*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;color:#222;background:#fff;line-height:1.65}a{color:inherit;text-decoration:none}img,video{max-width:100%;display:block}.wrap{width:min(1160px,calc(100% - 32px));margin:0 auto}.topbar{height:38px;background:#f4f4f4;border-bottom:1px solid #e7e7e7;color:#666;font-size:13px}.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:100%;gap:20px}.masthead{height:104px;display:flex;align-items:center;justify-content:space-between}.logo strong{display:block;color:#243f83;font-size:34px;letter-spacing:2px;line-height:1}.logo span{display:block;color:#9b6b2b;font-size:13px;letter-spacing:4px;margin-top:8px}.hotline{text-align:right;color:#777}.hotline span{display:block;font-size:15px}.hotline a{display:block;color:#c82020;font-size:30px;font-weight:700;line-height:1.2}.main-nav{background:#163a78;color:#fff}.nav-inner{display:flex;align-items:center;justify-content:space-between;min-height:54px}.main-nav ul{display:flex;list-style:none;margin:0;padding:0}.main-nav li{border-left:1px solid rgba(255,255,255,.14)}.main-nav li:last-child{border-right:1px solid rgba(255,255,255,.14)}.main-nav a{display:block;padding:16px 24px;font-size:16px}.main-nav a:hover,.main-nav a.active{background:#c32026}.search{display:flex;align-items:center;background:#fff;border-radius:2px;height:32px;overflow:hidden}.search input{width:160px;border:0;padding:0 10px;outline:0}.search button{width:34px;height:32px;border:0;background:#c32026;position:relative;cursor:pointer}.search button:before{content:"";position:absolute;left:10px;top:8px;width:10px;height:10px;border:2px solid #fff;border-radius:50%}.search button:after{content:"";position:absolute;left:21px;top:20px;width:8px;height:2px;background:#fff;transform:rotate(45deg)}.hero{height:520px;position:relative;overflow:hidden;background:#111}.hero-track,.hero-slide{position:absolute;inset:0}.hero-slide{opacity:0;background-size:cover;background-position:center;transition:opacity .8s ease}.hero-slide:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.68),rgba(0,0,0,.2),rgba(0,0,0,.05))}.hero-slide.active{opacity:1}.hero-content{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center;color:#fff}.hero-content p{margin:0 0 14px;color:#f2d39b;font-size:18px}.hero-content h1{font-size:52px;line-height:1.12;margin:0 0 16px;letter-spacing:1px}.hero-content strong{font-size:22px;max-width:720px;font-weight:500}.hero-actions{display:flex;gap:14px;margin-top:34px}.hero-actions a,.more,.contact-band a{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 28px;background:#c32026;color:#fff;font-weight:700}.hero-actions a:nth-child(2){background:#fff;color:#163a78}.hero-dots{position:absolute;z-index:3;left:50%;bottom:24px;transform:translateX(-50%);display:flex;gap:10px}.hero-dots button{width:36px;height:4px;border:0;background:rgba(255,255,255,.55);cursor:pointer}.hero-dots button.on{background:#c32026}.section{padding:68px 0}.section-title{text-align:center;margin-bottom:36px}.section-title span{display:block;color:#b98b4b;font-size:13px;letter-spacing:4px;text-transform:uppercase}.section-title h2{font-size:34px;color:#163a78;margin:6px 0 10px}.section-title p{margin:0 auto;color:#666;max-width:780px}.services{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.service-card{position:relative;height:250px;overflow:hidden;background:#000;color:#fff}.service-card img{width:100%;height:100%;object-fit:cover;transition:transform .35s}.service-card div{position:absolute;inset:auto 0 0;padding:24px;background:linear-gradient(transparent,rgba(0,0,0,.78))}.service-card h3{margin:0;font-size:23px}.service-card span{color:#f1c37a;letter-spacing:2px;font-size:12px}.service-card p{margin:8px 0 0;color:#eee;font-size:14px}.service-card:hover img{transform:scale(1.06)}.strength{background:#f5f5f5;padding:76px 0}.strength-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}.eyebrow{color:#b98b4b;letter-spacing:4px}.strength h2{font-size:36px;color:#163a78;line-height:1.25;margin:10px 0 18px}.strength p{color:#555}.strength ul{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;list-style:none;margin:28px 0 0;padding:0}.strength li{background:#fff;border-left:4px solid #c32026;padding:18px}.strength strong{display:block;color:#c32026;font-size:28px}.strength span{color:#666}.strength img,.about-layout img{height:420px;width:100%;object-fit:cover;box-shadow:0 18px 36px rgba(0,0,0,.14)}.case-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.case-card,.gallery-item{border:1px solid #e6e6e6;background:#fff;transition:box-shadow .25s,transform .25s}.case-card:hover,.gallery-item:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(0,0,0,.1)}.case-card img{width:100%;aspect-ratio:4/3;object-fit:cover}.case-card span,.gallery-item span{display:block;color:#b98b4b;font-size:13px;margin:14px 16px 2px}.case-card h3,.gallery-item h3{font-size:17px;margin:0 16px 18px;line-height:1.4}.center{text-align:center;margin-top:34px}.process{background:#163a78;color:#fff;padding:66px 0}.process .section-title h2{color:#fff}.process .section-title p{color:#dce6ff}.process-grid,.advantage-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.process-grid div,.advantage-grid div{border:1px solid rgba(255,255,255,.22);padding:26px;background:rgba(255,255,255,.06)}.process-grid b{font-size:36px;color:#f4c06d}.process-grid h3,.advantage-grid h3{margin:8px 0;color:#fff}.process-grid p,.advantage-grid p{margin:0;color:#dfe8ff}.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.video-card{border:1px solid #e3e3e3;background:#fff}.video-card video{width:100%;aspect-ratio:16/9;object-fit:cover;background:#111}.video-card h3{font-size:18px;margin:15px 16px 4px}.video-card p{margin:0 16px 18px;color:#666}.contact-band{background:#c32026;color:#fff;padding:42px 0}.contact-band .wrap{display:flex;align-items:center;justify-content:space-between;gap:28px}.contact-band span{letter-spacing:4px;color:#ffd08a}.contact-band h2{margin:4px 0 0;font-size:28px}.contact-band a{background:#fff;color:#c32026}.sub-hero{background:linear-gradient(90deg,rgba(12,42,92,.88),rgba(12,42,92,.35)),url('../img/hero/hero-1.webp') center/cover;padding:92px 0;color:#fff}.sub-hero span{color:#f2c069;letter-spacing:4px}.sub-hero h1{font-size:44px;margin:8px 0 10px}.sub-hero p{max-width:760px;margin:0;color:#eef3ff}.filter-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}.filter-tabs button{height:38px;padding:0 18px;border:1px solid #d8d8d8;background:#fff;cursor:pointer}.filter-tabs button.active,.filter-tabs button:hover{background:#163a78;color:#fff;border-color:#163a78}.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.gallery-item img{width:100%;aspect-ratio:4/3;object-fit:cover}.about-layout{display:grid;grid-template-columns:1fr .9fr;gap:48px;align-items:center}.about-layout .section-title{text-align:left;margin-bottom:22px}.about-layout p{color:#555}.about-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px}.about-stats div{background:#f5f5f5;border-left:4px solid #c32026;padding:18px}.about-stats strong{display:block;color:#c32026;font-size:26px}.about-stats span{color:#666}.dark{background:#0f2b5d}.contact-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:38px}.contact-card,.inquiry{border:1px solid #e3e3e3;background:#fff;padding:32px}.contact-card h2{margin-top:0;color:#163a78}.contact-card a{color:#c32026}.inquiry{display:grid;grid-template-columns:1fr 1fr;gap:18px}.inquiry label{display:flex;flex-direction:column;gap:8px;font-weight:700}.inquiry input,.inquiry textarea{border:1px solid #d8d8d8;padding:12px;font:inherit}.inquiry textarea{min-height:136px;resize:vertical}.inquiry label:nth-child(4){grid-column:1/-1}.inquiry button{grid-column:1/-1;height:46px;border:0;background:#c32026;color:#fff;font-size:16px;font-weight:700;cursor:pointer}.site-footer{background:#222;color:#ddd}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr 1fr;gap:42px;padding:48px 0}.site-footer h3,.site-footer h4{color:#fff;margin:0 0 16px}.site-footer p{margin:6px 0;color:#cfcfcf}.site-footer a{display:block;color:#cfcfcf;margin:6px 0}.copyright{text-align:center;border-top:1px solid #3a3a3a;padding:14px;color:#aaa;font-size:13px}.float-phone{position:fixed;right:18px;bottom:18px;z-index:20;background:#c32026;color:#fff;padding:12px 16px;text-align:center;box-shadow:0 10px 24px rgba(0,0,0,.22)}@media (max-width:900px){.topbar-inner,.masthead,.nav-inner,.contact-band .wrap{align-items:flex-start;flex-direction:column;height:auto}.topbar{height:auto;padding:8px 0}.masthead{padding:18px 0}.hotline{text-align:left}.main-nav ul{width:100%;flex-wrap:wrap}.main-nav a{padding:12px 14px}.search{margin:10px 0}.hero{height:480px}.hero-content h1{font-size:38px}.hero-content strong{font-size:18px}.services,.case-grid,.gallery-grid,.process-grid,.advantage-grid,.video-grid{grid-template-columns:repeat(2,1fr)}.strength-grid,.about-layout,.contact-layout,.footer-grid{grid-template-columns:1fr}.strength ul,.about-stats{grid-template-columns:1fr 1fr}.inquiry{grid-template-columns:1fr}}@media (max-width:560px){body{padding-bottom:66px}.wrap{width:min(100% - 22px,1160px)}.logo strong{font-size:28px}.hotline a{font-size:24px}.main-nav ul{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0}.main-nav li{border:0}.main-nav a{font-size:14px;text-align:center;padding:11px 6px;white-space:nowrap}.search{width:100%}.search input{width:100%;flex:1}.hero{height:430px}.hero-content h1{font-size:28px;line-height:1.22;max-width:340px}.hero-content strong{font-size:17px}.hero-actions{flex-direction:column;align-items:flex-start}.section{padding:46px 0}.section-title h2{font-size:28px}.services,.case-grid,.gallery-grid,.process-grid,.advantage-grid,.video-grid{grid-template-columns:1fr}.strength ul,.about-stats{grid-template-columns:1fr}.contact-band h2{font-size:22px}.sub-hero{padding:64px 0}.sub-hero h1{font-size:34px}.float-phone{left:12px;right:12px;bottom:12px;padding:10px}}

@media (max-width:560px){
  body{padding-bottom:66px}
  .wrap{width:calc(100% - 22px)}
  .main-nav,.main-nav .wrap,.nav-inner,.main-nav ul,.main-nav li,.main-nav a{width:100vw!important;max-width:100vw!important;margin-left:0!important;margin-right:0!important}
  .main-nav ul{display:block}
  .main-nav li{min-width:0;border-top:1px solid rgba(255,255,255,.12)}
  .main-nav a{font-size:14px;text-align:center;padding:10px 6px;white-space:nowrap;overflow:hidden}
  .search{width:calc(100vw - 22px);margin:10px 11px}
  .hero-content h1{font-size:28px;line-height:1.22;max-width:340px}
  .hero-content strong{font-size:17px;max-width:335px}
  .float-phone{display:none}
}

@media (max-width:640px){
  html,body{max-width:100%;overflow-x:hidden}
  .filter-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;width:100%;max-width:100%;margin-left:0;margin-right:0}
  .filter-tabs button{width:100%;min-width:0;height:auto;min-height:38px;padding:8px 6px;white-space:normal;line-height:1.25;overflow-wrap:anywhere}
  .sub-hero .wrap,.section.wrap{width:calc(100% - 22px);max-width:calc(100% - 22px);overflow:hidden}
  .sub-hero h1,.sub-hero p{max-width:100%;overflow-wrap:anywhere}
  .gallery-grid{width:100%;max-width:100%;overflow:hidden}
  .gallery-item{min-width:0}
}

.lang-strip{background:#fff;border-bottom:1px solid #e8e8e8}
.lang-strip .wrap{display:flex;justify-content:flex-end;padding:8px 0}
.lang-strip a{display:inline-flex;align-items:center;height:30px;padding:0 14px;background:#163a78;color:#fff;font-size:13px;font-weight:700}
.en-copy .section-title span{letter-spacing:3px}
.top-links,.hero-content h1,.hero-content strong,.hero-content p{overflow-wrap:anywhere}
.topbar-inner>*{min-width:0}
@media (max-width:900px){.topbar-inner span{display:block;width:100%;white-space:normal}}
@media (max-width:560px){.lang-strip .wrap{justify-content:center}.lang-strip a{width:calc(100vw - 22px);justify-content:center}}
@media (max-width:640px){
  html,body{width:100%;max-width:100%;overflow-x:hidden}
  .topbar{height:auto!important;padding:0!important}
  .topbar-inner{display:block!important;height:auto!important;padding:6px 0!important;font-size:12px!important;line-height:1.45!important}
  .topbar-inner span{display:block!important;white-space:nowrap!important;overflow:hidden;text-overflow:ellipsis}
  .masthead{display:flex!important;flex-direction:row!important;align-items:center!important;justify-content:space-between!important;height:auto!important;padding:12px 0!important;gap:10px}
  .masthead .logo{flex:1 1 auto;min-width:0}
  .logo strong{font-size:28px!important;letter-spacing:1px!important;line-height:1.05!important}
  .en-copy .logo strong{font-size:26px!important;white-space:nowrap!important}
  .logo span{font-size:11px!important;letter-spacing:3px!important;margin-top:5px!important}
  .hotline{text-align:right!important;flex:0 0 auto;min-width:120px}
  .hotline span{font-size:12px!important;line-height:1.2!important}
  .hotline a{font-size:22px!important;line-height:1.1!important}
  .main-nav,.main-nav .wrap,.nav-inner{width:100%!important;max-width:100%!important;margin:0!important}
  .nav-inner{display:block!important;min-height:0!important;padding:0 11px 10px!important}
  .main-nav ul{display:grid!important;grid-template-columns:repeat(3,minmax(0,1fr))!important;width:100%!important;max-width:100%!important;margin:0!important;padding:0!important}
  .main-nav li{width:auto!important;max-width:none!important;min-width:0!important;border:0!important;border-right:1px solid rgba(255,255,255,.12)!important;border-bottom:1px solid rgba(255,255,255,.12)!important}
  .main-nav li:nth-child(3n){border-right:0!important}
  .main-nav a{display:flex!important;align-items:center!important;justify-content:center!important;width:auto!important;max-width:none!important;height:42px!important;padding:0 4px!important;font-size:14px!important;line-height:1.1!important;white-space:nowrap!important;overflow:hidden;text-overflow:ellipsis}
  .nav-inner .search{width:100%!important;margin:9px 0 0!important;height:34px!important}
  .search input{width:auto!important;min-width:0!important;flex:1!important;height:34px!important;font-size:14px!important}
  .search button{flex:0 0 42px!important;width:42px!important;height:34px!important}
  .sub-hero .wrap,.section.wrap{width:calc(100vw - 22px)!important;max-width:calc(100vw - 22px)!important;margin-left:11px!important;margin-right:11px!important;overflow:visible!important}
  .filter-tabs{display:grid!important;grid-template-columns:1fr!important;gap:9px!important;width:100%!important;max-width:100%!important;overflow:hidden}
  .filter-tabs button{box-sizing:border-box;width:100%!important;max-width:100%!important;min-width:0!important;height:auto!important;min-height:38px;padding:8px 10px!important;white-space:normal!important;line-height:1.25;word-break:break-word;overflow-wrap:anywhere}
  .gallery-grid{display:grid!important;grid-template-columns:1fr!important;width:100%!important;max-width:100%!important;gap:18px!important;overflow:hidden}
  .gallery-item,.case-card,.video-card,.service-card{width:100%!important;max-width:100%!important;min-width:0!important}
  .sub-hero h1,.sub-hero p,.gallery-item h3,.gallery-item span{max-width:100%;word-break:break-word;overflow-wrap:anywhere}
}
@media (max-width:360px){
  .masthead{align-items:flex-start!important;flex-direction:column!important}
  .hotline{text-align:left!important}
}
@media (max-width:420px){
  .en-copy .logo strong{font-size:24px!important}
  .en-copy .logo span{letter-spacing:2px!important}
}
.mobile-nav-toggle{display:none}
@media (max-width:640px){
  .nav-inner{padding:8px 11px!important}
  .mobile-nav-toggle{display:flex!important;align-items:center;justify-content:space-between;width:100%;height:42px;border:0;background:#c32026;color:#fff;font:700 15px/1 "Microsoft YaHei","PingFang SC",Arial,sans-serif;padding:0 14px;cursor:pointer}
  .mobile-nav-toggle i,.mobile-nav-toggle i:before,.mobile-nav-toggle i:after{display:block;width:18px;height:2px;background:#fff;content:"";position:relative}
  .mobile-nav-toggle i:before{position:absolute;top:-6px;left:0}
  .mobile-nav-toggle i:after{position:absolute;top:6px;left:0}
  .main-nav:not(.nav-open) ul,.main-nav:not(.nav-open) .search{display:none!important}
  .main-nav.nav-open ul{display:grid!important;margin-top:8px!important}
  .main-nav.nav-open .search{display:flex!important}
}
.mobile-quick-actions{display:none}
@media (max-width:640px){
  body{padding-bottom:78px!important}
  .mobile-quick-actions{position:fixed;z-index:40;left:11px;right:11px;bottom:calc(10px + env(safe-area-inset-bottom));display:grid;grid-template-columns:.78fr 1.18fr .72fr;gap:8px}
  .mobile-quick-actions a,.mobile-quick-actions button{display:flex;align-items:center;justify-content:center;height:46px;border:0;background:#c32026;color:#fff;font:700 15px/1 "Microsoft YaHei","PingFang SC",Arial,sans-serif;box-shadow:0 12px 28px rgba(0,0,0,.22);cursor:pointer}
  .mobile-quick-actions a:nth-child(2){background:#148c4b}
  .mobile-quick-actions button{background:#163a78}
}
.hero-slide{transform:scale(1.04);transition:opacity 1s ease,transform 6s ease}
.hero-slide.active{transform:scale(1)}
.hero-dots button,.filter-tabs button,.main-nav a,.lang-strip a,.hero-actions a,.more,.contact-band a,.inquiry button,.mobile-nav-toggle{transition:background-color .25s ease,color .25s ease,transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.hero-actions a:hover,.more:hover,.contact-band a:hover,.inquiry button:hover,.lang-strip a:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(0,0,0,.18)}
.filter-tabs button:hover{transform:translateY(-1px)}
.service-card img,.case-card img,.gallery-item img,.about-layout img,.strength img{transition:transform .65s ease,filter .65s ease}
.case-card:hover img,.gallery-item:hover img,.about-layout:hover img,.strength-grid:hover img{transform:scale(1.045);filter:saturate(1.08)}
.video-card video{transition:filter .35s ease,transform .35s ease}
.video-card:hover video{filter:brightness(1.06);transform:scale(1.01)}
.js-ready .reveal-item{opacity:0;transform:translateY(28px);transition:opacity .72s cubic-bezier(.2,.7,.2,1),transform .72s cubic-bezier(.2,.7,.2,1);transition-delay:var(--stagger,0ms);will-change:opacity,transform}
.js-ready .reveal-item.is-visible{opacity:1;transform:none}
.hero-content > *{animation:heroRise .78s cubic-bezier(.2,.7,.2,1) both}
.hero-content > *:nth-child(2){animation-delay:.12s}
.hero-content > *:nth-child(3){animation-delay:.24s}
.hero-content > *:nth-child(4){animation-delay:.36s}
@keyframes heroRise{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
@media (max-width:640px){
  .main-nav ul,.main-nav .search{animation:mobileNavIn .24s ease both}
  .main-nav.nav-open .mobile-nav-toggle i{background:transparent}
  .main-nav.nav-open .mobile-nav-toggle i:before{top:0;transform:rotate(45deg)}
  .main-nav.nav-open .mobile-nav-toggle i:after{top:0;transform:rotate(-45deg)}
  .mobile-nav-toggle i,.mobile-nav-toggle i:before,.mobile-nav-toggle i:after{transition:transform .22s ease,top .22s ease,background-color .22s ease}
}
@keyframes mobileNavIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){
  *,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.001ms!important}
  .js-ready .reveal-item{opacity:1!important;transform:none!important}
}

html.auth-locked body{overflow:hidden}
html.auth-locked body > :not(.site-auth){filter:blur(7px);pointer-events:none;user-select:none}
.site-auth{position:fixed;z-index:9999;inset:0;display:flex;align-items:center;justify-content:center;padding:22px;background:rgba(10,24,48,.76);backdrop-filter:blur(8px)}
.site-auth-box{width:min(390px,100%);background:#fff;color:#222;border:1px solid rgba(255,255,255,.35);box-shadow:0 24px 70px rgba(0,0,0,.32);padding:30px}
.site-auth-box strong{display:block;color:#163a78;font-size:30px;line-height:1.15;margin-bottom:8px}
.site-auth-box p{margin:0 0 18px;color:#555}
.site-auth-box label{display:flex;flex-direction:column;gap:7px;margin-bottom:13px;font-weight:700}
.site-auth-box input{height:42px;border:1px solid #d8d8d8;padding:0 12px;font:inherit}
.site-auth-box button{width:100%;height:44px;border:0;background:#c32026;color:#fff;font-size:16px;font-weight:700;cursor:pointer}
.site-auth-error{display:block;min-height:22px;margin-top:10px;color:#c32026;font-size:14px}
@media (max-width:640px){.site-auth-box{padding:24px}.site-auth-box strong{font-size:26px}}