*{margin:0;padding:0;box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:70px;}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Helvetica,Arial,"Source Han Sans SC",sans-serif;background:#f5fbf7;color:#333;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.7;}
a{text-decoration:none;color:#333;}
li{list-style:none;}
img{max-width:100%;}
.container{width:1200px;max-width:94%;margin:0 auto;}

/* 顶部热线 */
.top{background:linear-gradient(90deg,#1f6f4b 0%,#217893 100%);color:#fff;padding:8px 0;font-size:14px;}
.top .container{display:flex;justify-content:space-between;align-items:center;}
.top-tel{color:#fff;font-weight:bold;letter-spacing:.5px;}
.top-tel:hover{color:#ffe9c4;}

/* 导航栏 */
.nav{background:#fff;box-shadow:0 2px 12px rgba(31,111,75,.08);}
.nav .container{display:flex;justify-content:space-between;align-items:center;height:72px;}
.company-logo{display:flex;align-items:center;gap:14px;height:56px;}
.company-logo img{height:56px;width:auto;object-fit:contain;display:block;}
.company-logo-text{display:flex;flex-direction:column;justify-content:center;line-height:1.2;}
.company-logo-text .name{font-size:18px;font-weight:bold;color:#1f6f4b;}
.company-logo-text .brand{font-size:13px;color:#217893;margin-top:4px;}
.nav-list{display:flex;}
.nav-list li{margin:0 22px;}
.nav-list li a{font-size:16px;color:#333;font-weight:500;transition:.3s;}
.nav-list li a:hover,.nav-list li a.active{color:#1f6f4b;}

/* 轮播Banner */
.banner{width:100%;min-height:480px;display:flex;align-items:center;background:linear-gradient(135deg,#16573c 0%,#1f6f4b 45%,#217893 100%);overflow:hidden;position:relative;}
.banner::before{content:"";position:absolute;left:-140px;bottom:-160px;width:420px;height:420px;border-radius:50%;background:rgba(255,255,255,.07);z-index:0;}
.banner::after{content:"";position:absolute;left:34%;top:-130px;width:280px;height:280px;border-radius:50%;background:rgba(255,255,255,.05);z-index:0;}
.banner-watermark{position:absolute;z-index:1;top:50%;right:24px;transform:translateY(-50%);width:600px;height:600px;pointer-events:none;}
.banner-watermark img{width:100%;height:100%;object-fit:contain;filter:brightness(0) invert(1);opacity:.08;}
.banner-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px;padding:64px 0;}
.banner-text{flex:1;min-width:0;color:#fff;}
.banner-text h1{font-size:clamp(28px,4.2vw,46px);margin-bottom:18px;letter-spacing:2px;font-weight:800;text-shadow:0 2px 12px rgba(0,0,0,.15);}
.banner-text h1 .m-br{display:none;}
.banner-text p{font-size:clamp(15px,1.6vw,19px);line-height:2;opacity:.95;letter-spacing:1px;}
.banner-btn{display:inline-block;margin-top:32px;padding:15px 42px;background:#fff;color:#1f6f4b;border-radius:30px;font-size:16px;font-weight:bold;letter-spacing:2px;box-shadow:0 8px 24px rgba(0,0,0,.15);transition:.3s;}
.banner-btn:hover{background:#e8f5ee;color:#217893;transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,0,0,.2);}

/* Banner 白色圆形 LOGO 徽章 */
.banner-logo{position:relative;flex:none;width:360px;height:360px;border-radius:50%;background:rgba(255,255,255,.97);box-shadow:0 24px 60px rgba(0,0,0,.22);display:flex;align-items:center;justify-content:center;gap:8px;padding:50px;}
.banner-logo img{width:45%;height:auto;object-fit:contain;display:block;}
.banner-logo::before{content:"";position:absolute;inset:-13px;border-radius:50%;border:1.5px dashed rgba(255,255,255,.45);animation:bannerRing 36s linear infinite;}
.banner-logo::after{content:"";position:absolute;inset:-28px;border-radius:50%;border:1px solid rgba(255,255,255,.18);}
@keyframes bannerRing{to{transform:rotate(360deg);}}

/* 通用标题 */
.title{text-align:center;padding:64px 0 42px;}
.title h2{font-size:clamp(24px,2.6vw,30px);color:#1f6f4b;margin-bottom:10px;position:relative;display:inline-block;letter-spacing:2px;font-weight:800;}
.title h2::after{content:"";position:absolute;left:50%;bottom:-10px;transform:translateX(-50%);width:54px;height:3px;background:linear-gradient(90deg,#1f6f4b,#217893);border-radius:2px;}
.title p{color:#777;margin-top:18px;font-size:15px;letter-spacing:.5px;}

/* 关于我们 */
.about{background:#fff;padding-bottom:64px;}
.about-box{display:flex;justify-content:space-between;align-items:center;gap:46px;}
.about-img{width:46%;min-height:420px;height:auto;aspect-ratio:1/1;background:#fff;border-radius:14px;box-shadow:0 12px 36px rgba(31,111,75,.14);display:flex;align-items:center;justify-content:center;padding:24px;}
.about-img img{max-width:88%;max-height:88%;object-fit:contain;display:block;}
.about-text{width:54%;line-height:2.05;}
.about-text h3{font-size:21px;margin-bottom:18px;color:#1f6f4b;letter-spacing:1px;}
.about-text p{font-size:15px;color:#555;margin-bottom:14px;text-align:justify;}

/* 产品展示（首页系列卡片） */
.product{padding-bottom:70px;}
.product-list{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.product-item{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 6px 20px rgba(31,111,75,.08);transition:.3s;cursor:pointer;display:block;}
.product-item:hover{transform:translateY(-6px);box-shadow:0 12px 30px rgba(31,111,75,.16);}
.pro-img{width:100%;height:210px;background:#0c0e0d;display:flex;align-items:center;justify-content:center;overflow:hidden;}
.pro-img img{width:100%;height:100%;object-fit:contain;display:block;transition:transform .4s;}
.product-item:hover .pro-img img{transform:scale(1.05);}
.pro-text{padding:16px 18px 18px;text-align:center;}
.pro-text h4{font-size:17px;margin-bottom:6px;color:#1f6f4b;}
.pro-text p{font-size:13px;color:#888;margin-bottom:10px;line-height:1.6;min-height:40px;}
.pro-more{display:inline-block;font-size:13px;color:#217893;font-weight:bold;letter-spacing:.5px;}
.product-item:hover .pro-more{color:#1f6f4b;}
.pro-more::after{content:" →";transition:margin .3s;}
.product-item:hover .pro-more::after{margin-left:4px;}

/* ========== 系列型号列表页 ========== */
.page-head{background:linear-gradient(135deg,#1f6f4b 0%,#217893 100%);color:#fff;padding:46px 0 40px;}
.page-head h1{font-size:30px;margin-bottom:8px;}
.page-head p{opacity:.92;font-size:15px;}
.breadcrumb{font-size:13px;opacity:.85;margin-bottom:14px;}
.breadcrumb a{color:#cdeede;}
.breadcrumb a:hover{color:#fff;}

.series-section{padding:46px 0 10px;}
.series-section + .series-section{border-top:1px dashed #cfe7d8;}
.series-head{display:flex;align-items:baseline;gap:14px;margin-bottom:8px;}
.series-head h2{font-size:23px;color:#1f6f4b;}
.series-head .en{font-size:13px;color:#217893;letter-spacing:1.5px;}
.series-head .line{flex:1;height:1px;background:linear-gradient(90deg,#cfe7d8,transparent);}
.series-desc{color:#666;font-size:14px;line-height:1.8;margin-bottom:22px;max-width:820px;}
.model-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.model-card{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 4px 16px rgba(31,111,75,.07);transition:.3s;display:block;border:1px solid #edf6f0;}
.model-card:hover{transform:translateY(-5px);box-shadow:0 12px 26px rgba(31,111,75,.15);border-color:#9fd4b6;}
.model-img{height:180px;background:#0c0e0d;display:flex;align-items:center;justify-content:center;overflow:hidden;}
.model-img img{width:100%;height:100%;object-fit:contain;transition:transform .4s;}
.model-card:hover .model-img img{transform:scale(1.06);}
.model-info{padding:13px 14px 15px;text-align:center;}
.model-info h4{font-size:15px;color:#1f6f4b;margin-bottom:6px;}
.model-info .m-cap{font-size:14px;color:#e07b1a;font-weight:bold;}
.model-info .m-pack{font-size:12px;color:#999;margin-top:4px;}
.model-info .m-go{display:inline-block;margin-top:8px;font-size:12px;color:#217893;font-weight:bold;}
.model-card:hover .m-go{color:#1f6f4b;}

/* ========== 型号详情页 ========== */
.detail{padding:36px 0 60px;}
.detail-wrap{display:flex;gap:34px;background:#fff;border-radius:14px;box-shadow:0 8px 30px rgba(31,111,75,.09);padding:30px;}
.detail-gallery{width:46%;flex:none;}
.detail-stage{background:#0c0e0d;border-radius:12px;height:420px;display:flex;align-items:center;justify-content:center;overflow:hidden;}
.detail-stage img{max-width:100%;max-height:100%;object-fit:contain;}
.detail-thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap;}
.detail-thumb{width:74px;height:74px;border-radius:8px;overflow:hidden;border:2px solid transparent;cursor:pointer;background:#0c0e0d;padding:0;}
.detail-thumb.active{border-color:#37b06b;}
.detail-thumb img{width:100%;height:100%;object-fit:contain;}
.detail-info{flex:1;min-width:0;}
.detail-info h1{font-size:26px;color:#1f6f4b;margin-bottom:6px;}
.detail-info .d-en{font-size:13px;color:#217893;letter-spacing:1.5px;margin-bottom:14px;}
.detail-desc{font-size:14px;color:#555;line-height:1.9;margin-bottom:18px;}
.param-table{width:100%;border-collapse:collapse;margin-bottom:16px;font-size:14px;}
.param-table th,.param-table td{border:1px solid #e0efe6;padding:10px 14px;text-align:left;}
.param-table th{width:120px;background:#f1f9f4;color:#1f6f4b;font-weight:bold;white-space:nowrap;}
.param-table td{color:#444;}
.param-table tr:hover td{background:#f8fdfa;}
.detail-note{font-size:12px;color:#999;margin:6px 0 16px;}
.detail-feats{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px;}
.detail-feats li{background:#eef7f1;border:1px solid #d5ebdd;color:#1f6f4b;font-size:13px;padding:5px 12px;border-radius:16px;}
.pager{display:flex;justify-content:space-between;gap:14px;margin-top:26px;}
.pager a{flex:1;text-align:center;padding:13px 10px;border-radius:8px;border:1px solid #cfe7d8;color:#1f6f4b;font-size:14px;font-weight:bold;transition:.3s;background:#f6fcf8;}
.pager a:hover{background:#1f6f4b;color:#fff;}
.pager a.disabled{visibility:hidden;}
.back-link{display:inline-block;margin-bottom:16px;font-size:14px;color:#217893;font-weight:bold;}
.back-link:hover{color:#1f6f4b;}

/* 企业优势 */
.advantage{background:#fff;padding-bottom:70px;}
.adv-list{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.adv-item{text-align:center;padding:34px 22px;border-radius:10px;border:1px solid #e3f3ea;background:linear-gradient(180deg,#fff 0%,#f5fbf7 100%);transition:.3s;}
.adv-item:hover{border-color:#217893;transform:translateY(-4px);}
.adv-icon{width:64px;height:64px;margin:0 auto 18px;border-radius:50%;background:linear-gradient(135deg,#1f6f4b,#217893);display:flex;align-items:center;justify-content:center;color:#fff;font-size:28px;}
.adv-item h4{font-size:18px;color:#1f6f4b;margin-bottom:12px;}
.adv-item p{font-size:14px;color:#666;line-height:1.8;}

/* 资质证书板块 */
.certificate{background:#f5fbf7;padding-bottom:70px;}
.cert-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px;align-items:stretch;}
.cert-card{background:#fff;border:1px solid #e6f3eb;border-radius:12px;overflow:hidden;box-shadow:0 10px 28px rgba(31,111,75,.1);display:flex;flex-direction:column;transition:.3s;}
.cert-card:hover{transform:translateY(-4px);box-shadow:0 16px 38px rgba(31,111,75,.18);border-color:#9fd4b6;}
.cert-card-img{width:100%;height:auto;display:block;background:#fff;border-bottom:1px solid #eef3f0;}
.cert-card-info{padding:18px 24px 22px;}
.cert-card-info h3{font-size:19px;color:#1f6f4b;margin-bottom:10px;text-align:center;}
.cert-card-info p{font-size:14px;line-height:1.9;color:#555;margin:3px 0;}
.cert-card-info p span{font-weight:bold;color:#217893;}

/* 联系我们 */
.contact{padding-bottom:70px;background:#fff;}
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:26px;}
.contact-person{background:linear-gradient(180deg,#fff 0%,#f3faf6 100%);border:1px solid #dcefe4;border-radius:14px;padding:28px 24px;display:flex;flex-direction:column;align-items:center;text-align:center;box-shadow:0 8px 24px rgba(31,111,75,.08);transition:.3s;}
.contact-person:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(31,111,75,.16);border-color:#9fd4b6;}
.cp-avatar{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,#1f6f4b,#217893);color:#fff;font-size:26px;font-weight:bold;display:flex;align-items:center;justify-content:center;margin-bottom:14px;box-shadow:0 6px 16px rgba(31,111,75,.25);}
.cp-meta{margin-bottom:16px;}
.cp-meta h4{font-size:19px;color:#1f6f4b;margin-bottom:2px;letter-spacing:1px;}
.cp-meta p{font-size:13px;color:#8a9a90;margin:0;}
.cp-call{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:12px 16px;border-radius:30px;background:#1f6f4b;color:#fff;font-size:17px;font-weight:bold;letter-spacing:1px;transition:.25s;box-shadow:0 6px 16px rgba(31,111,75,.22);}
.cp-call:hover,.cp-call:active{background:#217893;color:#fff;}
.cp-ico{font-size:16px;line-height:1;}
.cp-phone{font-variant-numeric:tabular-nums;}
.contact-box{background:#f9fffb;padding:40px 44px;border-radius:10px;box-shadow:0 10px 30px rgba(31,111,75,.1);}
.contact-box p{font-size:16px;line-height:2.4;margin:10px 0;}
.contact-box span{color:#1f6f4b;font-weight:bold;width:120px;display:inline-block;}

/* 底部 */
.footer{background:linear-gradient(180deg,#1f6f4b 0%,#217893 100%);color:#fff;padding:40px 0;text-align:center;font-size:14px;line-height:2;}
.footer-logo{display:flex;justify-content:center;margin-bottom:16px;}
.footer-logo img{height:48px;width:auto;object-fit:contain;filter:brightness(1.15);}

/* ========== 手机端汉堡按钮（桌面隐藏） ========== */
.nav-burger{display:none;width:42px;height:42px;border:none;background:transparent;cursor:pointer;padding:9px;flex-direction:column;justify-content:space-between;}
.nav-burger span{display:block;height:3px;width:100%;background:#1f6f4b;border-radius:2px;transition:.3s;}
.nav-burger.is-open span:nth-child(1){transform:translateY(9px) rotate(45deg);}
.nav-burger.is-open span:nth-child(2){opacity:0;}
.nav-burger.is-open span:nth-child(3){transform:translateY(-9px) rotate(-45deg);}

/* ========== 右侧竖向产品系列导航 ========== */
.series-rail{position:fixed;right:14px;top:50%;transform:translateY(-50%);z-index:60;display:flex;flex-direction:column;gap:3px;background:rgba(255,255,255,.92);backdrop-filter:blur(6px);border:1px solid #dcefe4;border-radius:30px;padding:10px 8px;box-shadow:0 6px 22px rgba(31,111,75,.14);max-height:86vh;overflow-y:auto;}
.series-rail::-webkit-scrollbar{width:0;}
.rail-item{display:flex;align-items:center;gap:7px;padding:5px 10px;border-radius:20px;font-size:12.5px;color:#555;white-space:nowrap;transition:.25s;position:relative;}
.rail-index{font-size:10px;color:#a9cbbb;width:22px;text-align:right;}
.rail-dot{width:7px;height:7px;border-radius:50%;background:#c7e2d2;flex:none;transition:.25s;}
.rail-label{max-width:0;overflow:hidden;opacity:0;transition:.25s;font-size:12.5px;}
.series-rail:hover .rail-label,.rail-item.active .rail-label{max-width:110px;opacity:1;}
.rail-item:hover{background:#eef7f1;color:#1f6f4b;}
.rail-item.active{background:linear-gradient(90deg,#1f6f4b,#2a8a63);color:#fff;box-shadow:0 4px 12px rgba(31,111,75,.3);}
.rail-item.active .rail-index{color:rgba(255,255,255,.75);}
.rail-item.active .rail-dot{background:#fff;transform:scale(1.25);}

/* ========== 首页右侧版块导航（全端常驻，当前版块高光放大） ========== */
.section-rail{position:fixed;right:14px;top:50%;transform:translateY(-50%);z-index:60;display:flex;flex-direction:column;gap:5px;background:rgba(255,255,255,.92);backdrop-filter:blur(6px);border:1px solid #dcefe4;border-radius:30px;padding:10px 8px;box-shadow:0 6px 22px rgba(31,111,75,.16);}
.sec-item{display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:20px;font-size:13px;color:#46604f;white-space:nowrap;transition:transform .25s,background .25s,color .25s;}
.sec-dot{width:9px;height:9px;border-radius:50%;background:#c2dfcf;flex:none;transition:.25s;}
.sec-label{max-width:0;overflow:hidden;opacity:0;transition:max-width .25s,opacity .25s;}
.sec-item:hover{background:#eef7f1;color:#1f6f4b;}
.sec-item:hover .sec-label{max-width:96px;opacity:1;}
.sec-item.active{background:linear-gradient(90deg,#1f6f4b,#2a8a63);color:#fff;box-shadow:0 5px 14px rgba(31,111,75,.38);transform:scale(1.08);}
.sec-item.active .sec-label{max-width:96px;opacity:1;font-weight:bold;}
.sec-item.active .sec-dot{background:#fff;transform:scale(1.35);box-shadow:0 0 0 4px rgba(255,255,255,.28);}

/* ========== 返回顶部 ========== */
.back-top{position:fixed;right:22px;bottom:34px;z-index:60;width:48px;height:48px;border-radius:50%;border:none;background:linear-gradient(135deg,#1f6f4b,#217893);color:#fff;font-size:22px;cursor:pointer;box-shadow:0 8px 22px rgba(31,111,75,.35);opacity:0;visibility:hidden;transform:translateY(16px);transition:.3s;line-height:1;}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{transform:translateY(-3px);}

/* 手机端一键拨号浮动按钮（桌面端隐藏） */
.float-call{display:none;position:fixed;right:16px;bottom:80px;z-index:59;width:58px;height:58px;border-radius:50%;background:linear-gradient(135deg,#e8801f,#f2a93b);color:#fff;flex-direction:column;align-items:center;justify-content:center;gap:1px;box-shadow:0 8px 22px rgba(224,123,26,.42);line-height:1;}
.float-call:active{transform:scale(.94);}
.float-call .fc-ico{font-size:19px;}
.float-call .fc-text{font-size:10px;font-weight:bold;letter-spacing:.5px;}

/* ========== 检测报告板块 ========== */
.report-block{margin-top:56px;}
.report-block-title{text-align:center;font-size:22px;color:#1f6f4b;letter-spacing:2px;margin-bottom:8px;}
.report-block-sub{text-align:center;color:#777;font-size:14px;margin-bottom:30px;}
.report-list{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.report-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 8px 26px rgba(31,111,75,.1);border:1px solid #e6f3eb;display:flex;flex-direction:column;}
.report-cover{position:relative;display:block;width:100%;padding:0;border:none;background:#f2f7f4;cursor:pointer;overflow:hidden;}
.report-cover img{width:100%;max-height:420px;object-fit:contain;object-position:top;display:block;transition:transform .4s;}
.report-cover:hover img{transform:scale(1.03);}
.report-zoom{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent,rgba(20,70,46,.82));color:#fff;font-size:13px;padding:26px 0 12px;letter-spacing:1px;opacity:0;transition:.3s;}
.report-cover:hover .report-zoom{opacity:1;}
.report-meta{padding:20px 24px 24px;}
.report-meta h4{font-size:18px;color:#1f6f4b;margin-bottom:12px;}
.report-meta p{font-size:14px;color:#555;line-height:2;margin:2px 0;}
.report-meta p span{color:#217893;font-weight:bold;}
.report-actions{display:flex;gap:12px;margin-top:16px;flex-wrap:wrap;}
.report-btn{display:inline-block;padding:10px 20px;border-radius:24px;font-size:14px;cursor:pointer;border:1px solid #1f6f4b;transition:.25s;text-align:center;}
.report-btn.primary{background:#1f6f4b;color:#fff;}
.report-btn.primary:hover{background:#175a3d;}
.report-btn.ghost{background:#fff;color:#1f6f4b;}
.report-btn.ghost:hover{background:#eef7f1;}

/* 报告灯箱 */
.report-modal{position:fixed;inset:0;z-index:200;background:rgba(12,30,22,.82);display:none;align-items:center;justify-content:center;padding:24px;}
.report-modal.open{display:flex;}
.report-modal-inner{background:#fff;border-radius:12px;max-width:880px;width:100%;max-height:94vh;display:flex;flex-direction:column;overflow:hidden;}
.report-modal-head{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;background:#1f6f4b;color:#fff;font-size:15px;font-weight:bold;letter-spacing:.5px;}
#reportModalClose{background:transparent;border:none;color:#fff;font-size:18px;cursor:pointer;width:34px;height:34px;border-radius:50%;}
#reportModalClose:hover{background:rgba(255,255,255,.18);}
.report-modal-body{flex:1;overflow:auto;display:flex;align-items:center;justify-content:center;gap:12px;padding:16px;background:#f2f4f3;}
.report-modal-body img{max-width:calc(100% - 110px);max-height:72vh;object-fit:contain;box-shadow:0 6px 24px rgba(0,0,0,.18);}
.report-modal-body button{flex:none;width:46px;height:64px;border:none;border-radius:10px;background:#1f6f4b;color:#fff;font-size:30px;cursor:pointer;line-height:1;}
.report-modal-body button:disabled{background:#b9cfc4;cursor:not-allowed;}
.report-modal-foot{padding:12px;text-align:center;color:#666;font-size:14px;background:#fff;border-top:1px solid #eef3f0;}

/* ========== 响应式适配 ========== */
@media (max-width:1280px){
    .series-rail{right:8px;padding:8px 6px;}
}
@media (max-width:1024px){
    .container{width:94%;}
    .product-list,.adv-list,.model-grid{grid-template-columns:repeat(2,1fr);}
    .report-list{grid-template-columns:1fr;}
    .cert-grid{grid-template-columns:1fr;gap:22px;}
    .detail-wrap{flex-direction:column;}
    .detail-gallery{width:100%;}
    .series-rail{display:none;}
}
@media (max-width:768px){
    body{font-size:15px;padding-top:60px;}
    .top{display:none;}
    .nav{position:fixed;top:0;left:0;width:100%;z-index:90;}
    .nav .container{height:60px;position:relative;}
    .company-logo{height:44px;gap:8px;}
    .company-logo img{height:44px;}
    .company-logo-text .name{font-size:15px;letter-spacing:0;}
    .company-logo-text .brand{font-size:11px;margin-top:2px;}
    .nav-burger{display:flex;}
    .nav-list{display:none;position:absolute;top:60px;left:0;right:0;background:#fff;flex-direction:column;box-shadow:0 14px 24px rgba(0,0,0,.1);border-top:1px solid #e6f3eb;z-index:100;padding:6px 0;}
    .nav-list.open{display:flex;}
    .nav-list li{margin:0;}
    .nav-list li a{display:block;padding:14px 24px;font-size:16px;border-bottom:1px solid #f1f8f4;}
    .nav-list li a:active{background:#f1f9f4;}

    .banner{min-height:auto;}
    .banner-inner{flex-direction:column;text-align:center;gap:24px;padding:42px 0 46px;}
    .banner-logo{order:-1;width:204px;height:204px;padding:28px;gap:6px;}
    .banner-logo img{width:45%;}
    .banner-logo::before{inset:-9px;}
    .banner-logo::after{inset:-18px;}
    .banner-watermark{width:250px;height:250px;left:50%;right:auto;top:140px;transform:translateX(-50%);}
    .banner-watermark img{opacity:.06;}
    .banner-text{text-align:center;}
    .banner-text h1{font-size:7.4vw;letter-spacing:1px;line-height:1.45;margin-bottom:10px;}
    .banner-text h1 .m-br{display:inline;}
    .banner-text p{line-height:1.8;letter-spacing:.5px;}
    .banner-btn{margin-top:22px;padding:14px 44px;font-size:15px;}

    .title{padding:44px 0 28px;}
    .about-box{flex-direction:column;gap:28px;}
    .about-img{width:100%;min-height:0;aspect-ratio:1/1;padding:18px;}
    .about-img img{max-width:82%;max-height:82%;}
    .about-text{width:100%;}
    .about-text p{text-align:left;}

    .product-list,.adv-list,.model-grid{grid-template-columns:repeat(2,1fr);gap:12px;}
    .pro-img{height:150px;}
    .pro-text{padding:12px 10px 14px;}
    .pro-text h4{font-size:15px;}
    .pro-text p{min-height:auto;font-size:12px;margin-bottom:6px;}
    .pro-more{font-size:12px;}
    .model-img{height:140px;}
    .model-info{padding:10px 8px 12px;}
    .model-info h4{font-size:14px;}
    .model-info .m-pack{font-size:11px;}
    .adv-item{padding:24px 14px;}
    .adv-icon{width:54px;height:54px;font-size:24px;margin-bottom:12px;}
    .adv-item h4{font-size:16px;}
    .adv-item p{font-size:13px;}

    .page-head{padding:34px 0 28px;}
    .page-head h1{font-size:24px;}
    .series-section{padding:32px 0 6px;}
    .series-head{flex-wrap:wrap;gap:8px;}
    .series-head h2{font-size:20px;}

    .detail{padding:22px 0 40px;}
    .detail-wrap{padding:16px;gap:18px;border-radius:10px;}
    .detail-stage{height:280px;}
    .detail-info h1{font-size:22px;}
    .param-table{font-size:13px;}
    .param-table th,.param-table td{padding:9px 10px;}
    .param-table th{width:96px;}
    .detail-thumb{width:60px;height:60px;}
    .pager{flex-direction:column;}
    .back-link{margin-bottom:10px;}

    .certificate{padding-bottom:48px;}
    .cert-card-info{padding:16px 18px 18px;}
    .cert-card-info h3{font-size:18px;}
    .cert-card-info p{font-size:13.5px;line-height:1.85;}
    .report-block{margin-top:40px;}
    .report-cover img{max-height:360px;}
    .report-meta{padding:16px 18px 20px;}
    .report-actions{flex-direction:column;padding-right:58px;}
    .report-btn{width:100%;}
    .report-modal{padding:10px;}
    .report-modal-body img{max-width:calc(100% - 84px);}
    .report-modal-body button{width:38px;height:54px;font-size:24px;}

    .contact{padding-bottom:48px;}
    .contact-cards{grid-template-columns:1fr;gap:12px;margin-bottom:16px;}
    .contact-person{flex-direction:row;text-align:left;padding:14px 16px;gap:12px;align-items:center;}
    .cp-avatar{width:50px;height:50px;font-size:21px;margin-bottom:0;flex:none;}
    .cp-meta{margin-bottom:0;flex:none;width:52px;}
    .cp-meta h4{font-size:16px;margin-bottom:0;}
    .cp-meta p{display:none;}
    .cp-call{width:auto;flex:1;padding:12px 10px;font-size:15px;letter-spacing:.5px;}
    .contact-box{padding:22px 18px;}
    .contact-box p{font-size:14px;line-height:2.1;}
    .contact-box span{display:block;width:auto;}
    .footer{padding:30px 16px calc(30px + env(safe-area-inset-bottom,0px));font-size:13px;}
    .float-call{display:flex;bottom:calc(76px + env(safe-area-inset-bottom,0px));}
    .back-top{right:16px;bottom:calc(20px + env(safe-area-inset-bottom,0px));width:44px;height:44px;font-size:20px;}
    /* 产品中心页面：手机端紧凑小标签（保留系列名文字） */
    .series-rail{
        right:5px;
        gap:3px;
        padding:6px 7px;
        border-radius:14px;
        max-height:70vh;
        overflow-y:auto;
        display:flex;
    }
    .series-rail::-webkit-scrollbar{width:0;}
    .rail-item{
        padding:3px 6px;
        gap:5px;
        justify-content:flex-start;
        border-radius:10px;
    }
    .rail-dot{
        width:6px;
        height:6px;
        flex:none;
    }
    .rail-item .rail-index{display:none !important;}
    .rail-item .rail-label{
        display:inline !important;
        font-size:10px;
        max-width:58px;
        opacity:1 !important;
        white-space:nowrap;
        overflow:hidden;
        line-height:1.3;
    }
    .rail-item.active{
        padding:3px 6px;
        gap:5px;
        border-radius:10px;
        transform:none;
    }
    .rail-item.active .rail-index{display:none !important;}
    .rail-item.active .rail-label{
        display:inline !important;
        font-size:10px;
        max-width:58px;
        opacity:1 !important;
        font-weight:bold;
    }
    /* 手机端双语排版适配 */
    .nav-list li a span{font-size:10px;line-height:1.2;}
    .company-logo-text .name span{font-size:9px;line-height:1.2;}
    .company-logo-text .brand span{font-size:9px;}
    .banner-text h1 span{font-size:15px !important;margin-top:8px;}
    .banner-text p span{font-size:12px;line-height:1.4;}
    .banner-btn span{font-size:11px;}
    .title h2 span{font-size:14px;line-height:1.3;}
    .title p span{font-size:12px;line-height:1.4;}
    .adv-item h4 span{font-size:11px;}
    .adv-item p span{font-size:11px;line-height:1.5;}
    .cert-card-info h3 span{font-size:12px;}
    .report-block-sub span{font-size:11px;}
    .cp-meta p span{font-size:10px;}
    .footer p span{font-size:11px;}
    .page-head h1 span{font-size:16px;}
    .page-head p span{font-size:12px;}
    /* 右侧版块导航：手机端紧凑小标签，比原来窄且不遮挡产品内容 */
    .section-rail{right:5px;gap:3px;padding:6px 7px;border-radius:14px;max-height:70vh;overflow-y:auto;}
    .section-rail::-webkit-scrollbar{width:0;}
    .sec-item{padding:3px 6px;gap:5px;justify-content:flex-start;border-radius:10px;}
    .sec-dot{width:6px;height:6px;flex:none;}
    .sec-item .sec-label{display:inline !important;font-size:10px;max-width:46px;opacity:1 !important;white-space:nowrap;overflow:hidden;line-height:1.3;}
    .sec-item.active{padding:3px 6px;gap:5px;border-radius:10px;transform:none;}
    .sec-item.active .sec-label{display:inline !important;font-size:10px;max-width:46px;opacity:1 !important;font-weight:bold;}
}
@media (max-width:380px){
    .product-list,.model-grid{gap:10px;}
    .pro-img{height:132px;}
    .model-img{height:124px;}
    .banner-text h1{font-size:6vw;letter-spacing:0;}
    .banner-logo{width:178px;height:178px;padding:24px;}
    .banner-watermark{top:132px;width:260px;height:260px;}
    .company-logo{height:40px;gap:6px;}
    .company-logo img{height:40px;}
    .company-logo-text .name{font-size:14px;}
    .company-logo-text .brand{display:none;}
    .cp-meta{width:46px;}
    .cp-meta h4{font-size:15px;}
    .cp-call{font-size:13.5px;padding:11px 8px;letter-spacing:0;}
}