.main .main-body .article-content { max-width: 1200px; margin: 0 auto 20px; padding: 0; background: transparent; border-radius: 0; box-shadow: none; position: relative; }
.main .main-body .article-content .article-body h1 { font-size: 38px; color: black; text-align: center; margin: 20px 0 10px; font-weight: 700; }
.main .main-body .article-content .article-body h2 { font-size: 20px; color: #2c5364; margin: 30px 0 15px; padding-bottom: 5px; border-bottom: 1px solid #eee; }
.main .main-body .article-content .article-body h3 { font-size: 18px; color: #34495e; margin: 20px 0 10px; }
/* .main .main-body .article-content .article-body p { margin-bottom: 15px; text-indent: 2rem; } */
.main .main-body .article-content .article-body p { margin-bottom: 15px; text-indent: 0; }
.main .main-body .article-content .article-body .mode-tag { color: #2c5364; font-weight: 600; display: inline-block; margin-bottom: 8px; }
.main .main-body .article-content .article-body .mode-img { width: 100%; max-width: 100%; }
.main .main-body .article-content .article-body .mode-img-sp { height: 600px; display: flex; justify-content: center; align-items: center; margin: 0 auto; }
.main .main-body .article-content .article-body .mode-img-sp img { max-width: 100%; max-height: 100%; object-fit: contain; display: block; }
.main .main-body .article-content .article-body .img-caption { text-align: center; font-size: 14px; color: #666; margin-bottom: 20px; }
/* .main .main-body .article-content .article-body ul { margin: 10px 0 20px 2rem; } */
.main .main-body .article-content .article-body ul { margin: 10px 0 20px 0; }
.main .main-body .article-content .article-body li { margin-bottom: 10px; }
.main .main-body .article-content .article-body .highlight { color: #2c5364; font-weight: 600; }
.main .main-body .article-content .article-body .end-text { text-align: center; margin-top: 30px; color: #34495e; font-size: 16px; font-weight: 500; }
.main .main-body .article-content .article-body .official-link { font-size: 14px; margin-left: 10px; font-weight: normal; text-decoration: none; }
.main .main-body .article-content .article-body .official-link a { color: #2c5364; text-decoration: none; border-bottom: 1px dotted #2c5364; }
.main .main-body .article-content .article-body .official-link a:hover { color: #1a3d4c; border-bottom: 1px solid #1a3d4c; }
@media (max-width: 768px) { .main .main-body .article-content { margin: 0 15px 20px; padding: 0; } }
.main-body::after { content: ""; display: table; clear: both; }
.article-content::after { content: ""; display: table; clear: both; }
.article-content { display: grid; grid-template-columns: 1fr 350px; justify-content: center; align-items: flex-start; gap: 20px; }
.article-meta { text-align: center; margin-bottom: 25px; padding-bottom: 15px; border-bottom: 1px solid #eee; }
.article-meta .meta-item { display: inline-flex; align-items: center; gap: 5px; margin: 0 25px; }
.article-meta .meta-label { color: #999; font-size: 16px; }
.article-meta .meta-value { color: #999; font-size: 16px; }
.article-meta .meta-value:hover { color: #999; }
.article-meta .meta-icon { width: 18px; height: 18px; vertical-align: middle; fill: #999; }
/*header*/
body { padding: 0; margin: 0; }
header { position: sticky; top: 0; z-index: 1000; background-color: white; }
a { text-decoration: none; color: #1a1a1a; font-size: 16px; }
a.active { color: #0464fa; }
.top { padding: 10px 310px; }
.header-inner { display: flex; height: 50px; align-items: center; }
.header-inner .logo { padding-right: 100px; }
.logo img { width: 130px; }
.menu { display: flex; list-style: none; gap: 2.5em; margin-left: auto; }
/*sidebar*/
.sidebar-module { background: white; border-radius: 8px; padding: 15px; margin-bottom: 15px; }
.sidebar-module h3 { font-size: 18px; color: #2c5364; margin: 0 0 12px 0; padding-bottom: 8px; border-bottom: 1px solid #eee; }
.content-tabs { display: flex; margin-bottom: 12px; border-bottom: 2px solid #eee; }
.tab-btn { flex: 1; padding: 10px 0; background: none; border: none; font-size: 16px; color: #666; cursor: pointer; transition: all 0.3s ease; border-bottom: 2px solid transparent; }
.tab-btn.active { color: #2c5364; border-bottom-color: #2c5364; font-weight: bold; }
.tab-btn:hover { color: #2c5364; }
.content-list { display: block; }
.content-list.hidden { display: none; }
.content-list ul { list-style: none; padding: 0; margin: 0; }
.content-list li { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; border-bottom: 1px solid #f0f0f0; }
.content-list li:last-child { border-bottom: none; }
.content-list a { color: #666; text-decoration: none; font-size: 14px; transition: color 0.3s ease; }
.content-list a:hover { color: #2c5364; }
.view-count { color: #999; font-size: 12px; }
.publish-time { color: #999; font-size: 12px; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud a { display: inline-block; padding: 6px 12px; background: #f0f7fa; color: #2c5364; text-decoration: none; border-radius: 20px; font-size: 13px; transition: all 0.3s ease; }
.tag-cloud a:hover { background: #2c5364; color: white; transform: translateY(-2px); box-shadow: 0 4px 8px rgba(44, 83, 100, 0.2); }
.function-list { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 4px; }
.function-list li { flex: 1 1 32%; color: #666; font-size: 14px; padding: 6px 4px; border-radius: 4px; min-width: 45px; text-align: center; box-sizing: border-box; }
/*back-to-top*/
.back-to-top { position: fixed; bottom: 18%; right: 18%; width: 50px; height: 50px; background: #e9ecef; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; box-shadow: 0 4px 12px rgba(0,123,255,0.3); transition: all 0.3s ease; z-index: 999; opacity: 0; visibility: hidden; transform: translateY(20px); }
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: #e9ecef; box-shadow: 0 6px 16px rgba(0,123,255,0.4); transform: translateY(-5px); }
.back-to-top img { width: 24px; height: 24px; fill: white; }
/*footer*/
body { padding: 0; margin: 0; }
.footer { display: flex; text-align: center; align-items: center; justify-content: center; flex-direction: column; background-color: #2b3145; color: white; font-size: 14px; padding: 30px; }
