:root{--primary: #1a6fc4;--primary-dark: #1459a3;--primary-light: #2a6fc4;--accent: #2ec8d8;--text-dark: #1c2b3a;--text-body: #5a6b7b;--text-light: #9aa7b3;--border: #e6edf3;--bg-light: #f5f8fb;--bg-gray: #f8fafc;--white: #ffffff;--header-h: 70px;--max-w: 1200px;--shadow-card: 0 6px 24px rgba(20, 50, 90, .08);--shadow-hover: 0 14px 40px rgba(20, 50, 90, .16)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif;color:var(--text-body);background:var(--white);font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased}.wc-container{max-width:var(--max-w);margin:0 auto;padding:0 24px}.wc-section{padding:80px 0}.wc-section--gray{background:var(--bg-gray)}.wc-section-head{text-align:center;margin-bottom:50px}.wc-eyebrow{display:inline-block;color:var(--primary);font-weight:600;letter-spacing:3px;font-size:13px;margin-bottom:12px}.wc-title{font-size:34px;font-weight:700;color:var(--text-dark);margin:0 0 14px;position:relative;display:inline-block}.wc-title:after{content:"";position:absolute;left:50%;bottom:-14px;transform:translate(-50%);width:56px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--primary),var(--accent))}.wc-subtitle{color:var(--text-light);font-size:16px;margin:24px auto 0;max-width:640px}.wc-btn{display:inline-flex;align-items:center;gap:8px;padding:12px 30px;border-radius:30px;font-weight:600;font-size:15px;cursor:pointer;border:none;transition:all .3s ease}.wc-btn--primary{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;box-shadow:0 8px 20px #1a5fb44d}.wc-btn--primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px #1a5fb466}.wc-btn--ghost{background:#ffffff1f;color:#fff;border:1px solid rgba(255,255,255,.45)}.wc-btn--ghost:hover{background:#ffffff38}.wc-btn--outline{background:transparent;color:var(--primary);border:1.5px solid var(--primary)}.wc-btn--outline:hover{background:var(--primary);color:#fff}.wc-card{background:#fff;border-radius:12px;padding:38px 30px;box-shadow:var(--shadow-card);transition:all .35s ease;border:1px solid var(--border);height:100%}.wc-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:transparent}.wc-card__icon{width:64px;height:64px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:#1a5fb41a;color:var(--primary);font-size:30px;margin-bottom:22px;transition:all .35s ease}.wc-card:hover .wc-card__icon{background:var(--primary);color:#fff}.wc-card__title{font-size:19px;font-weight:600;color:var(--text-dark);margin:0 0 12px}.wc-card__text{color:var(--text-body);margin:0;font-size:14.5px}.wc-footer{background:#0f1f33;color:#9fb0c3;padding:60px 0 26px}.wc-footer__top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}.wc-footer__brand{color:#fff;font-size:22px;font-weight:700;display:flex;align-items:center;gap:10px;margin-bottom:18px}.wc-footer__desc{font-size:14px;line-height:1.8;max-width:320px}.wc-footer__col h4{color:#fff;font-size:16px;margin:4px 0 18px;font-weight:600}.wc-footer__col a{display:block;color:#9fb0c3;font-size:14px;margin-bottom:10px;transition:color .25s ease}.wc-footer__col a:hover{color:var(--accent)}.wc-footer__bottom{text-align:center;padding-top:22px;font-size:13px;color:#6b7d92}.wc-grid{display:grid;gap:26px}.wc-grid--3{grid-template-columns:repeat(3,1fr)}.wc-grid--4{grid-template-columns:repeat(4,1fr)}.wc-grid--2{grid-template-columns:repeat(2,1fr)}@media (max-width: 992px){.wc-grid--3,.wc-grid--4,.wc-footer__top{grid-template-columns:repeat(2,1fr)}}@media (max-width: 640px){.wc-section{padding:54px 0}.wc-title{font-size:27px}.wc-grid--2,.wc-grid--3,.wc-grid--4,.wc-footer__top{grid-template-columns:1fr}}html,body{width:100%;height:100%}input::-ms-clear,input::-ms-reveal{display:none}*,*:before,*:after{box-sizing:border-box}html{font-family:sans-serif;line-height:1.15;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%;-ms-overflow-style:scrollbar;-webkit-tap-highlight-color:rgba(0,0,0,0)}body{margin:0}[tabindex="-1"]:focus{outline:none}hr{box-sizing:content-box;height:0;overflow:visible}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5em;font-weight:500}p{margin-top:0;margin-bottom:1em}abbr[title],abbr[data-original-title]{text-decoration:underline dotted;border-bottom:0;cursor:help}address{margin-bottom:1em;font-style:normal;line-height:inherit}input[type=text],input[type=password],input[type=number],textarea{-webkit-appearance:none}ol,ul,dl{margin-top:0;margin-bottom:1em}ol ol,ul ul,ol ul,ul ol{margin-bottom:0}dt{font-weight:500}dd{margin-bottom:.5em;margin-left:0}blockquote{margin:0 0 1em}dfn{font-style:italic}b,strong{font-weight:bolder}small{font-size:80%}sub,sup{position:relative;font-size:75%;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}pre,code,kbd,samp{font-size:1em;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,Courier,monospace}pre{margin-top:0;margin-bottom:1em;overflow:auto}figure{margin:0 0 1em}img{vertical-align:middle;border-style:none}a,area,button,[role=button],input:not([type=range]),label,select,summary,textarea{touch-action:manipulation}table{border-collapse:collapse}caption{padding-top:.75em;padding-bottom:.3em;text-align:left;caption-side:bottom}input,button,select,optgroup,textarea{margin:0;color:inherit;font-size:inherit;font-family:inherit;line-height:inherit}button,input{overflow:visible}button,select{text-transform:none}button,html [type=button],[type=reset],[type=submit]{-webkit-appearance:button}button::-moz-focus-inner,[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner{padding:0;border-style:none}input[type=radio],input[type=checkbox]{box-sizing:border-box;padding:0}input[type=date],input[type=time],input[type=datetime-local],input[type=month]{-webkit-appearance:listbox}textarea{overflow:auto;resize:vertical}fieldset{min-width:0;margin:0;padding:0;border:0}legend{display:block;width:100%;max-width:100%;margin-bottom:.5em;padding:0;color:inherit;font-size:1.5em;line-height:inherit;white-space:normal}progress{vertical-align:baseline}[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:none}[type=search]::-webkit-search-cancel-button,[type=search]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}summary{display:list-item}template{display:none}[hidden]{display:none!important}:root{--primary: #1a6fc4;--primary-light: #2a6fc4;--primary-dark: #1459a3;--primary-deep: #0f3d6e;--accent: #2ec8d8;--text-dark: #1c2b3a;--text-body: #5a6b7b;--text-light: #9aa7b3;--border: #e6edf3;--bg-light: #f5f8fb;--bg-gray: #f8fafc;--white: #ffffff;--header-h: 70px;--max-w: 1200px;--shadow-card: 0 6px 24px rgba(20, 50, 90, .08);--shadow-hover: 0 14px 40px rgba(20, 50, 90, .16)}*{box-sizing:border-box}html,body{margin:0;padding:0}html{-ms-overflow-style:none;scrollbar-width:none;width:100%;overflow-x:hidden}html::-webkit-scrollbar,body::-webkit-scrollbar{display:none;width:0;height:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif;color:var(--text-body);background:var(--white);font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased;width:100%;max-width:100vw}#root{display:flex;flex-direction:column;min-height:100vh}main{flex:1 1;width:100%}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.site-container{max-width:var(--max-w);margin:0 auto;padding:0 24px}.site-section{padding:48px 0}.breadcrumb-bar+.site-section{padding-top:28px}.site-section--gray{background:var(--bg-gray)}.site-section--plain{background:#fff}.site-section--blue{background:linear-gradient(180deg,#f4f9ff,#eef5fc)}.site-section--grayblue{background:linear-gradient(180deg,#eef3f8,#e6edf4)}.section-head{text-align:center;margin-bottom:50px}.section-head .eyebrow{color:#0f3d6e;letter-spacing:4px;font-size:13px;font-weight:600;user-select:none}.section-head h2{position:relative;font-size:34px;font-weight:700;color:#1c2b3a;margin:10px 0 12px;user-select:none}.section-head h2 .head-en{display:block;font-size:13px;font-weight:500;color:#9aa7b3;margin:6px 0 0;letter-spacing:1.5px;text-transform:uppercase}.section-head h2:after{position:relative;display:inline-block;content:"";position:absolute;left:50%;bottom:-12px;transform:translate(-50%);width:50px;height:3px;background:#1a6fc4}.section-head p{color:#9aa7b3;font-size:16px;margin:22px auto 0;max-width:640px}.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 30px;border-radius:30px;font-weight:600;font-size:15px;cursor:pointer;border:none;transition:all .3s ease}.btn--primary{background:#1a6fc4;color:#fff}.btn--primary:hover{background:#1459a3}.card{background:#fff;border-radius:8px;box-shadow:var(--shadow-card);transition:all .3s ease;border:1px solid var(--border);height:100%}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}.grid{display:flex;flex-wrap:wrap;justify-content:center;gap:26px}.grid>*{min-width:0}.grid--2>*{flex-grow:0;flex-shrink:1;flex-basis:calc((100% - 26px)/2)}.grid--3>*{flex-grow:0;flex-shrink:1;flex-basis:calc((100% - 52px) / 3)}.grid--4>*{flex-grow:0;flex-shrink:1;flex-basis:calc((100% - 78px)/4)}@media (max-width: 992px){.grid--3>*,.grid--4>*{flex-grow:0;flex-shrink:1;flex-basis:calc((100% - 26px)/2)}}@media (max-width: 640px){.site-section{padding:34px 0}.breadcrumb-bar+.site-section{padding-top:20px}.section-head h2{font-size:27px}.grid--2>*,.grid--3>*,.grid--4>*{flex:0 1 100%}}.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:#1e293b59;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);transition:background .4s ease,box-shadow .4s ease}.site-header.scrolled{background:#0a1929eb;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 2px 20px #0003}.site-header:has(.nav-menu>li:hover){background:#0a1929f0;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 2px 20px #0003}.site-header .nav-inner{max-width:var(--max-w);margin:0 auto;height:var(--header-h);display:flex;align-items:center;justify-content:space-between;padding:0 24px}.logo{display:flex;align-items:center}.logo img{height:36px;width:auto;display:block}.nav-menu{display:flex!important;align-items:center;gap:4px;list-style:none!important;margin:0!important;padding:0!important}.nav-menu>li{position:relative;list-style:none!important;margin:0!important;padding:0!important}.nav-menu>li>a{display:flex!important;align-items:center;gap:4px;height:var(--header-h);padding:0 16px;font-size:15px;color:#fff!important;font-weight:500;text-decoration:none!important;transition:color .25s ease}.nav-menu>li>a:hover,.nav-menu>li.active>a{color:var(--accent)!important}.nav-menu>li>a .arrow{font-size:10px;transition:transform .25s ease}.nav-menu>li:hover .arrow{transform:rotate(180deg)}.mega-menu{position:fixed;top:var(--header-h);left:0;right:0;background:#0a1929f0;box-shadow:0 8px 32px #00000040;opacity:0;visibility:hidden;transform:translateY(8px);transition:all .28s ease;z-index:998}.nav-menu>li:hover .mega-menu{opacity:1;visibility:visible;transform:translateY(0)}.mega-inner{max-width:var(--max-w);margin:0 auto;padding:28px 24px 32px}.mega-title{font-size:22px;font-weight:700;color:#fff;margin:0 0 22px}.mega-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:4px 16px}.mega-item{display:flex!important;align-items:center;gap:8px;padding:12px 14px!important;border-radius:6px;font-size:14.5px!important;color:#cdd8e3!important;text-decoration:none!important;transition:all .2s ease}.mega-item:hover,.mega-item.active{color:var(--accent)!important;background:#ffffff14;box-shadow:none}.mega-icon{font-size:18px;flex-shrink:0;width:24px;text-align:center}.mega-label{flex:1 1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mega-arrow{color:#bbb;font-size:12px;transition:transform .2s ease,color .2s ease}.mega-item:hover .mega-arrow{color:var(--accent);transform:translate(2px)}.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}.nav-toggle span{width:24px;height:2px;background:#fff;border-radius:2px;transition:all .3s ease}.nav-toggle.open span{background:#fff}.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav-toggle.open span:nth-child(2){opacity:0}.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}@media (max-width: 992px){.nav-toggle{display:flex}.nav-menu{position:absolute;top:var(--header-h);left:0;right:0;flex-direction:column;align-items:stretch;background:#fff;box-shadow:0 12px 30px #14325a1f;padding:8px 0;max-height:0;overflow:hidden;transition:max-height .3s ease;gap:0}.nav-menu.open{max-height:80vh;overflow-y:auto}.nav-menu>li>a{height:50px;padding:0 24px;justify-content:space-between;color:#1c2b3a!important}.mega-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:#f0f3f7;padding:0;max-height:0;overflow:hidden;transition:max-height .3s ease}.nav-menu>li.open .mega-menu{max-height:600px;padding:6px 0}.mega-inner{padding:8px 16px}.mega-title{display:none}.mega-grid{grid-template-columns:1fr;gap:2px}.mega-item{padding:12px 20px!important;border-radius:4px!important;font-size:14px!important;color:#33465a!important;background:#ffffffb3;margin-bottom:2px}.mega-item:hover,.mega-item.active{color:var(--accent)!important;background:#2ec8d81f}.mega-arrow{color:#8aa0b3}.mega-item:hover .mega-arrow{color:var(--accent)}}.hero{position:relative;height:100vh;min-height:480px;overflow:hidden}.hero-slides{height:100%}.hero-slide{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;transition:opacity 1s ease;display:flex;align-items:center;color:#fff}.hero-slide.active{opacity:1}.hero-slide .slide-bg{position:absolute;top:0;right:0;bottom:0;left:0;background-size:cover;background-position:center;z-index:0}.hero-dots{position:absolute;bottom:26px;left:50%;transform:translate(-50%);display:flex;gap:10px;z-index:3}.hero-dots button{width:12px;height:12px;border-radius:50%;border:none;background:#ffffff73;cursor:pointer;padding:0;transition:all .3s ease}.hero-dots button.active{background:#fff;width:30px;border-radius:6px}@media (max-width: 640px){.hero{height:100vh;min-height:420px}.hero-slide h1{font-size:30px}.hero-slide p{font-size:15px}}.brand-slogan{background:#f7f9fc;padding:22px 0;text-align:center;font-size:17px;color:#3a4a5a;border-bottom:1px solid var(--border)}.brand-slogan a{color:#1a6fc4;font-weight:600;text-decoration:none}.brand-slogan a:hover{text-decoration:underline}.stats{background:#0f3d6e;color:#fff;padding:50px 0}.stats .grid>*{flex-grow:0;flex-shrink:1;flex-basis:calc((100% - 78px)/4)}.stat-item{text-align:center}.stat-item .num{font-size:40px;font-weight:700;color:#2ec8d8}.stat-item .label{font-size:15px;margin-top:6px;opacity:.9}@media (max-width: 640px){.stats .grid{gap:28px}.stats .grid>*{flex-grow:0;flex-shrink:1;flex-basis:calc((100% - 28px)/2)}}.biz-card{padding:38px 30px;text-align:left}.biz-card .icon{width:60px;height:60px;border-radius:14px;background:#1a6fc41a;color:#1a6fc4;display:flex;align-items:center;justify-content:center;font-size:28px;margin-bottom:20px}.biz-card h3{font-size:19px;color:#1c2b3a;margin:0 0 12px}.biz-card p{font-size:14.5px;margin:0}.sol-card{overflow:hidden}.sol-card .sol-img{height:180px;background-size:cover;background-position:center}.sol-card .sol-body{padding:24px}.sol-card h3{font-size:18px;color:#1c2b3a;margin:0 0 10px}.sol-card p{font-size:14px;margin:0}.prod-card{padding:0;overflow:hidden}.prod-card .prod-img{height:170px;background-size:cover;background-position:center}.prod-card .prod-body{padding:22px 24px}.prod-card h3{font-size:17px;color:#1c2b3a;margin:0 0 8px}.prod-card .price{color:#e8552d;font-weight:600}.case-card{overflow:hidden}.case-card .case-img{height:200px;background-size:cover;background-position:center}.case-card .case-body{padding:20px 24px}.case-card h3{font-size:17px;color:#1c2b3a;margin:0 0 6px}.case-card .case-meta{color:#9aa7b3;font-size:13px}.case-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:24px}.case-grid>*{min-width:0;flex-grow:0;flex-shrink:1;flex-basis:calc((100% - 48px) / 3)}.case-card--hover{flex-direction:column;padding:0;border-radius:10px;box-shadow:0 2px 12px #00000014;transition:transform .3s,box-shadow .3s}.case-card--hover:hover{transform:translateY(-6px);box-shadow:0 12px 32px #0000001f}.case-card--hover .case-img{width:100%;height:200px;border-radius:0;transition:transform .5s}.case-card--hover:hover .case-img{transform:scale(1.05)}.case-card--hover .case-body{padding:18px 20px 20px}.case-card--hover .case-body h3{font-size:17px;font-weight:600;margin-bottom:10px;color:#101828}.case-card--hover .case-desc{color:#667085;font-size:14px;line-height:1.7;margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.case-client-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid #f2f4f7}.case-client{font-size:13px;color:#475467;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1 1}.case-saving{font-size:13px;color:#f97316;font-weight:700;white-space:nowrap}@media (max-width: 1024px){.case-grid>*{flex-grow:0;flex-shrink:1;flex-basis:calc((100% - 24px)/2)}}@media (max-width: 640px){.case-grid>*{flex:0 1 100%}.case-card--hover .case-img{height:180px}}.news-card{overflow:hidden}.news-card .news-img{height:180px;background-size:cover;background-position:center}.news-card .news-body{padding:22px 24px}.news-card .news-date{color:#9aa7b3;font-size:13px}.news-card h3{font-size:17px;color:#1c2b3a;margin:8px 0 0}.about-intro{display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:center}.about-intro .intro-img{width:100%;aspect-ratio:4 / 3;border-radius:12px;overflow:hidden}.about-intro .intro-img img{width:100%;height:100%;object-fit:cover;display:block}.about-intro h2{font-size:30px;color:#1c2b3a;margin:0 0 18px}.about-intro p{margin:0 0 14px;text-indent:2em}.intro-divider{height:1px;background:var(--border);margin:18px 0 16px;opacity:.7}.culture-list{display:flex;flex-direction:column;gap:16px}.culture-item{display:flex;align-items:stretch;border-radius:12px;overflow:hidden;border:1px solid var(--border);box-shadow:0 6px 18px #14325a0f;transition:box-shadow .25s ease,transform .25s ease}.culture-item:hover{box-shadow:0 12px 28px #14325a1f;transform:translateY(-2px)}.culture-left{flex-shrink:0;width:220px;display:flex;align-items:center;gap:14px;padding:24px 22px;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);color:#fff}.culture-icon{font-size:30px;flex-shrink:0;width:52px;height:52px;display:flex;align-items:center;justify-content:center;background:#ffffff29;border-radius:50%}.culture-head{flex:1 1}.culture-head h4{color:#fff;margin:0 0 4px;font-size:19px}.culture-en{display:block;font-size:13px;letter-spacing:1px;text-transform:uppercase;color:#ffffffe6}.culture-body{flex:1 1;display:flex;align-items:center;padding:24px 26px;background:linear-gradient(120deg,#fff,#f3f9ff)}.culture-body p{font-size:14px;line-height:1.7;color:#4a5b6b;margin:0}.culture-body p{font-size:14px;line-height:1.7;color:#5a6b7b;margin:0;max-width:760px}.honor-grid{grid-template-columns:repeat(3,1fr)}.honor-item{padding:30px 26px;text-align:center}.honor-item .icon{font-size:40px;margin-bottom:14px}.honor-item h4{color:#1c2b3a;margin:0 0 8px;font-size:17px}.honor-item p{font-size:14px;margin:0}.cert-tabs{display:flex;flex-wrap:wrap;justify-content:flex-start;gap:12px;margin-top:40px}.cert-tab{-webkit-appearance:none;appearance:none;cursor:pointer;border:1px solid var(--border);background:#fff;color:#5a6b7b;font-size:15px;padding:9px 22px;border-radius:22px;transition:all .2s ease;position:relative;isolation:isolate;overflow:hidden}.cert-tab:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:-1;border-radius:inherit;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);opacity:0;transition:opacity .6s ease}.cert-tab:hover{border-color:transparent;color:#fff}.cert-tab:hover:before{opacity:1}.cert-tab.active{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);border-color:transparent;color:#fff;box-shadow:0 6px 16px #1a6fc440}.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:24px}.cert-grid--ent{grid-template-columns:repeat(3,1fr);margin-top:28px}.cert-card{background:#fff;border:1px solid var(--border);border-radius:10px;overflow:hidden;transition:box-shadow .25s ease,transform .25s ease}.cert-card:hover{box-shadow:0 10px 26px #14325a1f;transform:translateY(-3px)}.cert-img{aspect-ratio:4 / 3;overflow:hidden;background:#f5f8fb}.cert-img img{width:100%;height:100%;object-fit:cover;display:block}.cert-name{margin:0;padding:12px 14px;font-size:13px;color:#4a5b6b;text-align:center;border-top:1px solid var(--border)}@media (max-width: 992px){.about-intro{grid-template-columns:1fr;gap:30px}.honor-grid,.cert-grid,.cert-grid--ent{grid-template-columns:repeat(2,1fr)}}@media (max-width: 640px){.honor-grid,.cert-grid--ent{grid-template-columns:1fr}.culture-item{flex-direction:column}.culture-left{width:auto;padding:18px 20px}.culture-icon{font-size:24px;width:46px;height:46px}.culture-head h4{font-size:17px}.culture-body{padding:18px 20px}}.page-banner{position:relative;height:calc(300px + var(--header-h));padding-top:var(--header-h);display:flex;align-items:center;justify-content:center;color:#fff;text-align:center;overflow:hidden}.page-banner .banner-bg{top:var(--header-h);position:absolute;top:0;right:0;bottom:0;left:0;background-size:cover;background-position:center;z-index:0}.page-banner .banner-inner{position:relative;z-index:2;padding:0 24px}.page-banner h1{font-size:38px;font-weight:700;margin:0}.page-banner .banner-en{margin:12px 0 0;font-size:22px;font-weight:700;letter-spacing:3px;text-transform:uppercase;opacity:.9}.breadcrumb-bar{background:#fff}.breadcrumb-bar .site-container{position:relative;padding-top:16px;padding-bottom:16px;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.breadcrumb-bar a,.breadcrumb-bar span{font-size:14px;color:#666}.breadcrumb-bar a:hover{color:#1a6fc4}.breadcrumb-bar .sep{margin:0 8px;color:#999}.breadcrumb-bar .cur{color:#1a6fc4;font-weight:600}@media (max-width: 640px){.page-banner{height:calc(220px + var(--header-h))}.page-banner h1{font-size:28px}}.product-layout{display:grid;grid-template-columns:240px 1fr;gap:40px;align-items:start}.product-side{position:sticky;top:calc(var(--header-h) + 20px)}.product-side h4{font-size:16px;color:#1c2b3a;margin:0 0 14px}.product-side a{display:block;padding:11px 16px;border-radius:6px;color:#5a6b7b;font-size:14.5px;margin-bottom:6px;transition:all .2s ease}.product-side a:hover,.product-side a.active{background:#1a6fc4;color:#fff}.product-detail h2{font-size:28px;color:#1c2b3a;margin:0 0 16px}.product-detail .prod-hero-img{width:100%;height:360px;object-fit:cover;border-radius:10px;background-size:cover;background-position:center;margin-bottom:26px}.product-detail h3{font-size:20px;color:#1c2b3a;margin:28px 0 14px}.product-detail ul.feat-list{padding-left:20px;margin:0 0 10px}.product-detail ul.feat-list li{margin-bottom:8px}.spec-table{width:100%;border-collapse:collapse;margin-top:8px}.spec-table th,.spec-table td{border:1px solid var(--border);padding:12px 16px;text-align:left;font-size:14.5px}.spec-table th{background:#f5f8fb;color:#1c2b3a;width:180px}@media (max-width: 992px){.product-layout{grid-template-columns:1fr}.product-side{position:static}}.detail-list{display:grid;gap:24px}.detail-item{display:grid;grid-template-columns:320px 1fr;gap:26px;background:#fff;border:1px solid var(--border);border-radius:10px;overflow:hidden;transition:all .3s ease}.detail-item:hover{box-shadow:var(--shadow-hover)}.detail-item .item-img{background-size:cover;background-position:center;min-height:200px}.detail-item .item-body{padding:24px 26px 24px 0}.detail-item h3{font-size:20px;color:#1c2b3a;margin:0 0 10px}.detail-item .item-meta{color:#9aa7b3;font-size:13px;margin-bottom:12px}.detail-item p{font-size:14.5px;margin:0 0 14px}.pagination{display:flex;justify-content:center;align-items:center;gap:10px;margin-top:48px}.page-btn{min-width:40px;height:40px;padding:0 14px;border:1px solid #dce3ea;border-radius:6px;background:#fff;color:#33465a;font-size:14px;cursor:pointer;transition:all .2s ease}.page-btn:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}.page-btn.active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}.page-btn:disabled{opacity:.45;cursor:not-allowed}@media (max-width: 768px){.detail-item{grid-template-columns:1fr}.detail-item .item-img{min-height:180px}.detail-item .item-body{padding:0 22px 22px}}.video-grid{gap:26px;justify-content:flex-start}.video-grid>*{flex-grow:0;flex-shrink:1;flex-basis:calc((100% - 52px) / 3)}.video-card{display:block;overflow:hidden;background:#fff;border:1px solid var(--border, #eef2f7);border-radius:14px;box-shadow:0 8px 24px #1428460f;transition:transform .28s ease,box-shadow .28s ease}.video-card:hover{transform:translateY(-6px);box-shadow:0 16px 38px #1a6fc429}.video-card .video-thumb{position:relative;height:190px;background-size:cover;background-position:center}.video-card .video-thumb:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(180deg,#0a192d00 40%,#0a192d59)}.video-card .video-thumb .play{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;z-index:2}.video-card .video-thumb .play span{width:60px;height:60px;border-radius:50%;background:#ffffffeb;color:#1a6fc4;display:flex;align-items:center;justify-content:center;font-size:22px;padding-left:4px;box-shadow:0 6px 18px #00000040;transition:all .3s ease}.video-card:hover .play span{background:#1a6fc4;color:#fff;transform:scale(1.08)}.video-card .video-body{padding:16px 20px 20px}.video-card h3{font-size:16px;font-weight:600;color:#1c2b3a;margin:0;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}@media (max-width: 992px){.video-grid>*{flex-grow:0;flex-shrink:1;flex-basis:calc((100% - 26px)/2)}}@media (max-width: 640px){.video-grid>*{flex:0 1 100%}}.contact-layout{display:grid;grid-template-columns:1fr 1.3fr;gap:44px;align-items:stretch}.map-box--lg{height:100%;min-height:460px}.chat-fab{position:fixed;right:16px;top:50%;transform:translateY(calc(-50% - 28px));width:44px;height:44px;padding:0;border-radius:50%;border:none;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1a6fc4,#2a8ce0);color:#fff;font-size:20px;cursor:pointer;box-shadow:0 6px 20px #1a6fc466;z-index:50;transition:transform .2s ease}.chat-fab svg,.tel-fab svg{width:22px;height:22px;flex-shrink:0;display:block}.chat-fab:hover{transform:translateY(calc(-50% - 28px)) scale(1.08)}.tel-fab{position:fixed;right:16px;top:50%;transform:translateY(calc(-50% + 28px));width:44px;height:44px;border-radius:50%;border:none;display:flex;align-items:center;justify-content:center;text-decoration:none;background:linear-gradient(135deg,#1f9d6b,#2bc285);color:#fff;cursor:pointer;box-shadow:0 6px 20px #1f9d6b66;z-index:50;transition:transform .2s ease;-webkit-tap-highlight-color:transparent}.tel-fab:hover{transform:translateY(calc(-50% + 28px)) scale(1.08)}.tel-fab svg{pointer-events:none}.tel-fab:active{transform:translateY(calc(-50% + 28px)) scale(.95)}.chat-fab svg{pointer-events:none}.chat-fab{-webkit-tap-highlight-color:transparent}.chat-fab:active{transform:translateY(calc(-50% - 28px)) scale(.95)}.contact-popover{position:absolute;right:56px;top:50%;transform:translateY(-50%);width:240px;padding:16px;background:#fff;border-radius:12px;box-shadow:0 8px 32px #0000002e;opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;z-index:60}.tel-fab:hover .contact-popover{opacity:1;visibility:visible}.contact-popover:after{content:"";position:absolute;right:-8px;top:50%;transform:translateY(-50%);border-style:solid;border-width:8px 0 8px 8px;border-color:transparent transparent transparent #fff}.contact-popover .cp-row{display:flex;align-items:center;gap:10px}.contact-popover .cp-row+.cp-row{margin-top:12px;padding-top:12px;border-top:1px solid #f0f0f0}.contact-popover .cp-call{justify-content:flex-start}.contact-popover .cp-call-icon{flex-shrink:0}.contact-popover .cp-wechat{flex-direction:column;align-items:center;gap:8px;text-align:center}.contact-popover .cp-label{font-size:13px;color:#888;font-weight:500}.contact-popover .cp-phone{font-size:16px;color:var(--primary);font-weight:600;text-decoration:none;line-height:1.2}.contact-popover .cp-name{font-size:12px;color:var(--primary);font-weight:400}.contact-popover .cp-qr{width:110px;height:110px;border-radius:6px;display:block}.chat-modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}.chat-modal{position:relative;width:min(1280px,calc(100vw - 32px));height:min(600px,calc(100vh - 48px));background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 24px 80px #00000052;animation:chat-pop .22s ease}.chat-modal--card{display:flex}@keyframes chat-pop{0%{transform:translateY(16px) scale(.96);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}.chat-modal-close{position:absolute;top:12px;right:12px;z-index:20;width:34px;height:34px;border:none;border-radius:50%;background:#fffffff2;color:#33465a;font-size:20px;font-weight:600;display:flex;align-items:center;justify-content:center;line-height:1;padding:0 0 2px;cursor:pointer;box-shadow:0 2px 10px #0000002e;transition:all .2s ease}.chat-modal-close:hover{background:#fff;color:#111;transform:rotate(90deg)}.chat-modal-inner{display:flex;width:100%;height:100%;overflow-y:auto}.chat-modal-side{flex:1 1 420px;min-width:360px;background:linear-gradient(135deg,#122c4eeb,#1a508ce6),url(https://images.unsplash.com/photo-1521737711867-e3b97375f902?w=800&auto=format&fit=crop) center/cover no-repeat;color:#fff;display:flex;flex-direction:column;justify-content:center;padding:30px 40px 24px}.chat-modal-side-content h3{margin:0 0 20px;font-size:28px;font-weight:700;line-height:1.3;color:#fff}.chat-modal-side-content>p{margin:0 0 30px;font-size:15px;line-height:1.7;opacity:.92}.chat-modal-features{list-style:none;margin:0 0 32px;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:12px 24px}.chat-modal-features li{display:flex;align-items:center;gap:9px;font-size:14.5px;font-weight:500}.chat-modal-features li i{width:22px;height:22px;border-radius:50%;background:#1fc96e;color:#fff;font-size:13px;line-height:22px;text-align:center;font-style:normal;flex:none}.chat-modal-phone small{display:block;font-size:15px;opacity:.85;margin-bottom:6px}.chat-modal-phone strong{display:block;font-size:26px;font-weight:700;letter-spacing:1px}.chat-modal-form{position:relative;flex:1 1 420px;min-width:320px;background:#f5f7fa;padding:52px 32px 20px;overflow-y:auto}.chat-modal-form .field{margin-bottom:12px}.chat-modal-form .field label{display:block;margin-bottom:8px;font-size:14px;font-weight:600;color:#33465a}.chat-modal-form .field input,.chat-modal-form .field textarea{width:100%;padding:10px 12px;border:1px solid #dce3ea;border-radius:8px;background:#fff;font-size:13.5px;color:#33465a;outline:none;transition:border-color .2s ease}.chat-modal-form .field input:focus,.chat-modal-form .field textarea:focus{border-color:var(--primary)}.chat-modal-form .field textarea{min-height:56px;resize:vertical}.chat-modal-form .field .req{color:#e8534f}.chat-modal-submit{width:100%;padding:13px 24px;border:none;border-radius:8px;background:linear-gradient(135deg,#1a6fc4,#2a8ce0);color:#fff;font-size:15px;font-weight:600;cursor:pointer;box-shadow:0 6px 20px #1a6fc459;transition:opacity .2s ease,transform .2s ease}.chat-modal-submit:hover{opacity:.92;transform:translateY(-1px)}.chat-modal-success{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100%;padding:40px 24px;text-align:center}.chat-success-icon{width:76px;height:76px;border-radius:50%;background:#e8f8ef;color:#1fc96e;display:flex;align-items:center;justify-content:center;margin-bottom:22px;animation:chat-success-pop .45s cubic-bezier(.22,1.2,.36,1) both}.chat-success-icon svg{width:38px;height:38px}.chat-success-title{margin:0 0 10px;font-size:22px;font-weight:700;color:#1c2b3a}.chat-success-desc{margin:0 0 26px;font-size:14px;line-height:1.7;color:#5a6b7b}.chat-success-countdown{display:inline-flex;align-items:center;gap:6px;padding:8px 20px;border-radius:999px;background:#eef2f7;color:#5a6b7b;font-size:13px}.chat-success-countdown b{min-width:22px;color:#1a6fc4;font-size:17px;font-weight:700}@keyframes chat-success-pop{0%{transform:scale(.5);opacity:0}to{transform:scale(1);opacity:1}}@media (max-width: 768px){.chat-modal{width:calc(100vw - 24px);height:min(660px,calc(100dvh - 24px));border-radius:16px}.chat-modal-mask{padding:12px}.chat-modal-inner{flex-direction:column;max-height:100%;overflow-y:auto;-webkit-overflow-scrolling:touch}.chat-modal-side{flex:none;min-width:0;padding:22px 20px 18px;justify-content:flex-start;overflow:visible}.chat-modal-side-content h3{margin-bottom:14px;font-size:20px}.chat-modal-side-content>p{margin-bottom:14px;font-size:13.5px;line-height:1.6}.chat-modal-features{grid-template-columns:1fr 1fr;gap:8px 14px;margin-bottom:16px}.chat-modal-features li{font-size:12.5px;gap:6px}.chat-modal-features li i{width:17px;height:17px;font-size:10px;line-height:17px}.chat-modal-phone small{font-size:12px}.chat-modal-phone strong{font-size:22px}.chat-modal-form{flex:none;min-width:0;padding:52px 20px 20px;overflow:visible}.chat-modal-form .field{margin-bottom:14px}.chat-modal-form .field textarea{min-height:72px}.chat-modal-success{min-height:min(660px,calc(100dvh - 24px));padding:32px 24px}.chat-success-icon{width:64px;height:64px;margin-bottom:18px}.chat-success-icon svg{width:32px;height:32px}.chat-success-title{font-size:20px}}.contact-info h2{font-size:28px;color:#1c2b3a;margin:0 0 22px}.contact-info .info-item{display:flex;gap:14px;margin-bottom:20px}.contact-info .info-item .ic{width:44px;height:44px;flex:none;border-radius:10px;background:#1a6fc41a;color:#1a6fc4;display:flex;align-items:center;justify-content:center;font-size:20px}.contact-info .info-item .txt strong{display:block;color:#1c2b3a;font-size:15px}.contact-info .info-item .txt span{font-size:14px}.contact-info .qr-group{display:flex;gap:20px;margin-top:24px}.contact-info .qr-item{flex:1 1;text-align:center}.contact-info .qr-img{width:120px;height:120px;border-radius:8px;border:1px solid #eee;display:block;margin:0 auto}.contact-info .qr-cap{margin-top:8px;font-size:14px;color:#1c2b3a;font-weight:500}.contact-form{background:#fff;border:1px solid var(--border);border-radius:10px;padding:32px;box-shadow:var(--shadow-card);margin-top:32px}.contact-form h3{font-size:20px;color:#1c2b3a;margin:0 0 20px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{margin-bottom:16px}.field label{display:block;font-size:14px;color:#1c2b3a;margin-bottom:6px}.field label .req{color:#e63946}.field input,.field textarea{width:100%;padding:11px 14px;border:1px solid var(--border);border-radius:8px;font-size:14.5px;font-family:inherit;outline:none;transition:border-color .2s ease}.field input:focus,.field textarea:focus{border-color:#1a6fc4}.field textarea{resize:vertical;min-height:110px}.chat-modal form button[type=submit]{display:block;margin:0 auto}.form-note{font-size:13px;color:#9aa7b3;margin-top:4px}.map-box{flex:1 1;min-height:240px;border-radius:10px;overflow:hidden;margin-top:30px;background:#eef2f6}.amap-box{width:100%;height:100%;min-height:240px}.map-marker{position:relative;width:28px;height:42px}.map-marker .map-pin{position:absolute;left:50%;top:0;transform:translate(-50%);width:28px;height:42px;filter:drop-shadow(0 3px 8px rgba(26,111,196,.45));z-index:2}.map-marker .map-pulse{position:absolute;left:50%;top:100%;width:22px;height:22px;margin:-11px 0 0 -11px;border-radius:50%;background:#1a6fc480;z-index:1;transform-origin:center;animation:map-pulse 2.4s ease-out infinite}.map-marker .map-pulse--2{animation-delay:.8s}.map-marker .map-pulse--3{animation-delay:1.6s}@keyframes map-pulse{0%{transform:scale(.6);opacity:.85}70%{opacity:.12}to{transform:scale(5);opacity:0}}.amap-info-contentContainer,.amap-info-content{background:transparent!important;border:none!important;box-shadow:none!important;padding:0!important;overflow:visible!important}.amap-info-content{max-height:none!important;overflow:visible!important}.amap-info-close,.amap-info-sharp{display:none!important}.amap-card{position:relative;width:260px;padding:12px 14px;border-radius:12px;background:#fff;box-shadow:0 6px 20px #00000026;border:1px solid rgba(0,0,0,.06);font-family:-apple-system,PingFang SC,Microsoft YaHei,sans-serif;overflow:visible}.amap-card:after{content:"";position:absolute;left:50%;bottom:-8px;transform:translate(-50%);width:0;height:0;border-left:8px solid transparent;border-right:8px solid transparent;border-top:8px solid #ffffff;filter:drop-shadow(0 2px 1px rgba(0,0,0,.06))}.amap-card-title{font-size:14px;font-weight:700;color:#1c2b3a;margin-bottom:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.amap-card-addr{font-size:12px;color:#5a6b7b;line-height:1.6}@media (max-width: 992px){.contact-layout{grid-template-columns:1fr;gap:32px}}@media (max-width: 768px){.contact-info h2{font-size:24px;margin-bottom:18px}.contact-info .info-item{gap:12px;margin-bottom:18px}.contact-info .info-item .ic{width:40px;height:40px;border-radius:9px;font-size:18px}.contact-info .info-item .txt strong{font-size:14px}.contact-info .info-item .txt span{font-size:13.5px;line-height:1.6;word-break:break-all}.contact-info .qr-group{gap:16px;margin-top:20px}.contact-info .qr-img{width:110px;height:110px}.map-box{margin-top:24px}.map-box--lg{min-height:320px}.chat-fab,.tel-fab{width:42px;height:42px}.contact-popover{display:none}.chat-fab-tip{display:none!important}.contact-form{padding:24px 20px}}@media (max-width: 640px){.form-row{grid-template-columns:1fr}}.site-footer{background:#0f1f33;color:#9fb0c3;padding:44px 0 24px}.footer-top{max-width:var(--max-w);margin:0 auto;padding:40px 24px 36px;display:grid;grid-template-columns:1fr 1fr .8fr 2fr;gap:0 20px;align-items:start;border-bottom:1px solid rgba(255,255,255,.08)}.footer-col{display:flex;flex-direction:column}.footer-col:first-child{display:grid;grid-template-columns:repeat(2,auto);grid-template-rows:repeat(5,auto);grid-auto-flow:column;gap:0 24px}.footer-col:nth-child(2){display:block}.footer-col:first-child>a,.footer-col:nth-child(2)>a{margin-bottom:12px}.footer-col h4{color:#fff;font-size:17px;margin:0 0 20px;font-weight:600;padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.12);width:fit-content;grid-column:1 / -1}.footer-col:first-child h4{min-width:100%}.footer-col a{display:block;color:#9fb0c3;font-size:15px;line-height:1.8;margin-bottom:12px;transition:color .25s ease}.footer-col a:hover{color:var(--accent)}.footer-brand-area{display:flex;flex-direction:column;align-items:center;gap:12px;padding-top:2px}.footer-brand img{height:26px}.footer-qr{display:flex;flex-direction:column;align-items:center;gap:5px;margin-top:4px}.footer-qr-img{width:140px;height:140px;border-radius:4px;background:#ffffff14;border:1px solid rgba(255,255,255,.12);color:#9fb0c3;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;letter-spacing:1px}.footer-qr span{font-size:13px;color:#7a8c9e;line-height:1.4}.qr-lightbox{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9999;background:#000000b8;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;cursor:zoom-out;animation:qr-fade-in .2s ease}.qr-lightbox img{width:min(320px,80vw);height:auto;border-radius:8px;background:#fff;padding:8px;box-shadow:0 12px 40px #00000073;animation:qr-zoom-in .25s ease}.qr-lightbox-tip{color:#ffffffbf;font-size:14px;letter-spacing:1px}@keyframes qr-fade-in{0%{opacity:0}to{opacity:1}}@keyframes qr-zoom-in{0%{transform:scale(.8);opacity:0}to{transform:scale(1);opacity:1}}.footer-contact-info{display:flex;flex-direction:column;padding-top:44px}.footer-contact-info p{color:#9fb0c3;font-size:15px;line-height:2;margin:0 0 10px}.footer-contact-info p:last-child{white-space:nowrap}@media (max-width: 768px){.footer-contact-info p:last-child{white-space:normal;word-break:break-word}}.footer-contact-info p:first-child{white-space:nowrap}.footer-contact-info .label{color:#e2e9f0;font-weight:700}.footer-contact-info a{color:#9fb0c3;text-decoration:none;transition:color .25s ease}.footer-contact-info a:hover{color:var(--accent)}.footer-bottom{max-width:var(--max-w);margin:0 auto;padding:22px 24px 0;text-align:center;font-size:13px;color:#6b7d92;line-height:1.6}.footer-bottom .beian-link{color:#6b7d92;text-decoration:none;cursor:pointer;transition:color .2s ease}.footer-bottom .beian-link:hover{color:var(--accent);text-decoration:underline}@media (max-width: 992px){.footer-top{grid-template-columns:repeat(2,1fr);gap:30px}}@media (max-width: 640px){.footer-top{grid-template-columns:1fr;gap:28px}}.partners-wall{max-width:960px;margin:0 auto;padding:12px 0 8px}.partners-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.partner-card{background:#fff;border:1px solid #e6ebf1;border-radius:10px;padding:18px;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}.partner-card:hover{transform:translateY(-4px);box-shadow:0 10px 24px #1a6fc41f;border-color:var(--primary)}.partner-logo{height:84px;display:flex;align-items:center;justify-content:center;border-radius:8px;background:#f5f8fc;overflow:hidden}.partner-logo img{max-width:100%;max-height:100%;object-fit:contain}.partner-name{color:#1c2b3a;font-size:14px;font-weight:600;text-align:center;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}@media (max-width: 768px){.partners-grid{grid-template-columns:repeat(2,1fr);gap:12px}}@media (max-width: 480px){.partners-grid{grid-template-columns:1fr}}.back-top{position:fixed;right:28px;bottom:calc(32px + env(safe-area-inset-bottom,0px));width:46px;height:46px;padding:0;border-radius:50%;background:#1a6fc4;color:#fff;border:none;cursor:pointer;font-size:20px;display:flex;align-items:center;justify-content:center;text-align:center;box-shadow:0 8px 20px #1a6fc466;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .3s ease;z-index:100}.back-top svg{width:20px;height:20px;flex-shrink:0;display:block}@media (max-width: 768px){.back-top{right:16px;bottom:calc(20px + env(safe-area-inset-bottom,0px))}}.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}.back-top:hover{background:#1459a3}.fade-up{opacity:1;transform:translateY(0);transition:opacity .7s ease,transform .7s ease}html.js .fade-up{opacity:0;transform:translateY(30px)}html.js .fade-up.in-view{opacity:1;transform:translateY(0)}.page-banner--sm{height:calc(300px + var(--header-h))}.page-banner--sm .banner-inner h1{font-size:26px}.page-banner--sm .banner-en{font-size:14px}.news-link,a.detail-item,a.video-card{text-decoration:none;color:inherit}.detail-container{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}.detail-article{background:#fff;border:1px solid var(--border);border-radius:14px;padding:28px}.detail-cover{width:100%;height:320px;border-radius:10px;background-size:cover;background-position:center;margin-bottom:22px}.video-player{width:100%;border-radius:10px;overflow:hidden;background:#000;margin-bottom:22px}.video-player video{width:100%;display:block;aspect-ratio:16 / 9;background:#000}.detail-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-light);margin-bottom:14px}.detail-cat{display:inline-block;background:#1a6fc41f;color:var(--primary);font-size:12px;padding:3px 10px;border-radius:16px}.detail-title{font-size:24px;color:var(--text-dark);margin:0 0 20px;line-height:1.5}.detail-content p{color:var(--text-body);font-size:15.5px;line-height:2;margin:0 0 18px;text-indent:2em}.back-link{display:inline-block;margin-top:10px;color:var(--primary);font-weight:600;text-decoration:none}.back-link:hover{color:var(--primary-dark)}.detail-aside{background:#fff;border:1px solid var(--border);border-radius:14px;padding:22px;position:sticky;top:90px}.aside-title{font-size:17px;color:var(--text-dark);margin:0 0 18px;padding-bottom:12px;border-bottom:1px solid var(--border)}.aside-item{display:flex;gap:12px;align-items:center;text-decoration:none;padding:10px 0;border-bottom:1px solid #f0f3f7;transition:opacity .2s ease}.aside-item:last-child{border-bottom:none}.aside-item:hover{opacity:.78}.aside-thumb{width:72px;height:52px;border-radius:6px;background-size:cover;background-position:center;flex-shrink:0}.aside-meta{font-size:12px;color:var(--text-light);margin-bottom:4px}.aside-name{font-size:14px;color:var(--text-dark);line-height:1.5}@media (max-width: 992px){.detail-container{grid-template-columns:1fr;gap:24px}.detail-aside{position:static}}