/* From https://css.glass */
.zhuti{
/* From https://css.glass */
    background: rgba(11, 63, 132, 0.82);
    border-radius: 16px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(7.5px);
    -webkit-backdrop-filter: blur(7.5px);
    border: 1px solid rgba(11, 63, 132, 0.25);
    z-index: 10;
}
.glass-effect {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border-radius: 26px;
  border: 1px solid rgba(255, 255, 255, 0.44);
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.23);
}
.skew-rectangle {
    width: 16%;
    height: 100%;
    background: linear-gradient(45deg, #3498db, #2980b9);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin: 20px;
    z-index: 10;
}
.gradient-skew {
    transform: skewX(-15deg);
    background: rgba(11, 63, 132, 0.82);
    position: relative;
    overflow: hidden;
    -webkit-box-shadow:6px 6px 6px 2px rgba(0,0,0,0.38);
    -moz-box-shadow:6px 6px 6px 2px rgba(0,0,0,0.38);
    box-shadow:6px 6px 6px 2px rgba(0,0,0,0.38);
}
.container {
    display: flex; /* 启用弹性布局 */
    flex-direction: column; /* 垂直排列 */
    /*border: 1px solid #ccc;*/
}
/* 展示区域 */
/* 改进展示区域动画 */
.show_on {
    width: 82%;
    height: 96%;
    background: rgba(11, 63, 132, 0.92);
    -webkit-box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    -moz-box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    position: fixed;
    top: 100%; /* 初始位置在屏幕下方 */
    left: 58%;
    transform: translate(-50%, 0);
    z-index: 5;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
    opacity: 0;
    visibility: hidden;
}

.show_on.show {
    top: 50%;
    left: 58%;
    transform: translate(-50%, -50%);
    opacity: 1;
    visibility: visible;
}

/* 添加内容区域样式 */
.content-area {
    padding: 30px;
    color: white;
    height: 90%;
    overflow-y: auto;
    z-index: 3;
}

.content-title {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 20px;
    text-align: center;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.content-text {
    font-size: 1rem;
    line-height: 1.6;
    text-align: justify;
}

/* 关闭按钮 */
.close-btn {
    position: absolute;
    top: 15px;
    right: 20px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

/* 改进其他元素透明度变化 */
.fade-out {
    opacity: 0.2 !important;
    transition: opacity 0.8s ease;
}

.bg-fade {
    opacity: 0.2 !important;
    transition: opacity 0.8s ease;
}

.bigp_item{
    text-align: center;
    line-height: 50px;
    border-bottom: 1px solid #ccc; /* 分割线 */
}

.bigp_text{
    text-align: center;
    line-height: 50px;
    font-size: 24px;
    transition: all 0.3s ease;
    width: 190px;
    position: relative;
    cursor: pointer;
    overflow: hidden;
}

.bigp_text:hover {
    transform: translateY(-5px); /* 向上浮动效果 */
}

.bigp_text::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background-color: white;
    transition: width 0.3s ease;
    z-index: 1;
}

.bigp_text:hover::before {
    width: 100%; /* 从左边向右边填满颜色 */
}

/* 可选：添加更明显的背景变化效果 */
.bigp_text:hover {
    background-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 8px rgba(255, 255, 255, 0.2);
}

/* 平移动画样式 */
.slide-to-right {
    transform: translateX(-320px) !important;
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* 其他元素变透明 */
.fade-out {
    opacity: 0.3 !important;
    transition: opacity 0.8s ease;
}

/* 高亮当前点击的项目 */
.bigp_text.active {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0.2)) !important;
    transform: translateY(-8px) scale(1.08);
    box-shadow:
        0 8px 20px rgba(255, 255, 255, 0.4),
        0 0 0 2px rgba(255, 255, 255, 0.6) inset;
    color: #ffffff;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
    z-index: 10;
    position: relative;
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}


/* 为矩形容器添加过渡效果 */
.gradient-skew {
    transform: skewX(-15deg);
    background: rgba(11, 63, 132, 0.82);
    position: relative;
    overflow: hidden;
    -webkit-box-shadow:6px 6px 6px 2px rgba(0,0,0,0.38);
    -moz-box-shadow:6px 6px 6px 2px rgba(0,0,0,0.38);
    box-shadow:6px 6px 6px 2px rgba(0,0,0,0.38);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* 背景图片的透明度变化 */
.bg-fade {
    opacity: 0.3 !important;
    transition: opacity 0.8s ease;
}
/* 添加波纹效果样式 */
.ripple {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: translate(-50%, -50%);
    animation: rippleEffect 0.6s linear;
    pointer-events: none;
}

@keyframes rippleEffect {
    to {
        width: 200px;
        height: 200px;
        opacity: 0;
    }
}
/* 个人简介 - 蓝色系渐变 */
/* 个人简介 - 深邃蓝渐变（贴合夜空主风格） */
.colocrsd_1 {
    background: linear-gradient(135deg, #0f172a, #1e3a8a, #3b82f6);
}

/* 摄影作品 - 暖橙渐变（在夜空中点缀温暖感） */
.colocrsd_2 {
    background: linear-gradient(135deg, #1c1917, #78350f, #f59e0b);
}

/* 参与项目 - 青绿渐变（在夜空中营造生机感） */
.colocrsd_3 {
    background: linear-gradient(135deg, #0f1f1a, #064e3b, #10b981);
}

/* 游戏爱好 - 靛紫渐变（呼应夜空的梦幻感） */
.colocrsd_4 {
    background: linear-gradient(135deg, #1a102a, #4c1d95, #8b5cf6);
}

/* 博客文章 - 深海蓝渐变（和主背景深度呼应） */
.colocrsd_5 {
    background: linear-gradient(135deg, #0f172a, #1e3a8a, #3b82f6);
}

/* 其他 - 深空灰渐变（保持夜空的沉稳感） */
.colocrsd_6 {
    background: linear-gradient(135deg, #1f2937, #374151, #6b7280);
}
/*457.09*/
/* 菜单从右上往左下移动动画 */
@keyframes menuSlideIn {
    0% {
        transform: translate(100px, -300px) skewX(-15deg);
        opacity: 0;
    }
    100% {
        transform: translate(0, 0) skewX(-15deg);
        opacity: 1;
    }
}

.menu-slide-in {
    animation: menuSlideIn 1.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* 菜单初始隐藏状态 - 沿着倾斜角度 */
.menu-container-hidden {
    opacity: 0;
    transform: translate(500px, -500px) skewX(-15deg);
}

/* 公共告示区域样式 */
.public-notice {
    position: fixed;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    width: 300px;
    height: 400px;
    background: rgba(11, 63, 132, 0.95);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    z-index: 4;
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.public-notice.hidden {
    transform: translateY(-50%) translateX(350px);
    opacity: 0;
    visibility: hidden;
}

.notice-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(11, 63, 132, 0.8);
    border-radius: 15px 15px 0 0;
}
.notice-hub {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(11, 63, 132, 0.8);
    border-radius: 0 0 15px 15px;
}
.notice-hub h3 {
    margin: 0;
    color: white;
    font-size: 1.2rem;
    font-weight: bold;
}


.notice-header h3 {
    margin: 0;
    color: white;
    font-size: 1.2rem;
    font-weight: bold;
}

.notice-close-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.notice-close-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.notice-content {
    padding: 15px;
    height: calc(90% - 60px);
    overflow-y: auto;
    color: white;
}

.notice-item {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 15px;
    border-left: 4px solid #3498db;
    transition: all 0.3s ease;
}

.notice-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(5px);
}

.notice-title {
    font-weight: bold;
    font-size: 1rem;
    margin-bottom: 8px;
    color: #ecf0f1;
}

.notice-text {
    font-size: 0.9rem;
    line-height: 1.4;
    margin-bottom: 8px;
    color: #bdc3c7;
}

.notice-time {
    font-size: 0.8rem;
    color: #95a5a6;
    text-align: right;
}

/* 滚动条样式 */
.notice-content::-webkit-scrollbar {
    width: 6px;
}

.notice-content::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.notice-content::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

.notice-content::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

/* 备案号样式 */
.notice-footer {
    padding: 15px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(11, 63, 132, 0.8);
    border-radius: 0 0 15px 15px;
    text-align: center;
}

.record-number {
    margin-bottom: 8px;
}

.record-number a {
    color: #ecf0f1;
    text-decoration: none;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.record-number a:hover {
    color: #3498db;
    text-decoration: underline;
}

.copyright {
    color: #bdc3c7;
    font-size: 0.8rem;
}

/* 调整公告内容区域高度，为备案号留出空间 */
.notice-content {
    padding: 15px;
    height: calc(100% - 120px); /* 减去头部和备案号的高度 */
    overflow-y: auto;
    color: white;
}

/* 确保滚动条样式 */
.notice-content::-webkit-scrollbar {
    width: 6px;
}

.notice-content::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.notice-content::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

.notice-content::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}
/* 移动端样式 - 只显示公告，导航栏在底部 */
@media (max-width: 768px) {
    /* 去除初始动画效果 */
    .show_on {
        transition: none !important;
        animation: none !important;
    }

    /* 隐藏桌面端内容 */
    #menu-container,
    #content-area,
    #photographicWorks-area,
    #participation-area,
    #gameHobby,
    #blog-area,
    #blog-area_2,
    #sponsor-area,
    #other-area {
        display: none !important;
    }

    /* 移动端公告样式 - 居中显示 */
    .public-notice {
        position: fixed !important;
        top: 50% !important;
        left: 50% !important;
        transform: translate(-50%, -50%) !important;
        width: 90% !important;
        max-width: 400px !important;
        height: 70vh !important;
        max-height: 600px !important;
        margin: 0 !important;
        z-index: 1000 !important;
        /* 去除动画效果 */
        transition: none !important;
        animation: none !important;
    }

    .public-notice.hidden {
        transform: translate(-50%, -50%) translateY(100vh) !important;
        opacity: 0 !important;
        visibility: hidden !important;
        /* 去除动画效果 */
        transition: none !important;
    }

    /* 移动端底部导航栏 - 默认显示 */
    .mobile-bottom-nav {
        position: fixed !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        background: rgba(255, 165, 0, 0.95) !important;
        backdrop-filter: blur(10px) !important;
        -webkit-backdrop-filter: blur(10px) !important;
        border-top: 1px solid rgba(255, 255, 255, 0.2) !important;
        z-index: 999 !important;
        display: flex !important;
        justify-content: space-around !important;
        align-items: center !important;
        padding: 10px 0 !important;
        box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3) !important;
        /* 去除动画效果 */
        transition: none !important;
    }

    .nav-item {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        padding: 8px 12px !important;
        border-radius: 8px !important;
        transition: all 0.3s ease !important;
        cursor: pointer !important;
        min-width: 60px !important;
    }

    .nav-item:hover {
        background: rgba(255, 255, 255, 0.1) !important;
    }

    .nav-item.active {
        background: rgba(255, 255, 255, 0.2) !important;
    }

    .nav-icon {
        font-size: 1.5rem !important;
        margin-bottom: 4px !important;
        color: white !important;
    }

    .nav-label {
        font-size: 0.7rem !important;
        color: white !important;
        font-weight: 500 !important;
    }

    /* 移动端背景调整 */
    #solid-bg {
        background: linear-gradient(135deg, #f59e0b, #fbbf24) !important;
        /* 去除动画效果 */
        transition: none !important;
    }

    #bg-image {
        display: none !important;
    }

    /* 移动端公告内容调整 */
    .notice-content {
        height: calc(100% - 140px) !important;
        padding: 15px !important;
    }

    .notice-header h3 {
        font-size: 1.1rem !important;
    }

    .notice-item {
        padding: 12px !important;
        margin-bottom: 12px !important;
    }

    .notice-title {
        font-size: 0.9rem !important;
    }

    .notice-text {
        font-size: 0.8rem !important;
    }
}

/* 平板端适配 */
@media (min-width: 769px) and (max-width: 1024px) {
    .mobile-bottom-nav {
        display: none !important;
    }
}
/* 分享按钮样式 */
.share-section {
    margin: 30px 0;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.share-title {
    margin-top: 0;
    margin-bottom: 15px;
    color: white;
    font-size: 1.2rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.share-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.share-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 20px;
    color: white;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.share-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.share-icon {
    font-size: 1.1rem;
}

.share-text {
    font-weight: 500;
}

/* 响应式分享按钮 */
@media (max-width: 768px) {
    .share-section {
        margin: 20px 0;
        padding: 15px;
    }

    .share-buttons {
        gap: 8px;
    }

    .share-btn {
        padding: 8px 12px;
        font-size: 0.8rem;
    }

    .share-text {
        display: none;
    }
}
/* 全局样式重置（建议放在最前面，避免默认样式干扰） */
/** {*/
/*  margin: 0;*/
/*  padding: 0;*/
/*  box-sizing: border-box;*/
/*}*/

/* Markdown 内容容器基础样式 - 优化版 */
.markdown-content {
  max-width: 850px; /* 适度加宽，提升阅读舒适度 */
  margin: 0 auto 40px;
  padding: 0 24px;
  line-height: 1.85; /* 微调行高，增强可读性 */
  color: #e2e8f0;
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif; /* 优化字体栈 */
  font-size: 16px; /* 基准字号 */
}

/* 标题层级优化 - 增强区分度 */
.markdown-content h1 {
  font-size: 2.2rem;
  font-weight: 700;
  margin: 40px 0 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(238, 238, 238, 0.2);
  color: #bfdbfe; /* 浅蓝主标题色，保持原有基调 */
}

.markdown-content h2 {
  font-size: 1.8rem;
  font-weight: 600;
  margin: 35px 0 18px;
  position: relative;
  color: #dbeafe;
  display: inline-block;
  padding-bottom: 8px;
}

/* 优化下划线动画 - 更自然的流动效果 */
.markdown-content h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  /* 优化渐变色，更柔和的蓝调 */
  background: linear-gradient(90deg, #38bdf8, #3b82f6, #38bdf8);
  background-size: 200% 100%;
  animation: underlineFlow 4s ease-in-out infinite; /* 放慢动画，减少视觉疲劳 */
  border-radius: 1px;
}

@keyframes underlineFlow {
  0% { background-position: 0% 0%; }
  50% { background-position: 100% 0%; }
  100% { background-position: 0% 0%; }
}

.markdown-content h3 {
  font-size: 1.4rem;
  font-weight: 600;
  margin: 30px 0 15px;
  color: #93c5fd; /* 调整h3颜色，与h2形成层级区分 */
}

.markdown-content h4 {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 25px 0 12px;
  color: #a5b4fc; /* 新增h4样式，完善标题层级 */
}

.markdown-content h5, .markdown-content h6 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 20px 0 10px;
  color: #c7d2fe;
}

/* 代码块优化 - 增强质感和可读性 */
.markdown-content pre {
  background: rgba(15, 23, 42, 0.9); /* 加深背景，提升对比度 */
  padding: 20px;
  border-radius: 8px; /* 增大圆角，更现代 */
  overflow-x: auto;
  border: 1px solid rgba(59, 130, 246, 0.3); /* 加深边框，增强层次感 */
  margin: 20px 0;
  /* 优化滚动条样式（webkit内核） */
  scrollbar-width: thin;
  scrollbar-color: #3b82f6 rgba(15, 23, 42, 0.5);
}

.markdown-content pre::-webkit-scrollbar {
  height: 6px;
}

.markdown-content pre::-webkit-scrollbar-thumb {
  background-color: #3b82f6;
  border-radius: 3px;
}

.markdown-content code {
  color: #f0abfc; /* 保持原有代码色 */
  background: rgba(139, 92, 246, 0.1); /* 行内代码增加浅背景 */
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.95rem;
}

/* 行内代码与代码块区分 */
.markdown-content pre code {
  background: transparent;
  padding: 0;
  border-radius: 0;
}

/* 段落样式优化 */
.markdown-content p {
  color: #cbd5e1; /* 调整文字色，提升可读性 */
  margin: 16px 0; /* 增加段落间距 */
  text-align: justify; /* 两端对齐，提升排版整洁度 */
}

/* 图片样式增强 */
.markdown-content img {
  max-width: 100%;
  height: auto;
  margin: 20px auto;
  display: block;
  border-radius: 10px; /* 增大圆角 */
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15); /* 增加阴影，提升立体感 */
  transition: transform 0.3s ease; /* 悬停缩放效果 */
}

.markdown-content img:hover {
  transform: scale(1.02); /* 轻微缩放，增强交互 */
}

/* 链接样式优化 */
.markdown-content a {
  color: #60a5fa;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: all 0.2s ease; /* 加快过渡，更流畅 */
  font-weight: 500;
}

.markdown-content a:hover {
  color: #93c5fd;
  border-bottom: 1px solid #60a5fa;
  transform: translateY(-1px); /* 轻微上移，增强交互反馈 */
}

/* 列表样式优化 */
.markdown-content ul, .markdown-content ol {
  padding-left: 30px;
  margin: 16px 0;
}

.markdown-content li {
  color: #cbd5e1;
  margin: 10px 0;
  /* 列表项换行对齐优化 */
  padding-left: 8px;
}

/* 引用样式增强 */
.markdown-content blockquote {
  border-left: 4px solid #3b82f6;
  padding: 12px 24px;
  background: rgba(59, 130, 246, 0.12); /* 加深背景，提升区分度 */
  margin: 20px 0;
  border-radius: 0 10px 10px 0; /* 增大圆角 */
  color: #a5b4fc; /* 调整引用文字色，增强层级 */
  font-style: italic; /* 斜体，符合引用排版习惯 */
}

/* 表格样式优化 - 更现代的视觉效果 */
.markdown-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 25px 0;
  background: rgba(15, 23, 42, 0.7); /* 加深背景 */
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1); /* 增加阴影 */
}

.markdown-content th,
.markdown-content td {
  padding: 14px 18px; /* 增大内边距，提升舒适度 */
  text-align: left;
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: #e2e8f0;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.markdown-content th {
  /* 优化表头渐变，更柔和 */
  background: linear-gradient(90deg, rgba(30, 58, 138, 0.5), rgba(59, 130, 246, 0.4));
  color: #bfdbfe;
  font-weight: 700;
  font-size: 1.05rem;
}

.markdown-content tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.07); /* 调整偶数行背景，提升区分度 */
}

.markdown-content tr:hover {
  background: rgba(59, 130, 246, 0.15); /* 加深hover背景，增强反馈 */
  transition: background 0.2s ease;
}

/* 新增：分割线样式 */
.markdown-content hr {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.4), transparent);
  margin: 40px 0;
}

/* 新增：选中文字样式 */
.markdown-content ::selection {
  background: rgba(59, 130, 246, 0.3);
  color: #ffffff;
}

/* 响应式适配 - 移动端优化 */
@media (max-width: 768px) {
  .markdown-content {
    max-width: 100%;
    padding: 0 16px;
    font-size: 15px;
  }

  .markdown-content h1 {
    font-size: 1.8rem;
  }

  .markdown-content h2 {
    font-size: 1.5rem;
  }

  .markdown-content h3 {
    font-size: 1.25rem;
  }

  .markdown-content table {
    font-size: 14px;
  }

  .markdown-content th, .markdown-content td {
    padding: 10px 12px;
  }
}