/* ==========================================================================
   常州市沐思环保科技有限公司 — 官网主题样式
   配色: 深蓝 #0a2540  +  橙红 #e94e1b
   ========================================================================== */

:root {
    --primary:#0a2540; --primary-dark:#061a30; --primary-mid:#1a4670;
    --accent:#e94e1b; --accent-light:#f47c4e; --accent-soft:#fef0eb;
    --gray:#6c7a89; --gray-light:#b8c5d0; --steel:#7a8ca0;
    --light:#eef2f5; --light-bg:#f7f9fb; --white:#ffffff;
    --text:#2d3e50; --text-soft:#5a6c7d; --border:#e1e7ed; --green:#5ba84a;
    --shadow-sm:0 2px 6px rgba(10,37,64,.06);
    --shadow:0 4px 16px rgba(10,37,64,.08);
    --shadow-lg:0 12px 40px rgba(10,37,64,.12);
    --radius:4px; --transition:all .25s cubic-bezier(.4,0,.2,1);
}

/* Reset */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,BlinkMacSystemFont,sans-serif;font-size:15px;line-height:1.7;color:var(--text);background:var(--white);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
img,svg{max-width:100%;height:auto;display:block;vertical-align:middle}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--accent)}
h1,h2,h3,h4,h5,h6{margin:0 0 .8em;line-height:1.3;color:var(--primary);font-weight:700}
h1{font-size:36px}h2{font-size:28px}h3{font-size:22px}h4{font-size:18px}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.6em}
hr{border:0;border-top:1px solid var(--border);margin:2em 0}

/* Layout */
.container{max-width:1280px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-light{background:var(--light-bg)}
.section-dark{background:var(--primary);color:#cfd9e2}
.section-dark h1,.section-dark h2,.section-dark h3,.section-dark h4{color:var(--white)}

.section-title{text-align:center;margin-bottom:50px}
.section-title .label{display:inline-block;font-size:13px;color:var(--accent);letter-spacing:4px;font-weight:600;margin-bottom:12px;text-transform:uppercase}
.section-title h2{font-size:36px;margin:0 0 12px;position:relative;padding-bottom:18px}
.section-title h2::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:60px;height:3px;background:var(--accent)}
.section-title p{color:var(--text-soft);max-width:720px;margin:0 auto;font-size:15px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;font-size:14px;font-weight:600;border-radius:var(--radius);border:2px solid transparent;cursor:pointer;transition:var(--transition);text-align:center;line-height:1.4}
.btn-primary{background:var(--accent);color:var(--white);border-color:var(--accent)}
.btn-primary:hover{background:#d4451a;border-color:#d4451a;color:var(--white);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-outline{background:transparent;color:var(--white);border-color:var(--white)}
.btn-outline:hover{background:var(--white);color:var(--primary)}
.btn-dark{background:var(--primary);color:var(--white);border-color:var(--primary)}
.btn-dark:hover{background:var(--primary-dark);color:var(--white);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--border)}
.btn-ghost:hover{background:var(--primary);color:var(--white);border-color:var(--primary)}
.btn-sm{padding:8px 18px;font-size:13px}
.btn-lg{padding:16px 36px;font-size:16px}

/* Top Bar */
.top-bar{background:var(--primary-dark);color:var(--gray-light);font-size:13px;line-height:36px;border-bottom:1px solid rgba(255,255,255,.06)}
.top-bar .container{display:flex;justify-content:space-between;flex-wrap:wrap}
.top-bar-info span{margin-right:24px}
.top-bar-info i{color:var(--accent-light);margin-right:6px}
.top-bar-lang a{color:var(--gray-light);margin-left:16px}
.top-bar-lang a.active{color:var(--accent-light)}

/* Header */
.header{background:var(--white);box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:100;border-bottom:1px solid var(--border)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:80px}
.logo{display:flex;align-items:center;gap:12px}
.logo-icon{width:48px;height:48px;background:var(--primary);color:var(--white);display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:800;border-radius:8px;position:relative;flex-shrink:0}
.logo-icon::after{content:"";position:absolute;bottom:-2px;left:0;right:0;height:4px;background:var(--accent);border-radius:0 0 8px 8px}
.logo-text{line-height:1.2}
.logo-text strong{display:block;font-size:18px;color:var(--primary);font-weight:700}
.logo-text small{display:block;font-size:11px;color:var(--gray);letter-spacing:2px;margin-top:2px}

.main-nav{list-style:none;display:flex;margin:0;padding:0;gap:4px}
.main-nav>li{position:relative}
.main-nav>li>a{display:block;padding:0 18px;line-height:80px;font-size:15px;font-weight:500;color:var(--text);position:relative}
.main-nav>li>a::after{content:"";position:absolute;left:18px;right:18px;bottom:22px;height:3px;background:var(--accent);transform:scaleX(0);transition:transform .3s}
.main-nav>li:hover>a::after,.main-nav>li.active>a::after,.main-nav>li.current-menu-item>a::after{transform:scaleX(1)}
.main-nav>li:hover>a,.main-nav>li.active>a{color:var(--accent)}
.main-nav .nav-cta{background:var(--accent);color:var(--white)!important;margin-left:12px;line-height:40px;padding:0 24px;border-radius:var(--radius);align-self:center}
.main-nav .nav-cta:hover{background:#d4451a}
.main-nav .nav-cta::after{display:none}

.sub-menu{list-style:none;margin:0;padding:8px 0;position:absolute;top:100%;left:0;min-width:220px;background:var(--white);box-shadow:var(--shadow-lg);border-top:3px solid var(--accent);opacity:0;visibility:hidden;transform:translateY(8px);transition:var(--transition)}
.main-nav>li:hover>.sub-menu{opacity:1;visibility:visible;transform:translateY(0)}
.sub-menu li a{display:block;padding:10px 20px;font-size:14px;color:var(--text)}
.sub-menu li a:hover{background:var(--light-bg);color:var(--accent);padding-left:26px}
.mobile-toggle{display:none;background:var(--primary);color:var(--white);border:0;width:44px;height:44px;font-size:20px;cursor:pointer;border-radius:var(--radius)}

/* Hero */
.hero{position:relative;min-height:720px;display:flex;align-items:center;overflow:hidden;background:var(--primary)}
.hero-bg{position:absolute;inset:0;background:url('../images/banners/hero-home.svg') center/cover no-repeat;z-index:1}
.hero-content{position:relative;z-index:2;color:var(--white);width:100%;padding:80px 0}
.hero-label{display:inline-block;font-size:14px;color:var(--accent-light);letter-spacing:6px;font-weight:600;margin-bottom:16px;padding-left:70px;position:relative}
.hero-label::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:56px;height:3px;background:var(--accent)}
.hero h1{font-size:56px;color:var(--white);margin:0 0 20px;line-height:1.2;font-weight:700;text-shadow:0 2px 12px rgba(0,0,0,.25)}
.hero p.lead{font-size:18px;color:var(--gray-light);max-width:640px;margin:0 0 36px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}

/* Page Banner */
.page-banner{position:relative;min-height:320px;display:flex;align-items:center;background:var(--primary);color:var(--white);overflow:hidden}
.page-banner-bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:1}
.page-banner .container{position:relative;z-index:2;padding:60px 24px}
.page-banner h1{font-size:44px;color:var(--white);margin:12px 0 8px}
.page-banner .en{color:var(--accent-light);font-size:13px;letter-spacing:4px;font-weight:600}
.page-banner .sub{color:var(--gray-light);font-size:16px;max-width:640px}

/* Breadcrumb */
.breadcrumb{background:var(--light-bg);border-bottom:1px solid var(--border);font-size:13px;line-height:50px;color:var(--text-soft)}
.breadcrumb a{color:var(--text-soft)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{margin:0 10px;color:var(--gray-light)}
.breadcrumb .current{color:var(--accent)}

/* Stats */
.stats{background:var(--primary);color:var(--white);padding:60px 0;position:relative;overflow:hidden}
.stats::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--accent),var(--accent-light))}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;text-align:center}
.stat-num{font-size:48px;font-weight:700;color:var(--accent-light);line-height:1;margin-bottom:8px;font-family:"Arial Black",sans-serif}
.stat-num small{font-size:24px;vertical-align:top}
.stat-label{color:var(--gray-light);font-size:14px;letter-spacing:1px}

/* Product Cards */
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.product-card{background:var(--white);border:1px solid var(--border);overflow:hidden;transition:var(--transition);position:relative}
.product-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:var(--accent)}
.product-card .card-img{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--light-bg)}
.product-card .card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.product-card:hover .card-img img{transform:scale(1.05)}
.product-card .card-tag{position:absolute;top:16px;left:0;background:var(--accent);color:var(--white);font-size:12px;padding:4px 12px;z-index:2;letter-spacing:1px}
.product-card .card-body{padding:24px}
.product-card .card-body h3{font-size:18px;margin:0 0 8px;color:var(--primary);transition:color .25s}
.product-card:hover .card-body h3{color:var(--accent)}
.product-card .card-body p{color:var(--text-soft);font-size:14px;margin:0 0 14px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.product-card .card-foot{display:flex;justify-content:space-between;align-items:center;padding-top:14px;border-top:1px solid var(--border)}
.product-card .more{color:var(--accent);font-size:13px;font-weight:600}
.product-card .more i{margin-left:4px;transition:transform .25s}
.product-card:hover .more i{transform:translateX(4px)}
.product-card .specs-mini{font-size:12px;color:var(--gray)}

/* Features */
.feature-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-card{text-align:center;padding:36px 24px;background:var(--white);border:1px solid var(--border);transition:var(--transition);position:relative}
.feature-card::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:0;height:3px;background:var(--accent);transition:width .35s}
.feature-card:hover::before{width:100%}
.feature-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.feature-card .icon{width:72px;height:72px;margin:0 auto 20px;background:var(--accent-soft);border-radius:12px;display:flex;align-items:center;justify-content:center;transition:var(--transition)}
.feature-card:hover .icon{background:var(--accent)}
.feature-card:hover .icon img{filter:brightness(0) invert(1)}
.feature-card .icon img{width:40px;height:40px}
.feature-card h3{font-size:18px;margin:0 0 10px}
.feature-card p{color:var(--text-soft);font-size:14px;margin:0}

/* Industries */
.industry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.industry-card{position:relative;aspect-ratio:3/2;overflow:hidden;background:var(--primary);display:block}
.industry-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.industry-card:hover img{transform:scale(1.06)}
.industry-card .overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,37,64,0) 40%,rgba(10,37,64,.95));display:flex;align-items:flex-end;padding:24px;z-index:2}
.industry-card .overlay-content{color:var(--white);width:100%}
.industry-card h3{color:var(--white);font-size:22px;margin:0 0 4px}
.industry-card .more{color:var(--accent-light);font-size:13px;font-weight:600;opacity:0;transform:translateY(8px);transition:var(--transition)}
.industry-card:hover .more{opacity:1;transform:translateY(0)}

/* Cases */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{background:var(--white);border:1px solid var(--border);overflow:hidden;transition:var(--transition);display:block;color:inherit}
.case-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.case-card .case-img{aspect-ratio:16/10;overflow:hidden;position:relative}
.case-card .case-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.case-card:hover .case-img img{transform:scale(1.06)}
.case-card .case-body{padding:22px}
.case-card .case-meta{font-size:12px;color:var(--gray);letter-spacing:1px;margin-bottom:8px}
.case-card .case-meta span{margin-right:16px}
.case-card .case-meta i{color:var(--accent);margin-right:4px}
.case-card h3{font-size:17px;margin:0 0 10px;color:var(--primary);line-height:1.4;transition:color .25s;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:48px}
.case-card:hover h3{color:var(--accent)}
.case-card .case-tags{display:flex;gap:8px;flex-wrap:wrap}
.case-card .case-tag{font-size:11px;padding:3px 10px;background:var(--light-bg);color:var(--text-soft);border-radius:2px}

/* News */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.news-card{background:var(--white);border:1px solid var(--border);transition:var(--transition);overflow:hidden;display:block;color:inherit}
.news-card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:var(--accent)}
.news-card .news-img{aspect-ratio:5/3;overflow:hidden;background:var(--light-bg)}
.news-card .news-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.news-card:hover .news-img img{transform:scale(1.05)}
.news-card .news-body{padding:24px}
.news-card .news-date{color:var(--accent);font-size:13px;font-weight:600;margin-bottom:8px}
.news-card .news-date i{margin-right:6px}
.news-card h3{font-size:17px;margin:0 0 12px;line-height:1.5;color:var(--primary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:51px;transition:color .25s}
.news-card:hover h3{color:var(--accent)}
.news-card p{color:var(--text-soft);font-size:14px;line-height:1.7;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* CTA */
.cta-banner{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);padding:60px 0;color:var(--white);position:relative;overflow:hidden}
.cta-banner::before{content:"";position:absolute;top:-50%;right:-10%;width:600px;height:600px;background:radial-gradient(circle,rgba(233,78,27,.15) 0%,transparent 60%)}
.cta-wrap{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:24px;position:relative;z-index:2}
.cta-wrap h2{color:var(--white);font-size:30px;margin:0 0 8px}
.cta-wrap p{color:var(--gray-light);margin:0;max-width:720px}

/* Footer */
.footer{background:var(--primary-dark);color:var(--gray-light);padding-top:70px;font-size:14px}
.footer h4{color:var(--white);font-size:16px;margin:0 0 24px;padding-bottom:12px;position:relative;font-weight:600}
.footer h4::after{content:"";position:absolute;left:0;bottom:0;width:32px;height:2px;background:var(--accent)}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:50px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-about p{color:var(--gray-light);line-height:1.8;margin:16px 0 0}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:var(--gray-light);transition:var(--transition)}
.footer-col ul li a:hover{color:var(--accent-light);padding-left:6px}
.footer-contact li{display:flex;gap:10px;line-height:1.6;margin-bottom:14px}
.footer-contact i{color:var(--accent);width:16px;margin-top:4px;flex-shrink:0}
.social-icon{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;background:rgba(255,255,255,.06);color:var(--gray-light);border-radius:50%;transition:var(--transition)}
.social-icon:hover{background:var(--accent);color:var(--white);transform:translateY(-2px)}
.footer-bottom{padding:24px 0;text-align:center;color:var(--gray);font-size:13px}
.footer-bottom a{color:var(--gray-light);margin:0 4px}
.footer-bottom a:hover{color:var(--accent-light)}

/* Detail Pages */
.detail-wrap{padding:60px 0}
.detail-grid{display:grid;grid-template-columns:1fr 320px;gap:48px;align-items:flex-start}
.detail-main{min-width:0}
.detail-side{position:sticky;top:100px}

.detail-hero{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-bottom:50px;align-items:center}
.detail-hero-img{border:1px solid var(--border);background:var(--light-bg)}
.detail-hero-img img{width:100%}
.detail-hero-info h1{font-size:32px;margin:0 0 16px;line-height:1.3}
.detail-hero-info .lead{color:var(--text-soft);font-size:15px;margin:0 0 24px}
.detail-meta{list-style:none;padding:0;margin:0 0 28px;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.detail-meta li{display:flex;padding:10px 0;border-bottom:1px dashed var(--border);font-size:14px}
.detail-meta li:last-child{border-bottom:0}
.detail-meta .label{width:110px;color:var(--text-soft);flex-shrink:0}
.detail-meta .value{color:var(--primary);font-weight:500}

.detail-content{font-size:15px;line-height:1.85;color:var(--text)}
.detail-content h2{font-size:24px;margin:36px 0 16px;padding-left:14px;border-left:4px solid var(--accent);color:var(--primary)}
.detail-content h3{font-size:18px;margin:28px 0 12px;color:var(--primary)}
.detail-content p{margin:0 0 14px}
.detail-content ul{margin:0 0 18px}
.detail-content ul li{margin-bottom:6px}
.detail-content img{margin:20px 0;border:1px solid var(--border)}
.detail-content blockquote{border-left:4px solid var(--accent);background:var(--light-bg);padding:16px 20px;margin:20px 0;color:var(--text-soft);font-style:italic}

/* Side blocks */
.side-block{background:var(--white);border:1px solid var(--border);margin-bottom:24px}
.side-block .side-head{background:var(--primary);color:var(--white);padding:14px 20px;font-size:16px;font-weight:600;position:relative}
.side-block .side-head::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--accent)}
.side-block .side-body{padding:18px 20px}
.side-contact .info-item{display:flex;gap:10px;padding:10px 0;border-bottom:1px dashed var(--border);font-size:14px}
.side-contact .info-item:last-child{border-bottom:0}
.side-contact i{color:var(--accent);width:16px;margin-top:4px}
.side-contact .info-item strong{color:var(--primary);display:block;font-size:16px;line-height:1.3}
.side-contact .info-item small{color:var(--text-soft);font-size:12px}
.side-block .btn{width:100%;justify-content:center;margin-top:12px}
.side-list{list-style:none;padding:0;margin:0}
.side-list li{border-bottom:1px dashed var(--border);padding:10px 0}
.side-list li:last-child{border-bottom:0}
.side-list a{color:var(--text);font-size:14px;display:flex;gap:8px;line-height:1.5}
.side-list a::before{content:"›";color:var(--accent);font-weight:700;flex-shrink:0}
.side-list a:hover{color:var(--accent)}

/* Specs Table */
.specs-table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px;border:1px solid var(--border)}
.specs-table th,.specs-table td{padding:12px 18px;text-align:left;border-bottom:1px solid var(--border)}
.specs-table th{background:var(--primary);color:var(--white);font-weight:600;width:35%}
.specs-table tr:nth-child(even) td{background:var(--light-bg)}
.specs-table tr:last-child th,.specs-table tr:last-child td{border-bottom:0}

/* Process Steps */
.process-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin:30px 0;position:relative}
.process-step{text-align:center;padding:24px 16px;background:var(--light-bg);border-top:3px solid var(--accent);position:relative}
.process-step .num{width:42px;height:42px;background:var(--accent);color:var(--white);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px;margin:0 auto 12px}
.process-step h4{font-size:15px;margin:0 0 6px;color:var(--primary)}
.process-step p{font-size:13px;color:var(--text-soft);margin:0;line-height:1.5}

/* Timeline */
.timeline{position:relative;padding:20px 0}
.timeline::before{content:"";position:absolute;left:100px;top:0;bottom:0;width:2px;background:var(--border)}
.timeline-item{display:flex;gap:40px;padding:18px 0;position:relative}
.timeline-year{flex:0 0 80px;text-align:right;font-size:22px;font-weight:700;color:var(--accent);line-height:1.2;padding-top:4px}
.timeline-item::before{content:"";position:absolute;left:92px;top:12px;width:18px;height:18px;background:var(--accent);border:4px solid var(--white);border-radius:50%;box-shadow:0 0 0 2px var(--accent);z-index:2}
.timeline-content{flex:1;background:var(--white);padding:18px 24px;border:1px solid var(--border);border-left:3px solid var(--accent)}
.timeline-content h4{margin:0 0 6px;font-size:17px}
.timeline-content p{margin:0;color:var(--text-soft);font-size:14px}

/* Honor */
.honor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.honor-card{background:var(--white);border:1px solid var(--border);text-align:center;transition:var(--transition);overflow:hidden}
.honor-card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:var(--accent)}
.honor-card .honor-img{aspect-ratio:4/3;background:var(--light-bg);display:flex;align-items:center;justify-content:center;padding:20px}
.honor-card .honor-img img{max-width:100%;max-height:100%}
.honor-card h4{font-size:14px;margin:16px 12px;color:var(--primary);line-height:1.5;min-height:42px}

/* Team */
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.team-card{text-align:center;background:var(--white);border:1px solid var(--border);overflow:hidden;transition:var(--transition)}
.team-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.team-card .avatar{width:100%;aspect-ratio:1;background:var(--primary);display:flex;align-items:center;justify-content:center;color:var(--white);font-size:56px;font-weight:700}
.team-card .info{padding:20px}
.team-card .info h4{margin:0 0 4px;font-size:18px;color:var(--primary)}
.team-card .role{color:var(--accent);font-size:13px;font-weight:600;margin-bottom:8px;letter-spacing:1px}
.team-card .bio{font-size:13px;color:var(--text-soft);margin:0;line-height:1.6}

/* Service */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.service-card{padding:36px 28px;background:var(--white);border:1px solid var(--border);transition:var(--transition);position:relative;display:block;color:inherit}
.service-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--accent);transform:scaleY(0);transition:transform .3s;transform-origin:top}
.service-card:hover::before{transform:scaleY(1)}
.service-card:hover{box-shadow:var(--shadow);transform:translateX(4px)}
.service-card .icon{width:60px;height:60px;background:var(--accent-soft);border-radius:8px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;transition:var(--transition)}
.service-card:hover .icon{background:var(--accent)}
.service-card:hover .icon img{filter:brightness(0) invert(1)}
.service-card h3{font-size:18px;margin:0 0 10px}
.service-card p{color:var(--text-soft);font-size:14px;margin:0 0 14px;line-height:1.7}
.service-card .more{color:var(--accent);font-size:13px;font-weight:600}

/* FAQ */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{background:var(--white);border:1px solid var(--border);margin-bottom:14px;transition:border-color .25s}
.faq-item.open{border-color:var(--accent)}
.faq-q{padding:18px 22px;cursor:pointer;display:flex;align-items:center;gap:16px;font-weight:600;color:var(--primary);font-size:15px}
.faq-q .num{flex-shrink:0;width:32px;height:32px;background:var(--accent-soft);color:var(--accent);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700}
.faq-q .toggle{margin-left:auto;color:var(--accent);transition:transform .3s}
.faq-item.open .faq-q .toggle{transform:rotate(45deg)}
.faq-a{padding:0 22px 18px 70px;color:var(--text-soft);line-height:1.8;font-size:14px;display:none}
.faq-item.open .faq-a{display:block}

/* Download */
.download-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.download-item{display:flex;align-items:center;gap:16px;padding:18px 22px;background:var(--white);border:1px solid var(--border);transition:var(--transition)}
.download-item:hover{border-color:var(--accent);box-shadow:var(--shadow-sm)}
.download-item .file-icon{width:44px;height:44px;background:var(--accent-soft);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.download-item .file-meta{flex:1}
.download-item .file-name{font-weight:600;color:var(--primary);margin-bottom:4px;font-size:14px}
.download-item .file-size{color:var(--gray);font-size:12px}
.download-item .file-btn{color:var(--accent);font-size:14px;font-weight:600;flex-shrink:0}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:40px;align-items:stretch}
.contact-info{background:var(--primary);color:var(--gray-light);padding:40px;position:relative;overflow:hidden}
.contact-info::before{content:"";position:absolute;top:0;left:0;width:4px;height:80px;background:var(--accent)}
.contact-info h2{color:var(--white);margin:0 0 8px;font-size:26px}
.contact-info>p{color:var(--gray-light);margin:0 0 30px;font-size:14px}
.contact-info-item{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.contact-info-item:last-child{border-bottom:0}
.contact-info-item .icon{width:44px;height:44px;background:rgba(255,255,255,.08);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--accent-light);font-size:18px;flex-shrink:0}
.contact-info-item h4{color:var(--white);font-size:14px;margin:0 0 4px}
.contact-info-item p{color:var(--gray-light);margin:0;font-size:14px;line-height:1.6}
.contact-form{background:var(--white);border:1px solid var(--border);padding:40px}
.contact-form h2{margin:0 0 8px}
.contact-form>p{color:var(--text-soft);margin:0 0 24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;color:var(--text);margin-bottom:6px;font-weight:500}
.form-group label .required{color:var(--accent)}
.form-control{width:100%;padding:11px 14px;border:1px solid var(--border);background:var(--white);font-family:inherit;font-size:14px;color:var(--text);transition:var(--transition)}
.form-control:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 3px rgba(233,78,27,.1)}
textarea.form-control{resize:vertical;min-height:110px}
.contact-map{margin-top:60px;height:400px;background:var(--light-bg);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;text-align:center;color:var(--gray)}

/* Pagination */
.pagination{display:flex;justify-content:center;gap:6px;margin-top:50px;flex-wrap:wrap}
.pagination a,.pagination span{padding:8px 14px;background:var(--white);border:1px solid var(--border);color:var(--text);font-size:14px;transition:var(--transition)}
.pagination a:hover{border-color:var(--accent);color:var(--accent)}
.pagination .current{background:var(--accent);border-color:var(--accent);color:var(--white)}

/* News list */
.news-list-item{display:grid;grid-template-columns:280px 1fr;gap:28px;padding:24px;background:var(--white);border:1px solid var(--border);margin-bottom:18px;transition:var(--transition)}
.news-list-item:hover{box-shadow:var(--shadow);border-color:var(--accent)}
.news-list-img{aspect-ratio:5/3;overflow:hidden}
.news-list-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.news-list-item:hover .news-list-img img{transform:scale(1.04)}
.news-list-body{display:flex;flex-direction:column}
.news-list-meta{font-size:13px;color:var(--gray);margin-bottom:8px}
.news-list-meta .cat{background:var(--accent);color:var(--white);padding:2px 10px;margin-right:12px;font-size:12px}
.news-list-body h3{font-size:20px;margin:0 0 12px;line-height:1.4;transition:color .25s}
.news-list-item:hover h3{color:var(--accent)}
.news-list-body p{color:var(--text-soft);font-size:14px;line-height:1.7;margin:0 0 14px;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-list-body .more{color:var(--accent);font-size:13px;font-weight:600}

/* Misc */
.text-center{text-align:center}
.mt-0{margin-top:0}.mt-30{margin-top:30px}
.mb-0{margin-bottom:0}.mb-30{margin-bottom:30px}

/* Responsive */
@media (max-width:1100px){
    .product-grid,.case-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
    .industry-grid{grid-template-columns:repeat(2,1fr)}
    .feature-cards{grid-template-columns:repeat(2,1fr)}
    .honor-grid{grid-template-columns:repeat(3,1fr)}
    .team-grid{grid-template-columns:repeat(3,1fr)}
    .service-grid{grid-template-columns:repeat(2,1fr)}
    .stats-grid{grid-template-columns:repeat(2,1fr);gap:40px}
    .footer-top{grid-template-columns:1fr 1fr;gap:30px}
    .detail-grid{grid-template-columns:1fr}
    .detail-side{position:static}
    .contact-grid{grid-template-columns:1fr}
    .process-steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
    body{font-size:14px}
    h1{font-size:28px}h2{font-size:22px}
    .section{padding:50px 0}
    .section-title h2{font-size:26px}
    .top-bar-info span{display:none}
    .top-bar-info span:first-child{display:inline}
    .nav-wrap{height:60px}
    .logo-icon{width:40px;height:40px;font-size:22px}
    .logo-text strong{font-size:16px}
    .logo-text small{font-size:10px}
    .main-nav{position:fixed;top:60px;left:0;right:0;background:var(--white);flex-direction:column;padding:20px;gap:0;box-shadow:var(--shadow);max-height:calc(100vh - 60px);overflow-y:auto;transform:translateY(-120%);transition:transform .3s}
    .main-nav.active{transform:translateY(0)}
    .main-nav>li>a{line-height:48px;padding:0;border-bottom:1px solid var(--border)}
    .main-nav>li>a::after{display:none}
    .sub-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border-top:0;background:var(--light-bg);margin:0;padding:8px 16px}
    .mobile-toggle{display:flex;align-items:center;justify-content:center}
    .hero{min-height:480px}
    .hero h1{font-size:32px}
    .hero p.lead{font-size:15px}
    .hero-label{font-size:12px;padding-left:50px}
    .page-banner{min-height:240px}
    .page-banner h1{font-size:28px}
    .product-grid,.case-grid,.news-grid,.industry-grid,.feature-cards,.service-grid{grid-template-columns:1fr}
    .honor-grid,.team-grid{grid-template-columns:repeat(2,1fr)}
    .stats-grid{grid-template-columns:1fr 1fr;gap:24px}
    .stat-num{font-size:36px}
    .footer-top{grid-template-columns:1fr;gap:30px}
    .cta-wrap{flex-direction:column;text-align:center}
    .form-row{grid-template-columns:1fr}
    .news-list-item{grid-template-columns:1fr}
    .timeline::before{left:20px}
    .timeline-item{gap:20px;padding-left:40px}
    .timeline-year{flex:0 0 auto;text-align:left}
    .timeline-item::before{left:12px;top:8px}
    .download-list{grid-template-columns:1fr}
    .detail-hero{grid-template-columns:1fr}
}
@media (max-width:480px){
    .container{padding:0 16px}
    .btn{padding:10px 22px;font-size:13px}
    .top-bar-lang{display:none}
}

@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.fade-up{animation:fadeUp .6s ease-out both}