* { box-sizing: border-box; margin: 0; padding: 0; }
body { background-color: #fafbfc; font-family: "PingFang SC", "Lantinghei SC", "Microsoft YaHei", sans-serif; color: #333; overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
.throwwrap { max-width: 1200px; margin: 0 auto; padding: 0 15px; }
.throwtopbar { background: #fdfdfd; border-bottom: 1px solid #e1e8ed; font-size: 13px; line-height: 32px; height: 32px; color: #7f8c8d; }
.throwtopbar .throwwrap { display: flex; justify-content: space-between; }
.throwsep { margin: 0 6px; color: #d1d8e0; }
.throwheader { background: #ffffff; padding: 18px 0; border-bottom: 1px solid #e1e8ed; }
.throwheadflex { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.throwlogo img { height: 42px; max-width: 200px; object-fit: contain; display: block; }
.throwsearchform { display: flex; flex: 1; max-width: 450px; border: 2px solid #1565c0; border-radius: 4px; overflow: hidden; background: #fff; }
.throwsearchinput { flex: 1; border: none; padding: 0 14px; height: 34px; outline: none; font-size: 14px; }
.throwsearchbtn { background: #1565c0; color: #ffffff; border: none; padding: 0 18px; height: 34px; cursor: pointer; font-size: 13px; font-weight: bold; }
.thrownavbar { background: #1565c0; height: 44px; }
.thrownavflex { display: flex; align-items: center; gap: 2px; overflow-x: auto; white-space: nowrap; }
.thrownavitem { color: #ffffff; padding: 0 18px; line-height: 44px; height: 44px; font-size: 14px; font-weight: bold; display: inline-block; transition: background 0.2s; }
.thrownavitem:hover, .thrownavitem.active { background: #0d47a1; }
.throwmain { margin: 25px auto; }
.throwbanner img { width: 100%; height: 220px; object-fit: cover; border-radius: 6px; border: 1px solid #e1e8ed; margin-bottom: 20px; }
.throwsec { background: #ffffff; border-radius: 8px; border: 1px solid #e1e8ed; padding: 18px; margin-bottom: 25px; display: grid; grid-template-columns: 240px 1fr; gap: 20px; }
@media (max-width: 992px) { .throwsec { grid-template-columns: 1fr; } }
.throwsecside { background: #ffffff; border-radius: 8px; border: 1px solid #e1e8ed; padding: 15px; height: fit-content; }
.throwsecsidehead { font-size: 14px; font-weight: bold; color: #1565c0; border-bottom: 2px solid #1565c0; padding-bottom: 8px; margin-bottom: 12px; }
.throwsecsidelist { list-style: none; }
.throwsecsidelist li a { display: block; padding: 8px 10px; font-size: 13px; color: #4a5568; border-radius: 4px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.throwsecsidelist li a:hover { background: #e8eaf6; color: #1565c0; }
.throwgrid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
@media (max-width: 1024px) { .throwgrid3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .throwgrid3 { grid-template-columns: repeat(1, 1fr); } }
.throwcard { border: 1px solid #e1e8ed; border-radius: 6px; padding: 12px; background: #ffffff; display: flex; flex-direction: column; justify-content: space-between; transition: border-color 0.2s; }
.throwcard:hover { border-color: #1565c0; }
.throwimgbox { width: 100%; height: 120px; overflow: hidden; background: #fafafa; border-radius: 4px; margin-bottom: 8px; display: flex; align-items: center; justify-content: center; }
.throwimgbox img { max-width: 100%; max-height: 100px; object-fit: contain; }
.throwimgbox.portrait { height: 160px; }
.throwimgbox.portrait img { width: 100%; height: 100%; object-fit: cover; }
.throwtitle { font-size: 13px; font-weight: bold; color: #2c3e50; text-align: center; margin-bottom: 8px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.throwinfo { display: flex; justify-content: space-between; align-items: center; font-size: 11px; }
.throwprice { color: #e53e3e; font-size: 14px; font-weight: bold; }
.throwstock { color: #999; }
.throwsectitle { font-size: 16px; font-weight: bold; color: #1565c0; border-bottom: 2px solid #1565c0; padding-bottom: 8px; margin-bottom: 20px; text-align: center; }
.throwbluebanner { background: #0d47a1; color: #ffffff; border-radius: 6px; padding: 20px; text-align: center; margin-bottom: 25px; font-weight: bold; }
.throwbluebanner h3 { font-size: 16px; margin-bottom: 4px; }
.throwbluebanner p { font-size: 12px; opacity: 0.85; }
.throwaboutbox { background: #ffffff; border-radius: 8px; border: 1px solid #e1e8ed; padding: 20px; display: grid; grid-template-columns: 1fr 240px; gap: 20px; margin-bottom: 25px; }
@media (max-width: 768px) { .throwaboutbox { grid-template-columns: 1fr; } }
.throwaboutimg img { width: 100%; height: 140px; object-fit: cover; border-radius: 4px; }
.throwaboutinfo { display: flex; flex-direction: column; justify-content: center; }
.throwabouttitle { font-size: 15px; font-weight: bold; color: #1565c0; margin-bottom: 10px; }
.throwabouttext { font-size: 13px; color: #666; line-height: 1.8; }
.throwadvantagegrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; margin-bottom: 25px; }
@media (max-width: 992px) { .throwadvantagegrid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .throwadvantagegrid { grid-template-columns: 1fr; } }
.throwadvantageitem { background: #ffffff; border: 1px solid #e1e8ed; padding: 15px; border-radius: 6px; text-align: center; box-shadow: 0 4px 10px rgba(0,0,0,0.02); }
.throwadvantageitem h3 { font-size: 13px; font-weight: bold; margin-bottom: 4px; color: #333; }
.throwadvantageitem p { font-size: 11px; color: #7f8c8d; }
.throwcol2grid { display: grid; grid-template-columns: 1fr 340px; gap: 20px; }
@media (max-width: 992px) { .throwcol2grid { grid-template-columns: 1fr; } }
.throwcolumnbox { background: #ffffff; border-radius: 8px; border: 1px solid #e1e8ed; padding: 15px; }
.throwcolhead { font-size: 14px; font-weight: bold; color: #1565c0; border-bottom: 2px solid #1565c0; padding-bottom: 8px; margin-bottom: 12px; }
.throwranklist { list-style: none; }
.throwrankitem { display: flex; align-items: center; justify-content: space-between; padding: 6px 0; border-bottom: 1px dashed #f0f3f6; font-size: 12px; }
.throwranknum { width: 18px; height: 18px; background: #ccd6dd; color: #fff; text-align: center; line-height: 18px; border-radius: 3px; font-size: 10px; font-weight: bold; margin-right: 8px; flex-shrink: 0; }
.throwrankitem:nth-child(-n+3) .throwranknum { background: #1565c0; }
.throwrankname { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: #4a5568; }
.throwleftbox { }
.throwfeaturedrow { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; border-bottom: 1px dashed #ebdcb9; padding-bottom: 12px; margin-bottom: 12px; }
@media (max-width: 640px) { .throwfeaturedrow { grid-template-columns: 1fr; } }
.throwfeatureitem { display: flex; gap: 10px; align-items: center; }
.throwfeatureimg { width: 56px; height: 56px; object-fit: cover; border-radius: 3px; border: 1px solid #ebdcb9; flex-shrink: 0; }
.throwfeatureinfo { flex: 1; overflow: hidden; }
.throwfeaturetitle { font-size: 12px; font-weight: bold; color: #3e2723; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; margin-bottom: 4px; }
.throwfeaturetitle a:hover { color: #1565c0; }
.throwfeatureprice { color: #b71c1c; font-size: 13px; font-weight: bold; }
.throwcardbox { background: #ffffff; border-radius: 8px; border: 1px solid #e1e8ed; padding: 30px; max-width: 650px; margin: 0 auto; }
.throwfooter { background: #222222; color: #888888; padding: 25px 0; text-align: center; font-size: 13px; margin-top: 40px; border-top: 2px solid #1565c0; }
.throwfooter a { color: #edf2f7; margin-bottom: 6px; display: inline-block; }
.throwfooter p { color: #718096; font-size: 12px; margin-top: 4px; }