:root{--primary:#0d2137;--primary-light:#1a3a5c;--gold:#c9a96e;--gold-light:#d4bc8a;--gold-dark:#b8944f;--accent:#e8e8e8;--bg-light:#f8f6f3;--bg-dark:#0a1628;--text:#333;--text-light:#666;--text-lighter:#999;--white:#fff;--border:#e0dcd5;--shadow:0 4px 24px rgba(0,0,0,.08);--shadow-lg:0 12px 48px rgba(0,0,0,.12);--radius:8px;--radius-sm:4px;--transition:all .3s ease;--max-width:1200px;--font-cn:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;--font-en:"Segoe UI",Arial,sans-serif}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-cn);color:var(--text);line-height:1.8;font-size:16px;background:var(--white);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
ul{list-style:none}
.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}
.section{padding:80px 0}
.bg-light{background:var(--bg-light)}
.bg-dark{background:var(--primary);color:var(--white)}
.text-center{text-align:center}
.mt-40{margin-top:40px}
h1,h2,h3,h4{font-weight:700;line-height:1.3;color:var(--primary)}
h1{font-size:2.6rem}h2{font-size:2rem;margin-bottom:16px}h3{font-size:1.4rem}
.section-header{margin-bottom:48px}
.section-lead{color:var(--text-light);font-size:1.1rem;margin-top:8px}
.bg-dark h2,.bg-dark h3{color:var(--white)}
.btn{display:inline-block;padding:12px 32px;border-radius:var(--radius-sm);font-size:1rem;font-weight:600;cursor:pointer;transition:var(--transition);text-align:center;border:none;font-family:inherit}
.btn-primary{background:var(--gold);color:var(--primary);border:2px solid var(--gold)}
.btn-primary:hover{background:var(--gold-dark);border-color:var(--gold-dark)}
.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary)}
.btn-outline:hover{background:var(--primary);color:var(--white)}
.btn-outline-white{background:transparent;color:var(--white);border:2px solid var(--white)}
.btn-outline-white:hover{background:var(--white);color:var(--primary)}
.btn-lg{padding:16px 40px;font-size:1.1rem}
.btn-sm{padding:8px 20px;font-size:.9rem}
.btn-block{display:block;width:100%}
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(13,33,55,.96);backdrop-filter:blur(10px);border-bottom:1px solid rgba(201,169,110,.15);transition:var(--transition)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:12px}
.logo-icon{font-size:28px;color:var(--gold)}
.logo-text{display:flex;flex-direction:column}
.logo-name{font-size:1.2rem;font-weight:700;color:var(--white);letter-spacing:1px}
.logo-sub{font-size:.65rem;color:var(--gold-light);font-family:var(--font-en);letter-spacing:2px}
.main-nav{display:flex;gap:4px}
.nav-link{display:block;padding:8px 16px;color:rgba(255,255,255,.8);font-size:.95rem;border-radius:var(--radius-sm);transition:var(--transition)}
.nav-link:hover,.nav-link.active{color:var(--gold);background:rgba(201,169,110,.1)}
.menu-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--white);transition:var(--transition)}
.hero{position:relative;min-height:100vh;display:flex;align-items:center;background:linear-gradient(135deg,var(--bg-dark)0%,var(--primary)40%,var(--primary-light)100%);overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;right:-30%;width:800px;height:800px;border-radius:50%;background:radial-gradient(circle,rgba(201,169,110,.15)0%,transparent 70%)}
.hero::after{content:'';position:absolute;bottom:0;left:0;right:0;height:200px;background:linear-gradient(to top,rgba(255,255,255,.03),transparent)}
.hero-content{position:relative;z-index:1;max-width:800px}
.hero-content img{height:120px;width:120px;float:left;margin-right:20px;margin-bottom:20px;margin-top:20px;}
.hero-title{font-size:3.2rem;color:var(--white);margin-bottom:24px;line-height:1.25}
.hero-title::after{content:'';display:block;width:80px;height:3px;background:var(--gold);margin-top:20px}
.hero-desc{font-size:1.15rem;color:rgba(255,255,255,.75);margin-bottom:36px;line-height:1.8}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.intro-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:center}
.intro-text p{margin-bottom:16px;font-size:1.05rem;color:var(--text-light)}
.intro-text strong{color:var(--primary)}
.intro-stats{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.stat-item{text-align:center;padding:32px 20px;background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);border-top:3px solid var(--gold)}
.stat-num{display:block;font-size:2.6rem;font-weight:800;color:var(--gold);line-height:1.2}
.stat-label{display:block;font-size:.9rem;color:var(--text-light);margin-top:4px}
.tech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tech-card{background:var(--white);padding:32px 24px;border-radius:var(--radius);box-shadow:var(--shadow);transition:var(--transition);border:1px solid var(--border)}
.tech-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--gold-light)}
.tech-icon{font-size:2rem;margin-bottom:16px}
.tech-card h3{font-size:1.15rem;margin-bottom:10px}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.product-card{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition)}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.product-img{aspect-ratio:4/3;background:var(--bg-light);overflow:hidden}
.product-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.product-card:hover .product-img img{transform:scale(1.05)}
.product-info{padding:20px}
.product-cat{display:inline-block;font-size:.75rem;padding:2px 10px;background:rgba(201,169,110,.15);color:var(--gold-dark);border-radius:20px;margin-bottom:8px}
.product-info h3{font-size:1.1rem;margin-bottom:8px}
.product-info p{font-size:.9rem;color:var(--text-light);margin-bottom:12px}
.cta-section h2{font-size:2rem}
.cta-desc{color:rgba(255,255,255,.7);margin-bottom:36px}
.process-steps{display:flex;justify-content:center;align-items:center;gap:8px;margin-bottom:36px;flex-wrap:wrap}
.step{display:flex;align-items:center;gap:8px;color:var(--white);font-weight:600}
.step-num{width:36px;height:36px;border-radius:50%;background:var(--gold);color:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.9rem}
.step-arrow{color:var(--gold);font-size:1.2rem}
.page-hero{padding:140px 0 60px;text-align:center;color:var(--white)}
.page-hero h1{color:var(--white);font-size:2.6rem;margin-bottom:12px}
.page-hero p{color:rgba(255,255,255,.7);font-size:1.1rem}
.page-hero-about{background:linear-gradient(135deg,var(--primary),#1a3a5c)}
.page-hero-tech{background:linear-gradient(135deg,#0d2b1e,#1a4a35)}
.page-hero-products{background:linear-gradient(135deg,#1a1a3a,#2a2a5c)}
.page-hero-cases{background:linear-gradient(135deg,#2d1a0a,#4a2a15)}
.page-hero-process{background:linear-gradient(135deg,#0a1a2d,#0d2137)}
.page-hero-contact{background:linear-gradient(135deg,var(--primary),#1a3a5c)}
.about-intro{max-width:860px;margin:0 auto;font-size:1.1rem;line-height:2;text-align:center}
.timeline{position:relative;max-width:800px;margin:0 auto;padding-left:40px}
.timeline::before{content:'';position:absolute;left:15px;top:0;bottom:0;width:2px;background:var(--gold)}
.timeline-item{position:relative;margin-bottom:40px}
.timeline-dot{position:absolute;left:-33px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--gold);border:3px solid var(--white);box-shadow:0 0 0 3px var(--gold)}
.timeline-content{background:var(--white);padding:24px;border-radius:var(--radius);box-shadow:var(--shadow)}
.timeline-content h3{color:var(--gold-dark);margin-bottom:10px}
.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.value-card{text-align:center;padding:36px 24px;border-radius:var(--radius);background:var(--white);box-shadow:var(--shadow)}
.value-card h3{font-size:1.3rem;color:var(--gold-dark);margin-bottom:12px;position:relative}
.value-card h3::after{content:'';display:block;width:40px;height:2px;background:var(--gold);margin:10px auto 0}
.advantage-list{max-width:900px;margin:0 auto}
.advantage-item{display:flex;gap:24px;margin-bottom:36px;padding-bottom:36px;border-bottom:1px solid var(--border)}
.advantage-item:last-child{border-bottom:none}
.adv-num{font-size:2.2rem;font-weight:800;color:var(--gold);line-height:1;flex-shrink:0;min-width:60px}
.adv-content h3{margin-bottom:8px}
.compare-table-wrapper{overflow-x:auto}
.compare-table{width:100%;border-collapse:collapse;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.compare-table th{background:var(--primary);color:var(--white);padding:16px;text-align:left;font-weight:600}
.compare-table td{padding:14px 16px;border-bottom:1px solid var(--border)}
.compare-table tr:nth-child(even) td{background:var(--bg-light)}
.highlight-col{color:var(--gold-dark);font-weight:600}
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:36px;justify-content:center}
.filter-btn{padding:8px 20px;border-radius:20px;background:var(--white);border:1px solid var(--border);cursor:pointer;font-family:inherit;font-size:.9rem;transition:var(--transition)}
.filter-btn.active,.filter-btn:hover{background:var(--gold);color:var(--primary);border-color:var(--gold)}
.modal{display:none;position:fixed;z-index:200;inset:0}
.modal.active{display:block}
.modal-overlay{position:absolute;inset:0;background:rgba(0,0,0,.6)}
.modal-content{position:relative;z-index:1;max-width:580px;margin:60px auto;background:var(--white);border-radius:var(--radius);padding:36px;max-height:80vh;overflow-y:auto}
.modal-close{position:absolute;top:12px;right:16px;font-size:28px;background:none;border:none;cursor:pointer;color:var(--text-lighter)}
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.case-card{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition)}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.case-img{aspect-ratio:16/10;background:var(--bg-light);overflow:hidden}
.case-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.case-card:hover .case-img img{transform:scale(1.05)}
.case-info{padding:24px}
.case-industry{display:inline-block;font-size:.75rem;padding:2px 10px;background:rgba(201,169,110,.15);color:var(--gold-dark);border-radius:20px;margin-bottom:8px}
.case-info h3{font-size:1.15rem;margin-bottom:10px}
.case-info p{font-size:.9rem;color:var(--text-light)}
.case-client{margin-top:12px;font-size:.85rem;color:var(--text-lighter)}
.process-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.process-item{text-align:center;padding:32px 20px;position:relative}
.process-item:not(:last-child)::after{content:'';position:absolute;right:-12px;top:42px;width:24px;height:2px;background:var(--gold)}
.process-icon{width:64px;height:64px;border-radius:50%;background:var(--gold);color:var(--primary);font-size:1.5rem;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.process-item h3{font-size:1.05rem;margin-bottom:8px}
.process-item p{font-size:.85rem;color:var(--text-light)}
.process-flow .process-item:nth-child(5),.process-flow .process-item:nth-child(6),.process-flow .process-item:nth-child(7){margin-top:30px}
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:48px}
.contact-detail{margin-bottom:20px}
.contact-detail strong{display:block;color:var(--primary);margin-bottom:4px}
.contact-detail p{color:var(--text-light)}
.contact-qr{margin:24px 0}
.contact-biz-hours h3{margin-bottom:12px}
.contact-biz-hours li{padding:4px 0;color:var(--text-light);font-size:.9rem}
.contact-biz-hours li::before{content:'<27> ';color:var(--gold);font-size:.6rem}
.contact-form-wrap{background:var(--white);padding:36px;border-radius:var(--radius);box-shadow:var(--shadow)}
.form-group{margin-bottom:20px}
.form-group label{display:block;margin-bottom:6px;font-weight:600;font-size:.9rem;color:var(--primary)}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:12px 16px;border:1px solid var(--border);border-radius:var(--radius-sm);font-family:inherit;font-size:.95rem;transition:var(--transition);background:var(--bg-light)}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(201,169,110,.15)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-success{text-align:center;padding:40px;color:#2d8a4e;font-size:1.1rem}
.industries-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.industry-item{padding:24px;text-align:center;background:var(--white);border-radius:var(--radius);font-weight:600;box-shadow:var(--shadow);transition:var(--transition);border:2px solid transparent}
.industry-item:hover{border-color:var(--gold);color:var(--gold-dark)}
.site-footer{background:var(--bg-dark);color:var(--white);padding:60px 0 30px}
.site-footer h4{color:var(--gold);margin-bottom:16px;font-size:1.1rem}
.site-footer a,.site-footer p{color:rgba(255,255,255,.7);font-size:.9rem;transition:var(--transition)}
.site-footer a:hover{color:var(--gold)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-col>a{display:block;margin-bottom:8px}
.footer-col .btn-outline{margin-top:12px;color:var(--gold);border-color:var(--gold)}
.footer-col .btn-outline:hover{background:var(--gold);color:var(--primary)}
.footer-bottom{padding-top:24px;border-top:1px solid rgba(255,255,255,.1);text-align:center;font-size:.85rem}
.admin-body{background:var(--bg-light)}
.admin-header{background:var(--primary);color:var(--white);padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:60px}
.admin-header h1{font-size:1.2rem;color:var(--white)}
.admin-header a{color:var(--gold)}
.admin-sidebar{width:220px;background:var(--white);min-height:calc(100vh - 60px);padding:20px 0;box-shadow:var(--shadow);float:left}
.admin-sidebar a{display:block;padding:12px 24px;transition:var(--transition);font-size:.95rem}
.admin-sidebar a:hover,.admin-sidebar a.active{background:rgba(201,169,110,.1);color:var(--gold-dark)}
.admin-main{margin-left:220px;padding:32px}
.admin-table{width:100%;background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border-collapse:collapse}
.admin-table th{background:var(--primary);color:var(--white);padding:14px 16px;text-align:left;font-weight:600;font-size:.9rem}
.admin-table td{padding:12px 16px;border-bottom:1px solid var(--border);font-size:.9rem}
.admin-table tr:hover td{background:var(--bg-light)}
.admin-card{background:var(--white);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);margin-bottom:24px}
.admin-form label{display:block;margin-bottom:4px;font-weight:600;font-size:.85rem}
.admin-form input,.admin-form textarea,.admin-form select{padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);font-family:inherit;font-size:.9rem}
.admin-form input:focus,.admin-form textarea:focus{outline:none;border-color:var(--gold)}
.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--bg-dark),var(--primary))}
.login-box{background:var(--white);padding:48px;border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%;max-width:400px}
.login-box h1{text-align:center;margin-bottom:32px;font-size:1.5rem}
@media(max-width:1024px){.tech-grid{grid-template-columns:repeat(2,1fr)}.product-grid{grid-template-columns:repeat(2,1fr)}.values-grid{grid-template-columns:repeat(2,1fr)}.process-flow{grid-template-columns:repeat(3,1fr)}.industries-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:768px){h1{font-size:2rem}h2{font-size:1.6rem}.hero-title{font-size:2.2rem}.hero-content img{margin-top:0px;}.section{padding:50px 0}.menu-toggle{display:flex}.main-nav{display:none;position:fixed;top:72px;left:0;right:0;background:var(--primary);flex-direction:column;padding:16px}.main-nav.open{display:flex}.nav-link{padding:12px 16px}.intro-grid{grid-template-columns:1fr;gap:30px}.intro-stats{grid-template-columns:1fr 1fr}.tech-grid{grid-template-columns:1fr}.product-grid{grid-template-columns:1fr}.case-grid{grid-template-columns:1fr}.process-flow{grid-template-columns:1fr}.process-item:not(:last-child)::after{display:none}.process-flow .process-item:nth-child(5),.process-flow .process-item:nth-child(6),.process-flow .process-item:nth-child(7){margin-top:0}.values-grid{grid-template-columns:1fr}.contact-grid{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:30px}.industries-grid{grid-template-columns:repeat(2,1fr)}.admin-sidebar{width:100%;min-height:auto;float:none}.admin-main{margin-left:0}.compare-table{font-size:.85rem}.compare-table th,.compare-table td{padding:10px 12px}.hero-btns{flex-direction:column}.process-steps{flex-direction:column}.step-arrow{display:none}.advantage-item{flex-direction:column;gap:8px}.timeline{padding-left:30px}.timeline-dot{left:-24px}}
@media(max-width:480px){.intro-stats{grid-template-columns:1fr}.page-hero{padding:120px 0 40px}.page-hero h1{font-size:2rem}}