#navbar{position:fixed;top:0;left:0;right:0;z-index:var(--z-nav);padding:0 60px;height:68px;display:flex;align-items:center;justify-content:flex-end;transition:background var(--transition-slow),border-color var(--transition-slow),box-shadow var(--transition-slow);border-bottom:1px solid transparent;background:rgba(248,250,252,.85)}#navbar.solid{background:rgba(248,250,252,.95);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-color:var(--color-border);box-shadow:var(--shadow-sm)}.logo{position:absolute;left:50%;transform:translateX(-50%);font-family:var(--font-heading);font-size:22px;font-weight:800;letter-spacing:.5px;color:var(--color-primary)}.logo em{font-style:normal;color:var(--color-accent)}.nav-links{display:flex;gap:36px;align-items:center}.nav-links a{font-family:var(--font-body);font-size:13px;font-weight:500;color:var(--color-secondary);letter-spacing:.3px;transition:color var(--transition-fast);position:relative}.nav-links a.active,.nav-links a:hover{color:var(--color-primary)}.nav-links a:after{content:"";position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--color-accent);transition:width var(--transition-base)}.nav-links a.active:after,.nav-links a:hover:after{width:100%}.nav-cta{background:var(--color-accent)!important;color:var(--color-on-accent)!important;padding:8px 22px;border-radius:var(--radius-full);font-size:13px;font-weight:600;transition:background var(--transition-fast),transform var(--transition-fast),box-shadow var(--transition-fast);box-shadow:var(--glow-accent)}.nav-cta:hover{background:var(--color-accent-hover)!important;transform:translateY(-1px);box-shadow:var(--glow-accent-lg)}.nav-cta:after{display:none!important}.lang-toggle{background:none;border:1px solid var(--color-border);color:var(--color-secondary);font-size:12px;font-weight:600;padding:5px 12px;border-radius:var(--radius-full);cursor:pointer;letter-spacing:.3px;transition:all var(--transition-fast);font-family:var(--font-body)}.lang-toggle:hover{border-color:var(--color-accent);color:var(--color-accent);background:rgba(3,105,161,.06)}.lang-toggle.zh-active{background:rgba(217,119,6,.08);border-color:rgba(217,119,6,.5);color:var(--color-warning)}.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;z-index:1001}.hamburger,.hamburger span{transition:all var(--transition-base)}.hamburger span{display:block;width:25px;height:3px;background:var(--color-primary);border-radius:2px}.hamburger:hover span{background:var(--color-accent)}.mobile-menu-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}.mobile-menu-toggle span{width:24px;height:2px;background:var(--color-primary);transition:all var(--transition-base)}.mobile-menu-toggle.active span:first-child{transform:rotate(45deg) translate(5px,5px)}.mobile-menu-toggle.active span:nth-child(2){opacity:0}.mobile-menu-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(7px,-6px)}.mobile-menu{position:fixed;top:68px;left:0;right:0;background:rgba(248,250,252,.98);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);padding:24px;transform:translateY(-100%);opacity:0;transition:transform var(--transition-base),opacity var(--transition-base);z-index:499;border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-md)}.mobile-menu.active{transform:translateY(0);opacity:1}.mobile-menu .nav-links{flex-direction:column;gap:20px;align-items:flex-start}.mobile-menu .nav-links a{font-size:16px;width:100%;padding:12px 0;color:var(--color-secondary)}.mob-menu,.mobile-menu .nav-links a{border-bottom:1px solid var(--color-border)}.mob-menu{display:none;position:fixed;top:68px;left:0;right:0;width:100vw;background:rgba(248,250,252,.98);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);padding:24px;transform:translateY(-100%);opacity:0;transition:transform var(--transition-base),opacity var(--transition-base);z-index:999;box-shadow:var(--shadow-md);flex-direction:column;gap:12px;max-height:calc(100vh - 68px);overflow-y:auto}.mob-menu.active{display:flex!important;transform:translateY(0)!important;opacity:1!important;visibility:visible!important}@media (max-width:768px){.mob-menu.active{display:flex!important}}.mob-close{font-size:28px;color:var(--color-fg-muted);cursor:pointer;align-self:flex-end;padding:8px;transition:color var(--transition-fast)}.mob-close:hover{color:var(--color-primary)}.mob-nav-link{font-size:16px;color:var(--color-secondary);padding:12px 0;border-bottom:1px solid var(--color-border);transition:color var(--transition-fast)}.mob-nav-link:hover{color:var(--color-primary)}.mob-lang-selector{display:flex;flex-direction:column;gap:8px;margin-top:16px;padding-top:16px;border-top:1px solid var(--color-border)}.mob-lang-option{background:var(--color-surface-2);border:1px solid var(--color-border);color:var(--color-secondary);padding:10px 16px;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);font-size:14px;text-align:left}.mob-lang-option:hover{background:var(--color-muted);color:var(--color-primary)}.mob-lang-option.active{background:rgba(3,105,161,.08);border-color:var(--color-accent);color:var(--color-accent)}@media (max-width:1024px){#navbar{padding:0 40px}.nav-links{gap:24px}}@media (max-width:768px){.hamburger{display:flex!important}.nav-cta,.nav-links{display:none!important}#navbar{padding:0 24px;height:60px}.logo{font-size:18px;position:absolute;left:50%;transform:translateX(-50%)}.hamburger{position:relative;z-index:1}}@media (max-width:640px){.hamburger{display:flex!important}.nav-cta{display:none!important}#navbar{padding:0 20px}.nav-links{display:none}.logo{font-size:17px}}@media (max-width:480px){#navbar{padding:0 16px;height:56px}.logo{font-size:16px}}@media (max-width:768px){#navbar .hamburger,nav .hamburger,nav#navbar .hamburger{display:flex!important;visibility:visible!important;opacity:1!important;position:relative!important;z-index:9999!important}#navbar .nav-cta,#navbar .nav-links,nav#navbar .lang-dropdown-wrapper,nav#navbar .nav-cta,nav#navbar .nav-links{display:none!important}}@media (max-width:640px){#navbar .hamburger,nav .hamburger,nav#navbar .hamburger{display:flex!important;visibility:visible!important;opacity:1!important;position:relative!important;z-index:9999!important}}.theme-toggle{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:var(--radius-full);background:none;border:1px solid var(--color-border);color:var(--color-secondary);cursor:pointer;transition:all var(--transition-fast);flex-shrink:0}.theme-toggle:hover{border-color:var(--color-accent);color:var(--color-accent);background:rgba(3,105,161,.06)}[data-theme=dark] .theme-toggle:hover{background:rgba(56,189,248,.1)}@media (max-width:768px){.theme-toggle{display:none}}[data-theme=dark] #navbar{background:rgba(10,14,26,.85)}[data-theme=dark] #navbar.solid{background:rgba(10,14,26,.97);border-color:rgba(255,255,255,.08);box-shadow:0 1px 12px rgba(0,0,0,.4)}[data-theme=dark] .mob-menu{background:rgba(10,14,26,.98);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}[data-theme=dark] .mob-close{color:rgba(255,255,255,.6)}[data-theme=dark] .mob-close:hover{color:rgba(255,255,255,.95)}[data-theme=dark] .mob-nav-link{color:rgba(255,255,255,.7);border-bottom-color:rgba(255,255,255,.08)}[data-theme=dark] .mob-nav-link:hover{color:rgba(255,255,255,.95)}[data-theme=dark] .mob-lang-selector{border-top-color:rgba(255,255,255,.08)}[data-theme=dark] .mob-lang-option{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.08);color:rgba(255,255,255,.7)}[data-theme=dark] .mob-lang-option:hover{background:rgba(255,255,255,.08);color:rgba(255,255,255,.95)}[data-theme=dark] .mob-lang-option.active{background:rgba(56,189,248,.12);border-color:rgba(56,189,248,.4);color:#38BDF8}[data-theme=dark] .mob-theme-toggle{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.08);color:rgba(255,255,255,.7)}[data-theme=dark] .mob-theme-toggle:hover{background:rgba(255,255,255,.08);color:rgba(255,255,255,.95)}.navbar-logo-img{display:block;width:auto!important;height:56px!important;max-height:56px;-o-object-fit:contain;object-fit:contain}@media (max-width:768px){.navbar-logo-img{height:40px!important;max-height:40px;width:auto!important}}@media (max-width:480px){.navbar-logo-img{height:36px!important;max-height:36px;width:auto!important}}.lang-dropdown-wrapper{position:relative}.lang-dropdown{position:absolute;top:calc(100% + 8px);right:0;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-md);overflow:hidden;z-index:100;min-width:140px}.lang-option{display:flex;align-items:center;gap:8px;width:100%;padding:10px 16px;background:none;border:none;color:var(--color-secondary);font-size:13px;font-family:var(--font-body);cursor:pointer;transition:background var(--transition-fast),color var(--transition-fast);text-align:left}.lang-option:hover{background:var(--color-muted);color:var(--color-primary)}.lang-option.active{background:rgba(3,105,161,.08);color:var(--color-accent);font-weight:600}[data-theme=dark] .lang-dropdown{background:var(--color-surface-2);border-color:rgba(255,255,255,.08);box-shadow:0 4px 20px rgba(0,0,0,.4)}[data-theme=dark] .lang-option{color:rgba(255,255,255,.7)}[data-theme=dark] .lang-option:hover{background:rgba(255,255,255,.06);color:rgba(255,255,255,.95)}[data-theme=dark] .lang-option.active{background:rgba(56,189,248,.12);color:#38BDF8}.contact-section{background:var(--color-bg-alt);position:relative;min-height:100vh;display:flex;flex-direction:column}.contact-section .grid-bg{position:absolute;inset:0;background-image:linear-gradient(var(--color-border) 1px,transparent 1px),linear-gradient(90deg,var(--color-border) 1px,transparent 1px);background-size:50px 50px;opacity:.3;z-index:0}.contact-section .orb3{position:absolute;width:600px;height:600px;background:radial-gradient(circle,rgba(3,105,161,.1) 0,transparent 70%);border-radius:50%;top:50%;left:50%;transform:translate(-50%,-50%);animation:orbPulse 8s ease-in-out infinite;z-index:0}.contact-section .slide-inner{flex:1;display:flex;align-items:center;padding:80px 5%;position:relative;z-index:1}.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:80px;max-width:1400px;margin:0 auto;width:100%}.contact-info-col{display:flex;flex-direction:column;gap:32px}.contact-info-col .sec-sub{font-family:var(--font-body);font-size:18px;color:var(--color-fg-muted);margin-top:-16px}.ci-list{display:flex;flex-direction:column;gap:24px;margin-top:16px}.ci-item{display:flex;gap:16px;align-items:flex-start;padding:20px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);transition:all var(--transition-base);box-shadow:var(--shadow-sm)}.ci-item:hover{border-color:var(--color-accent);transform:translateX(8px);box-shadow:var(--shadow-md)}.ci-icon{width:44px;height:44px;min-width:44px;display:flex;align-items:center;justify-content:center;background:rgba(3,105,161,.08);border-radius:var(--radius-md);color:var(--color-accent)}.ci-icon svg{width:20px;height:20px}.ci-content{flex:1}.ci-title{font-size:16px;font-weight:600;color:var(--color-primary);margin:0 0 6px}.ci-text,.ci-title{font-family:var(--font-body)}.ci-text{font-size:15px;color:var(--color-fg-muted);margin:0;line-height:1.6}.ci-text a{color:var(--color-accent);text-decoration:none;transition:color var(--transition-fast)}.ci-text a:hover{color:var(--color-accent-hover);text-decoration:underline}.contact-form-col{display:flex;align-items:center}.form-wrap{width:100%;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-md)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px}.fg{display:flex;flex-direction:column;gap:8px}.fg.full{grid-column:1/-1;margin-bottom:20px}.fg label{font-family:var(--font-body);font-size:14px;font-weight:600;color:var(--color-secondary);letter-spacing:.3px}.fg input,.fg select,.fg textarea{width:100%;padding:14px 16px;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-fg);font-family:var(--font-body);font-size:15px;transition:all var(--transition-fast);outline:none}.fg input::-moz-placeholder,.fg textarea::-moz-placeholder{color:var(--color-fg-subtle)}.fg input::placeholder,.fg textarea::placeholder{color:var(--color-fg-subtle)}.fg input:focus,.fg select:focus,.fg textarea:focus{background:var(--color-surface);border-color:var(--color-accent);box-shadow:0 0 0 3px rgba(3,105,161,.1)}.fg select{cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%230369A1' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:44px}.fg textarea{resize:vertical;min-height:120px;line-height:1.6}.btn-submit{width:100%;padding:16px 32px;background:var(--color-accent);border:none;border-radius:var(--radius-md);color:#fff;font-family:var(--font-body);font-size:16px;font-weight:600;cursor:pointer;transition:all var(--transition-base);display:flex;align-items:center;justify-content:center;gap:8px;margin-top:8px;box-shadow:var(--glow-accent)}.btn-submit:hover:not(:disabled){background:var(--color-accent-hover);transform:translateY(-2px);box-shadow:var(--glow-accent-lg)}.btn-submit:disabled{opacity:.5;cursor:not-allowed}.btn-submit .btn-arr{font-size:20px;transition:transform var(--transition-base)}.btn-submit:hover:not(:disabled) .btn-arr{transform:translateX(4px)}.site-footer{background:var(--color-primary);color:var(--color-fg-subtle,#94A3B8);font-family:var(--font-body);width:100%;position:relative;z-index:2}[data-theme=dark] .site-footer{background:#060D1A}.footer-main{width:100%;padding:64px 80px 48px;display:grid;grid-template-columns:1fr 1fr 1fr;gap:56px;border-bottom:1px solid rgba(255,255,255,.08)}.footer-brand .footer-logo-img{height:120px;width:auto;max-width:100%;-o-object-fit:contain;object-fit:contain;display:block;margin-bottom:20px;opacity:1}.footer-tagline{font-size:14px;color:#94A3B8;line-height:1.7;margin-bottom:14px;max-width:340px}.footer-address{font-size:13px;color:#64748B;line-height:1.6;display:flex;align-items:flex-start;gap:6px}.footer-col-title{font-family:var(--font-heading);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:#CBD5E1;margin-bottom:20px}.footer-links-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}.footer-links-list a{font-size:14px;color:#64748B;text-decoration:none;transition:color var(--transition-fast);display:flex;align-items:center;gap:6px}.footer-links-list a:before{content:"";width:4px;height:4px;border-radius:50%;background:#0369A1;flex-shrink:0;opacity:0;transition:opacity var(--transition-fast)}.footer-links-list a:hover{color:#F1F5F9}.footer-links-list a:hover:before{opacity:1}.footer-contact-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.footer-contact-item{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:var(--radius-md);border:1px solid rgba(255,255,255,.07);background:rgba(255,255,255,.03);text-decoration:none;color:#94A3B8;font-size:13px;transition:all var(--transition-fast);cursor:pointer}a.footer-contact-item:hover{border-color:rgba(3,105,161,.5);background:rgba(3,105,161,.08);color:#BAE6FD;transform:translateX(4px)}.fci-icon{width:28px;height:28px;display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0;border-radius:var(--radius-sm)}.fci-zalo{background:#0068ff;color:white;font-weight:800;font-size:12px;font-style:normal;letter-spacing:-.5px}.fci-wa{background:#25D366;color:white;font-size:14px}.footer-zalo:hover{border-color:rgba(0,104,255,.5)!important;background:rgba(0,104,255,.08)!important;color:#93C5FD!important}.footer-wa:hover{border-color:rgba(37,211,102,.5)!important;background:rgba(37,211,102,.08)!important;color:#86EFAC!important}.footer-wechat{cursor:default}.footer-wechat:hover{transform:none!important;border-color:rgba(255,255,255,.07)!important;background:rgba(255,255,255,.03)!important}.footer-bottom{width:100%;padding:20px 80px;display:flex;justify-content:center;align-items:center;font-size:13px;color:#334155;font-family:var(--font-body)}@media (max-width:1024px){.footer-main{grid-template-columns:1fr 1fr;padding:48px 40px 36px;gap:40px}.footer-brand{grid-column:1/-1}.footer-bottom{padding:20px 40px}.footer-brand .footer-logo-img{height:52px}}@media (max-width:768px){.footer-main{grid-template-columns:1fr;padding:40px 24px 28px;gap:32px}.footer-bottom{padding:16px 24px}}@media (max-width:480px){.footer-main{padding:32px 20px 24px}.footer-bottom{padding:14px 20px;font-size:12px}}@media (max-width:968px){.contact-grid{grid-template-columns:1fr;gap:48px}.contact-section .slide-inner{padding:60px 5%;align-items:flex-start}.form-row{grid-template-columns:1fr;gap:16px}}@media (max-width:768px){.contact-section .slide-inner{padding:48px 5%}.form-wrap{padding:24px}.ci-item{padding:14px}.contact-info-col .sec-title{font-size:28px}}@media (max-width:640px){.contact-section .slide-inner{padding:40px 5%}.form-wrap{padding:20px}}@media (max-width:480px){.contact-section .slide-inner{padding:32px 16px}.contact-grid{gap:36px}.contact-info-col .sec-title{font-size:24px}.contact-info-col .sec-sub{font-size:15px}.ci-list{gap:12px}.ci-item{padding:12px;gap:10px}.ci-icon{width:36px;height:36px;min-width:36px}.ci-icon svg{width:16px;height:16px}.ci-text,.ci-title{font-size:13px}.form-wrap{padding:18px}.fg label{font-size:13px}.fg input,.fg select,.fg textarea{font-size:14px}}