html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,embed,figure,figcaption,footer,header,hgroup,menu,nav,output,ruby,section,summary,time,mark,audio,video{margin:0;padding:0;border:0;font-size:100%;font:inherit;vertical-align:baseline;box-sizing:border-box}article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block;box-sizing:border-box}ol,ul{list-style:none}blockquote,q{quotes:none}blockquote:before,blockquote:after,q:before,q:after{content:'';content:none}table{border-collapse:collapse;border-spacing:0}button,input,optgroup,select,textarea{margin:0;padding:0;border:0;font-size:100%;font:inherit;vertical-align:baseline}button,input{overflow:visible}button,select{text-transform:none}button,[type="button"],[type="reset"],[type="submit"]{cursor:pointer}button::-moz-focus-inner,[type="button"]::-moz-focus-inner,[type="reset"]::-moz-focus-inner,[type="submit"]::-moz-focus-inner{border-style:none;padding:0}button:-moz-focusring,[type="button"]:-moz-focusring,[type="reset"]:-moz-focusring,[type="submit"]:-moz-focusring{outline:1px dotted ButtonText}textarea{overflow:auto}fieldset{padding:0;border:0;margin:0}legend{color:inherit;display:block;padding:0;white-space:normal}progress{vertical-align:baseline}hr{box-sizing:content-box;height:0;overflow:visible}pre{font-family:monospace,monospace;font-size:1em}a{background-color:transparent;text-decoration:none;color:inherit}abbr[title]{border-bottom:none;text-decoration:underline;text-decoration:underline dotted}code,kbd,samp{font-family:monospace,monospace;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-0.25em}sup{top:-0.5em}img{border-style:none}svg:not(:root){overflow:hidden}iframe{border:0}audio,video{display:inline-block}canvas{display:inline-block}template{display:none}[hidden]{display:none}:root{--font-primary:'Inter','system-ui','-apple-system','BlinkMacSystemFont','Microsoft YaHei','Noto Sans SC','sans-serif';--brand-color:rgba(203,39,45,0.85);--accent-color:#C00000;--color-white:#FFFFFF;--color-black:#000000;--color-primary-1:#F6F6F6;--color-primary-2:#F0F0F0;--color-primary-3:#E6E6E6;--color-primary-4:#DDDDDD;--color-primary-5:#C0C0C0;--color-primary-6:#A7A7A7;--color-primary-7:#878787;--color-primary-8:#656565;--color-primary-9:#545454;--color-primary-10:#404040;--color-primary-11:#303030;--bg-color-hover:#F9F9F9;--text-color:#333333;--light-text:#666666;--border-color:#e2e8f0;--blockquote-bg:#FBF1F1;--table-header-bg:#FBF1F1;--table-row-hover:#FCF3F244;--tag-bg:#FCF3F2;--tag-color:rgba(192,0,0,0.8);--nav-color:rgba(0,0,0,0.95);--footer-color:rgba(0,0,0);--line-height:1.75;--line-height-heading:1.3;--spacing-xs:0.5rem;--spacing-sm:0.75rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-xxl:3rem;--spacing-xs-mobile:0.375rem;--spacing-sm-mobile:0.5rem;--spacing-md-mobile:0.75rem;--spacing-lg-mobile:1rem;--spacing-xl-mobile:1.25rem;--spacing-xxl-mobile:1.5rem;--border-radius:4px;--border-radius-lg:6px;--shadow-sm:0 1px 2px rgba(0,0,0,0.05);--shadow-md:0 1px 3px rgba(0,0,0,0.1),0 1px 2px rgba(0,0,0,0.06);--shadow-lg:0 4px 6px rgba(0,0,0,0.05),0 1px 3px rgba(0,0,0,0.1);--container-width-desktop:80%;--container-width-mobile:90%;--max-width:1200px;--bounce-height:0.8em;--animation-duration:1s;--char-delay:0.1s;--transition:all 0.3s ease}button,a,input,[onclick],[role="button"]{-webkit-tap-highlight-color:transparent}div{-webkit-tap-highlight-color:transparent}body{overflow-x:hidden;font-size:16px;line-height:1.5;font-family:var(--font-primary);font-optical-sizing:auto;text-rendering:optimizeLegibility;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none}a,button{-webkit-tap-highlight-color:rgba(0,0,0,0)}.selectable{user-select:text;-webkit-user-select:text;-moz-user-select:text;-ms-user-select:text}#header-container{display:none}.nav{height:5rem;width:100vw;background:url("/images/nav-bg.jpg") no-repeat center / cover;position:fixed;top:0;z-index:99999}.nav .navbar{text-align:center;display:flex;justify-content:space-between;align-items:center;position:relative;box-sizing:border-box}.nav .navbar .logo{width:auto;height:2.5rem;display:flex;align-items:center;cursor:pointer}.nav .logo img{height:100%}.nav .menu{display:flex}.nav .menu .menu-item{display:inline-block;height:5rem;line-height:5rem;padding:0 1rem;color:var( --color-primary-4);font-weight:600;position:relative;transition:color 0.3s}.nav .menu .menu-item.active{color:var(--brand-color)}.nav .menu .menu-item::after{content:'';position:absolute;left:0;bottom:3px;width:100%;height:2px;background:var(--brand-color);transform:scaleX(0);transform-origin:right;transition:transform 0.3s ease-in-out}.nav .menu .menu-item:hover::after{transform:scaleX(1);transform-origin:left}.nav .menu .menu-item.active::after{transform:scaleX(1);transform-origin:left;transition:transform 0.3s ease-in-out}.nav .menu .split-line{color:var(--color-primary-11);line-height:5rem;padding:0 1rem}.nav .menu-item:hover{color:var(--color-white);transition:all 0.5s ease}.nav .submenu{display:none;position:absolute;top:100%;left:0;width:100vw;box-shadow:0px 0.5rem 0.5rem var(--nav-color);z-index:99999;color:var( --color-primary-5);background:url("/images/nav-dropdown-bg.jpg") no-repeat center / 100% 100%}.nav .submenu a:hover{color:var(--brand-color);transition:all 0.5s ease}.nav .submenu .title{color:var(--color-primary-5);display:block;font-weight:600}.nav .submenu-box{width:100%;height:100%;display:flex;padding:2rem}.nav .submenu .submenu-left{flex:1;text-align:right;font-size:1.3rem;font-weight:600;color:var(--color-primary-8)}.nav .submenu .submenu-left a:hover{color:var(--color-primary-8);cursor:default}.nav .submenu .submenu-right{flex:6;display:flex;justify-content:space-evenly}.nav .submenu .submenu-right .item{width:300px;letter-spacing:0.03rem}.nav .submenu .submenu-right .item>.title{padding-bottom:1rem;margin-bottom:1rem;font-size:1.2rem;border-bottom:1px solid var( --color-primary-9)}.nav .submenu .submenu-right .item .item-section .title{font-size:1rem;text-align:left;margin-bottom:0.5rem;margin-top:0.5rem;line-height:2}.nav .submenu .submenu-right .item .item-section .content{display:flex;flex-direction:column;text-align:left;color:var(--color-primary-7);text-indent:2rem}.nav .submenu .submenu-right .item .item-section .content  a{line-height:2}.nav .submenu .submenu-right .item .item-section .content a:hover{transform:translateX(0.5rem);background:var(--brand-color);color:var(--color-white);transition:all 0.5s ease;border-radius:0.5rem}.main-container{height:auto;width:100vw;margin-bottom:6vh;overflow-x:hidden}.footer{position:relative;box-sizing:border-box;width:100vw;height:33rem;background:var(--footer-color);margin:0 !important;padding:0 !important}.wave-box{position:absolute;top:-6vh;width:100%}.waves{width:100%;height:6vh}.parallax>use:nth-child(1){animation-delay:-2s;animation-duration:5s}.parallax>use:nth-child(2){animation-delay:-3s;animation-duration:7s}.parallax>use:nth-child(3){animation-delay:-4s;animation-duration:10s}.parallax>use:nth-child(4){animation-delay:-5s;animation-duration:8s}.parallax>use{animation:move-forever 20s cubic-bezier(0.55,0.5,0.45,0.5) infinite}@keyframes move-forever{0%{transform:translate3d(-90px,0,0)}100%{transform:translate3d(85px,0,0)}}:not(svg){transform-origin:0px 0px}svg:not(:root){overflow-clip-margin:content-box;overflow:hidden}.footer-top{box-sizing:border-box;width:92%;height:30rem;margin:0 auto;padding:0;display:flex;justify-content:flex-start;align-items:center;opacity:0;transform:scale(0.7);transition:opacity 1s ease,transform .5s ease;transform-origin:center center}.footer-top.visible{opacity:1;transform:scale(1)}.footer-left{box-sizing:border-box;width:24%;height:100%;color:var(--color-primary-7);font-weight:600;line-height:2;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;font-size:1rem}.footer-left .logo{height:2.5rem;margin:1.5rem 0 1rem 0}.footer-left .logo img{height:100%;width:auto}.footer-left .detail div{height:2rem}.footer-left .contact{margin-top:1rem}.footer-right{box-sizing:border-box;flex:1;height:100%;display:flex;justify-content:space-around;padding-top:3rem}.footer-right .item .title{display:block;font-size:1.5rem;color:var(--color-primary-1);font-weight:600;margin-bottom:1rem}.footer-right .item .title:hover{text-decoration:underline}.footer-right .item-section .title{display:block;font-size:1.3rem;color:var(--color-primary-3);font-weight:600;margin-bottom:1rem;margin-top:1rem}.footer-right .item-section .content{font-size:1rem;font-weight:500}.footer-right .item-section .content a{display:block;color:var(--color-primary-7);line-height:2}.footer-right .item-section .content a:hover{color:var(--color-white)}.footer-bottom{box-sizing:border-box;width:100%;height:3rem;border-top:1px solid #202020;color:var(--color-primary-6);font-size:.875rem;text-align:center;line-height:3.125rem}.footer-bottom a{color:var(--color-primary-6)}.footer-bottom a:hover{color:var(--color-white)}.icon-container{position:relative;display:inline-block;cursor:pointer;margin-right:0.625rem;-webkit-tap-highlight-color:rgba(0,0,0,0)}.icon-container  .ck-icon{font-size:1.125rem;color:#b0b0b0;transition:all 0.3s ease;padding:0.5rem;border-radius:50%;background:#515151}.icon-container:hover .ck-icon{background:#2DC100;color:var(--color-white);box-shadow:0 0 15px rgba(255,255,255,0.5)}.icon-container.douyin:hover .ck-icon{background:#111111}.icon-container.xiaohongshu:hover .ck-icon{background:#fa2c19}.icon-container.baijiahao:hover .ck-icon{background:#175dff}.icon-container.youtube:hover .ck-icon{background:#d54029}.icon-container.twitter:hover .ck-icon{background:#55acee}.icon-container.facebook:hover .ck-icon{background:#3c5a99}.tooltip{position:absolute;left:0;bottom:calc(100% + 10px);width:12.5rem;background:var(--color-white);border-radius:0.5rem;box-shadow:0 0 20px rgba(255,255,255,0.3),0 5px 15px rgba(0,0,0,0.1);opacity:0;visibility:hidden;transform:translateY(0.625rem);transition:all 0.3s cubic-bezier(0.68,-0.55,0.27,1.55)}.icon-container:hover .tooltip{opacity:1;visibility:visible;transform:translateY(0)}.tooltip::after{content:'';position:absolute;top:100%;left:1.25rem;border-width:0.625rem;border-style:solid;border-color:var(--color-white) transparent transparent transparent;filter:drop-shadow(0 2px 2px rgba(0,0,0,0.1))}.tooltip-header{padding:0.5rem;background:var(--color-primary-2);border-radius:0.5rem  0.5rem 0 0;font-size:0.75rem;color:var(--color-primary-9);text-align:center}.qrcode{padding-top:0.625rem;text-align:center}.qrcode img{width:6.875rem;height:6.875rem;object-fit:cover}.tooltip-footer{padding:0 1rem 1rem 1rem;font-size:0.75rem;color:var(--color-primary-8);text-align:center;line-height:1.5}.animate-border{position:relative;text-align:center;overflow:hidden}.animate-border::after{content:'';position:absolute;bottom:0;left:0;width:0;height:1px;background-color:var(--color-primary-6);animation:border-animation 2s infinite ease-in-out}@keyframes border-animation{0%{width:0;left:0}50%{width:100%;left:0}100%{width:0;left:100%}}.toolbar{position:fixed;right:0.625rem;bottom:1.25rem;overflow:hidden;display:none}.tool-item{cursor:pointer;position:relative}.tool-item span{color:var(--color-primary-6);font-size:1.5rem}.tool-item span:hover{color:var(--color-primary-7)}.nav-mobile{position:fixed;top:0;left:0;width:100%;height:4.375rem;padding:12px 20px;background:linear-gradient(to bottom,#000000,#222222);opacity:0.95;backdrop-filter:blur(8px);z-index:99999;box-sizing:border-box;box-shadow:0 2px 15px rgba(0,0,0,0.3);display:none}.nav-mobile .container{width:100%;height:100%;display:flex;justify-content:space-between;align-items:center}.nav-mobile .nav-logo{width:8rem;height:3rem}.nav-mobile .nav-logo img{width:100%;height:100%;object-fit:contain}.nav-mobile .nav-right{display:flex;align-items:center;gap:1.5rem}.hamburger{width:26px;height:20px;position:relative;cursor:pointer;z-index:99999}.hamburger span{position:absolute;height:2px;width:100%;background:rgba(255,255,255,0.9);transition:all 0.4s cubic-bezier(0.4,0,0.2,1)}.hamburger span:nth-child(1){top:0}.hamburger span:nth-child(2){top:50%;transform:translateY(-50%)}.hamburger span:nth-child(3){bottom:0}.hamburger.active span:nth-child(1){top:50%;transform:translateY(-50%) rotate(45deg)}.hamburger.active span:nth-child(2){opacity:0}.hamburger.active span:nth-child(3){bottom:50%;transform:translateY(50%) rotate(-45deg)}.menu-panel{position:fixed;top:0;right:-100%;width:100%;height:100vh;background:#0a0a0a;padding:80px 20px 20px;transition:right 0.4s cubic-bezier(0.4,0,0.2,1);overflow-y:auto;z-index:99999}.menu-panel.active{right:0}.menu-panel .menu-list{list-style:none}.menu-panel .menu-item{position:relative;border-bottom:1px solid rgba(255,255,255,0.08)}.menu-panel .menu-item > a{display:flex;align-items:center;color:rgba(255,255,255,0.9);padding:18px 20px;text-decoration:none;font-size:16px;transition:all 0.3s ease}.menu-panel .menu-item > a:hover{background:rgba(255,255,255,0.03);transform:translateX(8px)}.menu-panel .has-submenu > a::after{content:'›';position:absolute;right:20px;font-size:20px;transform:rotate(90deg);transition:all 0.3s ease}.menu-panel .has-submenu.active > a::after{transform:rotate(-90deg)}.menu-panel .submenu-m{max-height:0;overflow:hidden;background:rgba(0,0,0,0.15);transition:max-height 0.4s cubic-bezier(0.4,0,0.2,1)}.menu-panel .submenu-m.active{max-height:5000px}.menu-panel .submenu-m .menu-item a{padding-left:40px;font-size:15px;position:relative}.menu-panel .submenu-m .menu-item a::before{content:'';position:absolute;left:20px;width:8px;height:1px;background:rgba(255,255,255,0.4)}.menu-panel .submenu-m .submenu-m .menu-item a{padding-left:60px;font-size:14px}.menu-panel .submenu-m .submenu-m .menu-item a::before{left:40px;width:6px}.menu-panel .submenu-m{display:flex;flex-direction:column}.magic-btn{position:relative;display:inline-flex;align-items:center;padding:0.625rem 1.25rem;border:1px solid var(--color-primary-7);border-radius:0.625rem;background:transparent;color:var(--color-primary-5);font-size:1rem;font-weight:500;cursor:pointer;overflow:hidden;transition:color 0.3s ease 0.1s}.magic-btn-content{position:relative;z-index:1;display:flex;align-items:center;transition:color 0.3s ease}.magic-btn-text{margin-right:0.5rem}.magic-btn::before{content:'';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:0;height:0;background:var(--brand-color);border-radius:50%;transition:width 0.4s cubic-bezier(0.4,0,0.2,1),height 0.4s cubic-bezier(0.4,0,0.2,1);z-index:0}.magic-btn:hover{border-color:transparent}.magic-btn:hover::before{width:150%;height:150%}.magic-btn:hover .magic-btn-content{color:var(--color-white)}.magic-btn-icon{position:relative;width:1.25rem;height:1.25rem;background:currentColor;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M19 13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z'/%3E%3C/svg%3E") no-repeat center;transition:transform 0.3s ease}.magic-btn:hover .magic-btn-icon{transform:rotate(90deg)}.bounce-text{opacity:0;transition:opacity 1s;letter-spacing:0.05rem;word-spacing:-0.31em}.bounce-text.loaded{opacity:1}.bounce-char{display:inline-block;opacity:0;transform:translateY(var(--bounce-height));animation:bounce-in var(--animation-duration) ease forwards}@keyframes bounce-in{0%{opacity:0;transform:translateY(var(--bounce-height))}40%{opacity:1;transform:translateY(-0.2em)}60%{transform:translateY(0.1em)}80%{transform:translateY(-0.05em)}100%{opacity:1;transform:translateY(0)}}@keyframes fadeIn{from{opacity:0}to{opacity:1}}.fade-in-text{animation:fadeIn 800ms ease-in-out both}.ml-1{margin-left:1rem}.ml-5px{margin-left:5px !important}.ml-10px{margin-left:10px !important}.ml-20px{margin-left:20px !important}@keyframes fadeIn{0%{opacity:0}100%{opacity:1}}i{-webkit-tap-highlight-color:rgba(0,0,0,0);-webkit-tap-highlight-color:transparent;background-color:transparent;outline:none}i:active,i:focus{background-color:transparent;outline:none}.language-container{display:flex;align-items:center;justify-content:center;vertical-align:middle}.language-label{color:#F6F6F6;font-size:1rem;font-weight:550;margin-top:-0.125rem;cursor:pointer}.language-selector{position:relative}.current-language{background:transparent;border:2px solid transparent;color:#fff;padding:0.75rem 1rem;display:flex;align-items:center;gap:0.5rem;cursor:pointer;border-radius:4px;transition:all 0.3s ease;font-weight:500;text-transform:uppercase;letter-spacing:0.5px;font-size:1rem;font-weight:550}.current-language:hover{background-color:rgba(192,0,0,0.1);box-shadow:0 4px 8px rgba(192,0,0,0.2)}.flag-icon{width:24px;height:18px;border-radius:2px;display:inline-block;vertical-align:middle}.language-dropdown{position:absolute;top:100%;right:0;margin-top:0.5rem;background-color:#1a1a1a;border:1px solid #333;border-radius:4px;overflow:hidden;opacity:0;visibility:hidden;transition:all 0.3s ease;box-shadow:0 8px 16px rgba(0,0,0,0.4);z-index:1000;width:200px;padding:0px}.language-selector.open .language-dropdown{opacity:1;visibility:visible}.language-option{display:flex;align-items:center;padding:0.75rem 1rem;color:#fff;cursor:pointer;transition:all 0.3s ease;border-bottom:1px solid #2a2a2a;font-size:1rem}.language-option:last-child{border-bottom:none}.language-option:hover{background-color:rgba(192,0,0,0.2);padding-left:1rem;padding-right:1rem}.language-option.selected{background-color:rgba(192,0,0,0.6);font-weight:bold}.language-option span{margin-left:0.75rem;font-weight:550;display:inline-block;vertical-align:middle}