.content {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    font-size: 1.1rem;
    line-height: 1.8;
    max-width: 680px;
    margin: 0 auto;
    letter-spacing: 0.01em;
}

.content h1 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.content h2 {
    font-size: 1.8rem;
    margin: 1.5rem 0 1rem;
    padding-top: 0.5rem;
    letter-spacing: -0.01em;
    line-height: 1.3;
}

.content h3 {
    font-size: 1.4rem;
    margin: 1.2rem 0 0.8rem;
    line-height: 1.4;
}

.content p {
    margin-bottom: 0.7rem;
}

.content ul,
.content ol {
    margin-bottom: 1.25rem;
    padding-left: 0;
    list-style-position: outside;
    margin-left: 1.5rem;
}

.content ul {
    list-style-type: disc;
}

.content ol {
    list-style-type: decimal;
}

.content li {
    margin-bottom: 0.5rem;
    padding-left: 0.5rem;
}

.content ul ul,
.content ol ul,
.content ul ol,
.content ol ol {
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
}

.content a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.15s ease, color 0.15s ease;
}

.content a:hover {
    border-bottom-color: var(--accent);
    color: var(--accent-dim);
}

.content a:focus {
    outline: none;
    border-radius: 2px;
}

.content a:active {
    color: var(--accent-dim);
}

.content a:visited {
    color: var(--accent-visited);
}

.content a:visited:hover {
    color: var(--accent-dim);
    border-bottom-color: var(--accent-visited);
}

.content code {
    font-family: 'Courier New', Courier, monospace;
    background-color: var(--bg-tertiary);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-size: 0.9rem;
    letter-spacing: -0.01em;
}

.content pre {
    background-color: var(--bg-tertiary);
    padding: 1rem;
    border-radius: 5px;
    overflow-x: auto;
    margin-bottom: 1.25rem;
    border: 1px solid var(--border-color);
    line-height: 1.5;
}

.content pre code {
    background-color: transparent;
    padding: 0;
}

.content blockquote {
    border-left: 4px solid var(--accent);
    padding-left: 1rem;
    margin-left: 0;
    margin-bottom: 1.25rem;
    color: var(--text-secondary);
}

.content img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    margin: 1rem 0;
    display: block;
    border: 1px solid var(--border-color);
}

.content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.25rem;
    display: block;
    overflow-x: auto;
}

.content th,
.content td {
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    text-align: left;
}

.content th {
    background-color: var(--bg-tertiary);
    font-weight: 600;
    color: var(--accent);
}

.callout {
    margin: 1rem 0;
    padding: 1rem;
    border-radius: 6px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.callout i {
    font-size: 1.2rem;
    margin-top: 2px;
}

.callout-content {
    flex: 1;
}

.callout-content>p:last-child {
    margin-bottom: 0;
}

.callout-info,
.callout-note {
    background-color: var(--callout-info-bg);
    border: 1px solid var(--callout-info-border);
}

.callout-tip {
    background-color: var(--callout-tip-bg);
    border: 1px solid var(--callout-tip-border);
}

.callout-important,
.callout-warning,
.callout-caution {
    background-color: var(--callout-warning-bg);
    border: 1px solid var(--callout-warning-border);
}

.callout-danger {
    background-color: var(--callout-danger-bg);
    border: 1px solid var(--callout-danger-border);
}

.code-block {
    position: relative;
    margin-bottom: 1.25rem;
}

.code-block pre {
    margin-bottom: 0;
}

.copy-button {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 28px;
    color: var(--text-secondary);
    background-color: transparent;
    border: none;
    height: 28px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: all 0.15s ease;
}

.giscus-container {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
}