/* Chengdu Chuangxiang Yuxin - Corporate Website Stylesheet */
:root{--primary:#0064E0;--primary-hover:#0143B5;--primary-pressed:#004BB9;--primary-light:#47A5FA;--text-primary:#1C2B33;--text-secondary:#5D6C7B;--text-muted:#65676B;--bg-white:#FFFFFF;--bg-soft-gray:#F1F4F7;--bg-warm-gray:#F7F8FA;--bg-dark:#1C1E21;--border-color:#DEE3E9;--shadow-1:0 2px 4px 0 rgba(0,0,0,.1);--shadow-2:0 12px 28px 0 rgba(0,0,0,.2),0 2px 4px 0 rgba(0,0,0,.1);--radius-sm:8px;--radius-card:20px;--radius-lg:24px;--radius-pill:100px;--font-family:Montserrat,-apple-system,BlinkMacSystemFont,Helvetica Neue,Helvetica,PingFang SC,Microsoft YaHei,sans-serif;--container-max:1440px;--section-padding:80px;--nav-height:72px}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-family);color:var(--text-primary);background:var(--bg-white);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}ul,ol{list-style:none}button{cursor:pointer;border:none;background:none;font-family:inherit}
.container{max-width:var(--container-max);margin:0 auto;padding:0 40px}
.section{padding:var(--section-padding) 0}
.section-dark{background:var(--bg-dark);color:#fff}
.section-gray{background:var(--bg-soft-gray)}
.section-title{font-size:36px;font-weight:500;text-align:center;margin-bottom:16px;line-height:1.28}
.section-dark .section-title{color:#fff}
.section-subtitle{font-size:18px;color:var(--text-secondary);text-align:center;max-width:640px;margin:0 auto 48px;line-height:1.44}
.section-dark .section-subtitle{color:rgba(255,255,255,.7)}
.fade-in{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}
.navbar{position:fixed;top:0;left:0;right:0;height:var(--nav-height);background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,0,0,.08);z-index:1000;transition:background .3s ease,box-shadow .3s ease}
.navbar.scrolled{box-shadow:0 2px 16px rgba(0,0,0,.08)}
.navbar .container{display:flex;align-items:center;justify-content:space-between;height:100%}
.nav-logo{font-size:20px;font-weight:700;color:var(--text-primary);display:flex;align-items:center;gap:10px}
.nav-logo-icon{width:36px;height:36px;background:var(--primary);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;font-weight:700}
.nav-links{display:flex;align-items:center;gap:8px}
.nav-links a{padding:8px 16px;font-size:16px;font-weight:500;color:var(--text-primary);border-radius:var(--radius-pill);transition:background .2s ease,color .2s ease}
.nav-links a:hover,.nav-links a.active{background:var(--bg-soft-gray);color:var(--primary)}
.nav-cta{display:inline-flex;align-items:center;padding:10px 22px;background:var(--primary);color:#fff!important;border-radius:var(--radius-pill);font-size:14px;font-weight:500;transition:background .2s ease,transform .15s ease}
.nav-cta:hover{background:var(--primary-hover);transform:scale(1.05);color:#fff!important}
.nav-cta:active{background:var(--primary-pressed);transform:scale(.95)}
.hamburger{display:none;flex-direction:column;gap:5px;padding:12px;cursor:pointer;z-index:1001}
.hamburger span{display:block;width:24px;height:2px;background:var(--text-primary);border-radius:2px;transition:transform .3s ease,opacity .3s ease}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
.mobile-nav{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(255,255,255,.98);z-index:999;flex-direction:column;align-items:center;justify-content:center;gap:8px;opacity:0;transition:opacity .3s ease}
.mobile-nav.active{display:flex;opacity:1}
.mobile-nav a{padding:16px 32px;font-size:24px;font-weight:500;color:var(--text-primary);border-radius:var(--radius-pill);transition:background .2s ease}
.mobile-nav a:hover{background:var(--bg-soft-gray)}
.hero{position:relative;min-height:85vh;display:flex;align-items:center;background:var(--bg-dark);overflow:hidden;padding-top:var(--nav-height)}
.hero-bg{position:absolute;top:0;left:0;right:0;bottom:0;background:url('../images/hero_bg.jpg') center center/cover no-repeat;z-index:0}
.hero-bg::after{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,rgba(28,30,33,.55) 0%,rgba(10,22,40,.5) 50%,rgba(26,42,74,.45) 100%),radial-gradient(ellipse at 20% 50%,rgba(0,100,224,.15) 0%,transparent 50%),radial-gradient(ellipse at 80% 20%,rgba(71,165,250,.1) 0%,transparent 40%)}
.hero-pattern{position:absolute;top:0;left:0;right:0;bottom:0;opacity:.03;background-image:linear-gradient(rgba(255,255,255,.1) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.1) 1px,transparent 1px);background-size:60px 60px}
.hero .container{position:relative;z-index:1}
.hero-content{max-width:720px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;background:rgba(0,100,224,.15);border:1px solid rgba(0,100,224,.3);border-radius:var(--radius-pill);color:var(--primary-light);font-size:14px;font-weight:500;margin-bottom:24px}
.hero-badge-dot{width:6px;height:6px;background:var(--primary-light);border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero h1{font-size:56px;font-weight:500;color:#fff;line-height:1.16;margin-bottom:24px;letter-spacing:-.5px}
.hero h1 span{color:var(--primary-light)}
.hero p{font-size:18px;color:rgba(255,255,255,.7);line-height:1.6;margin-bottom:40px;max-width:560px}
.hero-buttons{display:flex;gap:16px;flex-wrap:wrap}
.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;background:var(--primary);color:#fff;border-radius:var(--radius-pill);font-size:16px;font-weight:500;transition:background .2s ease,transform .15s ease}
.btn-primary:hover{background:var(--primary-hover);transform:scale(1.05)}
.btn-secondary{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;background:transparent;color:#fff;border:2px solid rgba(255,255,255,.2);border-radius:var(--radius-pill);font-size:16px;font-weight:500;transition:background .2s ease,border-color .2s ease}
.btn-secondary:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.4)}
.hero-stats{display:flex;gap:48px;margin-top:64px;padding-top:32px;border-top:1px solid rgba(255,255,255,.1)}
.hero-stat-item h3{font-size:36px;font-weight:500;color:#fff}
.hero-stat-item p{font-size:14px;color:rgba(255,255,255,.5);margin-bottom:0}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.about-image{border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:4/3;background:var(--bg-soft-gray)}
.about-image img{width:100%;height:100%;object-fit:cover}
.about-content h2{font-size:36px;font-weight:500;margin-bottom:20px;line-height:1.28}
.about-content p{font-size:18px;color:var(--text-secondary);line-height:1.7;margin-bottom:16px}
.about-features{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px}
.about-feature-item{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--bg-warm-gray);border-radius:var(--radius-card);font-size:15px;font-weight:500;color:var(--text-primary)}
.about-feature-icon{width:36px;height:36px;background:rgba(0,100,224,.1);border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:18px;flex-shrink:0}
.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.product-card{background:var(--bg-white);border-radius:var(--radius-card);overflow:hidden;transition:transform .3s ease,box-shadow .3s ease;border:1px solid var(--border-color)}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.product-card-image{aspect-ratio:4/3;overflow:hidden;background:var(--bg-soft-gray)}
.product-card-image img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.product-card:hover .product-card-image img{transform:scale(1.05)}
.product-card-body{padding:20px}
.product-card-category{font-size:12px;font-weight:700;color:var(--primary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}
.product-card-title{font-size:18px;font-weight:700;color:var(--text-primary);margin-bottom:8px;line-height:1.4}
.product-card-desc{font-size:14px;color:var(--text-secondary);line-height:1.5}
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{border-radius:var(--radius-card);overflow:hidden;position:relative;aspect-ratio:4/3;cursor:pointer;transition:transform .3s ease}
.case-card:hover{transform:translateY(-4px)}
.case-card img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.case-card:hover img{transform:scale(1.05)}
.case-card-overlay{position:absolute;bottom:0;left:0;right:0;padding:24px;background:linear-gradient(transparent,rgba(0,0,0,.7));color:#fff}
.case-card-title{font-size:18px;font-weight:700;margin-bottom:4px}
.case-card-desc{font-size:14px;opacity:.8}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:stretch}
.contact-info-card{background:var(--bg-white);border-radius:var(--radius-card);padding:40px;border:1px solid var(--border-color)}
.contact-info-card h3{font-size:24px;font-weight:500;margin-bottom:24px}
.contact-item{display:flex;align-items:flex-start;gap:16px;padding:16px 0;border-bottom:1px solid var(--border-color)}
.contact-item:last-child{border-bottom:none}
.contact-item-icon{width:44px;height:44px;background:rgba(0,100,224,.1);border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:20px;flex-shrink:0}
.contact-item-text h4{font-size:14px;color:var(--text-muted);font-weight:500;margin-bottom:4px}
.contact-item-text p{font-size:16px;font-weight:500;color:var(--text-primary)}
.contact-map{border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--border-color);height:400px}
.contact-map iframe{width:100%;height:100%;border:none}
.cta-banner{background:var(--primary);text-align:center;padding:64px 0}
.cta-banner h2{font-size:36px;font-weight:500;color:#fff;margin-bottom:16px}
.cta-banner p{font-size:18px;color:rgba(255,255,255,.8);margin-bottom:32px;max-width:560px;margin-left:auto;margin-right:auto}
.btn-white{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;background:#fff;color:var(--primary);border-radius:var(--radius-pill);font-size:16px;font-weight:500;transition:transform .15s ease,box-shadow .2s ease}
.btn-white:hover{transform:scale(1.05);box-shadow:0 8px 24px rgba(0,0,0,.15)}
.footer{background:var(--bg-dark);color:rgba(255,255,255,.7);padding:64px 0 32px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer-brand h3{font-size:20px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.7;max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;text-transform:uppercase;letter-spacing:1px;margin-bottom:20px}
.footer-col a{display:block;font-size:14px;padding:6px 0;color:rgba(255,255,255,.6);transition:color .2s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{padding-top:32px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;align-items:center;font-size:12px;color:rgba(255,255,255,.4)}
.page-header{background:var(--bg-dark);padding:140px 0 64px;text-align:center}
.page-header h1{font-size:48px;font-weight:500;color:#fff;margin-bottom:16px}
.page-header p{font-size:18px;color:rgba(255,255,255,.6);max-width:560px;margin:0 auto}
.category-filter{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-bottom:48px}
.category-btn{padding:8px 20px;border-radius:var(--radius-pill);font-size:14px;font-weight:500;color:var(--text-secondary);border:1px solid var(--border-color);background:var(--bg-white);cursor:pointer;transition:all .2s ease}
.category-btn:hover,.category-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.contact-page-map{border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--border-color);height:100%}
.contact-page-map iframe{width:100%;height:100%;border:none}
.view-more{display:flex;justify-content:center;margin-top:48px}
.view-more a{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border:2px solid var(--border-color);border-radius:var(--radius-pill);font-size:16px;font-weight:500;color:var(--text-primary);transition:all .2s ease}
.view-more a:hover{border-color:var(--primary);color:var(--primary)}
.section-dark .view-more a{border-color:rgba(255,255,255,.2);color:#fff}
.section-dark .view-more a:hover{border-color:var(--primary-light);color:var(--primary-light)}
@media(max-width:1024px){.hero h1{font-size:44px}.products-grid,.cases-grid{grid-template-columns:repeat(2,1fr)}.about-grid{grid-template-columns:1fr;gap:40px}.contact-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.hero-stats{gap:32px}}
@media(max-width:768px){:root{--section-padding:48px}.container{padding:0 20px}.nav-links{display:none}.hamburger{display:flex}.hero{min-height:75vh}.hero h1{font-size:36px}.hero p{font-size:16px}.hero-buttons{flex-direction:column}.hero-buttons .btn-primary,.hero-buttons .btn-secondary{width:100%;justify-content:center}.hero-stats{flex-direction:column;gap:20px}.section-title{font-size:28px}.section-subtitle{font-size:16px}.products-grid,.cases-grid{grid-template-columns:1fr}.about-features{grid-template-columns:1fr}.page-header{padding:120px 0 48px}.page-header h1{font-size:36px}.footer-grid{grid-template-columns:1fr;gap:32px}.footer-bottom{flex-direction:column;gap:8px;text-align:center}.contact-map{height:300px}.contact-page-map{height:350px}}