* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/*全局通用：隐藏所有滚动条*/
html,
body,
div,
table {
  scrollbar-width: none;
  -ms-overflow-style: none;
  transition: all 0.3s;
  /* 动画：定义全局0.2秒缓慢淡入，结束保持可见状态 */
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;

}

body {
  height: 100vh;
  overflow-X: hidden;
  overflow-y: hidden;
  display: flex;
  flex-direction: column;
  text-align: justify;
  text-align-last: left;
  word-break: break-all;
}


/*导航 电脑端*/
@media {
  .header-bar {
    position: sticky;
    position: sticky;
    top: 0;
    z-index: 100;
    flex-shrink: 0;
    box-sizing: border-box;
    height: auto;
    padding: 0px 0px;
    background: var(--monocolz);
    box-shadow: 0 2px 3px rgba(var(--maincol1-rgb), 0.15);

  }

  .navbar {
    background: rgba(var(--monocolz-rgb), 0.65);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border-radius: 12px;
    padding: 5px 5%;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    transition: all 1.3s;
  }

  #navdata {
    min-height: 50px;
    /* 预留给导航菜单的空间 */
    display: flex;
    align-items: center;
  }


  .logo-area {
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .logo {
    font-weight: 500;
    font-size: 25px;
    letter-spacing: 1px;
    color: var(--maincol2);
  }

  .logo-img {
    height: 30px;
    width: auto;
  }

  /* 汉堡按钮 (移动端) */
  .nav-toggle {
    display: none;
  }

  /* 导航菜单 — 默认展开 (桌面) */
  .nav-menu {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 5px 15px;
    list-style: none;
    background: transparent;
  }

  .nav-menu li {
    position: relative;
  }

  .nav-menu a {
    display: block;
    padding: 6px 4px;
    color: var(--monocol1);
    text-decoration: none;
    font-weight: 450;
    border-bottom: 2px solid transparent;
    transition: border-color 0.15s, color 0.1s;
    font-size: 15px;
    white-space: nowrap;
  }

  .nav-menu a:hover,
  .nav-menu a:focus-visible {
    border-bottom-color: var(--maincol2);
    color: var(--maincol2);
  }

  /* 下拉菜单 (子菜单) */
  .dropdown {
    position: relative;
  }

  .dropdown>a::after {
    content: " ▿";
    font-size: 10px;
    opacity: 0.6;
    margin-left: 3px;
  }

  .dropdown-content-wrapper {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 0px;
    z-index: 10;
    background: none;
    padding-top: 15px;
  }

  .dropdown-content {
    background: rgba(var(--monocolz-rgb), 0.8);
    min-width: 160px;
    border: 1px solid rgba(var(--monocolz-rgb), 1);
    border-radius: 10px;
    padding: 10px;
    backdrop-filter: blur(5px);

  }

  .dropdown-content a {
    padding: 8px 15px;
    border-bottom: none;
    white-space: nowrap;
    font-weight: 400;
    color: var(--monocol3);
  }

  .dropdown-content a:hover {
    background: rgba(var(--monocolz-rgb), 0.8);
    border-radius: 8px;
    color: var(--monocol1);
    border-bottom: none;
  }

  /* 显示下拉 (hover / focus 管理) */
  .dropdown:hover .dropdown-content-wrapper,
  .dropdown:focus-within .dropdown-content-wrapper {
    display: block;
  }
}

/* ---- 导航 自适应 (移动端下拉) ---- */
@media screen and (max-width: 720px) {
  .navbar {
    padding: 5px 20px
  }

  .logo-area {
    width: 100%;
    justify-content: space-between;
  }

  .logo {
    font-size: 18px;
  }

  .nav-toggle {
    display: inline-block;
    background: transparent;
    font-size: 20px;
    line-height: 1;
    color: var(--monocol2);
    cursor: pointer;
    transition: 0.15s;
  }

  .nav-toggle:hover {
    background: transparent;
  }

  .nav-toggle:focus-visible {
    outline: 2px solid var(--monocol4);
    outline-offset: 2px;
  }


  .nav-menu {
    display: none;
    flex-direction: column;
    width: 100%;
    background: none;
    padding: 15px 10px;
    border-top: 1px dotted var(--monocol5);
    margin-top: 10px;
    gap: 5px;
  }

  .nav-menu.active {
    display: flex;
  }

  .nav-menu li {
    width: 100%;
  }

  .nav-menu a {
    padding: 10px 12px;
    border: none;
    border-bottom: none;
    width: 100%;
    white-space: normal;

  }

  .nav-menu a:hover {
    color: var(--monocol1);
    border-radius: 8px;
    background: rgba(var(--monocola-rgb), 0.06);
    border-bottom: none;
  }

  .dropdown-content-wrapper {
    position: static;
    display: none;
    padding-top: 5px;
  }

  /* 下拉在移动端变成展开样式 */
  .dropdown-content {
    border: none;
    background: rgba(var(--monocola-rgb), 0.03);
    border-radius: 10px;
    padding: 10px;
  }

  .dropdown:hover .dropdown-content-wrapper,
  .dropdown:focus-within .dropdown-content-wrapper {
    display: block;
  }

  .dropdown-content a {
    padding: 10px 15px
  }


}

/*页脚-电脑端*/
@media {
  .foot {
    background: rgba(var(--maincol1-rgb), 0.1);
    padding: 0;

  }

  .foot-contect {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 20px;
    padding: 30px 5%;
    font-size: 13px;
    border-top: 0.95px solid rgba(var(--maincol1-rgb), 0.3);
  }

  .foot-contect-left {
    color: var(--maincol2);
  }

  .foot-contect-left h1 {
    display: flex;
    gap: 5px;
    align-item: center;
    font-size: 20px;
    font-weight: 300;
    margin-bottom: 10px
  }

  .foot-contect-left h2 {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 5px;
    align-item: center;
    font-size: 13px;
    font-weight: 400;
    margin-top: 6px
  }

  .foot-contect-left h2 span {
    display: flex;
    gap: 5px;
    align-item: center;
    line-height: 1
  }

  .foot-contect-right {
    display: flex;
    gap: 10px;
    align-items: center;
    justify-content: flex-end;
  }

  .foot-contect-right img {
    width: 100px;
    height: auto;
  }

  .foot-icp {
    padding: 25px 5% 25px 5%;
    background: rgba(var(--maincol1-rgb), 0.1);
  }

  .foot-icp hr {
    border: 0.95px solid rgba(var(--monocolz-rgb), 0.8);
    margin-bottom: 10px;
  }

  .foot-icp p {
    font-size: 13.5px;
    color: var(--maincol2);
    margin-bottom: 3px
  }

  .foot-icp a {
    color: var(--maincol2);
    font-size: 12.5px;
    font-weight: 300;
    text-decoration: none;
    cursor: pointer;
  }

  .foot-icp a:hover {
    color: var(--maincol1);
  }
}

/*页脚-手机端*/
@media (max-width:768px) {
  .foot-contect {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 25px 20px;
    color: var(--monocol5);
    font-size: 13px;
  }

  .foot-contect-left h1 {
    font-size: 18px;
  }

  .foot-contect-left h2 {
    font-size: 12.5px;
    margin-top: 4px
  }

  .foot-contect-right {
    justify-content: flex-start;
    margin-top: 10px
  }

  .foot-contect-right img {
    width: 80px;
    height: auto;
  }

  .foot-icp {
    padding: 15px 20px;
  }

  .foot-icp hr {
    border: 0.95px solid rgba(var(--monocolz-rgb), 0.5);
    margin-bottom: 10px;
  }

  .foot-icp p {
    font-size: 12px;
    color: var(--monocol4);
    line-height: 15px
  }

  .foot-icp a {
    font-size: 11px;
    color: var(--monocol4);
  }
}



.container {
  margin: 0 auto;
  width: 100%;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  min-height: 0;
  
}

.mainbody {
  padding: 110px 12.5%;
}



/* ===== 文章卡片样式 ===== */
.mainbody {
  padding: 40px 12.5%;
}

.al-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
}

.al-card {
  background: rgba(var(--monocolz-rgb), 0.65);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  border-radius: 6px;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}

.al-card:hover {
  transform: translateY(-2px);
}

.al-card-style {
  display: grid;
  grid-template-columns: auto 1fr;
}

.al-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.al-card-cover {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--maincol3);
  display: flex;
  align-items: center;
  justify-content: center;
  height: 150px;
}

.al-card-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.al-card-cover-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.al-card-cover-placeholder i {
  font-size: 48px;
  color: var(--maincol4);
}

.al-card-body {
  padding: 15px 20px;
}

.al-card-title {
  font-size: 15px;
  font-weight: 550;
  color: var(--monocol1);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 20px;
  height: 40px;
}

.al-card-subtitle {
  font-size: 12px;
  color: var(--monocol4);
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 15px;
  margin-top: 5px;
}

.al-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  align-items: center;
  font-size: 12px;
  font-weight: 500;
  color: var(--maincol1) !important;

}

.al-card-category {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 5px;
  background: rgba(var(--subcol2-rgb), 1);
  color: var(--monocolz);
  font-weight: 500;
  font-size: 12px;
  line-height: 13px;
}

.al-card-type {
  color: var(--maincol2);
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.al-card-date {
  color: var(--monocol4);
  margin-left: auto;
}

.al-more-wrap {
  text-align: center;
  margin-top: 32px;
}

.al-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0;
  border: none;
  color: var(--maincol2);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.2s;
  background: none;
}

.al-more-btn:hover {
  color: var(--subcol1);
}

.al-empty {
  text-align: center;
  padding: 60px 0;
  color: var(--monocol1);
}

.al-empty i {
  font-size: 48px;
  display: block;
  margin-bottom: 12px;
}

.al-loading {
  text-align: center;
  padding: 60px 0;
  color: var(--monocol4);
  font-size: 14px;
}


@media (max-width: 768px) {
  .al-grid {
    grid-template-columns: repeat(1, 1fr);
  }
.al-card-cover {
            height: 140px;
        }
  .mainbody {
    padding: 20px 20px;
  }

  .al-card-title {
    font-size: 13px;
  }

  .al-card-body {
    padding: 10px 15px;
  }
}

/* 封面图叠加层（不影响加载速度，纯 CSS） */
.al-card-cover {
  position: relative;
}

.al-card-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(var(--monocola-rgb), 0.025);
  pointer-events: none;
}
/* ===== 留言表单 ===== */
.msg-body{padding:0 12.5%}
.msg-form-wrap {
  margin: 30px auto;
  padding: 35px 60px;
  background: rgba(var(--maincol1-rgb), 0.05);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  border-radius: 12px;
  border: none;
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap:30px
}
.msg-form-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--monocol1);
  margin-bottom: 15px;
  text-align: center;
}
.msg-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 10px;
}
.msg-form-group { margin-bottom: 14px; }
.msg-form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--monocol2);
  margin-bottom: 4px;
}
.msg-required { color: var(--popcol1); }
.msg-form-group input,
.msg-form-group textarea,
.msg-form-group select {
  width: 100%;
  padding: 8px 15px;
  border: 1px solid rgba(var(--maincol1-rgb), 0.3);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  background: rgba(var(--monocolz-rgb), 0.9);
  color: var(--monocol1);
  outline: none;
  transition: border-color 0.15s;
}
.msg-form-group input:focus,
.msg-form-group textarea:focus,
.msg-form-group select:focus {
  border-color: var(--maincol2);
}
.msg-form-group textarea { resize: vertical; min-height: 120px; }
.msg-form-footer {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
}
.msg-submit-btn {
  padding: 5px 20px;
  border: none;
  border-radius: 9px;
  background: var(--maincol1);
  color: var(--monocolz);
  font-size: 14px;
  line-height: 20px;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.2s;
}
.msg-submit-btn:hover { opacity: 0.85; }
.msg-submit-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.msg-status { font-size: 13px; }
.msg-info { color: var(--maincol2); }
.msg-success { color: var(--subcol2); }
.msg-error { color: var(--popcol1); }
.message-note {margin-top:10px;text-align: justify;
  text-align-last: left;
  word-break: break-all;}
.message-note h1{font-size:15px;color: var(--maincol1);margin-top: 60px;}

.message-note h2{font-size:13.5px;line-height: 14px; color: var(--maincol2);margin-top: 10px;display: grid; grid-template-columns:auto auto 1fr; gap:5px;align-items: start;}
.message-note span{font-size:12.5px;color: var(--maincol2);font-weight: 400; line-height: 18px;}
.message-note p{font-size:12.5px;color: var(--maincol2);font-weight: 400;margin-top: 8px;}
@media (max-width: 768px) {

.msg-body{padding:0 20px}

  .msg-form-wrap { margin: 30px 0; padding: 20px;
  grid-template-columns:1fr;
  gap:10px }
  .msg-form-row { grid-template-columns: 1fr; }
.message-note h1{margin-top: 10px;}
}