/* 星空背景动画 - 完整版 */

/* 星空容器 */
.star_bg {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
    pointer-events: none;
}

/* 1px 小星星 (400个) */
.stars {
    position: absolute;
    left: 50%;
    margin-left: -1000px;
    width: 1px;
    height: 1px;
    background: transparent;
    animation: animStar 50s linear infinite;
    box-shadow: 1917px 1361px #fff, 1444px 742px #fff, 730px 409px #fff,
        545px 830px #fff, 66px 1568px #fff, 103px 795px #fff, 563px 1928px #fff,
        421px 1584px #fff, 752px 1651px #fff, 1336px 1033px #fff, 843px 1697px #fff,
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}

.stars::after {
    content: ' ';
    position: absolute;
    top: 2000px;
    width: 1px;
    height: 1px;
    background: transparent;
    box-shadow: 1917px 1361px #fff, 1444px 742px #fff, 730px 409px #fff,
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        383px 326px #fff, 1125px 41px #fff, 1467px 1367px #fff, 1460px 463px #fff,
        832px 796px #fff, 434px 1080px #fff, 91px 273px #fff, 39px 1014px #fff,
        404px 1275px #fff, 1px 1898px #fff, 672px 1539px #fff, 1157px 1394px #fff,
        158px 1102px #fff, 903px 1737px #fff, 1482px 1858px #fff, 682px 281px #fff,
        1947px 696px #fff, 1706px 1489px #fff, 1170px 699px #fff, 919px 1738px #fff,
        1335px 398px #fff, 860px 1981px #fff, 1610px 437px #fff, 98px 79px #fff,
        1363px 626px #fff, 455px 575px #fff, 1727px 108px #fff, 818px 975px #fff,
        209px 1428px #fff, 1428px 1390px #fff, 1777px 305px #fff, 1642px 593px #fff,
        495px 698px #fff, 587px 915px #fff, 1517px 37px #fff, 795px 402px #fff,
        1184px 1764px #fff, 784px 653px #fff, 1713px 131px #fff, 372px 124px #fff,
        1645px 196px #fff, 1911px 678px #fff, 1546px 289px #fff, 199px 272px #fff,
        1802px 1843px #fff, 1518px 229px #fff, 622px 50px #fff, 1809px 542px #fff,
        1912px 462px #fff, 1903px 971px #fff, 1615px 1296px #fff, 1295px 1368px #fff,
        1958px 1243px #fff, 1056px 1985px #fff, 720px 1100px #fff,
        1060px 1341px #fff, 227px 704px #fff, 1989px 1872px #fff, 1704px 1428px #fff,
        922px 1196px #fff, 1078px 317px #fff, 1157px 726px #fff, 1388px 1215px #fff,
        1878px 644px #fff, 1428px 38px #fff, 431px 1766px #fff, 1999px 1557px #fff,
        1816px 1495px #fff, 1818px 140px #fff, 989px 1811px #fff, 1947px 1668px #fff,
        1150px 799px #fff, 1401px 1341px #fff, 1635px 535px #fff, 1578px 1098px #fff,
        862px 989px #fff, 874px 737px #fff, 1654px 1661px #fff, 748px 1666px #fff,
        1597px 507px #fff, 1289px 1405px #fff, 1805px 1944px #fff, 1731px 152px #fff,
        592px 382px #fff, 216px 1138px #fff, 729px 163px #fff, 1759px 1661px #fff,
        1666px 1467px #fff, 1444px 1539px #fff, 569px 848px #fff, 1764px 1080px #fff,
        168px 416px #fff, 661px 1845px #fff, 14px 988px #fff, 901px 1568px #fff,
        1378px 1606px #fff, 1714px 522px #fff, 839px 1681px #fff, 43px 88px #fff,
        723px 1152px #fff, 182px 517px #fff, 1499px 1799px #fff, 1701px 336px #fff,
        564px 256px #fff, 1906px 1081px #fff, 1516px 1340px #fff, 1615px 426px #fff,
        1710px 128px #fff, 592px 1861px #fff, 1756px 877px #fff, 1014px 1096px #fff,
        23px 439px #fff, 1203px 638px #fff, 1700px 1659px #fff, 590px 1666px #fff,
        1990px 1732px #fff, 1030px 1802px #fff, 1444px 50px #fff, 258px 1981px #fff,
        736px 1832px #fff, 1721px 1219px #fff, 1534px 557px #fff, 1953px 1401px #fff,
        1513px 653px #fff, 914px 30px #fff, 1595px 1415px #fff, 945px 897px #fff,
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        1515px 1404px #fff, 1220px 1279px #fff, 325px 17px #fff, 207px 1748px #fff,
        636px 23px #fff, 506px 1405px #fff, 203px 954px #fff, 1263px 1365px #fff,
        507px 704px #fff, 281px 63px #fff, 1412px 1273px #fff, 1915px 21px #fff,
        1896px 705px #fff, 306px 1839px #fff, 1951px 89px #fff, 328px 753px #fff,
        1625px 1897px #fff, 1462px 265px #fff, 1801px 1434px #fff, 1169px 579px #fff,
        1464px 1551px #fff, 1429px 132px #fff, 1032px 734px #fff, 1612px 1401px #fff,
        46px 493px #fff, 1161px 159px #fff, 1292px 492px #fff, 1335px 1261px #fff,
        1097px 556px #fff, 666px 672px #fff, 894px 1023px #fff, 861px 1077px #fff,
        796px 348px #fff, 675px 343px #fff, 648px 1222px #fff, 1183px 974px #fff,
        939px 414px #fff, 842px 1863px #fff, 1776px 773px #fff, 1293px 84px #fff,
        349px 1311px #fff, 745px 431px #fff, 1202px 687px #fff, 1342px 278px #fff,
        401px 1458px #fff, 599px 176px #fff, 594px 1969px #fff, 616px 801px #fff,
        1627px 1693px #fff, 1357px 1017px #fff, 372px 1671px #fff,
        1024px 1918px #fff, 1876px 263px #fff, 586px 91px #fff, 1126px 495px #fff,
        1172px 115px #fff, 1561px 1556px #fff, 443px 1629px #fff, 1313px 675px #fff,
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        1323px 602px #fff, 1790px 840px #fff, 93px 118px #fff, 1121px 1149px #fff,
        728px 1946px #fff, 692px 1859px #fff, 548px 1119px #fff, 845px 1409px #fff,
        1818px 562px #fff, 1722px 1199px #fff, 38px 1390px #fff, 141px 1634px #fff,
        1928px 257px #fff, 1386px 1209px #fff, 836px 1628px #fff, 1745px 357px #fff,
        526px 1442px #fff, 1194px 1628px #fff, 883px 253px #fff, 1065px 592px #fff,
        1851px 430px #fff, 1487px 1104px #fff, 209px 443px #fff, 606px 736px #fff,
        154px 973px #fff, 1478px 202px #fff, 151px 1169px #fff, 1313px 1881px #fff,
        582px 1727px #fff, 1274px 649px #fff, 1666px 85px #fff, 75px 1921px #fff,
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        186px 1089px #fff, 65px 410px #fff, 1753px 821px #fff, 1740px 896px #fff,
        1520px 1632px #fff, 13px 1081px #fff, 97px 1754px #fff, 1876px 1063px #fff,
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        1666px 1494px #fff, 695px 1259px #fff, 1523px 1155px #fff, 1097px 610px #fff,
        920px 5px #fff, 306px 1469px #fff, 716px 869px #fff, 1819px 1297px #fff,
        1898px 660px #fff, 1028px 1106px #fff, 1332px 793px #fff, 29px 1357px #fff,
        438px 296px #fff, 495px 1086px #fff, 1231px 213px #fff, 339px 228px #fff,
        187px 881px #fff, 1113px 201px #fff, 270px 1517px #fff, 330px 427px #fff,
        1701px 1392px #fff, 752px 803px #fff, 559px 918px #fff, 215px 782px #fff,
        907px 1216px #fff, 1193px 615px #fff, 1502px 1259px #fff, 634px 1118px #fff,
        1711px 1958px #fff, 1195px 1859px #fff, 247px 1862px #fff, 71px 858px #fff,
        1126px 1476px #fff, 201px 1253px #fff, 1080px 1949px #fff,
        1224px 1451px #fff, 1958px 789px #fff, 1968px 310px #fff, 1969px 581px #fff,
        1069px 1981px #fff, 728px 1958px #fff, 1203px 1486px #fff,
        1910px 1115px #fff, 1075px 733px #fff, 226px 1894px #fff, 1303px 207px #fff,
        479px 407px #fff, 1512px 583px #fff, 1229px 1406px #fff, 1234px 1152px #fff,
        1451px 376px #fff, 730px 776px #fff, 13px 310px #fff, 1965px 749px #fff,
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        192px 705px #fff, 1729px 1550px #fff, 204px 1990px #fff, 1532px 78px #fff,
        1549px 924px #fff, 823px 1778px #fff, 119px 1631px #fff, 234px 920px #fff,
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        1876px 990px #fff, 477px 1193px #fff, 440px 450px #fff, 1258px 1050px #fff,
        915px 396px #fff, 384px 1424px #fff, 254px 799px #fff, 1107px 330px #fff,
        808px 1134px #fff, 882px 507px #fff, 852px 244px #fff, 1031px 1370px #fff,
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        1730px 835px #fff, 242px 1169px #fff, 548px 1026px #fff, 43px 1288px #fff,
        320px 716px #fff, 1711px 1987px #fff, 372px 1411px #fff, 228px 727px #fff,
        759px 1566px #fff, 703px 271px #fff, 180px 1599px #fff, 51px 1041px #fff,
        742px 613px #fff, 609px 299px #fff, 1981px 1849px #fff, 1920px 517px #fff,
        349px 1575px #fff, 565px 655px #fff, 604px 1078px #fff, 1844px 1326px #fff,
        361px 1488px #fff, 205px 758px #fff, 1889px 772px #fff, 1934px 50px #fff,
        577px 1391px #fff, 10px 899px #fff, 242px 468px #fff, 814px 568px #fff,
        653px 631px #fff, 336px 1884px #fff, 128px 346px #fff, 1060px 1757px #fff,
        426px 1893px #fff, 1879px 1647px #fff, 134px 1601px #fff, 990px 214px #fff,
        19px 536px #fff, 1753px 653px #fff, 1390px 755px #fff, 1154px 1019px #fff,
        1580px 507px #fff, 683px 1904px #fff, 318px 1126px #fff, 1180px 1348px #fff,
        204px 1975px #fff, 363px 1594px #fff, 1487px 1900px #fff, 621px 201px #fff,
        398px 1681px #fff, 899px 1557px #fff, 1171px 788px #fff, 1334px 240px #fff,
        380px 200px #fff, 1584px 1263px #fff, 1475px 649px #fff, 1566px 1291px #fff,
        1911px 414px #fff, 1741px 1583px #fff, 1987px 638px #fff, 1543px 535px #fff,
        322px 1844px #fff, 1656px 954px #fff, 1351px 1010px #fff, 1943px 249px #fff,
        575px 758px #fff, 995px 1371px #fff, 1035px 22px #fff, 430px 842px #fff,
        649px 482px #fff, 434px 399px #fff, 5px 810px #fff, 1277px 544px #fff,
        96px 810px #fff, 1523px 1516px #fff, 1967px 994px #fff, 337px 1693px #fff,
        1444px 776px #fff, 1499px 581px #fff, 1036px 598px #fff, 51px 423px #fff,
        25px 487px #fff, 420px 1651px #fff, 979px 1362px #fff, 1725px 1397px #fff,
        564px 96px #fff, 158px 571px #fff, 1760px 220px #fff, 615px 1714px #fff,
        188px 663px #fff, 1519px 1939px #fff, 776px 578px #fff, 177px 1303px #fff,
        333px 1965px #fff, 557px 760px #fff, 1624px 305px #fff, 606px 34px #fff,
        153px 135px #fff, 1566px 805px #fff, 1288px 1189px #fff, 153px 1896px #fff,
        1913px 1830px #fff, 785px 6px #fff, 72px 226px #fff, 867px 637px #fff,
        635px 56px #fff, 1395px 1776px #fff, 789px 1525px #fff, 566px 154px #fff,
        1781px 1140px #fff, 652px 655px #fff, 1301px 1595px #fff, 1536px 1990px #fff,
        1467px 118px #fff, 1733px 67px #fff;
}

/* 2px 中等星星 (200个) */
.stars2 {
    position: absolute;
    left: 50%;
    margin-left: -1000px;
    width: 2px;
    height: 2px;
    background: transparent;
    animation: animStar 100s linear infinite;
    box-shadow: 1756px 1021px #fff, 499px 224px #fff, 580px 800px #fff,
        1944px 1215px #fff, 961px 659px #fff, 784px 1683px #fff, 994px 1133px #fff,
        186px 1133px #fff, 707px 311px #fff, 1961px 1375px #fff, 1796px 1863px #fff,
        1083px 680px #fff, 1118px 979px #fff, 489px 911px #fff, 790px 1972px #fff,
        1340px 118px #fff, 138px 1159px #fff, 7px 73px #fff, 1450px 1965px #fff,
        829px 1875px #fff, 193px 1285px #fff, 1111px 983px #fff, 160px 1019px #fff,
        1357px 1696px #fff, 1042px 1960px #fff, 437px 859px #fff, 393px 343px #fff,
        151px 931px #fff, 997px 913px #fff, 1780px 1967px #fff, 1557px 1250px #fff,
        1447px 1884px #fff, 874px 1759px #fff, 1600px 1582px #fff, 732px 944px #fff,
        1830px 1342px #fff, 261px 1484px #fff, 362px 1114px #fff, 1677px 955px #fff,
        181px 484px #fff, 83px 1235px #fff, 13px 624px #fff, 1521px 1480px #fff,
        929px 1947px #fff, 1135px 1077px #fff, 73px 793px #fff, 1892px 536px #fff,
        255px 641px #fff, 1320px 972px #fff, 412px 809px #fff, 717px 1072px #fff,
        966px 674px #fff, 895px 1984px #fff, 460px 1524px #fff, 469px 316px #fff,
        991px 185px #fff, 333px 1588px #fff, 105px 1104px #fff, 1875px 203px #fff,
        1778px 332px #fff, 1209px 922px #fff, 1048px 1547px #fff, 1680px 888px #fff,
        1031px 1421px #fff, 1757px 72px #fff, 823px 1826px #fff, 1279px 42px #fff,
        1994px 801px #fff, 1573px 162px #fff, 103px 1658px #fff, 1174px 917px #fff,
        1087px 980px #fff, 658px 173px #fff, 1100px 1397px #fff, 251px 1678px #fff,
        1306px 205px #fff, 208px 1095px #fff, 1466px 1536px #fff, 41px 1817px #fff,
        204px 18px #fff, 24px 1496px #fff, 33px 977px #fff, 1529px 586px #fff,
        513px 1577px #fff, 1268px 1864px #fff, 707px 1834px #fff, 1811px 24px #fff,
        1303px 388px #fff, 782px 962px #fff, 1906px 1831px #fff, 1479px 1856px #fff,
        166px 290px #fff, 238px 728px #fff, 1501px 1603px #fff, 1864px 762px #fff,
        6px 195px #fff, 757px 1447px #fff, 1164px 653px #fff, 717px 1408px #fff,
        1967px 518px #fff, 1576px 1178px #fff, 89px 778px #fff, 1635px 171px #fff,
        1895px 623px #fff, 1918px 1798px #fff, 887px 1495px #fff, 1203px 676px #fff,
        481px 1004px #fff, 690px 1220px #fff, 1643px 1149px #fff, 867px 1494px #fff,
        158px 823px #fff, 1837px 1864px #fff, 1694px 331px #fff, 636px 1958px #fff,
        1236px 1065px #fff, 108px 1973px #fff, 1472px 194px #fff, 898px 1670px #fff,
        309px 277px #fff, 1945px 1246px #fff, 1278px 277px #fff, 1004px 1891px #fff,
        1036px 1554px #fff, 1848px 389px #fff, 536px 1348px #fff, 1118px 707px #fff,
        1864px 139px #fff, 535px 1332px #fff, 1095px 263px #fff, 954px 957px #fff,
        96px 122px #fff, 1651px 1054px #fff, 652px 1165px #fff, 298px 618px #fff,
        296px 464px #fff, 780px 1385px #fff, 1482px 1256px #fff, 1272px 355px #fff,
        1626px 933px #fff, 1080px 1345px #fff, 1560px 1560px #fff, 403px 1557px #fff,
        480px 1418px #fff, 1484px 1234px #fff, 929px 686px #fff, 1324px 232px #fff,
        1429px 950px #fff, 281px 90px #fff, 383px 517px #fff, 1089px 671px #fff,
        30px 1834px #fff, 1803px 703px #fff, 577px 607px #fff, 66px 1058px #fff,
        172px 1861px #fff, 112px 1152px #fff, 219px 161px #fff, 328px 1506px #fff,
        487px 1805px #fff, 437px 3px #fff, 1761px 1528px #fff, 1576px 1891px #fff,
        1159px 1682px #fff, 285px 1356px #fff, 1801px 215px #fff, 450px 1975px #fff,
        657px 1737px #fff, 1245px 405px #fff, 1673px 1661px #fff, 1744px 223px #fff,
        492px 572px #fff, 725px 2000px #fff, 425px 30px #fff, 286px 105px #fff,
        643px 209px #fff, 772px 161px #fff, 1341px 1793px #fff, 1257px 1135px #fff,
        350px 1978px #fff, 1109px 1231px #fff, 1983px 1486px #fff, 630px 1501px #fff,
        139px 315px #fff, 1305px 188px #fff, 1555px 558px #fff, 1944px 1057px #fff,
        1922px 234px #fff, 1531px 1960px #fff, 1231px 105px #fff, 101px 66px #fff,
        839px 1749px #fff, 1374px 293px #fff, 1868px 1121px #fff, 759px 1772px #fff,
        1188px 1360px #fff, 1826px 515px #fff, 436px 1574px #fff, 402px 1248px #fff,
        1334px 743px #fff;
}

.stars2::after {
    content: ' ';
    position: absolute;
    top: 2000px;
    width: 2px;
    height: 2px;
    background: transparent;
    box-shadow: 1756px 1021px #fff, 499px 224px #fff, 580px 800px #fff,
        1944px 1215px #fff, 961px 659px #fff, 784px 1683px #fff, 994px 1133px #fff,
        186px 1133px #fff, 707px 311px #fff, 1961px 1375px #fff, 1796px 1863px #fff,
        1083px 680px #fff, 1118px 979px #fff, 489px 911px #fff, 790px 1972px #fff,
        1340px 118px #fff, 138px 1159px #fff, 7px 73px #fff, 1450px 1965px #fff,
        829px 1875px #fff, 193px 1285px #fff, 1111px 983px #fff, 160px 1019px #fff,
        1357px 1696px #fff, 1042px 1960px #fff, 437px 859px #fff, 393px 343px #fff,
        151px 931px #fff, 997px 913px #fff, 1780px 1967px #fff, 1557px 1250px #fff,
        1447px 1884px #fff, 874px 1759px #fff, 1600px 1582px #fff, 732px 944px #fff,
        1830px 1342px #fff, 261px 1484px #fff, 362px 1114px #fff, 1677px 955px #fff,
        181px 484px #fff, 83px 1235px #fff, 13px 624px #fff, 1521px 1480px #fff,
        929px 1947px #fff, 1135px 1077px #fff, 73px 793px #fff, 1892px 536px #fff,
        255px 641px #fff, 1320px 972px #fff, 412px 809px #fff, 717px 1072px #fff,
        966px 674px #fff, 895px 1984px #fff, 460px 1524px #fff, 469px 316px #fff,
        991px 185px #fff, 333px 1588px #fff, 105px 1104px #fff, 1875px 203px #fff,
        1778px 332px #fff, 1209px 922px #fff, 1048px 1547px #fff, 1680px 888px #fff,
        1031px 1421px #fff, 1757px 72px #fff, 823px 1826px #fff, 1279px 42px #fff,
        1994px 801px #fff, 1573px 162px #fff, 103px 1658px #fff, 1174px 917px #fff,
        1087px 980px #fff, 658px 173px #fff, 1100px 1397px #fff, 251px 1678px #fff,
        1306px 205px #fff, 208px 1095px #fff, 1466px 1536px #fff, 41px 1817px #fff,
        204px 18px #fff, 24px 1496px #fff, 33px 977px #fff, 1529px 586px #fff,
        513px 1577px #fff, 1268px 1864px #fff, 707px 1834px #fff, 1811px 24px #fff,
        1303px 388px #fff, 782px 962px #fff, 1906px 1831px #fff, 1479px 1856px #fff,
        166px 290px #fff, 238px 728px #fff, 1501px 1603px #fff, 1864px 762px #fff,
        6px 195px #fff, 757px 1447px #fff, 1164px 653px #fff, 717px 1408px #fff,
        1967px 518px #fff, 1576px 1178px #fff, 89px 778px #fff, 1635px 171px #fff,
        1895px 623px #fff, 1918px 1798px #fff, 887px 1495px #fff, 1203px 676px #fff,
        481px 1004px #fff, 690px 1220px #fff, 1643px 1149px #fff, 867px 1494px #fff,
        158px 823px #fff, 1837px 1864px #fff, 1694px 331px #fff, 636px 1958px #fff,
        1236px 1065px #fff, 108px 1973px #fff, 1472px 194px #fff, 898px 1670px #fff,
        309px 277px #fff, 1945px 1246px #fff, 1278px 277px #fff, 1004px 1891px #fff,
        1036px 1554px #fff, 1848px 389px #fff, 536px 1348px #fff, 1118px 707px #fff,
        1864px 139px #fff, 535px 1332px #fff, 1095px 263px #fff, 954px 957px #fff,
        96px 122px #fff, 1651px 1054px #fff, 652px 1165px #fff, 298px 618px #fff,
        296px 464px #fff, 780px 1385px #fff, 1482px 1256px #fff, 1272px 355px #fff,
        1626px 933px #fff, 1080px 1345px #fff, 1560px 1560px #fff, 403px 1557px #fff,
        480px 1418px #fff, 1484px 1234px #fff, 929px 686px #fff, 1324px 232px #fff,
        1429px 950px #fff, 281px 90px #fff, 383px 517px #fff, 1089px 671px #fff,
        30px 1834px #fff, 1803px 703px #fff, 577px 607px #fff, 66px 1058px #fff,
        172px 1861px #fff, 112px 1152px #fff, 219px 161px #fff, 328px 1506px #fff,
        487px 1805px #fff, 437px 3px #fff, 1761px 1528px #fff, 1576px 1891px #fff,
        1159px 1682px #fff, 285px 1356px #fff, 1801px 215px #fff, 450px 1975px #fff,
        657px 1737px #fff, 1245px 405px #fff, 1673px 1661px #fff, 1744px 223px #fff,
        492px 572px #fff, 725px 2000px #fff, 425px 30px #fff, 286px 105px #fff,
        643px 209px #fff, 772px 161px #fff, 1341px 1793px #fff, 1257px 1135px #fff,
        350px 1978px #fff, 1109px 1231px #fff, 1983px 1486px #fff, 630px 1501px #fff,
        139px 315px #fff, 1305px 188px #fff, 1555px 558px #fff, 1944px 1057px #fff,
        1922px 234px #fff, 1531px 1960px #fff, 1231px 105px #fff, 101px 66px #fff,
        839px 1749px #fff, 1374px 293px #fff, 1868px 1121px #fff, 759px 1772px #fff,
        1188px 1360px #fff, 1826px 515px #fff, 436px 1574px #fff, 402px 1248px #fff,
        1334px 743px #fff;
}

/* 3px 大星星 (100个) */
.stars3 {
    width: 3px;
    height: 3px;
    background: transparent;
    animation: animStar 150s linear infinite;
    box-shadow: 815px 576px #fff, 1851px 1984px #fff, 933px 1759px #fff,
        624px 291px #fff, 1872px 129px #fff, 795px 1679px #fff, 1029px 879px #fff,
        660px 96px #fff, 424px 59px #fff, 344px 525px #fff, 1542px 1566px #fff,
        844px 1998px #fff, 794px 868px #fff, 1600px 1943px #fff, 825px 59px #fff,
        1149px 286px #fff, 508px 712px #fff, 702px 1211px #fff, 73px 1013px #fff,
        1755px 385px #fff, 385px 1979px #fff, 1425px 255px #fff, 1556px 558px #fff,
        3px 1096px #fff, 1924px 765px #fff, 1794px 771px #fff, 465px 1674px #fff,
        1114px 1212px #fff, 926px 1437px #fff, 1732px 1969px #fff, 837px 84px #fff,
        1979px 1421px #fff, 1469px 1677px #fff, 1404px 803px #fff,
        1971px 1868px #fff, 1251px 1081px #fff, 414px 1218px #fff, 346px 1824px #fff,
        201px 1250px #fff, 8px 1551px #fff, 51px 950px #fff, 739px 1545px #fff,
        1225px 1468px #fff, 1797px 272px #fff, 91px 824px #fff, 1820px 1346px #fff,
        1704px 632px #fff, 65px 1117px #fff, 640px 515px #fff, 1574px 1885px #fff,
        932px 431px #fff, 137px 1019px #fff, 1000px 25px #fff, 1774px 111px #fff,
        1791px 606px #fff, 1914px 1683px #fff, 1388px 764px #fff, 1042px 338px #fff,
        1744px 481px #fff, 1134px 1573px #fff, 869px 542px #fff, 1px 431px #fff,
        241px 660px #fff, 880px 924px #fff, 908px 663px #fff, 965px 706px #fff,
        778px 69px #fff, 436px 675px #fff, 161px 1254px #fff, 1853px 1205px #fff,
        436px 624px #fff, 1742px 783px #fff, 868px 48px #fff, 1454px 1109px #fff,
        293px 133px #fff, 1693px 1762px #fff, 154px 620px #fff, 1301px 1460px #fff,
        204px 1003px #fff, 1937px 1931px #fff, 1391px 614px #fff, 1466px 596px #fff,
        526px 1954px #fff, 1248px 18px #fff, 851px 1663px #fff, 593px 1015px #fff,
        1330px 168px #fff, 321px 1059px #fff, 1721px 276px #fff, 81px 261px #fff,
        1153px 351px #fff, 1837px 1049px #fff, 859px 419px #fff, 1184px 1114px #fff,
        666px 455px #fff, 1178px 170px #fff, 1994px 1620px #fff, 1353px 299px #fff,
        198px 928px #fff, 404px 792px #fff;
}

.stars3::after {
    content: ' ';
    position: absolute;
    top: 2000px;
    width: 3px;
    height: 3px;
    background: transparent;
    box-shadow: 815px 576px #fff, 1851px 1984px #fff, 933px 1759px #fff,
        624px 291px #fff, 1872px 129px #fff, 795px 1679px #fff, 1029px 879px #fff,
        660px 96px #fff, 424px 59px #fff, 344px 525px #fff, 1542px 1566px #fff,
        844px 1998px #fff, 794px 868px #fff, 1600px 1943px #fff, 825px 59px #fff,
        1149px 286px #fff, 508px 712px #fff, 702px 1211px #fff, 73px 1013px #fff,
        1755px 385px #fff, 385px 1979px #fff, 1425px 255px #fff, 1556px 558px #fff,
        3px 1096px #fff, 1924px 765px #fff, 1794px 771px #fff, 465px 1674px #fff,
        1114px 1212px #fff, 926px 1437px #fff, 1732px 1969px #fff, 837px 84px #fff,
        1979px 1421px #fff, 1469px 1677px #fff, 1404px 803px #fff,
        1971px 1868px #fff, 1251px 1081px #fff, 414px 1218px #fff, 346px 1824px #fff,
        201px 1250px #fff, 8px 1551px #fff, 51px 950px #fff, 739px 1545px #fff,
        1225px 1468px #fff, 1797px 272px #fff, 91px 824px #fff, 1820px 1346px #fff,
        1704px 632px #fff, 65px 1117px #fff, 640px 515px #fff, 1574px 1885px #fff,
        932px 431px #fff, 137px 1019px #fff, 1000px 25px #fff, 1774px 111px #fff,
        1791px 606px #fff, 1914px 1683px #fff, 1388px 764px #fff, 1042px 338px #fff,
        1744px 481px #fff, 1134px 1573px #fff, 869px 542px #fff, 1px 431px #fff,
        241px 660px #fff, 880px 924px #fff, 908px 663px #fff, 965px 706px #fff,
        778px 69px #fff, 436px 675px #fff, 161px 1254px #fff, 1853px 1205px #fff,
        436px 624px #fff, 1742px 783px #fff, 868px 48px #fff, 1454px 1109px #fff,
        293px 133px #fff, 1693px 1762px #fff, 154px 620px #fff, 1301px 1460px #fff,
        204px 1003px #fff, 1937px 1931px #fff, 1391px 614px #fff, 1466px 596px #fff,
        526px 1954px #fff, 1248px 18px #fff, 851px 1663px #fff, 593px 1015px #fff,
        1330px 168px #fff, 321px 1059px #fff, 1721px 276px #fff, 81px 261px #fff,
        1153px 351px #fff, 1837px 1049px #fff, 859px 419px #fff, 1184px 1114px #fff,
        666px 455px #fff, 1178px 170px #fff, 1994px 1620px #fff, 1353px 299px #fff,
        198px 928px #fff, 404px 792px #fff;
}

/* 动画 */
@keyframes animStar {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(-2000px);
    }
}