/* ===== 全局重置 ===== */
*{margin:0;padding:0;box-sizing:border-box;font-family:"Microsoft YaHei","微软雅黑","Helvetica Neue",Arial,sans-serif;}
html,body{height:100%;}
body{color:#333;line-height:1.8;background:#fff;font-size:14px;}
a{text-decoration:none;color:#333;transition:all 0.3s ease;}
a:hover{color:#c8161d;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
h1,h2,h3,h4,h5,h6{font-weight:normal;}

/* ===== 通用容器 ===== */
.container{width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:70px 0;}
.section-gray{background:#f7f8fa;}
.section-dark{background:#1a2332;color:#cfd6e0;}

/* ===== 顶部信息条 ===== */
.top-bar{background:#f5f5f5;border-bottom:1px solid #eaeaea;color:#666;font-size:13px;padding:8px 0;}
.top-bar .container{display:flex;justify-content:space-between;align-items:center;padding-top:0;padding-bottom:0;}
.top-bar .top-left span{margin-right:20px;}
.top-bar .top-left i{color:#c8161d;margin-right:6px;}
.top-bar .top-right a{margin-left:15px;color:#666;}
.top-bar .top-right a:hover{color:#c8161d;}
.top-bar .top-right .admin-link{background:#c8161d;color:#fff;padding:4px 12px;border-radius:3px;font-size:12px;margin-left:10px;transition:all 0.3s;}
.top-bar .top-right .admin-link:hover{background:#a01118;transform:translateY(-1px);box-shadow:0 2px 8px rgba(200,22,29,0.3);}

/* ===== 头部Logo+导航 ===== */
.header{background:#fff;box-shadow:0 2px 10px rgba(0,0,0,0.06);position:sticky;top:0;z-index:1000;}
.header .container{display:flex;justify-content:space-between;align-items:center;padding-top:18px;padding-bottom:18px;}
.logo{display:flex;align-items:center;}
.logo .logo-icon{width:52px;height:52px;background:linear-gradient(135deg,#c8161d 0%,#e63946 100%);color:#fff;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:bold;margin-right:14px;box-shadow:0 4px 12px rgba(200,22,29,0.3);}
.logo .logo-text{display:flex;flex-direction:column;}
.logo .logo-text .cn{font-size:22px;font-weight:bold;color:#1a2332;letter-spacing:1px;}
.logo .logo-text .en{font-size:11px;color:#999;letter-spacing:2px;margin-top:2px;}
.nav{display:flex;align-items:center;gap:4px;}
.nav a{padding:12px 18px;color:#333;font-size:15px;font-weight:500;position:relative;}
.nav a::after{content:'';position:absolute;bottom:0;left:50%;width:0;height:3px;background:#c8161d;transition:all 0.3s ease;transform:translateX(-50%);}
.nav a:hover,.nav a.active{color:#c8161d;}
.nav a:hover::after,.nav a.active::after{width:70%;}
.nav a.active{color:#c8161d;}

/* ===== 联系按钮 ===== */
.nav .cta-tel{display:flex;align-items:center;background:#c8161d;color:#fff!important;padding:10px 20px!important;border-radius:6px;margin-left:10px;font-weight:bold;}
.nav .cta-tel:hover{background:#a01118;color:#fff!important;}
.nav .cta-tel::after{display:none;}
.nav .cta-tel .phone-icon{margin-right:8px;font-size:18px;}

/* ===== Banner轮播 ===== */
.banner{position:relative;height:520px;background:linear-gradient(135deg,rgba(26,35,50,0.85) 0%,rgba(200,22,29,0.75) 100%),url('https://images.unsplash.com/photo-1530124566582-a6bc25340ee3?w=1920&q=80') center/cover no-repeat;color:#fff;display:flex;align-items:center;overflow:hidden;}
.banner::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.3);}
.banner .container{position:relative;z-index:2;}
.banner .banner-content{max-width:680px;}
.banner .banner-tag{display:inline-block;background:rgba(255,255,255,0.15);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,0.3);padding:8px 18px;border-radius:30px;font-size:13px;letter-spacing:2px;margin-bottom:25px;}
.banner h1{font-size:48px;font-weight:bold;margin-bottom:22px;line-height:1.4;letter-spacing:1px;text-shadow:0 2px 8px rgba(0,0,0,0.3);}
.banner h1 .highlight{color:#ffd54f;}
.banner .banner-desc{font-size:17px;line-height:2;margin-bottom:35px;opacity:0.95;}
.banner .banner-btns{display:flex;gap:18px;}
.banner .btn{display:inline-block;padding:14px 38px;border-radius:4px;font-size:16px;font-weight:bold;transition:all 0.3s ease;}
.banner .btn-primary{background:#c8161d;color:#fff;box-shadow:0 4px 15px rgba(200,22,29,0.4);}
.banner .btn-primary:hover{background:#fff;color:#c8161d;transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,0.2);}
.banner .btn-outline{background:transparent;color:#fff;border:2px solid #fff;}
.banner .btn-outline:hover{background:#fff;color:#1a2332;}

/* ===== 通用标题 ===== */
.section-title{text-align:center;margin-bottom:50px;}
.section-title .title-en{display:block;font-size:13px;color:#c8161d;letter-spacing:4px;text-transform:uppercase;font-weight:bold;margin-bottom:10px;}
.section-title h2{font-size:32px;color:#1a2332;font-weight:bold;position:relative;display:inline-block;padding-bottom:18px;}
.section-title h2::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:linear-gradient(90deg,#c8161d 0%,#e63946 100%);}
.section-title .subtitle{display:block;margin-top:18px;color:#888;font-size:15px;}

/* ===== 数据统计 ===== */
.stats{background:linear-gradient(135deg,#1a2332 0%,#2c3e50 100%);color:#fff;padding:50px 0;}
.stats .container{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center;}
.stats .stat-item{position:relative;}
.stats .stat-item:not(:last-child)::after{content:'';position:absolute;right:-15px;top:15%;height:70%;width:1px;background:rgba(255,255,255,0.15);}
.stats .stat-num{font-size:42px;font-weight:bold;color:#ffd54f;line-height:1.2;}
.stats .stat-num .unit{font-size:20px;margin-left:4px;}
.stats .stat-label{font-size:15px;opacity:0.85;margin-top:8px;}

/* ===== 业务服务卡片 ===== */
.service-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.service-list .item{background:#fff;border:1px solid #eaeaea;border-radius:10px;padding:35px 25px;transition:all 0.4s ease;position:relative;overflow:hidden;}
.service-list .item::before{content:'';position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,#c8161d 0%,#e63946 100%);transform:scaleX(0);transform-origin:left;transition:transform 0.4s ease;}
.service-list .item:hover{transform:translateY(-8px);box-shadow:0 15px 40px rgba(0,0,0,0.08);border-color:transparent;}
.service-list .item:hover::before{transform:scaleX(1);}
.service-list .icon{width:400px;height:400px;background:linear-gradient(135deg,#1a2332 0%,#c8161d 100%);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:60px;margin-bottom:20px;color:#fff;transition:all 0.4s ease;overflow:hidden;}
.service-list .icon img{width:100%;height:100%;object-fit:cover;}
.service-list .item:hover .icon{transform:scale(1.02);box-shadow:0 8px 25px rgba(0,0,0,0.15);}
.service-list h3{font-size:19px;color:#1a2332;font-weight:bold;margin-bottom:14px;}
.service-list .item p{color:#666;font-size:14px;line-height:1.9;text-indent:0;margin-bottom:18px;}
.service-list .more{display:inline-block;color:#c8161d;font-size:13px;font-weight:500;}
.service-list .more::after{content:' →';transition:margin 0.3s ease;}
.service-list .item:hover .more::after{margin-left:6px;}

/* ===== 文本段落 ===== */
.text-content p{font-size:15px;color:#555;line-height:2;text-indent:2em;margin-bottom:15px;}
.text-content p.no-indent{text-indent:0;}
.features-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px;margin:25px 0;}
.feature-item{display:flex;align-items:center;font-size:15px;color:#333;}
.feature-item .feature-check{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;background:#c8161d;color:#fff;border-radius:50%;font-size:12px;margin-right:10px;flex-shrink:0;}

/* ===== 关于我们 ===== */
.about-box{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
.about-img{position:relative;}
.about-img .main-img{width:100%;height:420px;border-radius:10px;object-fit:cover;display:block;}
.about-img div.main-img{background:none !important;}
.about-img .main-img::before,.about-img .main-img::after{display:none !important;content:none !important;}
.about-img .exp-badge{position:absolute;bottom:-25px;right:-25px;background:#fff;padding:25px 30px;border-radius:10px;box-shadow:0 10px 30px rgba(0,0,0,0.1);text-align:center;}
.about-img .exp-badge .num{font-size:36px;font-weight:bold;color:#c8161d;line-height:1;}
.about-img .exp-badge .text{font-size:13px;color:#666;margin-top:6px;}
.about-text h2{font-size:30px;color:#1a2332;font-weight:bold;margin-bottom:8px;}
.about-text .en-title{color:#c8161d;font-size:14px;letter-spacing:3px;margin-bottom:25px;text-transform:uppercase;}
.about-text .divider{width:50px;height:3px;background:#c8161d;margin-bottom:25px;}
.about-text p{color:#666;font-size:15px;line-height:2;text-indent:0;margin-bottom:15px;}
.about-features{margin-top:25px;display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.about-features li{display:flex;align-items:center;color:#333;font-size:14px;}
.about-features li::before{content:'✓';display:inline-flex;width:24px;height:24px;background:#c8161d;color:#fff;border-radius:50%;justify-content:center;align-items:center;font-size:13px;margin-right:10px;flex-shrink:0;}

/* ===== 优势列表 ===== */
.advantage-list{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;}
.advantage-list .adv-item{text-align:center;padding:35px 20px;}
.advantage-list .adv-icon{width:80px;height:80px;background:linear-gradient(135deg,#fff4e6 0%,#ffe4c4 100%);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:36px;color:#c8161d;margin:0 auto 20px;transition:all 0.3s ease;}
.advantage-list .adv-item:hover .adv-icon{background:linear-gradient(135deg,#c8161d 0%,#e63946 100%);color:#fff;transform:scale(1.1);}
.advantage-list h3{font-size:18px;color:#1a2332;font-weight:bold;margin-bottom:12px;}
.advantage-list p{color:#888;font-size:14px;line-height:1.8;text-indent:0;}

/* ===== 案例列表 ===== */
.case-list{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.case-item{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,0.05);transition:all 0.3s ease;}
.case-item:hover{transform:translateY(-5px);box-shadow:0 12px 30px rgba(0,0,0,0.12);}
.case-item .case-img{height:200px;background:linear-gradient(135deg,#1a2332 0%,#c8161d 100%);position:relative;display:flex;align-items:center;justify-content:center;font-size:50px;color:#fff;overflow:hidden;}
.case-item .case-img img{width:100%;height:100%;object-fit:cover;}
.case-item .case-img::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.2);}
.case-item .case-img span{position:relative;z-index:1;}
.case-text{padding:22px;}
.case-text h3{font-size:17px;color:#1a2332;font-weight:bold;margin-bottom:12px;}
.case-text .case-tag{display:inline-block;background:#fff4e6;color:#c8161d;padding:3px 10px;border-radius:3px;font-size:12px;margin-bottom:10px;}
.case-text p{color:#666;font-size:13px;line-height:1.8;text-indent:0;}
.case-text .case-more{display:inline-block;color:#c8161d;font-size:13px;margin-top:12px;font-weight:500;transition:all 0.3s;}
.case-text .case-more:hover{padding-left:8px;}
.case-link{text-decoration:none;color:#333;}
.case-link:hover .case-item{transform:translateY(-5px);box-shadow:0 12px 30px rgba(0,0,0,0.12);}

/* ===== 新闻列表 ===== */
.news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.news-item{background:#fff;border:1px solid #eaeaea;border-radius:8px;padding:25px;transition:all 0.3s ease;}
.news-item:hover{border-color:#c8161d;box-shadow:0 8px 20px rgba(0,0,0,0.06);}
.news-item .news-date{display:inline-block;color:#c8161d;font-size:13px;margin-bottom:10px;font-weight:500;}
.news-item h3{font-size:17px;color:#1a2332;font-weight:bold;margin-bottom:12px;line-height:1.5;}
.news-item p{color:#666;font-size:13px;line-height:1.8;text-indent:0;}

/* ===== FAQ ===== */
.faq-item{margin:18px 0;border:1px solid #eaeaea;border-radius:6px;overflow:hidden;background:#fff;transition:all 0.3s ease;}
.faq-item:hover{border-color:#c8161d;box-shadow:0 4px 12px rgba(0,0,0,0.06);}
.faq-title{padding:18px 25px;background:#fff;font-weight:bold;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:#1a2332;font-size:15px;}
.faq-title::before{content:'Q';display:inline-flex;width:28px;height:28px;background:#c8161d;color:#fff;border-radius:50%;justify-content:center;align-items:center;font-size:14px;margin-right:12px;font-weight:bold;}
.faq-title .arrow{color:#c8161d;transition:transform 0.3s ease;font-size:18px;}
.faq-item.active .faq-title .arrow{transform:rotate(180deg);}
.faq-content{padding:0 25px 20px 65px;color:#666;font-size:14px;line-height:1.9;display:none;}
.faq-content p{text-indent:0;margin:0;}
.faq-item.active .faq-content{display:block;}

/* ===== CTA 区域 ===== */
.cta-section{background:linear-gradient(135deg,#c8161d 0%,#e63946 100%);color:#fff;padding:55px 0;text-align:center;}
.cta-section .cta-content h2{font-size:32px;font-weight:bold;margin-bottom:12px;color:#fff;}
.cta-section .cta-content p{font-size:16px;opacity:0.95;margin-bottom:25px;text-indent:0;}
.cta-section .btn{display:inline-block;padding:14px 40px;background:#fff;color:#c8161d;border-radius:4px;font-size:16px;font-weight:bold;transition:all 0.3s ease;}
.cta-section .btn:hover{background:#1a2332;color:#fff;transform:translateY(-2px);}

/* ===== 表单 ===== */
.form-box{max-width:560px;margin:0 auto;}
.form-box .form-group{margin-bottom:18px;}
.form-box label{display:block;font-size:14px;color:#666;margin-bottom:8px;font-weight:500;}
.form-box label .required{color:#c8161d;margin-left:4px;}
.form-box input,.form-box textarea,.form-box select{width:100%;padding:12px 15px;border:1px solid #ddd;border-radius:4px;font-size:14px;font-family:inherit;transition:all 0.3s ease;background:#fff;}
.form-box input:focus,.form-box textarea:focus,.form-box select:focus{border-color:#c8161d;outline:none;box-shadow:0 0 0 3px rgba(200,22,29,0.1);}
.form-box textarea{height:120px;resize:vertical;}
.form-box button{width:100%;padding:14px;background:linear-gradient(135deg,#c8161d 0%,#e63946 100%);color:#fff;border:none;border-radius:4px;font-size:16px;font-weight:bold;cursor:pointer;transition:all 0.3s ease;letter-spacing:2px;}
.form-box button:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(200,22,29,0.4);}

/* ===== 联系信息 ===== */
.contact-info{display:grid;grid-template-columns:repeat(2,1fr);gap:25px;margin-top:40px;}
.contact-info .info-item{display:flex;align-items:flex-start;padding:25px;background:#fff;border-radius:8px;border:1px solid #eaeaea;transition:all 0.3s ease;}
.contact-info .info-item:hover{border-color:#c8161d;box-shadow:0 6px 15px rgba(0,0,0,0.06);}
.contact-info .info-icon{width:50px;height:50px;background:linear-gradient(135deg,#c8161d 0%,#e63946 100%);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;margin-right:18px;flex-shrink:0;}
.contact-info .info-content h4{font-size:15px;color:#999;margin-bottom:5px;font-weight:500;}
.contact-info .info-content p{font-size:16px;color:#1a2332;font-weight:bold;text-indent:0;margin:0;}

/* ===== 页脚 ===== */
.footer{background:#1a2332;color:#999;padding:60px 0 25px;}
.footer .footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:50px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,0.08);}
.footer .footer-col h3{color:#fff;font-size:17px;margin-bottom:22px;font-weight:bold;position:relative;padding-bottom:12px;}
.footer .footer-col h3::after{content:'';position:absolute;bottom:0;left:0;width:36px;height:2px;background:#c8161d;}
.footer .footer-col p{text-indent:0;color:#999;font-size:14px;line-height:2;margin-bottom:6px;}
.footer .footer-col ul li{margin-bottom:10px;}
.footer .footer-col ul li a{color:#999;font-size:14px;}
.footer .footer-col ul li a:hover{color:#fff;padding-left:5px;}
.footer .footer-about .footer-logo{display:flex;align-items:center;margin-bottom:20px;}
.footer .footer-about .footer-logo .logo-icon{width:42px;height:42px;background:linear-gradient(135deg,#c8161d 0%,#e63946 100%);color:#fff;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:bold;margin-right:12px;}
.footer .footer-about .footer-logo .logo-name{color:#fff;font-size:18px;font-weight:bold;}
.footer .contact-line{display:flex;align-items:center;margin-bottom:12px;font-size:14px;}
.footer .contact-line .icon{color:#c8161d;margin-right:10px;font-size:16px;}
.footer .qr-code{width:100px;height:100px;background:#fff;border-radius:4px;display:flex;align-items:center;justify-content:center;color:#1a2332;font-size:12px;margin-top:10px;}
.footer .qr-code-wrap{margin-top:10px;}
.footer .qr-code-img{width:100px;height:100px;background:#fff;border-radius:4px;padding:4px;box-sizing:border-box;}
.footer .qr-code-img img{width:100%;height:100%;object-fit:contain;}
.footer .qr-code-text{font-size:12px;color:#999;margin-top:6px;text-align:left;width:100px;}
.footer .footer-bottom{padding-top:25px;text-align:center;color:#666;font-size:13px;}
.footer .footer-bottom p{text-indent:0;margin:5px 0;}
.footer .footer-bottom .beian-link a{color:#999;text-decoration:none;}
.footer .footer-bottom .links a{color:#666;margin:0 8px;}
.footer .footer-bottom .links a:hover{color:#fff;}

/* ===== 移动端自适应 ===== */
@media(max-width:1200px){
.container{width:95%;}
.service-list{grid-template-columns:repeat(2,1fr);}
.advantage-list{grid-template-columns:repeat(2,1fr);}
.case-list,.news-list{grid-template-columns:repeat(2,1fr);}
.about-box{grid-template-columns:1fr;gap:40px;}
.stats .container{grid-template-columns:repeat(2,1fr);gap:40px 20px;}
.stats .stat-item::after{display:none;}
}
@media(max-width:768px){
.section{padding:50px 0;}
.banner{height:420px;}
.banner h1{font-size:30px;}
.banner .banner-desc{font-size:14px;}
.banner .banner-btns{flex-direction:column;gap:12px;}
.banner .btn{padding:12px 28px;font-size:14px;text-align:center;}
.section-title h2{font-size:26px;}
.service-list,.case-list,.news-list,.advantage-list{grid-template-columns:1fr;}
.about-features{grid-template-columns:1fr;}
.contact-info{grid-template-columns:1fr;}
.top-bar{display:none;}
.header .container{flex-direction:column;gap:15px;}
.nav{flex-wrap:wrap;justify-content:center;}
.nav a{padding:8px 12px;font-size:13px;}
.footer .footer-top{grid-template-columns:1fr;gap:30px;}
.form-box{width:95%;}
}