body {
    margin: 0;
    font-family: "Segoe UI", sans-serif;
    color: #fff;
    overflow-x: hidden;
}

.background {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: url("nagpng.png") no-repeat center center;
    background-size: cover;
    z-index: -1;
    filter: blur(4px) brightness(0.7);
}

header {
    padding: 20px 30px;
}

.site-title {
  font-family: 'Zen Maru Gothic', 'Noto Sans CJK JP', 'Noto Sans SC', sans-serif;
  font-size: 1.8em;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.05em;
  text-shadow: 0 1px 3px rgba(0,0,0,0.3);
  padding-left: 1em;
}


.navbar {
    display: flex;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.6);
    padding: 10px 30px;
}

.navbar ul {
    list-style: none;
    display: flex;
    gap: 30px;
    margin: 0;
    padding: 0;
}

.navbar a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
}

.navbar a:hover {
    color: #00ffff;
    transform: scale(1.1);
}

.content-card {
    max-width: 800px;
    margin: 100px auto;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.3);
}

.content-card h2 {
    text-align: center;
}


.article-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 20px;
}

.article-item {
    background-color: rgba(255, 255, 255, 0.08);
    padding: 20px;
    border-radius: 8px;
    transition: transform 0.3s ease, background-color 0.3s ease;
    color: #fff; /* ← 设置文字为白色 */
}

.article-item h3 {
    margin: 0;
    font-size: 20px;
    color: #fff; /* ← 标题也设为白色 */
}

.article-item p {
    margin-top: 8px;
    font-size: 14px;
    color: #ddd; /* ← 简介用稍微淡一点的白色 */
}

.article-item a {
    color: #fff;
    text-decoration: none;
}

.site-note {
  font-size: 0.9em;
  color: #888;
  margin-left: 10px;
}

main a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  border-bottom: 1px dashed #ccc;
}

main a:hover {
  color: #ff5c5c;
  border-bottom: 1px solid #ff5c5c;
}

main a:active {
  background-color: #ffecec;
  border-radius: 4px;
  padding: 2px 4px;
}

main {
  max-width: 800px;
  margin: 2em auto;
  padding: 0 2em; /* 左右内边距 */
}

/* 卡片容器 */
.card {
  background-color: rgba(50, 50, 50, 0.6); /* 半透明深灰背景 */
  border-radius: 8px;
  padding: 1em 1.5em;
  margin-bottom: 1.2em;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

/* 链接样式 */
.card a {
  color: #fff; /* 白色链接 */
  font-weight: 600;
  text-decoration: none;
  font-size: 1.05em;
  display: inline-block;
  margin-bottom: 0.4em;
}

/* 描述文字 */
.card p {
  color: #ccc; /* 浅灰色描述 */
  font-size: 0.95em;
  line-height: 1.6;
  margin: 0;
}

.site-footer {
  text-align: center;
  font-size: 0.9em;
  color: #aaa;
  padding: 2em 0;
  background-color: #111;
}

.markdown-body {
  line-height: 1.8;
  font-size: 1rem;
  color: #ddd;
}

.markdown-body h1, .markdown-body h2, .markdown-body h3 {
  color: #fff;
  margin-top: 1.5em;
}

.markdown-body p {
  margin-bottom: 1em;
}

.markdown-body code {
  background-color: #222;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: monospace;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.2em;
  margin-top: 1em;
}

.tool-card {
  background: #fdfdfd;
  border: 1px solid #e0e0e0;
  border-radius: 10px;
  padding: 1em;
  text-decoration: none;
  color: #333;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
  transition: transform 0.2s ease;
}

.tool-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.tool-card .emoji {
  font-size: 1.8em;
  margin-bottom: 0.5em;
}

.tool-card .label {
  font-weight: bold;
  font-size: 1.1em;
  margin-bottom: 0.3em;
}

.tool-card .desc {
  font-size: 0.9em;
  color: #666;
}

.symbol-bar button {
  margin: 0.2em;
  padding: 0.3em 0.6em;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 6px;
  background-color: #f5f5f5;
  cursor: pointer;
}
.symbol-bar button:hover {
  background-color: #e0e0e0;
}

.number-bar button {
  margin: 0.2em;
  padding: 0.3em 0.6em;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 6px;
  background-color: #f5f5f5;
  cursor: pointer;
}
.number-bar button:hover {
  background-color: #e0e0e0;
}