* { box-sizing: border-box; margin: 0; padding: 0; }
body.explain-body { background-color: #f4fcf6; color: #333333; font-family: "PingFang SC", "Helvetica Neue", Arial, sans-serif; overflow-x: hidden; width: 100%; }
a { color: inherit; text-decoration: none; }
.explain-container { max-width: 1200px; margin: 0 auto; padding: 0 15px; width: 100%; }
.explain-topbar { background-color: #1b5e20; color: #ffffff; font-size: 12px; height: 32px; line-height: 32px; border-bottom: 1px solid #144d16; }
.explain-topbar-wrap { display: flex; justify-content: space-between; }
.explain-header { background: #ffffff; }
.explain-logo-bar { display: flex; justify-content: space-between; align-items: center; padding: 15px 0; }
.explain-logo img { max-height: 50px; max-width: 250px; object-fit: contain; }
.explain-hotline { text-align: right; }
.explain-hotline p { font-size: 12px; color: #888888; }
.explain-hotline h4 { color: #2e7d32; font-size: 18px; font-weight: bold; margin-top: 2px; }
.explain-navbar { background: #2e7d32; height: 50px; }
.explain-nav { display: flex; list-style: none; height: 50px; align-items: center; }
.explain-nav-item a { display: block; padding: 0 20px; height: 50px; line-height: 50px; color: #ffffff; font-size: 15px; font-weight: bold; transition: background 0.3s; }
.explain-nav-item a:hover { background: #1b5e20; }
.explain-notice { background: #ffffff; border-left: 4px solid #2e7d32; border-radius: 4px; box-shadow: 0 2px 8px rgba(0,0,0,0.04); margin: 20px auto; padding: 12px 20px; font-size: 14px; color: #555555; }
.explain-sec-title { font-size: 20px; font-weight: 700; color: #111111; margin: 30px 0 15px; position: relative; padding-left: 12px; border-left: 4px solid #2e7d32; }
.explain-main-grid { display: grid; grid-template-columns: 280px 1fr; gap: 20px; margin-bottom: 30px; }
@media (max-width: 768px) { .explain-main-grid { grid-template-columns: 1fr; } }
.explain-sidebar-menu { background: #ffffff; border: 1px solid #e2f0d9; border-radius: 6px; padding: 20px; }
.explain-sidebar-list { list-style: none; line-height: 2.2; font-size: 14px; color: #495057; }
.explain-sidebar-list a:hover { color: #2e7d32; text-decoration: underline; }
.explain-grid-eight { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; }
@media (max-width: 768px) { .explain-grid-eight { grid-template-columns: repeat(2, 1fr); } }
.explain-card { background: #ffffff; border: 1px solid #e2f0d9; border-radius: 6px; padding: 15px; transition: all 0.3s; display: flex; flex-direction: column; justify-content: space-between; }
.explain-card:hover { border-color: #2e7d32; box-shadow: 0 6px 15px rgba(46,125,50,0.08); }
.explain-card-top { display: flex; align-items: center; margin-bottom: 10px; }
.explain-card-img { width: 36px; height: 36px; max-width: 36px; max-height: 36px; object-fit: contain; margin-right: 10px; flex-shrink: 0; }
.explain-card-title { font-size: 14px; font-weight: 600; color: #222222; word-break: break-all; }
.explain-featured-block { background: #ffffff; border: 1px solid #e2f0d9; border-radius: 6px; padding: 25px; display: grid; grid-template-columns: 1.5fr 1fr; gap: 20px; margin-bottom: 20px; }
@media (max-width: 768px) { .explain-featured-block { grid-template-columns: 1fr; } }
.explain-dual-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
@media (max-width: 768px) { .explain-dual-panel { grid-template-columns: 1fr; } }
.explain-panel-card { background: #ffffff; border: 1px solid #e2f0d9; border-radius: 6px; padding: 20px; }
.explain-news-item { display: flex; justify-content: space-between; align-items: center; padding: 12px 0; border-bottom: 1px dashed #eee; }
.explain-news-item:last-child { border-bottom: none; }
.explain-mini-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-bottom: 30px; }
@media (max-width: 768px) { .explain-mini-grid { grid-template-columns: repeat(2, 1fr); } }
.explain-mini-card { background: #ffffff; border: 1px solid #e2f0d9; border-radius: 4px; padding: 10px; text-align: center; font-size: 12px; }
.explain-table { width: 100%; border-collapse: collapse; background: #ffffff; border-radius: 6px; overflow: hidden; margin-bottom: 30px; }
.explain-table th, .explain-table td { padding: 12px 15px; text-align: left; border-bottom: 1px solid #f0f0f0; font-size: 14px; }
.explain-table th { background: #e8f5e9; color: #2e7d32; font-weight: 600; }
.explain-btn { background: #2e7d32; color: #ffffff; padding: 6px 16px; border-radius: 4px; font-size: 13px; font-weight: 500; display: inline-block; border: none; cursor: pointer; transition: background 0.3s; }
.explain-btn:hover { background: #1b5e20; }
.explain-price { color: #d9232e; font-weight: bold; font-size: 18px; }
.explain-footer { background: #252a2f; color: #ced4da; padding: 40px 0 20px; margin-top: 50px; text-align: center; font-size: 14px; }
.explain-footer-links a { color: #f8f9fa; margin: 0 10px; }
.explain-footer-sep { color: #495057; }
.explain-copyright { margin-top: 20px; font-size: 13px; color: #6c757d; }
.explain-badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 12px; }
.explain-badge-auto { background: #e8f5e9; color: #2e7d32; }
.explain-badge-manual { background: #f1f3f5; color: #495057; }
.explain-detail-wrap { background: #ffffff; border-radius: 6px; padding: 30px; margin: 30px auto; border: 1px solid #e9ecef; }