/* ========== 全局 Reset & 基础布局 ========== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  html, body {
    height: 100%;
    font-family: 'Open Sans', sans-serif;
  }
  body {
    font-weight: 400;
    display: flex;
    flex-direction: column;
  }
  .page-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100%;
  }
  .page-content {
    flex: 1;
    padding-top: 4rem; /* 如果 header 高度是 4rem，可调整 */
  }
  
  /* ========== Header ========== */
  .site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    background: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    z-index: 1000;
    padding: 1rem 0;
  }
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .site-logo img {
    height: 50px;
    display: block;
  }
  
  /* 导航 */
  .site-nav { display: none; }
  .mobile-menu-toggle {
    display: block;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
  }
  .nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: .5rem;
  }
  .nav-list a {
    text-decoration: none;
    color: #333;
    text-transform: uppercase;
    font-weight: 500;
  }
  .site-nav.is-open { display: block; }
  
  @media (min-width: 768px) {
    .mobile-menu-toggle { display: none; }
    .site-nav { display: block; margin-left: auto; }
    .nav-list {
      flex-direction: row;
      gap: 24px;
      margin-top: 0;
    }
  }
  
  /* ========== Download Hero 区域 ========== */
  .download-hero {
    position: relative;
    background: url('https://assets.slarkvan.com/image/desktopcontatti_image1.jpg') center/cover no-repeat;
    height: 60vh;
    overflow: hidden;
    margin-top: -4rem; /* 保证在 header 之下 */
    padding-top: 4rem; /* 再给内部留同样的间距，确保内容不被导航栏挡住 */
  }
  .download-hero__overlay {
    position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 90%;
  max-width: 800px;
  /* 改成竖直排列，居中对齐 */
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.5rem;
}
  .download-hero__title {
    font-size: clamp(2.5rem,8vw,5rem);
    color: #fff;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
  }
/* ========== 搜索框容器 ========== */
.download-search {
    display: flex;
    gap: 1rem;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;     /* 居中 */
  }
  
  /* 输入区自动撑满剩余空间 */
  .download-search__input {
    position: relative;
    flex: 1;
  }
  
  /* 文本输入框 */
  .download-search__input input {
    width: 100%;
    padding: 0.75rem 3rem 0.75rem 1rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
  }
  
  /* 放大镜图标（如果是按钮，保持可点击） */
  .download-search__input .search-icon {
    position: absolute;
    top: 50%;
    right: 0.75rem;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
  }
  
  /* 提交按钮 */
  .download-search__btn {
    flex: 0 0 180px;     /* 初始固定宽度 */
    background: #C01C20;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: flex-basis 0.2s, font-size 0.2s;
  }
  
  /* 中等屏：按钮略微变小 */
  @media (max-width: 1200px) {
    .download-search__btn {
      flex: 0 0 150px;
    }
  }
  
  /* 小平板：按钮和输入框字体更紧凑 */
  @media (max-width: 992px) {
    .download-search__btn {
      flex: 0 0 130px;
      font-size: 0.9rem;
    }
    .download-search__input input {
      padding: 0.6rem 2.5rem 0.6rem 0.8rem;
    }
  }
  
  /* 手机窄屏：上下堆叠，宽度 100% */
  @media (max-width: 767px) {
    .download-search {
      flex-direction: column;
    }
    .download-search__input,
    .download-search__btn {
      width: 100%;
      flex: none;
    }
    .download-search__btn {
      font-size: 1rem;
    }
  }
  
  /* contact-style.css */
* { box-sizing: border-box; margin:0; padding:0; }
body {
  font-family: 'Open Sans', sans-serif;
  font-weight:400;
  line-height:1.6;
  background:#fafafa;
  color:#333;
}
.contact-page {
  display: flex;
  flex-wrap: wrap;
  max-width:1200px;
  margin:2rem auto;
  gap:2rem;
}
/* —— 左侧表单 —— */
.contact-form {
  flex:1 1 600px;
  background:#fff;
  padding:2rem;
  border-radius:8px;
  box-shadow:0 2px 8px rgba(0,0,0,0.05);
}
.contact-form h1 {
  font-size:1.75rem;
  margin-bottom:1rem;
}
.contact-form .note {
  font-size:0.9rem;
  margin-bottom:1.5rem;
}
.contact-form .note a {
  color:#C01C20;
  text-decoration:underline;
}
.form fieldset { border:0; margin:0; }
/* 通用字段组 */
.field-group {
  margin-bottom:1.25rem;
}
.field-row {
  display:flex;
  gap:1rem;
}
.field-row .field-group { flex:1; }
.field-group label {
  display:block;
  margin-bottom:0.5rem;
  font-size:0.9rem;
  font-weight:600;
}
.field-group input,
.field-group select,
.field-group textarea {
  width:100%;
  padding:0.75rem 1rem;
  border:1px solid #ddd;
  border-radius:4px;
  font-size:1rem;
}
.field-group textarea {
  resize:vertical;
}
/* 隐私说明 */
.privacy-text {
  font-size:0.9rem;
  margin:1.5rem 0;
  text-align: left
}
/* 同意选项 */
.consent p {
  font-weight:600;
  margin-bottom:0.5rem;
}
.field-group.consent,
.consent {
  display: flex;
  flex-direction: column;
  align-items: flex-start; /* 强制子元素都靠左 */
  gap: 0.5rem;             /* 各行之间垂直间距 */
  margin-bottom: 1.5rem;   /* 与下方按钮留空 */
}
/* —— 每一行输入框 + 文本 —— */
.field-group.consent label,
.consent label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  cursor: pointer;
  white-space: nowrap;     /* 文本不换行 */
}
.btn-submit {
  display:inline-block;
  padding:0.75rem 1.5rem;
  background:#C01C20;
  color:#fff;
  border:none;
  border-radius:4px;
  font-size:1rem;
  cursor:pointer;
}
.btn-submit:hover {
  background:#791213;
}

/* —— 右侧侧边栏 —— */
.contact-info {
  flex:0 0 300px;
  display:flex;
  flex-direction:column;
  gap:1.5rem;
}
.info-box {
  background:#fff;
  padding:1rem;
  border-radius:8px;
  box-shadow:0 2px 8px rgba(0,0,0,0.05);
}
/* 地图链接 */
.info-box .map-link {
  margin-top: 0.5rem;
  text-align: left;           /* 链接左对齐 */
}

.info-box .map-link a {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  color: #C01C20;
  text-decoration: none;
  border: 1px solid #C01C20;
  border-radius: 4px;
  font-size: 0.9rem;
  transition: background 0.2s, color 0.2s;
}

.info-box .map-link a:hover {
  background: #C01C20;
  color: #fff;
}
.info-box h2 {
  font-size:1rem;
  margin-bottom:0.5rem;
  text-transform:uppercase;
  font-weight:600;
}
}
.info-box h3 {
  margin-bottom: 1rem;
  text-align: center;
}
.info-box__list {
  display: grid;
  gap: 0.5rem;
}
.info-box__row {
  display: grid;
  grid-template-columns: 1fr auto;
  padding: 0.5rem 0;
  border-top: 1px solid #eee;
}
.info-box__row:first-child {
  border-top: none;
}
.info-box p,
.info-box a {
  font-size:0.9rem;
  color:#333;
  text-decoration:none;
}
.info-box a:hover {
  text-decoration:underline;
}

/* —— 响应式 —— */
@media (max-width: 992px) {
  .contact-page {
    flex-direction:column;
  }
  .field-row {
    flex-direction:column;
  }
  .contact-info {
    flex:1 1 auto;
  }
}

/* ========== Newsletter ========== */
.newsletter {
    padding: 4rem 0;
    margin-top: 5rem;
  }
  .newsletter__inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    gap: 2rem;
  }
  .newsletter__input {
    flex: 1 1 300px;
    padding: 0.75rem 1rem;
    border-radius: 9999px;
    border: 1px solid #DDD;
  }
  .newsletter__btn {
    padding: 0.75rem 2rem;
    border-radius: 9999px;
    border: none;
    background-color: #C01C20;
    color: #FFF;
  }
  
  /* ========== Footer ========== */
  .site-footer {
    background: #000;
    color: #FFF;
    padding: 2rem 0;
  }
  .footer__inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    gap: 1rem;
  }
  .footer__socials a {
    margin-right: 0.5rem;
  }
  .footer__socials img {
    width: 24px;
    height: auto;
  }
  
  /* ===== Newsletter Signup ===== */
  .newsletter {
    background: #fff;
    padding: 4rem 0;
  }
  
  .newsletter__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
  }
  
  .newsletter__text {
    flex: 1 1 300px;
  }
  
  .newsletter__title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
  }
  
  .newsletter__subtitle {
    font-size: 1rem;
    color: #666;
  }
  
  .newsletter__form {
    flex: 1 1 300px;
    display: flex;
    gap: 0.5rem;
  }
  
  .newsletter__input {
    flex: 1;
    padding: 0.75rem 1rem;
    height: au;
    border: 1px solid #ddd;
    border-radius: 9999px 0 0 9999px;
    font-size: 1rem;
  }
  
  .newsletter__btn {
    padding: 0 1.5rem;
    width: 30%;
    background-color: #C01C20;
    color: #fff;
    border: none;
    border-radius: 0 9999px 9999px 0;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
  }
  
  .newsletter__btn:hover {
    background-color: #621c1c;
  }
  
  /* Mobile: form 堆叠 */
  @media (max-width: 600px) {
    .newsletter__inner {
      flex-direction: column;
      align-items: stretch;
    }
    .newsletter__form {
      flex-direction: column;
    }
    .newsletter__input,
    .newsletter__btn {
      border-radius: 9999px;
    }
  }
  
  /* ===== Footer ===== */
  .site-footer {
    background: #000;
    color: #fff;
    padding: 2rem 0;
    height: 300px
  }
  
  .footer__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
  }
  
  .footer__socials a img {
    width: 24px;
    height: auto;
    margin-right: 0.5rem;
  }
  
  .footer__socials {
    flex: 1 1 200px;
  }
  
  .footer__copyright {
    flex: 1 1 200px;
    text-align: center;
    font-size: 0.9rem;
  }
  
  .footer__logo img {
    height: 40px;
    width: auto;
  }
  
  .footer__logo {
    flex: 1 1 200px;
    text-align: right;
  }
  
  /* Mobile: 堆叠居中 */
  @media (max-width: 600px) {
    .footer__inner {
      flex-direction: column;
      text-align: center;
    }
    .footer__socials,
    .footer__copyright,
    .footer__logo {
      flex: none;
      margin-bottom: 1rem;
    }
    .footer__socials a img {
      margin-right: 1rem;
    }
  }
  
  /* 1) 让 html、body 占满整个视口高度 */
  html, body {
    height: 100%;
    margin: 0;          /* 清除默认 margin */
    padding: 0;
  }
  
  /* 2) body 作为 flex 容器，纵向排列 */
  body {
    display: flex;
    flex-direction: column;
  }
  
  /* 3) 主内容区自动拉伸 */
  .page-content {
    flex: 1;            /* 占据 header/footer 以外的所有剩余空间 */
  }
  
  /* 4) footer 固定在底部，不拉伸 */
  .site-footer {
    flex-shrink: 0;
  }