:root{--title-color: #ffffff;--background-color: #191919;--text-color: #bcb9b6;--link-color: #FF6A2C;--link-hover-color: #ff9a3b;--yeQian-bg: #5d271675;--yeQian-line: #672C18;--button-bg: #ffffffc9;--button-text: #1a1a1a;--card-bg: #47474721;--line-color: #3f3f3f;--footer-bg: #0C0C0C;--z-nav: 100;--z-modal: 20;--z-modal-content: 200;--z-controls: 120}[data-theme=light]{--title-color: #1d1d1d;--background-color: #f7f7f7;--text-color: #333;--link-color: #FF6A2C;--link-hover-color: #ff9a3b;--yeQian-bg: #ffffff;--yeQian-line: #d8d8d8;--button-bg: #333;--button-text: #ffffff;--card-bg: #ffffff;--line-color: #d8d8d8;--footer-bg: #ffffff}*{box-sizing:border-box;padding:0;margin:0}.no-scroll{overflow:hidden}body{overflow-x:hidden;color:var(--text-color);transition:var(--background-color) .3s,color .3s;line-height:1.6;font-size:1rem}body,html{height:100vh;width:100%;box-sizing:border-box;padding:0;margin:0;font-family:Microsoft YaHei,Noto Sans SC,PingFang SC,Arial,"system-ui","sans-serif",swap;background-color:var(--background-color);scroll-padding-top:76px;scroll-behavior:smooth}.container{width:100%;max-width:1400px;padding:0 36px;margin:0 auto}h1{display:block;color:var(--title-color);font-family:ShiShangZhongHeiJianTi;font-weight:400;font-size:1.6rem;line-height:1.6rem;padding-bottom:4px;margin:0}h3{font-size:1.6rem;line-height:2rem;font-weight:400;color:var(--title-color)}p{font-size:1.2rem;line-height:1.6em;color:var(--text-color);margin:0}a{text-decoration:none;color:var(--title-color);font-weight:500}header{position:fixed;top:0;width:100%;background:var(--background-color);border-bottom:1px solid rgba(51,51,51,.1);z-index:var(--z-nav)}#headerTop{display:flex;justify-content:space-between;align-items:center}.logo{height:auto;display:flex;align-items:center;min-width:150px;padding:20px 0 10px}.logo img{width:54px;aspect-ratio:1}.logo>a{display:flex;align-items:center}.logo-text{display:flex;flex-direction:column;justify-content:space-between;align-items:flex-start;padding-left:12px}.logo-text p{font-size:.8rem;line-height:.8rem}.nav-links{display:flex;list-style:none;gap:30px;margin:0}.nav-links li{padding:20px 0}.nav-links a{position:relative;padding:10px 0;text-decoration:none;font-weight:400;font-size:1.2rem;color:var(--text-color);transition:all .3s}.nav-links a:after{position:absolute;content:"";width:0%;height:2px;background-color:var(--link-color);border-radius:1px;bottom:0;left:50%;transition:all .3s ease-in-out}.nav-links a.active{color:var(--title-color)}.nav-links a:hover:after,.nav-links a.active:after{width:100%;left:0}.mobile-menu{display:none}.mobile-menu div{background-color:var(--title-color);width:28px;height:3px;margin:8px;transition:all .3s ease-in-out}.language-selector{position:relative;padding:4px 15px;border-radius:8px;background-color:#fff0;display:flex;justify-content:center;align-items:center}.language-selector:hover{background-color:#ffffff1c;cursor:pointer;transition:all .3s ease-in-out}.language-toggle{display:flex;align-items:center;justify-content:space-between;min-width:50px;height:100%;text-align:center}.language-toggle .iconfont{font-size:24px}.language-toggle .current-lang{width:26px}.language-menu{position:absolute;top:100%;right:0;margin-top:8px;background-color:var(--background-color);border:1px solid var(--line-color);border-radius:8px;box-shadow:0 4px 12px #00000026;opacity:0;visibility:hidden;transform:translateY(-10px);transition:all .3s ease-in-out;z-index:1000;min-width:120px}.language-selector:hover .language-menu,.language-menu:hover{opacity:1;visibility:visible;transform:translateY(0)}.language-option{padding:12px 16px;cursor:pointer;transition:background-color .2s ease;color:var(--text-color);font-size:14px;text-align:center;border-radius:6px;margin:4px}.language-option:first-child{margin-top:8px}.language-option:last-child{margin-bottom:8px}.language-option:hover{background-color:var(--button-bg);color:var(--button-text)}.language-option.active{background-color:var(--link-color);color:#fff}.headTop{height:78px}section{width:100%;padding-bottom:78px}.titleTop{padding-top:50px}.title-com{width:100%;margin:0 auto 60px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:20px}.title-en{font-size:1.6rem;line-height:1.8rem;font-weight:400;color:var(--link-color);margin:0}.title-zh{font-size:2.5rem;line-height:2.8rem;font-weight:500;color:var(--title-color);margin:0}.title-com hr{width:100%;max-width:1400px;border:none;height:1px;background-color:#6e6e6e66;margin:0 30px}.title-card{font-size:1.6rem;letter-spacing:2px;text-align:center;font-weight:500;color:var(--title-color)}footer{width:100%;background-color:var(--footer-bg);color:var(--text-color);padding:30px 0 20px;margin:0}footer .container{display:flex;flex-direction:column;justify-content:space-evenly;max-width:1400px}footer .contact-info{width:100%;display:flex;justify-content:space-between;margin-bottom:20px;padding:0}footer .contact-item-left{display:flex;flex-direction:column;justify-content:space-around;align-items:flex-start}footer .contact-item-right{display:flex;justify-content:center;align-items:center;padding:20px 0}footer h5{font-size:1.1rem;font-weight:500}footer ul{display:flex;flex-direction:column;flex-wrap:wrap;justify-content:flex-start;align-content:space-evenly;max-width:768px}footer ul li{display:flex;justify-content:flex-start;align-items:center;list-style:none;min-width:220px}footer ul li p{color:var(--text-color);padding-left:10px;font-size:1rem;margin:5px 0}footer li .phone-num{color:var(--title-color);padding-left:0;font-size:2rem}footer li .iconfont{font-size:1.6rem;color:var(--text-color)}footer hr{width:100%;border:none;height:1px;background-color:#e2e2e2;margin-bottom:18px}footer .endText{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:10px}footer .endText p{font-size:1rem;color:var(--text-color)}#side-control{position:fixed;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;right:10px;top:80%;gap:10px;z-index:var(--z-controls)}#backTop.show{transform:translateY(0);opacity:1}#backTop .icon-back{font-size:1.6rem}#side-control .iconfont{font-size:1.4rem;line-height:40px;color:var(--button-text)}#toggleButton.active .icon-moon,#toggleButton.active .icon-sunny{display:block}#side-control button{background-color:var(--button-bg)}#side-control button:hover{transform:scale(1.1);background-color:var(--link-color);transition:.2s}#playButton,#toggleButton,#backTop{min-height:44px;min-width:44px;display:flex;align-items:center;justify-content:center;cursor:pointer;border-radius:50%;border:0;box-shadow:#00000013 0 2px 6px;z-index:var(--z-controls)}#playButton:hover,#toggleButton:hover,#backTop:hover{box-shadow:#33333367 0 2px 6px;transition:all .3s ease-in-out}#playButton .iconfont{font-size:20px;color:var(--button-text);position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}#playButton .icon-stop{display:none}#backTop{bottom:20px;transform:translateY(70px);opacity:0;transition:all .3s ease-in-out}@media (max-width: 900px){header{box-shadow:none}section{padding-bottom:50px}.container{padding-left:20px;padding-right:20px}.headerTop{position:relative}nav{order:2}.language-selector{position:absolute;padding:4px 10px;right:70px;order:1}.nav-links{padding-top:7vh;position:absolute;top:76px;left:0;bottom:0;width:100%;height:calc(100vh - 76px);background-color:var(--background-color);flex-direction:column;align-items:center;justify-content:flex-start;transform:translate(100%);transition:all .3s ease-in-out}.nav-links.open{transform:translate(0)}.nav-links li{padding:0;width:90%;display:flex;flex-direction:column;text-align:center;margin:1vh;transform:translate(100%);opacity:0}.nav-links li a{font-size:1.4rem}.nav-links a:after{display:none}.mobile-menu{display:block;z-index:100;cursor:pointer;padding:10px}.mobile-menu.active div{transition:.3s ease-in-out .1s}.mobile-menu.active .top-line{transform:rotate(-45deg) translate(-7px,8px)}.mobile-menu.active .middle-line{opacity:0;transform:translate(50%);transition:.3s ease-in-out}.mobile-menu.active .bottom-line{transform:rotate(45deg) translate(-8px,-8px)}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.title-en{font-size:1.4rem;line-height:1.6rem}.title-zh{font-size:2rem;line-height:2rem}.title-card{text-align:start;font-weight:500;color:var(--title-color)}footer ul{padding-left:0}footer .endText{font-size:.8rem;margin:0}}@media (max-width: 768px){.modal-content{width:80vw;max-width:80vw;max-height:90vh}#modal-video{width:100%;max-height:90vh}.video-close{font-size:40px;right:20px}footer .contact-info,footer .contact-item-left,footer ul{display:flex;flex-direction:column;justify-content:center;align-items:center}footer h5{display:none}footer li .phone-num{margin:20px 0}footer ul li{padding-right:0;align-items:flex-start}footer li .iconfont{font-size:1.4rem}}@media (max-width: 576px){.logo{padding:10px 0}.logo img{width:44px}.logo>a{display:flex;align-items:center}.logo-text{display:flex;flex-direction:column;justify-content:space-between;align-items:flex-start;padding-left:12px}h1{font-weight:400;font-size:1.8rem;line-height:1.8rem;padding-bottom:0}.nav-links{padding-top:7vh;position:absolute;top:64px;left:0;bottom:0;width:100%;height:calc(100vh - 64px)}.logo-text p{display:none}.right-sm{padding:16px;width:94vw;margin:0 auto 10px}.title-com{margin-bottom:20px}.title-zh{font-size:2rem;line-height:2.4rem}.title-card{text-align:center}.wx-qrcode{max-width:100px;aspect-ratio:1}}.modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background-color:#000000d9;z-index:201}.modal-content{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);max-width:95vw;max-height:95vh;z-index:var(--z-modal-content);transition:transform .4s ease-out;display:flex;align-items:center;justify-content:center;background:transparent}#modal-video{width:100%;height:auto;max-height:90vh;object-fit:contain;display:block}.video-close{position:absolute;top:20px;right:30px;color:#e0e0e0;font-size:40px;font-weight:700;padding:10px;cursor:pointer;z-index:var(--z-modal)}.video-close:hover,.video-close:focus{color:#fff;text-decoration:none;cursor:pointer}.drag-overlay{position:absolute;top:0;left:0;right:0;bottom:0;cursor:move;z-index:var(--z-modal);background:transparent;display:block}