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

body {
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    color: #111;
    background: #fff;
    max-width: 780px;
    margin: 0 auto;
    padding: 40px 30px 50px;
    line-height: 2;
    font-size: 16px;
}

.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0 12px;
    border-bottom: 2px solid #111;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 10px;
}

.logo-link {
    text-decoration: none;
    color: #111;
    font-size: 18px;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 8px;
}
.logo-link i { color: #111; font-size: 20px; }

.nav-links { display: flex; gap: 14px; align-items: center; }
.nav-links a {
    color: #111;
    text-decoration: none;
    font-size: 13px;
    padding: 4px 12px;
    border: 1px solid #111;
    border-radius: 3px;
    display: flex;
    align-items: center;
    gap: 5px;
}
.nav-links a:hover { background: #111; color: #fff; }

.file-name-bar {
    padding: 4px 0 8px;
    border-bottom: 1px solid #ccc;
    margin-bottom: 14px;
}
.file-name-bar .name {
    font-size: 13px;
    color: #555;
}
.file-name-bar .name i { color: #555; margin-right: 6px; }

.text-content {
    font-family: "Georgia", "SimSun", "Songti SC", serif;
    font-size: 16px;
    line-height: 2.1;
    color: #111;
    white-space: pre-wrap;
    word-wrap: break-word;
    padding: 16px 20px;
    background: #fafafa;
    border-radius: 4px;
}

.action-bar {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    padding: 14px 0 4px;
    border-top: 1px solid #ccc;
    margin-top: 12px;
}
.action-bar a {
    color: #111;
    text-decoration: none;
    font-size: 14px;
    padding: 5px 20px;
    border: 1px solid #111;
    border-radius: 3px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.action-bar a:hover { background: #111; color: #fff; }

.site-footer {
    margin-top: 30px;
    padding-top: 16px;
    border-top: 1px solid #ccc;
    text-align: center;
}
.site-footer .footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 6px 18px;
    margin-bottom: 10px;
}
.site-footer .footer-links a {
    color: #111;
    text-decoration: none;
    font-size: 13px;
}
.site-footer .footer-links a:hover { text-decoration: underline; }
.site-footer .copyright {
    color: #888;
    font-size: 12px;
    line-height: 1.8;
}
.site-footer .copyright .sutra {
    color: #888;
    margin-top: 4px;
    letter-spacing: 2px;
}

@media (max-width: 480px) {
    body { padding: 16px 12px 30px; font-size: 15px; }
    .site-header { flex-direction: column; text-align: center; }
    .logo-link { justify-content: center; }
    .nav-links { justify-content: center; }
    .text-content { font-size: 15px; padding: 10px 12px; }
}