* { box-sizing: border-box; margin: 0; padding: 0; }
body { background-color: #f7f9fc; font-family: "PingFang SC", "Lantinghei SC", "Microsoft YaHei", sans-serif; color: #2c3e50; overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
.greatwrap { max-width: 1200px; margin: 0 auto; padding: 0 15px; }
.greattopbar { background: #fdfdfd; border-bottom: 1px solid #e1e8ed; font-size: 13px; line-height: 32px; height: 32px; color: #7f8c8d; }
.greattopbar .greatwrap { display: flex; justify-content: space-between; }
.greatsep { margin: 0 6px; color: #d1d8e0; }
.greatheader { background: #ffffff; padding: 18px 0; border-bottom: 1px solid #e1e8ed; }
.greatheadflex { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.greatlogo img { height: 42px; max-width: 200px; object-fit: contain; display: block; }
.greatsearchform { display: flex; flex: 1; max-width: 450px; border: 2px solid #0288d1; border-radius: 4px; overflow: hidden; }
.greatsearchinput { flex: 1; border: none; padding: 0 14px; height: 34px; outline: none; font-size: 13px; color: #333; }
.greatsearchbtn { background: #0288d1; color: #ffffff; border: none; padding: 0 18px; height: 34px; cursor: pointer; font-size: 13px; font-weight: bold; }
.greatnavbar { background: linear-gradient(to right, #0288d1, #00a896); height: 44px; }
.greatnavflex { display: flex; align-items: center; gap: 2px; overflow-x: auto; white-space: nowrap; }
.greatnavitem { color: #ffffff; padding: 0 18px; line-height: 44px; height: 44px; font-size: 14px; font-weight: bold; display: inline-block; transition: background 0.2s; }
.greatnavitem:hover, .greatnavitem.active { background: #01579b; }
.greatmain { margin: 25px auto; }
.greatbanner img { width: 100%; height: 220px; object-fit: cover; border-radius: 6px; border: 1px solid #e1e8ed; margin-bottom: 20px; }
.greatsec { background: #ffffff; border-radius: 8px; border: 1px solid #e1e8ed; padding: 18px; margin-bottom: 25px; }
.greatsectitle { font-size: 16px; font-weight: bold; color: #0288d1; border-bottom: 2px solid #0288d1; padding-bottom: 8px; margin-bottom: 20px; text-align: center; }
.greatstagger { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin-bottom: 20px; }
@media (max-width: 768px) { .greatstagger { grid-template-columns: 1fr; } }
.greatstaggeritem { border: 1px solid #e1e8ed; border-radius: 6px; overflow: hidden; background: #fafafa; position: relative; height: 260px; }
.greatstaggeritem img { width: 100%; height: 100%; object-fit: cover; }
.greatstaggerinfo { position: absolute; bottom: 0; left: 0; right: 0; background: linear-gradient(transparent, rgba(0,0,0,0.85)); color: #fff; padding: 15px; text-align: center; }
.greatstaggertitle { font-size: 16px; font-weight: bold; margin-bottom: 4px; }
.greatstaggerprice { color: #ff5722; font-size: 18px; font-weight: bold; margin-bottom: 8px; }
.greatstaggerbtn { display: inline-block; background: #0288d1; color: #fff; font-size: 12px; padding: 4px 14px; border-radius: 12px; font-weight: bold; }
.greatguarantee { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; margin-bottom: 25px; }
@media (max-width: 992px) { .greatguarantee { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 640px) { .greatguarantee { grid-template-columns: repeat(2, 1fr); } }
.greatguaranteeitem { background: #ffffff; border: 1px solid #e1e8ed; padding: 15px; border-radius: 6px; text-align: center; box-shadow: 0 4px 10px rgba(2,136,209,0.04); transition: transform 0.2s; }
.greatguaranteeitem:hover { transform: translateY(-3px); border-color: #0288d1; }
.greatguaranteeicon { width: 44px; height: 44px; border-radius: 50%; background: #e0f2f1; display: flex; align-items: center; justify-content: center; margin: 0 auto 6px auto; border: 1px solid #b2dfdb; }
.greatguaranteeicon span { font-size: 12px; font-weight: bold; color: #00a896; }
.greatguaranteeitem h3 { font-size: 13px; font-weight: bold; color: #333; margin-bottom: 4px; }
.greatguaranteeitem p { font-size: 11px; color: #888; }
.greatgrid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; }
@media (max-width: 1024px) { .greatgrid4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .greatgrid4 { grid-template-columns: repeat(1, 1fr); } }
.greatcard { background: #ffffff; border-radius: 6px; border: 1px solid #e1e8ed; padding: 15px; text-align: center; transition: transform 0.2s, border-color 0.2s; }
.greatcard:hover { transform: translateY(-3px); border-color: #0288d1; }
.greatimgbox { width: 100%; height: 110px; overflow: hidden; background: #ffffff; border-radius: 4px; margin-bottom: 8px; display: flex; align-items: center; justify-content: center; }
.greatimgbox img { max-width: 100%; max-height: 100px; object-fit: contain; }
.greatimgbox.portrait img { width: 100%; height: 100%; object-fit: cover; }
.greattitle { font-size: 13px; font-weight: bold; color: #2c3e50; margin-bottom: 6px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.greatprice { color: #d32f2f; font-size: 14px; font-weight: bold; }
.greatcol2grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 768px) { .greatcol2grid { grid-template-columns: 1fr; } }
.greatcolumnbox { background: #ffffff; border-radius: 8px; border: 1px solid #e1e8ed; padding: 15px; }
.greatcolhead { font-size: 14px; font-weight: bold; color: #0288d1; border-bottom: 2px solid #0288d1; padding-bottom: 8px; margin-bottom: 12px; }
.greatbulletlist { list-style: none; }
.greatbulletitem { font-size: 13px; color: #4a5568; padding: 6px 0; border-bottom: 1px dashed #f0f3f6; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.greatbulletitem a:hover { color: #0288d1; text-decoration: underline; }
.greatcta { background: linear-gradient(to right, #0288d1, #00a896); color: #ffffff; border-radius: 6px; padding: 20px; text-align: center; margin-bottom: 25px; font-weight: bold; }
.greatcta h3 { font-size: 16px; margin-bottom: 4px; }
.greatcta p { font-size: 12px; opacity: 0.85; }
.greatcardbox { background: #ffffff; border-radius: 8px; border: 1px solid #e1e8ed; padding: 30px; max-width: 650px; margin: 0 auto; }
.greatfooter { background: #1a1d24; color: #888888; padding: 25px 0; text-align: center; font-size: 13px; margin-top: 40px; border-top: 2px solid #0288d1; }
.greatfooter a { color: #edf2f7; margin-bottom: 6px; display: inline-block; }
.greatfooter p { color: #718096; font-size: 12px; margin-top: 4px; }