/* ===== Reset & Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:#1a1a2e;line-height:1.6;background:#fff}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto;display:block}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-title{text-align:center;font-size:2rem;font-weight:700;color:#06295D;margin-bottom:12px}
.section-subtitle{text-align:center;font-size:1.05rem;color:#666;margin-bottom:48px;max-width:640px;margin-left:auto;margin-right:auto}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:6px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s;border:none}
.btn-primary{background:#06295D;color:#fff}
.btn-primary:hover{background:#0a3d8a;transform:translateY(-1px)}
.btn-outline{background:transparent;color:#06295D;border:2px solid #06295D}
.btn-outline:hover{background:#06295D;color:#fff}
.btn-outline-light{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.7)}
.btn-outline-light:hover{background:#fff;color:#06295D;border-color:#fff}
.header{position:fixed;top:0;left:0;right:0;z-index:1000;background:#fff;border-bottom:1px solid rgba(0,0,0,.06);transition:all .3s}
.header.scrolled{box-shadow:0 2px 20px rgba(6,41,93,.08)}

.header .container{display:flex;align-items:center;justify-content:space-between;height:88px}
.logo{display:flex;align-items:center;gap:10px;font-size:1.2rem;font-weight:700;color:#06295D}
.logo img{height:56px;width:auto}
.nav{display:flex;align-items:center;gap:32px}
.nav a{font-size:.95rem;color:#444;font-weight:500;transition:color .3s;position:relative;padding:4px 0}
.nav a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:#06295D;transition:width .3s}
.nav a:hover,.nav a.active{color:#06295D}
.nav a:hover::after,.nav a.active::after{width:100%}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:8px}
.nav-toggle span{display:block;width:24px;height:2px;background:#06295D;border-radius:2px;transition:all .3s}
.nav-toggle.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
.hero{position:relative;min-height:100vh;display:flex;align-items:center;background:linear-gradient(135deg,#06295D 0%,#0a3d8a 50%,#1a5ca8 100%);overflow:hidden;padding-top:88px}
.hero::before{content:'';position:absolute;inset:0;pointer-events:none}
.hero-content{position:relative;z-index:2;max-width:720px}
.hero h1{font-size:3.2rem;font-weight:800;color:#fff;line-height:1.2;margin-bottom:20px}
.hero h1 span{color:#4ade80}
.hero p{font-size:1.15rem;color:rgba(255,255,255,.8);line-height:1.7;margin-bottom:36px;max-width:560px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-decoration{position:absolute;right:-80px;bottom:-80px;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(62,177,21,.15) 0%,transparent 70%);pointer-events:none}
.hero-decoration2{position:absolute;top:-120px;left:60%;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(74,222,128,.08) 0%,transparent 70%);pointer-events:none}
.stats{background:#06295D;padding:60px 0}
.stats .container{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;text-align:center}
.stat-item h3{font-size:2.4rem;font-weight:800;color:#4ade80;margin-bottom:4px}
.stat-item p{font-size:.95rem;color:rgba(255,255,255,.7)}
.about-intro{background:#f8faff}
.about-intro .container{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.about-text h2{font-size:2rem;font-weight:700;color:#06295D;margin-bottom:20px}
.about-text p{color:#555;margin-bottom:16px;line-height:1.8}
.about-image{background:linear-gradient(135deg,#06295D,#0a3d8a);border-radius:12px;padding:40px;min-height:320px;display:flex;align-items:center;justify-content:center}
.about-image .icon-wrap{text-align:center;color:#fff}
.about-image .icon-wrap svg{width:80px;height:80px;margin-bottom:16px}
.about-image .icon-wrap p{font-size:1.1rem;opacity:.9}
.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.product-card{background:#fff;border-radius:12px;padding:32px 28px;box-shadow:0 4px 20px rgba(6,41,93,.06);border:1px solid rgba(6,41,93,.06);transition:all .3s}
.product-card:hover{transform:translateY(-4px);box-shadow:0 8px 32px rgba(6,41,93,.12);border-color:#06295D20}
.product-card .icon{width:56px;height:56px;border-radius:12px;background:rgba(6,41,93,.06);display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.product-card .icon svg{width:28px;height:28px;color:#06295D}
.product-card h3{font-size:1.15rem;font-weight:700;color:#06295D;margin-bottom:10px}
.product-card p{font-size:.92rem;color:#666;line-height:1.6}
.product-card .tag{display:inline-block;margin-top:14px;padding:4px 12px;border-radius:4px;font-size:.8rem;font-weight:600;background:rgba(62,177,21,.1);color:#2d8a0f}
.brands{background:#f8faff}
.brands-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;max-width:600px;margin:0 auto}
.brands-tags span{padding:10px 24px;background:#fff;border-radius:8px;font-size:.92rem;font-weight:500;color:#555;border:1px solid rgba(6,41,93,.08);transition:all .3s}
.brands-tags span:hover{background:#06295D;color:#fff;border-color:#06295D}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.why-item{text-align:center;padding:36px 24px;border-radius:12px;transition:all .3s}
.why-item:hover{background:#f8faff}
.why-item .num{font-size:2.8rem;font-weight:800;color:rgba(6,41,93,.1);margin-bottom:8px;line-height:1}
.why-item h3{font-size:1.1rem;font-weight:700;color:#06295D;margin-bottom:10px}
.why-item p{font-size:.9rem;color:#666;line-height:1.6;max-width:280px;margin:0 auto}
.cta{background:linear-gradient(135deg,#06295D 0%,#0a3d8a 100%);text-align:center;padding:80px 0}
.cta h2{font-size:2rem;font-weight:700;color:#fff;margin-bottom:12px}
.cta p{color:rgba(255,255,255,.75);margin-bottom:32px;font-size:1.05rem}
.cta .btn-outline-light{margin:0 8px}
.cta .btn-primary-light{background:#4ade80;color:#06295D}
.cta .btn-primary-light:hover{background:#3cc970}
.footer{background:#04142e;color:rgba(255,255,255,.7);padding:48px 0 24px}
.footer .container{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer h4{color:#fff;font-size:1rem;font-weight:600;margin-bottom:16px}
.footer p,.footer a{font-size:.88rem;color:rgba(255,255,255,.6);line-height:1.8}
.footer a:hover{color:#4ade80}
.footer-brand .logo{filter:brightness(0) invert(1);margin-bottom:12px}
.footer-brand p{max-width:300px}
.footer-links li{margin-bottom:8px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:20px;margin-top:32px;text-align:center;font-size:.85rem;color:rgba(255,255,255,.4)}
.page-header{background:linear-gradient(135deg,#06295D,#0a3d8a);padding:120px 0 60px;text-align:center;position:relative;overflow:hidden}
.page-header::before{content:'';position:absolute;inset:0;pointer-events:none}
.page-header h1{position:relative;z-index:2;font-size:2.6rem;font-weight:800;color:#fff;margin-bottom:12px}
.page-header p{position:relative;z-index:2;font-size:1.05rem;color:rgba(255,255,255,.75);max-width:560px;margin:0 auto}
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.contact-info h3{font-size:1.2rem;font-weight:700;color:#06295D;margin-bottom:24px}
.contact-item{display:flex;align-items:flex-start;gap:14px;margin-bottom:20px}
.contact-item .icon{width:40px;height:40px;border-radius:8px;background:rgba(6,41,93,.06);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.contact-item .icon svg{width:18px;height:18px;color:#06295D}
.contact-item h4{font-size:.92rem;font-weight:600;color:#333;margin-bottom:2px}
.contact-item p{font-size:.9rem;color:#666}
.contact-form{background:#f8faff;border-radius:12px;padding:36px;border:1px solid rgba(6,41,93,.06)}
.contact-form h3{font-size:1.2rem;font-weight:700;color:#06295D;margin-bottom:20px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:.88rem;font-weight:500;color:#444;margin-bottom:6px}
.form-group input,.form-group textarea{width:100%;padding:12px 16px;border:1px solid rgba(6,41,93,.12);border-radius:6px;font-size:.95rem;font-family:inherit;transition:border-color .3s;background:#fff}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:#06295D;box-shadow:0 0 0 3px rgba(6,41,93,.08)}
.form-group textarea{height:120px;resize:vertical}
.product-detail-group{margin-bottom:64px}
.product-detail-group:last-child{margin-bottom:0}
.product-detail-group h2{font-size:1.6rem;font-weight:700;color:#06295D;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.product-detail-group h2 .g-icon{width:32px;height:32px;color:#3eb115}
.product-detail-group>p{color:#666;margin-bottom:28px}
.product-sub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.product-sub-card{border:1px solid rgba(6,41,93,.08);border-radius:10px;padding:24px;transition:all .3s;background:#fff}
.product-sub-card:hover{box-shadow:0 4px 20px rgba(6,41,93,.08);border-color:#06295D20}
.product-sub-card h3{font-size:1.05rem;font-weight:600;color:#06295D;margin-bottom:8px}
.product-sub-card p{font-size:.88rem;color:#666;line-height:1.6}
.about-story p{font-size:1rem;color:#555;line-height:1.9;margin-bottom:16px;max-width:800px}
.about-values{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:48px}
.about-value{border:1px solid rgba(6,41,93,.08);border-radius:10px;padding:32px 24px;text-align:center;transition:all .3s}
.about-value:hover{box-shadow:0 4px 20px rgba(6,41,93,.08);border-color:#06295D20}
.about-value .v-icon{width:48px;height:48px;border-radius:50%;background:rgba(62,177,21,.1);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;color:#3eb115;font-size:1.4rem;font-weight:700}
.about-value h3{font-size:1.05rem;font-weight:600;color:#06295D;margin-bottom:8px}
.about-value p{font-size:.88rem;color:#666;line-height:1.6}
.coverage-map{background:#fff;text-align:center;padding:48px 0 64px}
.coverage-map p{font-size:1.05rem;color:#555;max-width:600px;margin:0 auto 10px}
 .coverage-map .map-wrap{max-width:920px;margin:32px auto 0}
 .coverage-map .map-wrap img{width:100%;height:auto;border-radius:12px;box-shadow:0 4px 24px rgba(6,41,93,.1)}
.coverage-map .highlight{color:#06295D;font-weight:700}
@media(max-width:992px){
  .hero h1{font-size:2.4rem}
  .about-intro .container,.contact-wrap{grid-template-columns:1fr;gap:40px}
  .products-grid,.why-grid,.about-values{grid-template-columns:repeat(2,1fr)}
  .product-sub-grid{grid-template-columns:repeat(2,1fr)}
  .stats .container{grid-template-columns:repeat(2,1fr)}
  .footer .container{grid-template-columns:repeat(2,1fr)}
  .hero-decoration,.hero-decoration2{display:none}
}
@media(max-width:768px){
  .nav{position:fixed;top:88px;left:0;right:0;background:#fff;flex-direction:column;padding:24px;gap:20px;box-shadow:0 8px 24px rgba(0,0,0,.08);transform:translateY(-120%);opacity:0;transition:all .3s;border-bottom:1px solid rgba(0,0,0,.06)}
  .nav.open{transform:translateY(0);opacity:1}
  .nav-toggle{display:flex}
  .hero h1{font-size:1.8rem}
  .hero p{font-size:1rem}
  .section{padding:48px 0}
  .section-title{font-size:1.5rem}
  .products-grid,.why-grid,.about-values{grid-template-columns:1fr}
  .product-sub-grid{grid-template-columns:1fr}
  .page-header h1{font-size:1.8rem}
  .footer .container{grid-template-columns:1fr;gap:24px}
  .stats .container{grid-template-columns:repeat(2,1fr);gap:24px}
  .stat-item h3{font-size:1.8rem}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%;justify-content:center}
}
@media(max-width:480px){
  .stats .container{grid-template-columns:repeat(2,1fr);gap:16px}
  .container{padding:0 16px}
  .hero h1{font-size:1.5rem}
}
/* ===== Lightbox ===== */
.lightbox-overlay{position:fixed;inset:0;z-index:9999;background:rgba(0,0,0,.7);display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .35s ease;padding:24px}
.lightbox-overlay.show{opacity:1;pointer-events:auto}
.lightbox-overlay img{max-width:94vw;max-height:92vh;width:auto;height:auto;border-radius:8px;box-shadow:0 8px 48px rgba(0,0,0,.35);transform:scale(.92);transition:transform .35s ease}
.lightbox-overlay.show img{transform:scale(1)}
.lightbox-overlay .close-btn{position:absolute;top:20px;right:24px;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.15);border:none;color:#fff;font-size:24px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .25s}
.lightbox-overlay .close-btn:hover{background:rgba(255,255,255,.3)}
.img-zoom{cursor:zoom-in}
/* ===== About intro grid ===== */
.about-intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.about-intro-grid .about-story p{font-size:1rem;color:#555;line-height:1.9;margin-bottom:14px;max-width:800px}
.about-intro-grid .about-story p:last-child{margin-bottom:0}
.about-stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.about-stat-card{background:linear-gradient(135deg,#06295D,#0a3d8a);border-radius:10px;padding:24px 16px;text-align:center;color:#fff;display:flex;flex-direction:column;justify-content:center;min-height:110px;transition:transform .3s,box-shadow .3s;position:relative;overflow:hidden}
.about-stat-card::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 30% 20%,rgba(74,222,128,.15),transparent 70%);opacity:0;transition:opacity .4s}
.about-stat-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(6,41,93,.2)}
.about-stat-card:hover::before{opacity:1}
.about-stat-card .stat-num{font-size:2rem;font-weight:800;color:#4ade80;line-height:1;margin-bottom:6px;position:relative;transition:transform .3s}
.about-stat-card:hover .stat-num{transform:scale(1.1)}
.about-stat-card .stat-label{font-size:.8rem;opacity:.75;line-height:1.4;position:relative}
.about-stat-badge{grid-column:1/-1;background:#fff;border-radius:10px;padding:14px;text-align:center;border:2px dashed rgba(6,41,93,.15);font-size:.9rem;color:#06295D;font-weight:600;line-height:1.6;transition:all .3s;margin-top:4px}
.about-stat-badge:hover{background:rgba(6,41,93,.04);border-color:#06295D;border-style:solid}
.about-stat-badge a{color:#06295D;text-decoration:none;display:block}
.about-stat-badge a:hover{color:#0a3d8a}
@media(max-width:768px){
  .about-intro-grid{grid-template-columns:1fr;gap:32px}
  .about-stats-grid{grid-template-columns:1fr 1fr}
}
/* ===== Language Switcher ===== */
.lang-switcher{position:relative;display:inline-block}
.lang-btn{background:rgba(6,41,93,.06);border:1px solid rgba(6,41,93,.1);border-radius:6px;padding:6px 14px;font-size:.85rem;font-weight:500;color:#06295D;cursor:pointer;display:flex;align-items:center;gap:6px;transition:all .25s}
.lang-btn:hover{background:rgba(6,41,93,.1)}
.lang-btn svg{width:14px;height:14px;transition:transform .25s}
.lang-btn.open svg{transform:rotate(180deg)}
.lang-dropdown{position:absolute;top:calc(100% + 6px);right:0;background:#fff;border-radius:8px;box-shadow:0 8px 32px rgba(0,0,0,.12);border:1px solid rgba(0,0,0,.06);min-width:120px;opacity:0;pointer-events:none;transform:translateY(-6px);transition:all .25s;z-index:100;overflow:hidden}
.lang-dropdown.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.lang-dropdown a{display:flex;align-items:center;gap:8px;padding:10px 16px;font-size:.85rem;color:#444;transition:background .2s}
.lang-dropdown a:hover{background:#f8faff;color:#06295D}
.lang-dropdown a.active{color:#06295D;font-weight:600;background:rgba(6,41,93,.04)}
.lang-dropdown a .flag{font-size:1.1rem;line-height:1}
@media(max-width:768px){
  .lang-switcher{margin-left:0}
  .lang-dropdown{right:auto;left:0}
}