*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;color:#333;background:#fff;font-size:14px;line-height:1.8;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block;border:0}

/* ====== NAV 80px ====== */
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;background:#fff;box-shadow:0 1px 0 rgba(0,0,0,0.06);display:flex;align-items:center;justify-content:center;padding:0 5%;height:100px}
.nav-logo{display:flex;align-items:center;gap:10px;margin-right:65px;flex-shrink:0}
.nav-logo .logo-icon{width:42px;height:42px;object-fit:contain;flex-shrink:0}
.nav-logo .logo-text{font-size:35px;font-weight:700;color:#1A6B4A;line-height:1.3;font-family:"Microsoft YaHei","微软雅黑",sans-serif}
.nav-logo .logo-sub{display:block;font-size:11px;font-weight:400;color:#999;letter-spacing:1px;text-align:center}
.nav-menu{display:flex;list-style:none;gap:70px}
.nav-menu li a{font-size:15px;color:#555;padding:6px 0;transition:color .2s;cursor:pointer}
.nav-menu li a:hover,.nav-menu li a.active{color:#1A6B4A}
.nav-menu li a.active{border-bottom:2px solid #1A6B4A;padding-bottom:4px}
.nav-tel-box{display:flex;align-items:center;gap:8px;flex-shrink:0;margin-left:150px}.nav-dot{width:10px;height:10px;background:#1A6B4A;border-radius:50%;flex-shrink:0}.nav-tel-text{display:flex;flex-direction:column;line-height:1.4;text-align:center}.nav-tel-text .nav-tel-label{font-size:18px;color:#1A6B4A;font-weight:600;text-align:center}.nav-tel-text .nav-tel-num{font-size:20px;color:#1A6B4A;font-weight:900;text-align:center}


/* ====== BANNER 540px ====== */
.banner{margin-top:100px;position:relative;height:540px;overflow:hidden;background:#111}
.banner-track{display:flex;height:100%;transition:transform .7s cubic-bezier(.4,0,.2,1)}
.banner-slide{flex:0 0 100%;position:relative;display:flex;align-items:center;min-height:100%}
.banner-slide:nth-child(1){background:linear-gradient(135deg,#0a2a22 0%,#0d4a35 30%,#0e6b4a 60%,#159957 100%)}
.banner-slide:nth-child(2){background:linear-gradient(135deg,#0a1f2e 0%,#0d3d5c 30%,#0a5c5c 60%,#088f8f 100%)}
.banner-slide:nth-child(3){background:linear-gradient(135deg,#1a0f2e 0%,#2d1a4d 30%,#4a2d7a 60%,#6b4fb0 100%)}
.banner-slide::after{content:'';position:absolute;bottom:0;left:0;right:0;height:180px;background:linear-gradient(transparent,rgba(0,0,0,0.35))}
.banner-content{position:relative;z-index:2;color:#fff;padding:0 8%;max-width:1200px;margin:0 auto}
.banner-content .label{display:inline-block;font-size:13px;letter-spacing:3px;color:rgba(255,255,255,0.7);margin-bottom:24px}
.banner-content h1{font-size:48px;font-weight:700;line-height:1.25;margin-bottom:16px}
.banner-content h1 em{font-style:normal;color:#2E9A6A;font-size:56px}
.banner-content .sub{font-size:18px;color:rgba(255,255,255,0.75);letter-spacing:2px}
.banner-stats{position:absolute;bottom:40px;left:8%;z-index:3;display:flex;gap:48px}
.banner-stats div{text-align:center;color:#fff}
.banner-stats div .n{font-size:36px;font-weight:700}
.banner-stats div .l{font-size:12px;color:rgba(255,255,255,0.6);letter-spacing:1px}
.banner-arrow{position:absolute;top:50%;z-index:10;transform:translateY(-50%);width:48px;height:48px;border-radius:50%;background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.15);color:#fff;font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .3s}
.banner-arrow:hover{background:rgba(255,255,255,0.18)}
.banner-arrow.bprev{left:24px}.banner-arrow.bnext{right:24px}
.banner-dots{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);z-index:10;display:flex;gap:10px}
.banner-dots span{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,0.3);cursor:pointer;transition:.3s}
.banner-dots span.active{background:#fff;width:24px;border-radius:4px}

/* ====== SECTION 閫氱敤 ====== */
.sec{padding:90px 5%}
.sec-light{background:#FAFBFC}
.sec-inner{max-width:1160px;margin:0 auto}

/* ====== 鍖哄潡鏍囬 ====== */
.block-tit{text-align:center;margin-bottom:50px}
.block-tit .en{font-size:14px;color:#1A6B4A;letter-spacing:2px;text-transform:uppercase}
.block-tit .cn{font-size:26px;font-weight:600;color:#222;margin-top:6px}

/* ====== 鏁版嵁鍦嗙幆 ====== */
.stats-row{display:flex;flex-wrap:wrap;justify-content:center;gap:60px 80px}
.sc{text-align:center}
.sc .ring{width:72px;height:72px;border-radius:50%;border:2px solid #1A6B4A;display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.sc .ring span{font-size:26px;font-weight:700;color:#1A6B4A}
.sc .lbl{font-size:13px;color:#888}

/* ====== 涓氬姟鑼冨洿 3鍒?====== */
.biz-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.biz-card{background:#fff;padding:36px 28px;border:1px solid #EEE;transition:all .3s}
.biz-card:hover{border-color:#1A6B4A;transform:translateY(-2px);box-shadow:0 4px 16px rgba(0,180,180,0.08)}
.biz-card h4{font-size:17px;font-weight:600;color:#222;margin-bottom:10px}
.biz-card p{font-size:13px;color:#888;line-height:1.7}

/* ====== 鍚堜綔娴佺▼ ====== */
.flow-row{display:flex;justify-content:center;gap:16px;text-align:center}
.flow-item{flex:1;padding:30px 16px}
.flow-item .st{width:52px;height:52px;line-height:52px;border-radius:50%;background:#1A6B4A;color:#fff;font-size:20px;font-weight:700;margin:0 auto 16px}
.flow-item h4{font-size:15px;color:#222;margin-bottom:6px}
.flow-item p{font-size:12px;color:#999}

/* ====== 椤甸潰鍒囨崲 ====== */
.page{display:none}
.page.active{display:block}

/* ====== 瀛愰〉椤堕儴 ====== */
.page-top{margin-top:100px;background:#F5F7F6;padding:36px 0;text-align:center}
.page-top .en{font-size:13px;color:#1A6B4A;letter-spacing:2px}
.page-top .cn{font-size:26px;font-weight:600;color:#222;margin-top:6px}

/* ====== 浜у搧鍒嗙被鏍囩 ====== */
.cattabs{display:flex;gap:0;margin-bottom:40px;border-bottom:2px solid #EEE}
.cattabs span{padding:12px 28px;font-size:15px;color:#888;cursor:pointer;transition:all .2s;border-bottom:2px solid transparent;margin-bottom:-2px}
.cattabs span:hover{color:#1A6B4A}
.cattabs span.active{color:#1A6B4A;border-bottom-color:#1A6B4A;font-weight:600}

/* ====== 浜у搧鍗＄墖锛堟瀬绠€锛?====== */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.prod-card{background:#fff;border:1px solid #EEE;cursor:pointer;transition:all .3s}
.prod-card:hover{border-color:#1A6B4A;box-shadow:0 4px 16px rgba(0,180,180,0.08);transform:translateY(-2px)}
.prod-card .img-box{height:260px;background:#F8FAFB;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:24px}
.prod-card .img-box img{max-height:100%;max-width:100%;object-fit:contain}
.prod-card .info{padding:16px;text-align:center}
.prod-card .info h5{font-size:15px;font-weight:600;color:#222}
.prod-card .info .model{font-size:12px;color:#AAA;margin-top:4px}

/* ====== 浜у搧璇︽儏椤?====== */
.detail-wrap{display:flex;gap:40px;align-items:flex-start}
.detail-gal{flex:0 0 380px}
.detail-gal .main-img{width:100%;height:380px;background:#F8FAFB;display:flex;align-items:center;justify-content:center;overflow:hidden;margin-bottom:12px}
.detail-gal .main-img img{max-width:100%;max-height:100%;object-fit:contain}
.detail-gal .thumbs{display:flex;gap:8px}
.detail-gal .thumbs div{width:72px;height:72px;background:#F5F7F6;border:2px solid transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;overflow:hidden}
.detail-gal .thumbs div.active{border-color:#1A6B4A}
.detail-gal .thumbs div img{max-width:100%;max-height:100%;object-fit:contain}
.detail-info{flex:1;min-width:0}
.detail-info .tt{font-size:24px;font-weight:700;color:#222;margin-bottom:4px}
.detail-info .en{font-size:12px;color:#BBB;letter-spacing:2px;margin-bottom:20px}
.detail-info .desc{font-size:14px;color:#666;line-height:1.8;margin-bottom:28px}
.detail-info .params{display:grid;grid-template-columns:1fr 1fr;gap:4px 32px}
.detail-info .params p{padding:10px 0;border-bottom:1px solid #F0F0F0;font-size:13px;color:#555;display:flex;justify-content:center}
.detail-info .params p span:first-child{color:#AAA;margin-right:12px;white-space:nowrap}
.detail-back{display:inline-block;margin-top:28px;padding:8px 24px;border:1px solid #1A6B4A;color:#1A6B4A;font-size:13px;cursor:pointer;transition:all .2s}
.detail-back:hover{background:#1A6B4A;color:#fff}

/* ====== 鏂伴椈鍒楄〃 ====== */
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.news-col h4{font-size:16px;font-weight:600;color:#222;margin-bottom:20px;padding-bottom:12px;border-bottom:2px solid #1A6B4A;display:inline-block}
.news-item{display:flex;justify-content:center;align-items:baseline;padding:12px 0;border-bottom:1px solid #F0F0F0;transition:color .2s;cursor:pointer}
.news-item:hover{color:#1A6B4A}
.news-item .t{font-size:14px;flex:1;padding-right:16px}
.news-item .d{font-size:12px;color:#BBB;white-space:nowrap}

/* ====== 鍦烘櫙鍗＄墖 ====== */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene-card{padding:36px 24px;background:#fff;border:1px solid #EEE;transition:all .3s}
.scene-card:hover{border-color:#1A6B4A;transform:translateY(-2px)}
.scene-card h4{font-size:16px;font-weight:600;color:#222;margin-bottom:8px}
.scene-card p{font-size:13px;color:#999;line-height:1.6}

/* ====== 鏍稿績浼樺娍 ====== */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.adv-item{padding:32px 20px;background:#fff;border:1px solid #EEE;text-align:center;transition:all .3s}
.adv-item:hover{border-color:#1A6B4A;transform:translateY(-2px)}
.adv-item .num{font-size:36px;font-weight:700;color:#1A6B4A}
.adv-item .lbl{font-size:14px;color:#888;margin-top:6px}

/* ====== 鍏充簬鎴戜滑 ====== */
.about-grid{display:flex;gap:50px;align-items:flex-start}
.about-text{flex:1;font-size:14px;color:#666;line-height:2.1}
.about-text p{margin-bottom:18px}
.about-certs{flex:0 0 340px;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.cert-item{background:#F8FAFB;padding:16px 12px;text-align:center;border:1px solid #E8ECEB;transition:all .3s;cursor:pointer;font-size:13px;color:#555;line-height:1.5}
.cert-item:hover{border-color:#1A6B4A;box-shadow:0 2px 8px rgba(0,180,180,0.06)}
.cert-item .ct{font-size:11px;color:#1A6B4A;margin-top:2px}

/* ====== 鑱旂郴鎴戜滑 ====== */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.contact-card{padding:32px 24px;background:#fff;border:1px solid #EEE;text-align:center}
.contact-card h4{font-size:16px;font-weight:600;color:#222;margin-bottom:10px}
.contact-card .val{font-size:20px;font-weight:700;color:#1A6B4A;margin-bottom:4px}
.contact-card small{font-size:12px;color:#999}

/* ====== 搴曢儴 ====== */
.footer{background:#111;color:rgba(255,255,255,0.55);padding:48px 5% 24px}
.footer-inner{max-width:1160px;margin:0 auto;display:flex;justify-content:center;flex-wrap:wrap;gap:40px}
.footer-inner h5{color:#fff;font-size:14px;font-weight:500;margin-bottom:14px}
.footer-inner p,.footer-inner a{font-size:12px;line-height:2;color:rgba(255,255,255,0.45);display:block}
.footer-inner a:hover{color:#1A6B4A}
.footer-inner .qr{width:100px;height:100px;background:#222;display:flex;align-items:center;justify-content:center;color:#555;font-size:11px;margin-bottom:8px}
.footer-bot{border-top:1px solid rgba(255,255,255,0.06);margin-top:32px;padding-top:20px;text-align:center;font-size:11px;color:rgba(255,255,255,0.3);max-width:1160px;margin-left:auto;margin-right:auto}

/* ====== 鍝嶅簲寮?====== */
@media(max-width:768px){
.navbar{padding:0 16px}.nav-menu{display:none}
.banner-content h1{font-size:28px}.banner-content h1 em{font-size:32px}
.banner-stats{display:none}
.stats-row{gap:30px 40px}
.biz-grid,.prod-grid,.scene-grid,.adv-grid,.news-grid,.contact-grid{grid-template-columns:1fr}
.about-grid{flex-direction:column}
.detail-wrap{flex-direction:column}.detail-gal{flex:auto}
.flow-row{flex-wrap:wrap}.flow-item{flex:0 0 45%}
}
/* 后台入口 */
.admin-entry{position:fixed;bottom:20px;right:20px;z-index:999;width:40px;height:40px;border-radius:50%;background:rgba(0,0,0,0.15);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.3s;font-size:18px;color:rgba(0,0,0,0.3)}
.admin-entry:hover{background:rgba(0,0,0,0.25);color:rgba(0,0,0,0.6);transform:scale(1.1)}
/* 密码弹窗 */
.pwd-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.6);z-index:10000;display:none;align-items:center;justify-content:center}
.pwd-overlay.open{display:flex}
.pwd-box{background:#fff;border-radius:8px;padding:32px;text-align:center;box-shadow:0 8px 32px rgba(0,0,0,0.2);width:320px}
.pwd-box h4{font-size:18px;margin-bottom:8px;color:#222}
.pwd-box p{font-size:12px;color:#999;margin-bottom:18px}
.pwd-box input{width:100%;padding:10px;border:1px solid #DDD;border-radius:4px;font-size:16px;text-align:center;letter-spacing:4px;outline:none}
.pwd-box input:focus{border-color:#1A6B4A}
.pwd-box .btn{margin-top:14px;width:100%}
.pwd-err{color:#E74C3C;font-size:12px;margin-top:8px;display:none}

/* 新闻卡片 */
.news-card{display:flex;gap:16px;background:#fff;border:1px solid #EEE;padding:16px;transition:all .3s;cursor:pointer;align-items:flex-start}
.news-card:hover{border-color:#1A6B4A;box-shadow:0 4px 16px rgba(0,180,180,0.06)}
.news-card .news-img{flex-shrink:0;width:120px;height:90px;background:#F5F7F6;overflow:hidden;border-radius:4px}
.news-card .news-img img{width:100%;height:100%;object-fit:cover}
.news-card .news-body{flex:1;min-width:0}
.news-card .news-title{font-size:15px;font-weight:600;color:#222;margin-bottom:6px;line-height:1.4}
.news-card .news-summary{font-size:13px;color:#888;line-height:1.6;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card .news-date{font-size:11px;color:#BBB}

/* ====== 移动端&中屏导航修复 20260829 ====== */
@media(max-width:1280px){.nav-menu{gap:36px}.nav-tel-box{margin-left:60px}.nav-logo{margin-right:30px}}
@media(max-width:768px){.navbar{padding:0 12px;height:64px}.nav-menu{display:none}.nav-logo{margin-right:0;gap:6px}.nav-logo .logo-icon{width:26px;height:26px}.nav-logo .logo-text{font-size:20px}.nav-logo .logo-sub{display:none}.nav-tel-box{margin-left:auto;gap:6px}.nav-tel-text .nav-tel-label{font-size:10px}.nav-tel-text .nav-tel-num{font-size:15px}.banner{margin-top:64px}}