:root {
    --bg-color: #ffffff;
    --text-color: #000000;
    --card-bg: #f0f0f0;
    --highlight: #007acc;
    --nav-bg: #eaeaea;
    --price-color: #9f0bda;
    --backlink-color: #000000;
    --a: #007acc;
    --bannertop: #e8f0fe;
}

.dark-mode {
    --bg-color: #1e1e1e;
    --text-color: #e0e0e0;
    --card-bg: #2b2b2b;
    --highlight: #00ffff;
    --nav-bg: #121212;
    --price-color: #ffcc00;
    --backlink-color: #44df08;
    --a: #29bdbd;
    --bannertop: #121212;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Segoe UI', sans-serif;
    margin: 0;
    padding: 0 0px;
}





.nav-title {
    color: var(--highlight);
}

a {
    color: var(--highlight);
}



h1 {
    color: #19a8fa;
    margin-top: 30px;
    text-align: center;
}

ul {
    list-style: none;
    padding: 0;
}

li {
    background-color: var(--card-bg);
    border-radius: 10px;
    margin: 20px 0;
    padding: 20px;
    transition: transform 0.2s ease;
    color: var(--text-color);
}

li:hover {
    transform: scale(1.02);
}

a {
    color: var(--a);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

pre {
    background-color: #1a1a1a;
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    line-height: 1.5;
    border: 1px solid #444;
}

p {
    margin: 10px 0;
}

.price-tag {
    color: var(--price-color);
    font-weight: bold;
}

.notice {
    color: #ff5555;
    font-style: italic;
    background: #2a0000;
    padding: 10px;
    border-radius: 8px;
    margin-top: 20px;
}


.navbar {
    background-color: var(--bannertop);
    width: 100%;
    border-bottom: 1px solid #333;
}
.nav-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
/* .navbar {
    background-color: var(--nav-bg);

} */

.nav-title {
    font-size: 1.3em;
    font-weight: bold;
    color: var(--highlight);
    letter-spacing: 1px;
}

.nav-links a {
    color: #e0e0e0;
    margin-left: 20px;
    text-decoration: none;
}

.nav-links a:hover {
    text-decoration: underline;
    color: #65afaf;
}


.doc-body {
    background-color: var(--card-bg);
    color: var(--text-color);
    padding: 30px;
    border-radius: 10px;
    line-height: 1.6;
    max-width: 1100px;         /* 限制最大宽度 */
    margin: 30px auto;        /* 自动居中 */
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    word-break: break-word;   /* 避免内容溢出 */
}
.doc-body h3 {
    color: #46bebe;
}
.nav-links a,
.nav-links button {
    color: var(--text-color);
    margin-left: 20px;
    text-decoration: none;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1em;
}

.nav-links a:hover,
.nav-links button:hover {
    text-decoration: underline;
    color: var(--highlight);
}
.doc-body table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    font-size: 0.95em;
}

.doc-body th, .doc-body td {
    border: 1px solid #444;
    padding: 10px;
    text-align: left;
}


.doc-body th {
    background-color: var(--nav-bg);
    color: var(--highlight);
}
.doc-body img {
    max-width: 100%;
    border-radius: 8px;
    margin: 15px 0;
    box-shadow: 0 4px 10px rgba(0,0,0,0.5);
}
.highlight-box {
    border-left: 6px solid var(--highlight);
    background-color: var(--card-bg);
    color: var(--text-color);
    padding: 15px 20px;
    margin: 20px auto;
    max-width: 1100px;
    border-radius: 8px;
    box-shadow: 0 3px 8px rgba(0,0,0,0.2);
    font-size: 1.05em;
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 30px 20px;
}

code, pre {
    background-color: #1a1a1a;
    color: #00ffcc;
    padding: 10px;
    border-radius: 6px;
    font-family: Consolas, monospace;
    font-size: 0.95em;
    overflow-x: auto;
    display: block;
    white-space: pre-wrap;
    margin: 10px 0;
}

code {
    display: inline;
    padding: 2px 6px;
}

.subtitle {
    text-align: center;
    font-weight: normal;
    font-size: 1.2em;
    margin: 0 auto 30px auto;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--highlight);
    color: var(--text-color);
    opacity: 0.85;
    max-width: 800px;
}

.back-button {
    display: inline-block;
    margin-bottom: 20px;
    padding: 6px 12px;
    font-size: 0.95em;
    color: var(--highlight);
    background-color: transparent;
    border: 1px solid var(--highlight);
    border-radius: 6px;
    text-decoration: none;
    transition: background-color 0.3s, color 0.3s;
    margin-left: 50px;
}


.back-button:hover {
    background-color: var(--highlight);
    color: var(--bg-color);
    text-decoration: none;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--highlight);
    font-weight: bold;
    font-size: 1.2em;
}

.logo {
    height: 32px;
    margin-right: 10px;
}