:root{
  --green-900:#063c30;
  --green-800:#084d3d;
  --green-700:#0b6b4f;
  --green-600:#0e7a5f;
  --green-500:#149b78;
  --mint:#eef8f4;
  --mint-2:#dff1e9;
  --ink:#10231c;
  --muted:#5d726a;
  --line:#e1ece7;
  --amber:#f0a437;
  --white:#fff;
  --radius:16px;
  --shadow:0 12px 32px rgba(8,58,44,.09);
  --shadow-lg:0 24px 60px rgba(8,58,44,.14);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:#fff;line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul{margin:0}
ul{padding:0;list-style:none}
button{font-family:inherit}
.container{width:min(1200px,92%);margin:0 auto}
.section{padding:84px 0}
.section:nth-of-type(even){background:#fff}
.empty{color:var(--muted);text-align:center;padding:40px 0}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:.22s;white-space:nowrap}
.btn-primary{background:linear-gradient(120deg,var(--green-600),var(--green-500));color:#fff;box-shadow:0 10px 22px rgba(14,122,95,.24)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(14,122,95,.32)}
.btn-outline{border-color:rgba(255,255,255,.55);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.12)}
.btn-white{background:#fff;color:var(--green-700)}
.btn-white:hover{transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-line{border-color:var(--green-600);color:var(--green-700);background:#fff}
.btn-line:hover{background:var(--mint)}
.btn-block{width:100%}

/* header */
.topbar{background:var(--green-900);color:rgba(255,255,255,.78);font-size:13px}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;height:36px}
.topbar a{color:#fff}
.topbar-right{display:flex;align-items:center;gap:14px}
.topbar-split{width:1px;height:12px;background:rgba(255,255,255,.24)}
.header{position:sticky;top:0;z-index:90;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:.25s}
.header.small{box-shadow:0 6px 24px rgba(8,58,44,.08)}
.header-inner{display:flex;align-items:center;gap:26px;height:82px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo img{height:34px;width:auto;max-width:330px}
.logo-tag{font-size:12px;color:var(--green-600);border-left:1px solid var(--line);padding-left:12px;letter-spacing:.06em}
.nav{display:flex;align-items:center;gap:2px;margin-left:auto;flex-wrap:nowrap}
.nav a{position:relative;padding:10px 9px;font-size:14.5px;color:#26382f;border-radius:8px;white-space:nowrap}
.nav a:hover{color:var(--green-600)}
.nav a.on{color:var(--green-700);font-weight:600}
.nav a.on::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--green-500)}
.header-tel{display:flex;align-items:center;gap:9px;padding-left:18px;border-left:1px solid var(--line);flex-shrink:0}
.tel-icon{width:36px;height:36px;border-radius:50%;background:var(--mint);color:var(--green-600);display:grid;place-items:center;font-size:17px}
.header-tel small{display:block;font-size:11px;color:var(--muted);line-height:1.2}
.header-tel strong{font-size:19px;color:var(--green-800);letter-spacing:.02em}
.menu-btn{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:10px;flex-direction:column;align-items:center;justify-content:center;gap:5px;margin-left:auto}
.menu-btn span{display:block;width:20px;height:2px;background:var(--green-800);border-radius:2px}
.mobile-nav,.mobile-mask{display:none}

/* hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#052f26 0%,#0a5a45 48%,#0f8a6b 100%);color:#fff}
.hero-bg{position:absolute;inset:0;background:
  radial-gradient(60% 70% at 78% 40%,rgba(78,214,172,.28),transparent 70%),
  radial-gradient(40% 50% at 10% 85%,rgba(0,0,0,.25),transparent 70%);
  pointer-events:none}
.hero-bg::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.13) 1px,transparent 1px);background-size:26px 26px;opacity:.35}
.hero-inner{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:40px;align-items:center;padding:78px 0 96px}
.hero-eyebrow{display:inline-block;font-size:13px;letter-spacing:.12em;color:#bff0dd;border:1px solid rgba(191,240,221,.35);border-radius:999px;padding:6px 16px;margin-bottom:22px}
.hero h1{font-size:clamp(34px,4.4vw,58px);line-height:1.18;letter-spacing:.01em;font-weight:800}
.hero h1 em{font-style:normal;color:#8ef0c6;position:relative}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:10px;background:rgba(142,240,198,.22);z-index:-1}
.hero-sub{margin-top:22px;font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.82);max-width:540px}
.hero-sub strong{color:#a9f3d3}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:24px}
.hero-points li{position:relative;padding-left:20px;font-size:14.5px;color:rgba(255,255,255,.9)}
.hero-points li::before{content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:50%;background:#8ef0c6;box-shadow:0 0 0 4px rgba(142,240,198,.16)}
.hero-actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.hero-trust{display:flex;align-items:center;gap:14px;margin-top:30px;font-size:13.5px;color:rgba(255,255,255,.7)}
.hero-trust b{color:#fff;font-size:16px}
.hero-trust .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.4)}
.hero-visual{position:relative;display:flex;justify-content:center}
.hero-card{position:relative;z-index:2;width:min(420px,100%);background:linear-gradient(160deg,#fff,#eaf7f1);border-radius:26px;padding:24px;box-shadow:0 30px 70px rgba(0,0,0,.28)}
.hero-card>img{width:100%;height:360px;object-fit:contain;mix-blend-mode:multiply}
.hero-slider{position:relative;width:100%;height:360px;overflow:hidden}
.hero-slide{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .6s ease;pointer-events:none}
.hero-slide.on{opacity:1;pointer-events:auto}
.hero-slide>a{display:flex;align-items:center;justify-content:center;width:100%;height:100%}
.hero-slide img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}
.hero-dots{display:flex;gap:7px;justify-content:center;align-items:center;margin-top:10px}
.hero-dots button{width:8px;height:8px;border-radius:50%;border:0;background:#c9ded6;padding:0;cursor:pointer;transition:.2s}
.hero-dots button.on{background:var(--green-600);width:20px;border-radius:4px}
.float-chip{position:absolute;background:#fff;border-radius:14px;padding:12px 16px;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;line-height:1.2}
.float-chip b{font-size:22px;color:var(--green-700)}
.float-chip span{font-size:12px;color:var(--muted);margin-top:4px}
.chip-1{left:-26px;top:52px}
.chip-2{right:-22px;bottom:64px}
.hero-ring{position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.16);z-index:1}
.ring-1{width:470px;height:470px;top:50%;left:50%;transform:translate(-50%,-50%)}
.ring-2{width:610px;height:610px;top:50%;left:50%;transform:translate(-50%,-50%);border-color:rgba(255,255,255,.08)}

/* full banner mode */
.hero-banner{background:#052f26}
.hero-banner a{display:block}
.hero-banner img{width:100%;height:auto;max-height:650px;object-fit:cover;display:block}
@media(max-width:820px){.hero-banner img{width:100%;height:230px;object-fit:cover;object-position:center}}

/* stats */
.stats-bar{position:relative;z-index:3;margin-top:-48px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-radius:20px;box-shadow:var(--shadow-lg);padding:26px 10px;border:1px solid var(--line)}
.stat{text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat strong{display:block;font-size:30px;color:var(--green-700);letter-spacing:.01em}
.stat span{font-size:13px;color:var(--muted)}

/* section head */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:44px}
.section-head.center{display:block;text-align:center;max-width:720px;margin:0 auto 44px}
.kicker{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--green-500);margin-bottom:12px}
.kicker.light{color:#8ef0c6}
.section-head h2{font-size:clamp(26px,3vw,36px);letter-spacing:.01em;line-height:1.3}
.section-head p{margin-top:12px;color:var(--muted);font-size:15.5px;max-width:620px}
.link-more{color:var(--green-700);font-weight:600;font-size:14.5px;white-space:nowrap;padding-bottom:6px}
.link-more:hover{color:var(--green-500)}

/* products */
.products-section{background:linear-gradient(180deg,var(--mint) 0%,#fff 100%)}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.product-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.28s;display:flex;flex-direction:column}
.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--mint-2)}
.product-img{background:#f5faf8;padding:18px;height:250px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.product-img img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply;transition:transform .4s}
.product-card:hover .product-img img{transform:scale(1.04)}
.product-body{background:#fff;padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.product-cat{font-size:12px;color:var(--green-600);background:var(--mint);border-radius:999px;padding:3px 10px;align-self:flex-start;letter-spacing:.04em}
.product-card .product-cat{position:absolute;top:12px;left:12px;z-index:3;background:rgba(255,255,255,.9);color:var(--green-700);font-size:11.5px;line-height:1.5;padding:3px 10px;box-shadow:0 4px 12px rgba(8,58,44,.08);backdrop-filter:blur(4px);max-width:calc(100% - 24px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.product-body h3{font-size:19px;margin:12px 0 8px}
.product-body p{color:var(--muted);font-size:14px;line-height:1.75;flex:1}
.product-link{margin-top:16px;color:var(--green-700);font-size:14px;font-weight:600;display:flex;align-items:center;gap:6px}
.product-link i{font-style:normal;transition:.2s}
.product-card:hover .product-link i{transform:translateX(4px)}

/* compare */
.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.compare-card{position:relative;border:1px solid var(--line);border-radius:20px;padding:32px 28px;background:#fff;display:flex;flex-direction:column;transition:.25s}
.compare-card:hover{box-shadow:var(--shadow)}
.compare-card.featured{background:linear-gradient(165deg,#0a5a45,#0f8a6b);color:#fff;border-color:transparent;box-shadow:var(--shadow-lg)}
.compare-card h3{font-size:23px}
.compare-desc{margin:10px 0 18px;color:var(--muted);font-size:14px;min-height:44px}
.compare-card.featured .compare-desc{color:rgba(255,255,255,.8)}
.compare-card ul{display:grid;gap:10px;margin-bottom:26px;flex:1}
.compare-card li{position:relative;padding-left:22px;font-size:14.5px;color:#31453c}
.compare-card.featured li{color:rgba(255,255,255,.92)}
.compare-card li::before{content:"✓";position:absolute;left:0;color:var(--green-500);font-weight:700}
.compare-card.featured li::before{color:#8ef0c6}
.badge{position:absolute;top:-12px;right:22px;background:var(--amber);color:#fff;font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;letter-spacing:.08em}
.compare-card .btn{align-self:flex-start}
.compare-card.featured .btn-primary{background:#fff;color:var(--green-700);box-shadow:none}

/* principle */
.principle-section{background:linear-gradient(135deg,#073f33,#0a5a45 60%,#0d6f57);color:#fff;padding:84px 0}
.principle-inner{display:grid;grid-template-columns:.92fr 1.08fr;gap:56px;align-items:center}
.principle-text h2{font-size:clamp(26px,3vw,36px);line-height:1.35;margin-bottom:16px}
.principle-text p{color:rgba(255,255,255,.78);font-size:15.5px;margin-bottom:26px}
.steps{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.step{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:22px;backdrop-filter:blur(4px)}
.step b{display:block;font-size:13px;letter-spacing:.16em;color:#8ef0c6;margin-bottom:8px}
.step h3{font-size:17px;margin-bottom:6px}
.step p{font-size:13.5px;color:rgba(255,255,255,.72);line-height:1.7}

/* advantages */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.adv-card{border:1px solid var(--line);border-radius:18px;padding:28px;background:#fff;transition:.25s}
.adv-card:hover{border-color:var(--mint-2);box-shadow:var(--shadow);transform:translateY(-4px)}
.adv-ico{width:52px;height:52px;border-radius:14px;background:var(--mint);display:grid;place-items:center;font-size:24px;margin-bottom:16px}
.adv-card h3{font-size:18px;margin-bottom:8px}
.adv-card p{color:var(--muted);font-size:14px}

/* scenes */
.scene-section{background:var(--mint)}
.scene-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.scene{background:#fff;border-radius:16px;padding:26px 20px;text-align:center;border:1px solid rgba(14,122,95,.08);transition:.25s}
.scene:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.scene span{font-size:30px;display:block;margin-bottom:10px}
.scene h3{font-size:16px;margin-bottom:6px}
.scene p{font-size:13px;color:var(--muted);line-height:1.65}

/* cases */
.case-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.case-grid.wide{grid-template-columns:repeat(3,1fr)}
.case-card{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff;display:flex;flex-direction:column;transition:.25s}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.case-img{height:190px;background:#f3f8f6;overflow:hidden}
.case-img img{width:100%;height:100%;object-fit:cover;transition:.4s}
.case-card:hover .case-img img{transform:scale(1.05)}
.case-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.case-date{font-size:12px;color:var(--green-600)}
.case-body h3{font-size:16.5px;margin:8px 0 6px;line-height:1.5}
.case-body p{font-size:13.5px;color:var(--muted);flex:1}

/* news */
.news-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 40px}
.news-row{min-width:0}
.news-row{display:flex;align-items:center;gap:20px;padding:18px 6px;border-bottom:1px dashed var(--line);transition:.2s}
.news-row:hover{background:var(--mint)}
.news-date{flex-shrink:0;width:64px;text-align:center;color:var(--muted);font-size:11px;line-height:1.4;border-right:1px solid var(--line);padding-right:12px}
.news-date b{display:block;font-size:22px;color:var(--green-700);line-height:1.1}
.news-main{flex:1;min-width:0;overflow:hidden}
.news-main h3{font-size:15.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-main p{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:3px}
.news-arrow{color:var(--green-500);opacity:0;transition:.2s}
.news-row:hover .news-arrow{opacity:1;transform:translateX(3px)}

/* cta band */
.cta-band{background:linear-gradient(120deg,var(--green-700),var(--green-500));color:#fff;padding:52px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta-text h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:8px}
.cta-text p{color:rgba(255,255,255,.82);font-size:15px}
.cta-actions{display:flex;gap:12px;flex-shrink:0;flex-wrap:wrap}

/* footer */
.footer{background:#062f27;color:rgba(255,255,255,.7);padding:60px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr .9fr .9fr 1.2fr;gap:40px;padding-bottom:46px}
.footer-logo{height:38px;background:#fff;border-radius:8px;padding:6px 10px;margin-bottom:18px}
.footer-brand p{line-height:1.9;font-size:13.5px}
.footer-hotline{margin-top:18px;display:flex;flex-direction:column}
.footer-hotline small{font-size:12px;color:rgba(255,255,255,.5)}
.footer-hotline strong{font-size:26px;color:#fff;letter-spacing:.02em}
.footer-col h4,.footer-contact h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.footer-col a{display:block;padding:5px 0;font-size:13.5px}
.footer-col a:hover{color:#8ef0c6}
.footer-contact p{font-size:13.5px;margin-bottom:6px}
.footer-contact a{color:#fff}
.footer-qr{display:flex;align-items:center;gap:12px;margin-top:14px}
.footer-qr img{width:86px;height:86px;background:#fff;border-radius:8px;padding:4px}
.footer-qr span{font-size:12.5px;line-height:1.6}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;font-size:12.5px;color:rgba(255,255,255,.5)}
.footer-bottom-inner{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-bottom a{color:rgba(255,255,255,.6)}

/* float bar */
.float-bar{position:fixed;right:18px;bottom:26px;z-index:80;display:flex;flex-direction:column;gap:10px}
.float-bar a,.float-bar button{width:52px;height:52px;border-radius:14px;background:#fff;box-shadow:var(--shadow);display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:17px;color:var(--green-700);border:0;cursor:pointer;gap:1px}
.float-bar a span,.float-bar button span{font-size:10px}
.float-tel{background:linear-gradient(135deg,var(--green-600),var(--green-500))!important;color:#fff!important}
.float-top{opacity:0;pointer-events:none;transition:.2s}
.float-top.show{opacity:1;pointer-events:auto}

/* page hero */
.page-hero{background:linear-gradient(120deg,#063c30,#0a5a45 55%,#0f8a6b);color:#fff;padding:64px 0}
.page-hero.small{padding:46px 0}
.page-hero h1,.page-hero .page-title{font-size:clamp(28px,3.4vw,42px);letter-spacing:.01em;font-weight:700}
.page-hero p{margin-top:10px;color:rgba(255,255,255,.76);font-size:15px}
.crumb{margin-top:16px;font-size:13px;color:rgba(255,255,255,.62);display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.crumb a{color:rgba(255,255,255,.8)}
.crumb em{font-style:normal;color:#8ef0c6}

/* filter */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:34px}
.filter-bar a{padding:9px 20px;border-radius:999px;border:1px solid var(--line);font-size:14px;background:#fff}
.filter-bar a.on,.filter-bar a:hover{background:var(--green-600);color:#fff;border-color:var(--green-600)}

/* detail layout */
.detail-layout{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}
.detail-top{display:grid;grid-template-columns:1fr 1fr;gap:36px;margin-bottom:36px}
.detail-img{background:#f5faf8;border:1px solid var(--line);border-radius:18px;padding:24px;display:grid;place-items:center;min-height:360px}
.detail-img img{max-height:380px;object-fit:contain;mix-blend-mode:multiply}
.detail-info h1{font-size:clamp(24px,2.6vw,32px);line-height:1.35;margin:14px 0 8px}
.model{color:var(--muted);font-size:14px}
.detail-summary{color:#3b5147;font-size:15px;margin:14px 0 18px;line-height:1.8}
.detail-points{display:grid;grid-template-columns:1fr 1fr;gap:8px 16px;margin-bottom:26px}
.detail-points li{position:relative;padding-left:20px;font-size:14px;color:#2f453b}
.detail-points li::before{content:"✓";position:absolute;left:0;color:var(--green-500);font-weight:700}
.detail-actions{display:flex;gap:12px;flex-wrap:wrap}

.article-box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px 38px}
.article-title h2{font-size:20px;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:20px}
.article-head{border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:24px}
.article-head h1{font-size:clamp(22px,2.4vw,30px);line-height:1.45}
.article-meta{display:flex;gap:18px;color:var(--muted);font-size:13px;margin-top:12px}
.article-content{font-size:15.5px;line-height:1.95;color:#26382f;overflow:hidden}
.article-content p{margin:0 0 16px}
.article-content img{margin:18px auto;border-radius:12px;max-width:100%;height:auto}
.article-content h2,.article-content h3{margin:26px 0 12px;line-height:1.4}
.article-content h2{font-size:22px}
.article-content h3{font-size:18px}
.article-content ul,.article-content ol{margin:0 0 16px;padding-left:22px;list-style:disc}
.article-content table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px}
.article-content td,.article-content th{border:1px solid var(--line);padding:10px 12px}
.article-content a{color:var(--green-600);text-decoration:underline}
.article-nav{display:flex;flex-direction:column;gap:8px;margin-top:34px;padding-top:20px;border-top:1px dashed var(--line);font-size:14px;color:var(--green-700)}

/* side */
.detail-side{display:grid;gap:20px;position:sticky;top:100px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}
.side-card h3{font-size:17px;margin-bottom:14px;padding-left:10px;border-left:3px solid var(--green-500)}
.side-contact{background:linear-gradient(160deg,#0a5a45,#0e7a5f);color:#fff;border:0}
.side-contact h3{border-color:#8ef0c6}
.side-contact p{font-size:13.5px;color:rgba(255,255,255,.8);margin-bottom:6px}
.side-tel{font-size:24px!important;color:#fff!important;font-weight:700;margin:4px 0 10px!important}
.side-addr{line-height:1.6}
.side-contact .btn{margin-top:14px;background:#fff;color:var(--green-700);box-shadow:none}
.side-links{display:grid;gap:2px}
.side-links a{padding:8px 0;font-size:14px;border-bottom:1px dashed var(--line);color:#31453c;line-height:1.5}
.side-links a:last-child{border-bottom:0}
.side-links a:hover{color:var(--green-600)}
.side-products{display:grid;gap:12px}
.side-products a{display:flex;gap:12px;align-items:center;font-size:13.5px}
.side-products img{width:64px;height:64px;object-fit:contain;background:#f5faf8;border-radius:10px;padding:4px}

/* news list page */
.news-page-list{display:grid;gap:18px}
.news-block{display:flex;gap:24px;border:1px solid var(--line);border-radius:16px;padding:20px;background:#fff;transition:.25s}
.news-block:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.news-block-img{width:190px;height:130px;flex-shrink:0;background:#f5faf8;border-radius:12px;overflow:hidden}
.news-block-img img{width:100%;height:100%;object-fit:cover}
.news-block-body{flex:1;min-width:0}
.news-block-date{font-size:12.5px;color:var(--green-600)}
.news-block-body h2{font-size:19px;margin:6px 0 8px;line-height:1.5}
.news-block-body p{font-size:14px;color:var(--muted);line-height:1.75}
.pager{display:flex;gap:8px;justify-content:center;margin-top:34px}
.pager a{min-width:38px;height:38px;border-radius:9px;border:1px solid var(--line);display:grid;place-items:center;font-size:14px;padding:0 10px}
.pager a.on,.pager a:hover{background:var(--green-600);color:#fff;border-color:var(--green-600)}

.more-cases{margin-top:40px}
.more-cases h2{font-size:22px;margin-bottom:20px}

/* contact */
.contact-layout{display:grid;grid-template-columns:.95fr 1.05fr;gap:40px;align-items:start}
.contact-info h2,.contact-form-wrap h2{font-size:26px;margin-bottom:12px}
.contact-lead{color:var(--muted);font-size:14.5px;margin-bottom:24px;line-height:1.8}
.contact-rows{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}
.contact-row{display:flex;gap:20px;padding:16px 22px;border-bottom:1px solid var(--line);font-size:14.5px}
.contact-row:last-child{border-bottom:0}
.contact-row span{width:100px;flex-shrink:0;color:var(--muted)}
.contact-row strong{color:#22352c;font-weight:600}
.contact-qr{display:flex;align-items:center;gap:16px;margin-top:22px;background:var(--mint);border-radius:16px;padding:18px 22px}
.contact-qr img{width:96px;height:96px;background:#fff;border-radius:10px;padding:5px}
.contact-qr b{display:block;font-size:15px;margin-bottom:4px}
.contact-qr span{font-size:13px;color:var(--muted)}
.contact-form-wrap{background:#fff;border:1px solid var(--line);border-radius:18px;padding:32px}
.contact-form .form-row{margin-bottom:16px}
.contact-form label{display:block;font-size:13.5px;color:#3a4f45;margin-bottom:7px}
.contact-form label em{color:#e05656;font-style:normal}
.contact-form input,.contact-form textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-size:14.5px;font-family:inherit;background:#fbfdfc;outline:none;transition:.2s}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--green-500);background:#fff;box-shadow:0 0 0 3px rgba(20,155,120,.1)}
.alert{padding:12px 16px;border-radius:10px;font-size:14px;margin-bottom:18px}
.alert-success{background:#e8f8f1;color:#0b6b4f;border:1px solid #bfe9d8}
.alert-error{background:#fdeaea;color:#b23a3a;border:1px solid #f5cdcd}

/* notfound */
.notfound{text-align:center;padding:120px 0}
.notfound h1{font-size:92px;color:var(--green-600);line-height:1}
.notfound p{color:var(--muted);margin:12px 0 26px}

/* responsive */
@media (max-width:1400px){
  .header-tel{display:none}
  .logo-tag{display:none}
}
@media (max-width:1080px){
  .nav a{padding:9px 7px;font-size:14px}
  .product-grid,.adv-grid{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .detail-layout{grid-template-columns:1fr}
  .detail-side{position:static;grid-template-columns:repeat(2,1fr);display:grid}
}
@media (max-width:820px){
  .topbar-welcome{display:none}
  .topbar-inner{justify-content:center}
  .nav{display:none}
  .menu-btn{display:flex}
  .header-inner{height:68px;gap:10px}
  .logo{min-width:0;overflow:hidden}
  .logo img{height:32px;width:auto;max-width:210px;object-fit:contain;object-position:left center}
  .menu-btn{flex-shrink:0}
  .hero-inner{grid-template-columns:1fr;padding:52px 0 80px;gap:30px}
  .hero-visual{order:-1}
  .hero-card{width:min(330px,86%);padding:16px}
  .hero-card>img{height:250px}
  .hero-slider{height:250px}
  .float-chip{display:none}
  .hero h1{font-size:34px}
  .hero-sub{font-size:15px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:18px 0;padding:22px 8px}
  .stat:nth-child(2){border-right:0}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:30px}
  .section-head.center{text-align:left}
  .principle-inner{grid-template-columns:1fr;gap:30px}
  .compare-grid{grid-template-columns:1fr;gap:18px}
  .product-grid{grid-template-columns:1fr 1fr;gap:14px}
  .product-img{height:170px;padding:12px}
  .product-body{padding:16px}
  .product-body h3{font-size:16px}
  .product-body p{display:none}
  .adv-grid{grid-template-columns:1fr 1fr;gap:14px}
  .adv-card{padding:20px}
  .scene-grid{grid-template-columns:1fr 1fr}
  .case-grid,.case-grid.wide{grid-template-columns:1fr 1fr;gap:14px}
  .case-img{height:130px}
  .news-list{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom-inner{flex-direction:column;gap:6px}
  .detail-top{grid-template-columns:1fr;gap:22px}
  .detail-img{min-height:260px}
  .article-box{padding:22px}
  .detail-side{grid-template-columns:1fr}
  .news-block{flex-direction:column;gap:14px}
  .news-block-img{width:100%;height:170px}
  .contact-layout{grid-template-columns:1fr}
  .contact-form-wrap{padding:22px}
  .float-bar{right:12px;bottom:14px}
  .float-bar a,.float-bar button{width:46px;height:46px;font-size:15px}
}
@media (max-width:480px){
  .product-grid{grid-template-columns:1fr}
  .product-img{height:220px}
  .product-body p{display:block}
  .case-grid,.case-grid.wide{grid-template-columns:1fr}
  .hero-points{gap:8px 16px}
  .hero-actions .btn{flex:1}
}

/* mobile nav drawer */
.mobile-mask{position:fixed;inset:0;background:rgba(4,30,24,.5);z-index:98;opacity:0;pointer-events:none;transition:.25s;display:block}
.mobile-mask.open{opacity:1;pointer-events:auto}
.mobile-nav{position:fixed;top:0;right:0;bottom:0;width:min(310px,84%);background:#fff;z-index:99;transform:translateX(100%);transition:.3s;padding:18px 22px;overflow-y:auto;display:flex;flex-direction:column}
.mobile-nav.open{transform:translateX(0)}
.mobile-nav-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:8px}
.mobile-nav-head img{height:30px}
.mobile-nav-head button{border:0;background:var(--mint);width:34px;height:34px;border-radius:9px;font-size:15px;color:var(--green-700)}
.mobile-nav a{padding:13px 4px;border-bottom:1px dashed var(--line);font-size:15px}
.mobile-nav-tel{margin-top:16px;background:var(--green-600);color:#fff!important;border:0!important;border-radius:12px;text-align:center;font-weight:600}