.sc2 .txt{width:68vw;position:absolute;top:1.5rem;left:16vw;z-index:6}.sc2 .plane{width:11vw;position:absolute;left:0;top:0;transform:translate(120vw, 130vw);animation:sc2_plane 8s linear infinite;z-index:3}.sc2 .smoke{width:130vw;position:absolute;left:-10vw;transform-origin:100% 100%;transform:rotateY(90deg);animation:sc2_smoke 8s linear infinite}@keyframes sc2_plane{0%{transform:translate(120vw, 68vw)}90%,100%{transform:translate(-120vw, -53vw)}}@keyframes sc2_smoke{0%{transform:scale(0)}48%{transform:scale(1);opacity:1}100%{transform:scale(1.6);opacity:0}}.sc3 .people1{width:34vw;position:absolute;left:4vw;top:1.6rem}.sc3 .people1 .talk{width:77vw;position:absolute;left:6.5vw;bottom:90%;transform-origin:10% 100%;transform:scale(0)}.sc3 .people2{width:46vw;position:absolute;right:4vw;top:4.1rem;z-index:6}.sc3 .people2 .talk{width:56vw;position:absolute;left:-12vw;bottom:95%;transform-origin:50% 100%;transform:scale(0)}.sc3 .gear{width:16.6vw;height:16.6vw;position:absolute;left:26.4vw;top:.3rem}.sc3 .gear .click{width:16.6vw;height:16.6vw;border-radius:50%;overflow:hidden;background:url(../img/first/c3.png) no-repeat 50% 50%/60% #fff;position:relative;z-index:3;transition:background-position .3s}.sc3 .gear .click_on{background-position:50% 200%}.sc3 .gear .click_on::before{animation:repearShow .3s forwards}.sc3 .gear .click::before{content:"";width:100%;height:100%;position:absolute;left:0;bottom:0;background:url(../img/first/c3a.png) no-repeat 50% 50%/70% #fff;transform:translateY(-100%)}.sc3 .gear::before{content:"";width:32vw;height:32vw;position:absolute;left:calc(50% - 16vw);top:calc(50% - 16vw);background:url(../img/first/c3b.png) no-repeat 50% 50%/cover;animation:gearRoll 6s infinite linear}.sc3 .repear{width:100%;position:relative;margin-top:-1px}.sc3 .repear.click_on::before{opacity:1}.sc3 .repear.click_on .gear::before{animation-direction:reverse}.sc3 .repear::before{content:"";width:100%;height:100%;position:absolute;background:url(../img/first/cBg3.jpg) no-repeat 50% 50%/contain;opacity:0;transition:opacity 1s}.sc3 .cloud{width:100vw;position:absolute;left:0;bottom:0;z-index:10}.sc3 .screen{width:90vw;height:56vw;position:absolute;left:5vw;bottom:4.6rem;background:url(../img/first/c4.png) no-repeat 50% 50%/cover}.sc3 .screen.click_on .plane{background:url(../img/first/c4a.png) no-repeat 50% 50%/0%;transition-delay:0s}.sc3 .screen.click_on .plane1{width:100%;transition-delay:0s}.sc3 .screen .plane{width:100%;height:100%;position:absolute;left:0;top:0;background:url(../img/first/c4a.png) no-repeat 50% 50%/80%;display:flex;align-items:center;transition:all .5s}.sc3 .screen .plane1{width:0;overflow:hidden;transform-origin:0 50%;transform:scale(1.1);transition:width .5s}.sc3 .screen .plane1 img{width:100vw}@keyframes gearRoll{0%{transform:rotate(0)}100%{transform:rotate(-360deg)}}@keyframes repearShow{0%{transform:translateY(-100%)}100%{transform:translateY(0)}}.sc4 .txt{width:88.6vw;position:absolute;left:6vw;top:.6rem}.sc4 .man1{width:13vw;position:absolute;left:5vw;top:7rem;z-index:3}.sc4 .man2{width:30vw;position:absolute;left:12vw;top:8.3rem}.sc4 .lady{width:24vw;position:absolute;left:47vw;top:5.2rem}.sc5 .txt{width:76vw;position:absolute;left:12vw;top:0}.sc5 .ship{width:69vw;position:absolute;top:4rem;right:-3px;z-index:6}.sc5 .ship_pai{width:27vw;position:absolute;left:12vw;top:4rem;z-index:3}.sc5 .train{width:85vw;position:absolute;left:0;top:10rem;z-index:6}.sc5 .train_pai{width:30vw;position:absolute;left:57vw;top:9.2rem;z-index:3}.sc5 .tank{width:88vw;position:absolute;right:-2px;bottom:.5rem;z-index:6}.sc5 .tank_pai{width:40vw;position:absolute;right:4vw;bottom:3.9rem;z-index:3}.sc5 .way{width:100vw;height:0%;overflow:hidden;position:absolute;left:0;top:0}/*# sourceMappingURL=first.min.css.map */