/* ============ 全局重置 ============ */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'PingFang SC','Microsoft YaHei',Arial,sans-serif;line-height:1.6;color:#333;background-color:#fff;overflow-x:hidden}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ============ 页面滚动渐显动画 ============ */
.reveal {
  opacity: 0;
  transform: translateY(40px) scale(0.95);
  transition: opacity 0.7s cubic-bezier(0.34, 1.56, 0.64, 1), transform 0.7s cubic-bezier(0.34, 1.56, 0.64, 1);
  will-change: opacity, transform;
}
.reveal.in {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* ============ 导航栏 ============ */
.navbar{position:fixed;top:0;width:100%;background:rgba(25,42,86,.95);backdrop-filter:blur(10px);z-index:1000;transition:all .3s ease}
.nav-container{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;justify-content:space-between;align-items:center;height:70px}
.nav-logo{display:flex;align-items:center;color:#fff;font-size:1.5rem;font-weight:bold}
.nav-logo i{margin-right:10px;color:#DAA520;font-size:1.8rem}
.nav-menu{display:flex;list-style:none;align-items:center}
.nav-menu li{margin-left:26px}
.nav-menu a{color:#fff;text-decoration:none;font-weight:500;transition:color .3s ease}
.nav-menu a:hover{color:#DAA520}
.hamburger{display:none;flex-direction:column;cursor:pointer;padding:5px}
.hamburger span{width:25px;height:3px;background:#fff;margin:3px 0;transition:.3s;border-radius:2px}

/* ============ 英雄区域 ============ */
.hero{background:linear-gradient(135deg,#192A56 0%,#273c75 100%);color:#fff;padding:110px 0 60px;min-height:100vh;display:flex;flex-direction:column;justify-content:center}
.hero-content{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.hero-text h1{font-size:3.2rem;font-weight:bold;margin-bottom:14px;background:linear-gradient(45deg,#fff,#DAA520);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.2}
.hero-text h2{font-size:1.5rem;color:#DAA520;margin-bottom:16px;font-weight:500}
.hero-text p{font-size:1.1rem;margin-bottom:28px;color:#e1e8ed;line-height:1.8}
.hero-buttons{display:flex;gap:20px;flex-wrap:wrap}
.btn{display:inline-block;padding:14px 28px;text-decoration:none;border-radius:50px;font-weight:bold;transition:all .3s ease;border:none;cursor:pointer;font-size:1rem;font-family:inherit;text-align:center}
.btn-primary{background:linear-gradient(45deg,#DAA520,#FFD700);color:#192A56;box-shadow:0 4px 15px rgba(218,165,32,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(218,165,32,.4)}
.btn-secondary{background:transparent;color:#fff;border:2px solid #DAA520}
.btn-secondary:hover{background:#DAA520;color:#192A56;transform:translateY(-2px)}

/* 英雄区图片 */
.hero-image{border-radius:20px;overflow:hidden;background:transparent;border:none;display:flex;align-items:center;justify-content:center;box-shadow:0 20px 40px rgba(0,0,0,.3)}
.hero-image img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;display:block;transition:transform .5s ease}
.hero-image:hover img{transform:scale(1.03)}

/* ============ 数字统计区 ============ */
.hero-stats{max-width:1200px;margin:40px auto 0;padding:0 20px;display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.stat-item{background:rgba(255,255,255,.1);padding:26px 20px;border-radius:15px;backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1);transition:all .3s ease}
.stat-item:hover{transform:translateY(-6px);background:rgba(255,255,255,.15)}
.stat-item i{font-size:2.2rem;color:#DAA520;margin-bottom:12px}
.stat-item h3{font-size:2rem;margin-bottom:6px;color:#fff;font-weight:bold}
.stat-item p{color:#e1e8ed;font-size:.95rem}

/* ============ 通用版块 ============ */
section{padding:50px 0;position:relative}
.section-header{text-align:center;margin-bottom:36px}
.section-header h2{font-size:2.2rem;color:#192A56;margin-bottom:16px;position:relative;display:inline-block}
.section-header h2::after{content:'';position:absolute;bottom:-10px;left:50%;transform:translateX(-50%);width:60px;height:4px;background:linear-gradient(45deg,#DAA520,#FFD700);border-radius:2px}
.section-header p{font-size:1.05rem;color:#666;max-width:680px;margin:0 auto}

/* ============ 服务内容 ============ */
.services{background:#f8f9fa}
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px}
.service-card{background:#fff;padding:36px 28px;border-radius:15px;text-align:center;box-shadow:0 10px 30px rgba(0,0,0,.1);transition:all .3s ease;border-top:5px solid #DAA520;display:flex;flex-direction:column}
.service-card:hover{transform:translateY(-10px);box-shadow:0 20px 40px rgba(0,0,0,.15)}
.service-card i{font-size:2.8rem;color:#DAA520;margin-bottom:18px}
.service-card h3{font-size:1.2rem;color:#192A56;margin-bottom:10px;font-weight:bold}
.service-card > p{color:#666;font-size:.95rem;min-height:50px;flex:1}
.service-card ul{list-style:none;margin-top:16px;text-align:left}
.service-card ul li{position:relative;padding-left:22px;margin-bottom:8px;color:#555;font-size:.92rem}
.service-card ul li::before{content:'\f00c';font-family:'Font Awesome 7 Free','Font Awesome 6 Free';font-weight:900;position:absolute;left:0;top:1px;color:#DAA520;font-size:.8rem}

/* ============ 服务优势 ============ */
.advantages{background:#fff}
.advantages-content{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.advantages-image{border-radius:20px;overflow:hidden;background:transparent;border:none;box-shadow:0 20px 40px rgba(0,0,0,.15);display:flex;align-items:center;justify-content:center}
.advantages-image img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;display:block;transition:transform .5s ease}
.advantages-image:hover img{transform:scale(1.03)}
.advantages-list{display:flex;flex-direction:column;gap:18px}
.advantage-item{display:flex;gap:18px;align-items:flex-start;background:#f8f9fa;padding:20px;border-radius:15px;border-left:4px solid #DAA520;transition:all .3s ease}
.advantage-item:hover{transform:translateX(6px);box-shadow:0 10px 25px rgba(0,0,0,.08);background:#fff}
.advantage-item > i{font-size:1.5rem;color:#DAA520;flex:0 0 auto;margin-top:2px}
.advantage-item h3{font-size:1.1rem;color:#192A56;margin-bottom:6px;font-weight:bold}
.advantage-item p{color:#666;font-size:.92rem}

/* ============ 关于我们 ============ */
.about{background:#f8f9fa}
.about-content{display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:start}
.about-text h3{color:#192A56;font-size:1.35rem;margin-bottom:16px;font-weight:bold}
.about-text h3::before{content:'';display:inline-block;width:6px;height:1.1em;background:linear-gradient(#DAA520,#FFD700);margin-right:10px;vertical-align:-2px;border-radius:3px}
.about-text p{color:#555;margin-bottom:14px;line-height:1.9}
.about-points{display:flex;flex-direction:column;gap:14px}
.about-point{display:flex;gap:14px;background:#fff;padding:18px;border-radius:14px;box-shadow:0 8px 24px rgba(0,0,0,.06);border:1px solid rgba(218,165,32,.25);transition:all .3s ease}
.about-point:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(0,0,0,.1)}
.about-point > i{color:#DAA520;font-size:1.3rem;margin-top:4px;flex:0 0 auto}
.about-point h4{color:#192A56;margin-bottom:4px;font-size:1.02rem;font-weight:bold}
.about-point p{color:#666;font-size:.9rem}

/* ============ 产品案例 ============ */
.cases{background:#fff}
.cases-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.case-card{background:#f8f9fa;border-radius:15px;padding:28px;border-top:5px solid #DAA520;transition:all .3s ease;box-shadow:0 8px 24px rgba(0,0,0,.06)}
.case-card:hover{transform:translateY(-8px);box-shadow:0 18px 36px rgba(0,0,0,.12);background:#fff}
.case-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.case-head > i{font-size:1.7rem;color:#DAA520}
.case-tag{font-size:.78rem;color:#192A56;background:rgba(218,165,32,.2);padding:4px 12px;border-radius:20px;white-space:nowrap;border:1px solid rgba(218,165,32,.4)}
.case-card h3{color:#192A56;font-size:1.1rem;margin-bottom:6px;font-weight:bold}
.case-info{list-style:none;margin-top:14px}
.case-info li{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px dashed #e3e7ee;font-size:.92rem}
.case-info li:last-child{border-bottom:none}
.case-info span{color:#777}
.case-info b{color:#192A56}
.case-note{text-align:center;color:#999;font-size:.85rem;margin-top:28px}

/* ============ 新闻资讯 ============ */
.news{background:#f8f9fa}
.news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.news-card{background:#fff;border-radius:15px;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,.08);transition:all .3s ease;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-8px);box-shadow:0 20px 40px rgba(0,0,0,.14)}
.news-thumb{height:130px;background:linear-gradient(135deg,#192A56,#273c75);display:flex;align-items:center;justify-content:center}
.news-thumb i{font-size:2.6rem;color:#DAA520}
.news-body{padding:24px;display:flex;flex-direction:column;flex:1}
.news-date{color:#DAA520;font-size:.85rem;margin-bottom:10px;display:inline-block;font-weight:600}
.news-body h3{color:#192A56;font-size:1.08rem;margin-bottom:10px;line-height:1.5;font-weight:bold}
.news-body p{color:#666;font-size:.9rem;flex:1;margin-bottom:16px}
.news-more{color:#192A56;font-size:.9rem;font-weight:600;text-decoration:none;transition:.3s}
.news-more:hover{color:#DAA520}
.news-more i{margin-left:4px;font-size:.8rem}

/* ============ 常见问题 ============ */
.faq{background:#fff}
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:#f8f9fa;border-radius:12px;border-left:4px solid #DAA520;overflow:hidden;transition:box-shadow .3s}
.faq-item:hover{box-shadow:0 8px 22px rgba(0,0,0,.07)}
.faq-question{padding:18px 22px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;font-weight:600;color:#192A56;user-select:none;font-size:1rem}
.faq-question::after{content:'\2b';font-size:1.3rem;color:#DAA520;line-height:1;transition:transform .3s}
.faq-question.active::after{content:'\2212'}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 22px;color:#666;font-size:.94rem}
.faq-answer.active{max-height:400px;padding:0 22px 20px}

/* ============ 客户评价 ============ */
.testimonials{background:#f8f9fa}
.testimonials-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.testimonial-card{background:#fff;padding:32px 28px;border-radius:15px;box-shadow:0 10px 30px rgba(0,0,0,.08);transition:all .3s ease;border-top:4px solid #DAA520}
.testimonial-card:hover{transform:translateY(-6px);box-shadow:0 18px 36px rgba(0,0,0,.12)}
.testimonial-card .stars{color:#FFD700;margin-bottom:14px;font-size:.95rem}
.testimonial-card > p{color:#555;font-style:italic;margin-bottom:20px;line-height:1.8}
.testimonial-user{display:flex;align-items:center;gap:12px}
.avatar{width:46px;height:46px;border-radius:50%;background:linear-gradient(45deg,#192A56,#273c75);color:#DAA520;display:flex;align-items:center;justify-content:center;font-weight:bold;font-size:1.05rem;flex:0 0 auto;border:1px solid #DAA520}
.testimonial-user h4{color:#192A56;font-size:1rem;font-weight:bold}
.testimonial-user span{color:#999;font-size:.85rem}

/* ============ 页脚 ============ */
footer{background:#0f1c3f;color:#c9d4e8;padding:50px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.1fr;gap:40px;margin-bottom:30px}
.footer-col h4{color:#fff;margin-bottom:16px;font-size:1.05rem;font-weight:bold}
.footer-col h4 i{color:#DAA520;margin-right:8px}
.footer-col p{font-size:.92rem;line-height:1.9;color:#a9b8d4}
.footer-col ul{list-style:none}
.footer-col li{font-size:.92rem;line-height:2;color:#a9b8d4}
.footer-col li i{color:#DAA520;width:18px;margin-right:6px}
.footer-col a{color:#a9b8d4;text-decoration:none;transition:color .3s}
.footer-col a:hover{color:#DAA520}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;text-align:center;font-size:.85rem;color:#8b9cbd}
.footer-bottom p{margin-bottom:6px}
.footer-note{color:#7f8fb0;font-size:.8rem}

/* ============ 右侧悬浮按钮组 ============ */
.float-btn-group{position:fixed;right:30px;top:150px;bottom:30px;z-index:9998;display:flex;flex-direction:column;justify-content:space-between;pointer-events:none}
.float-top{display:flex;flex-direction:column;gap:12px;pointer-events:auto}
.float-bottom{display:flex;flex-direction:column;gap:12px;align-items:flex-end;pointer-events:auto}

/* 返回顶部 */
.back-to-top{width:50px;height:50px;border-radius:50%;background:linear-gradient(45deg,#DAA520,#FFD700);color:#192A56;border:1px solid #fff;cursor:pointer;font-size:1.1rem;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transform:translateY(20px);transition:all .3s ease;box-shadow:0 6px 20px rgba(218,165,32,.4)}
.back-to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{transform:translateY(-4px);box-shadow:0 10px 26px rgba(218,165,32,.6)}

/* 电话悬浮 */
.tel-float{display:flex;flex-direction:row-reverse;align-items:center;gap:10px}
.tel-float-btn{width:50px;height:50px;border-radius:50%;background:linear-gradient(45deg,#DAA520,#FFD700);color:#192A56;border:2px solid #fff;display:flex;align-items:center;justify-content:center;font-size:1.3rem;cursor:pointer;box-shadow:0 8px 24px rgba(218,165,32,.4);transition:all .3s ease;text-decoration:none}
.tel-float-btn:hover{transform:translateY(-4px) scale(1.05);box-shadow:0 12px 30px rgba(218,165,32,.6)}
.tel-float-label{background:#fff;color:#192A56;font-size:.85rem;font-weight:bold;padding:8px 14px;border-radius:8px;box-shadow:0 4px 16px rgba(0,0,0,.15);border:1px solid #DAA520;white-space:nowrap;opacity:0;transform:translateX(10px);transition:.3s;pointer-events:none}
.tel-float:hover .tel-float-label{opacity:1;transform:translateX(0)}

/* 微信悬浮 */
.wx-float{display:flex;flex-direction:column;align-items:flex-end;gap:12px}
.wx-float-btn{width:50px;height:50px;border-radius:50%;background:linear-gradient(45deg,#07c160,#059e4d);color:#fff;border:2px solid #fff;display:flex;align-items:center;justify-content:center;font-size:1.4rem;cursor:pointer;box-shadow:0 8px 24px rgba(7,193,96,.4);transition:all .3s ease;animation:wxPulse 2s infinite}
.wx-float-btn:hover{transform:translateY(-4px) scale(1.05);box-shadow:0 12px 30px rgba(7,193,96,.6)}
@keyframes wxPulse{0%{box-shadow:0 0 0 0 rgba(7,193,96,.5)}70%{box-shadow:0 0 0 16px rgba(7,193,96,0)}100%{box-shadow:0 0 0 0 rgba(7,193,96,0)}}
.wx-float-panel{position:absolute;right:0;bottom:65px;width:230px;background:#fff;border-radius:14px;box-shadow:0 16px 40px rgba(0,0,0,.28);padding:18px;text-align:center;border:1px solid #DAA520;opacity:0;visibility:hidden;transform:translateY(10px) scale(.96);transition:all .3s ease;transform-origin:bottom right}
.wx-float-panel.show{opacity:1;visibility:visible;transform:translateY(0) scale(1)}
.wx-title{font-size:1rem;font-weight:bold;color:#192A56;margin-bottom:4px}
.wx-title i{color:#07c160;margin-right:6px}
.wx-sub{font-size:.78rem;color:#999;margin-bottom:12px}
.wx-qr-box{width:100%;height:150px;border-radius:10px;border:1px dashed #DAA520;background:#f8f9fa;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#bbb;font-size:.75rem;margin-bottom:12px;overflow:hidden}
.wx-qr-box img{width:100%;height:100%;object-fit:contain;display:block}
.wx-qr-box i{font-size:2rem;color:#d8cfc2;margin-bottom:6px}
.wx-number{font-size:1rem;font-weight:bold;color:#192A56;letter-spacing:.5px;margin-bottom:10px;user-select:all}
.wx-copy-btn{display:block;width:100%;padding:10px 0;border-radius:8px;background:linear-gradient(45deg,#DAA520,#FFD700);color:#192A56;border:none;font-size:.9rem;font-weight:600;cursor:pointer;transition:.3s;font-family:inherit;border:1px solid #fff}
.wx-copy-btn:hover{filter:brightness(1.12)}
.wx-copy-btn.copied{background:linear-gradient(45deg,#07c160,#059e4d);color:#fff}
.wx-panel-close{position:absolute;top:6px;right:10px;color:#bbb;font-size:1rem;cursor:pointer;line-height:1}
.wx-float-panel{position:absolute}

/* ============ 响应式 ============ */
@media(max-width:992px){
  .hero-content{grid-template-columns:1fr;gap:40px;text-align:center}
  .hero-text h1{font-size:2.7rem}
  .hero-buttons{justify-content:center}
  .hero-image{order:-1;max-width:600px;margin:0 auto}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:20px}
  .advantages-content,.about-content{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:900px){
  .hamburger{display:flex}
  .nav-menu{position:fixed;top:70px;left:0;width:100%;background:rgba(25,42,86,.98);flex-direction:column;align-items:flex-start;padding:0 20px;max-height:0;overflow:hidden;transition:max-height .35s ease}
  .nav-menu.active{max-height:520px;overflow-y:auto;padding:10px 20px 20px}
  .nav-menu li{margin:0;width:100%;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav-menu li:last-child{border-bottom:none}
  .nav-menu a{display:block;padding:14px 0}
  .hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,6px)}
  .hamburger.active span:nth-child(2){opacity:0}
  .hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-6px)}
}
@media(max-width:768px){
  section{padding:40px 0}
  .hero{padding:110px 0 50px;min-height:auto}
  .hero-text h1{font-size:2.1rem}
  .hero-text h2{font-size:1.25rem}
  .hero-text p{font-size:1rem;margin-bottom:30px}
  .section-header h2{font-size:1.9rem}
  .section-header p{font-size:1rem}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  
  .float-btn-group{right:16px;top:88px;bottom:16px}
  .back-to-top{width:44px;height:44px}
  .tel-float-btn{width:44px;height:44px;font-size:1.1rem}
  .tel-float-label{display:none}
  .wx-float-btn{width:44px;height:44px;font-size:1.2rem}
  .wx-float-panel{width:210px}

  .services-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .service-card{padding:22px 12px}
  .service-card i{font-size:2rem;margin-bottom:12px}
  .service-card h3{font-size:.95rem;margin-bottom:6px}
  .service-card > p{font-size:.75rem;min-height:auto;margin-bottom:8px}
  .service-card ul li{font-size:.72rem;padding-left:18px;margin-bottom:4px}
  .service-card ul li::before{font-size:.65rem}
}
@media(max-width:400px){
  .services-grid{gap:10px}
  .service-card{padding:16px 8px}
  .service-card h3{font-size:.88rem}
}