6. FAQ 手风琴 (Accordion List) ========== */
  .strict-faq-section {
    /* background: var(--color-bg); */
    padding: 60px 0;
  }
  
  .strict-faq-header {
    text-align: center;
    margin-bottom: 40px;
  }
  
  .strict-main-title {
    color: var(--color-text-title);
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.3;
    margin: 0 auto 15px;
    max-width: 1200px;
    margin-bottom: 30px;
    text-align: center;
  }
  
  .strict-faq-container {
    max-width: 1200px;
    margin: 0 auto;
  }
  
  .strict-faq-item {
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 8px;
    margin-bottom: 16px;
    background: rgba(255,255,255,0.03);
    transition: all 0.3s ease;
  }
  
  .question-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    cursor: pointer;
  }
  
  .question-title {
    color: #FFF;
    font-size: 20px;
    font-weight: 500;
    margin: 0;
    flex: 1;
    padding-right: 20px;
  }
  
  .toggle-button {
    position: relative;
    width: 16px;
    height: 16px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }
  
  .plus-line {
    position: absolute;
    background: #FFF;
    transition: all 0.3s ease;
  }
  
  .horizontal {
    width: 100%;
    height: 2px;
    top: 50%;
    transform: translateY(-50%);
  }
  
  .vertical {
    width: 2px;
    height: 100%;
    left: 50%;
    transform: translateX(-50%);
  }
  
  /* 展开状态 */
  .strict-faq-item.active .vertical {
    opacity: 0;
    transform: translateX(-50%) rotate(90deg);
  }
  
  .strict-faq-item.active .toggle-button {
    transform: rotate(45deg);
  }
  
  .answer-content {
    font-size: 1rem;
    display: none;
    padding: 15px 30px 30px;
    color: rgba(255,255,255,0.85);
    border-top: 1px solid rgba(255,255,255,0.1);
  }
  
  .answer-content ol {
    margin: 0;
    padding-left: 20px;
  }
  
  .answer-content li {
    margin-bottom: 8px;
    line-height: 1.6;
  }
  
  /* 激活状态 */
  .strict-faq-item.active {
    background: rgba(255,255,255,0.05);
    border-color: rgba(255,255,255,0.3);
  }
  
  .strict-faq-item.active .answer-content {
    display: block;
  }

  /* === 响应式调整 === */
  @media (max-width: 768px) {
    .strict-main-title {
      font-size: 1.5rem;
      padding: 0 1rem;
    }

    .strict-subtitle {
      font-size: 1rem;
    }

    .question-header {
      padding: 1rem;
    }

    .question-title {
      font-size: 1rem;
    }

    .toggle-button {
      width: 20px;
      height: 20px;
    }

    .answer-content {
      padding: 0 1rem 1rem;
      font-size: 0.9375rem;
    }

    .answer-content ol {
      padding-left: 1.25rem;
    }
  }

  @media (max-width: 480px) {
    .strict-faq-section {
      padding: 2rem 0;
    }

    .strict-main-title {
      font-size: 1.25rem;
      margin-bottom: 0.5rem;
    }

    .strict-subtitle {
      font-size: 0.875rem;
    }

    .strict-faq-item {
      margin-bottom: 0.75rem;
    }

    .question-header {
      padding: 0.75rem;
    }

    .answer-content li {
      font-size: 0.875rem;
    }
  }
  
  /* 简单的JS交互可以在主题里或单独JS文件里写：
     让 .accordion-button 点击后展开 .accordion-content
  */
  
  /* ========== 错误和无数据提示 ========== */
  .error-card {
    background: rgba(255,107,107,0.1);
    border: 1px solid rgba(255,107,107,0.3);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    margin: 2rem auto;
    max-width: 600px;
  }
  .error-card h3 {
    color: var(--color-accent);
    margin-bottom: 1rem;
    font-size: 2rem; 
    font-weight: 600; 
    line-height: 1.4;
  }
  
  .no-data {
    text-align: center;
    padding: 3rem 1rem;
    color: rgba(255,255,255,0.7);
    width: 100%;
  }
  .no-data svg {
    margin-bottom: 1rem;
    opacity: 0.6;
  }
  
  /* ========== 响应式简单处理 ========== */
  @media (max-width: 768px) {
    .hero-banner h1 {
      font-size: 2rem;
    }
    .platform-grid .grid {
      grid-template-columns: 1fr 1fr;
    }
    .numbered-steps ol {
      padding-left: 1rem;
    }
    .accordion-button {
      font-size: 1rem;
    }
  }

 /* 页脚样式 */
.site-footer {
  background-color: #0f0f0f;
  padding: 40px 0 20px;
  box-sizing: border-box;
}

.footer-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

/* Logo 部分样式 */
.footer-logo-column {
  flex: 0 0 auto;
  width: 25%;
  margin-bottom: 30px;
}

.footer-logo img {
  max-width: 180px;
  height: auto;
  margin-bottom: 15px;
}

.footer-logo-text {
  color: #A5A5A5;
  font-size: 14px;
  margin-bottom: 20px;
}

.footer-social-icons {
  display: flex;
  gap: 15px;
  margin-top: 15px;
}

.footer-social-icons a {
  color: #A5A5A5;
  font-size: 20px;
  transition: color 0.3s ease;
}

.footer-social-icons a:hover {
  color: #ffffff;
}

/* 各个栏目样式 */
.footer-column {
  flex: 0 0 auto;
  width: 18%;
  margin-bottom: 30px;
}

.footer-column h5 {
  color: #ffffff;
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #A5A5A5;
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: #ffffff;
}

/* 底部版权部分 */
.footer-bottom {
  border-top: 1px solid #333333;
  padding-top: 20px;
  max-width: 1170px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  flex-direction: row;
}

.copyright {
  font-size: 16px;
  font-weight: 400;
  text-transform: capitalize;
  font-style: normal;
  text-decoration: none;
  line-height: 1em;
  letter-spacing: 0.5px;
  word-spacing: 0px;
  color: var(--e-global-color-9186158);
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

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

.footer-bottom-links a {
  color: #777;
  text-decoration: none;
  font-size: 13px;
  transition: color 0.3s ease;
  margin-left: 5px;
  margin-right: 5px
}

.footer-bottom-links a:hover {
  color: #ffffff;
}

.footer-bottom-links-icon-list-text {
  color: #94A3B8; 
  transition: color 0.3s;
}

/* 响应式设计 */
@media (max-width: 991px) {
  .footer-logo-column {
    width: 100%;
    text-align: center;
    margin-bottom: 30px;
  }
  
  .footer-column {
    width: 50%;
    padding: 0 15px;
  }
  
  .footer-social-icons {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .footer-container {
    flex-direction: column;
  }
  
  .footer-column {
    width: 100%;
    margin-bottom: 30px;
    text-align: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 15px;
    text-align: center;
  }
  
  .footer-bottom-links {
    justify-content: center;
    flex-wrap: wrap;
  }
}
/* 返回顶部按钮样式 */
#back-to-top {
  position: fixed;
  bottom: 40px;
  right: 40px;
  width: 40px;
  height: 40px;
  background-color: #5f19d9;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  display: none;
  font-size: 18px;
  z-index: 1000;
  transition: opacity 0.3s, background-color 0.3s;
}

#back-to-top:hover {
  background-color: #7129FF;
}

/* 响应式调整 */
@media (max-width: 480px) {
  #back-to-top {
    bottom: 15px;
    right: 15px;
    width: 36px;
    height: 36px;
    font-size: 16px;
  }
}