:root{
  --bg:#F5F6FA;
  --bg-card:#FFFFFF;
  --bg-alt:#EDEFF5;
  --text:#17202A;
  --text-body:#1F2937;
  --text-sub:#4A5568;
  --text-muted:#5A6472;
  --heading:#0F172A;
  --brand:#C2185B;
  --brand-dark:#8E0E42;
  --brand-light:#F8BBD0;
  --accent:#D81B60;
  --border:#D8DCE6;
  --border-light:#E5E8F0;
  --nav-bg:rgba(26,26,46,0.92);
  --nav-text:#F1F5F9;
  --nav-hover:#F8BBD0;
  --footer-bg:#141428;
  --footer-text:#E2E8F0;
  --footer-sub:#A0AEC0;
  --shadow:0 2px 12px rgba(15,23,42,0.08);
  --shadow-lg:0 8px 30px rgba(15,23,42,0.12);
  --radius:12px;
  --radius-sm:8px;
  --transition:0.3s ease;
  --glass-bg:rgba(255,255,255,0.65);
  --glass-border:rgba(255,255,255,0.5);
}
[data-theme="dark"]{
  --bg:#0F1117;
  --bg-card:#1A1D27;
  --bg-alt:#22252F;
  --text:#F1F5F9;
  --text-body:#E5E7EB;
  --text-sub:#CBD5E1;
  --text-muted:#94A3B8;
  --heading:#FFFFFF;
  --brand:#F06292;
  --brand-dark:#F8BBD0;
  --brand-light:#4A1533;
  --accent:#F06292;
  --border:#2E3342;
  --border-light:#2A2E3A;
  --nav-bg:rgba(10,12,18,0.92);
  --nav-text:#F1F5F9;
  --nav-hover:#F8BBD0;
  --footer-bg:#080A0F;
  --footer-text:#E2E8F0;
  --footer-sub:#94A3B8;
  --shadow:0 2px 12px rgba(0,0,0,0.4);
  --shadow-lg:0 8px 30px rgba(0,0,0,0.5);
  --glass-bg:rgba(26,29,39,0.65);
  --glass-border:rgba(255,255,255,0.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text-body);
  line-height:1.8;
  font-size:16px;
  transition:background var(--transition),color var(--transition);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:var(--brand);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--accent);text-decoration:underline}
img{max-width:100%;height:auto}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{color:var(--heading);line-height:1.4;font-weight:700}
h1{font-size:2rem}
h2{font-size:1.6rem}
h3{font-size:1.25rem}
h4{font-size:1.1rem}
p{color:var(--text-body)}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:60px 0}
.section-alt{background:var(--bg-alt)}
.section-title{text-align:center;margin-bottom:12px}
.section-subtitle{text-align:center;color:var(--text-sub);margin-bottom:40px;font-size:1rem}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 20px;z-index:9999}
.skip-link:focus{left:0}

/* 导航 */
.navbar{
  position:sticky;top:0;z-index:1000;
  background:var(--nav-bg);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 2px 10px rgba(0,0,0,0.25);
  transition:background var(--transition),box-shadow var(--transition);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:1.3rem;font-weight:800;color:var(--nav-text)}
.nav-logo:hover{color:var(--nav-hover);text-decoration:none}
.nav-logo svg{width:36px;height:36px;transition:transform var(--transition)}
.nav-logo:hover svg{transform:rotate(-6deg) scale(1.05)}
.nav-menu{display:flex;gap:6px;align-items:center}
.nav-menu a{
  color:var(--nav-text);padding:8px 14px;border-radius:var(--radius-sm);
  font-size:0.95rem;font-weight:500;transition:all var(--transition);
}
.nav-menu a:hover{background:rgba(248,187,208,0.15);color:var(--nav-hover);text-decoration:none}
.nav-actions{display:flex;align-items:center;gap:10px}
.search-box{display:flex;align-items:center;background:rgba(255,255,255,0.1);border-radius:20px;padding:4px 6px 4px 14px;border:1px solid rgba(255,255,255,0.15);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.search-box input{background:transparent;border:none;outline:none;color:var(--nav-text);font-size:0.9rem;width:140px}
.search-box input::placeholder{color:rgba(241,245,249,0.6)}
.search-box button{background:var(--brand);border:none;border-radius:16px;color:#fff;padding:6px 14px;cursor:pointer;font-size:0.85rem;transition:background var(--transition),transform var(--transition)}
.search-box button:hover{background:var(--accent);transform:scale(1.04)}
.theme-toggle{background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.15);border-radius:50%;width:38px;height:38px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--nav-text);font-size:1.1rem;transition:all var(--transition)}
.theme-toggle:hover{background:rgba(248,187,208,0.2);transform:rotate(20deg)}
.mobile-toggle{display:none;background:transparent;border:none;color:var(--nav-text);font-size:1.5rem;cursor:pointer}

/* Banner */
.banner{position:relative;overflow:hidden;background:linear-gradient(135deg,#1A1A2E 0%,#2D1B3D 50%,#4A1533 100%)}
.banner::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 20% 30%,rgba(194,24,91,0.35),transparent 55%),
             radial-gradient(circle at 80% 70%,rgba(248,187,208,0.2),transparent 55%);
  animation:bannerGlow 12s ease-in-out infinite alternate;
  pointer-events:none;
}
@keyframes bannerGlow{
  0%{opacity:0.7;transform:scale(1)}
  100%{opacity:1;transform:scale(1.08)}
}
.banner-slides{position:relative;height:420px}
.banner-slide{position:absolute;inset:0;opacity:0;transition:opacity 0.8s ease;display:flex;align-items:center;justify-content:center;padding:0 20px}
.banner-slide.active{opacity:1}
.banner-content{max-width:800px;text-align:center;position:relative;z-index:2}
.banner-content h2{color:#FFFFFF;font-size:2.2rem;margin-bottom:16px;text-shadow:0 2px 8px rgba(0,0,0,0.5)}
.banner-content p{color:#F1F5F9;font-size:1.1rem;margin-bottom:24px;text-shadow:0 1px 4px rgba(0,0,0,0.4)}
.banner-btn{display:inline-block;background:var(--brand);color:#fff;padding:12px 32px;border-radius:30px;font-weight:600;font-size:1rem;transition:all var(--transition);border:none;cursor:pointer;box-shadow:0 4px 16px rgba(194,24,91,0.35)}
.banner-btn:hover{background:var(--accent);color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:0 6px 20px rgba(194,24,91,0.4)}
.banner-dots{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:5}
.banner-dots span{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,0.4);cursor:pointer;transition:all var(--transition)}
.banner-dots span.active{background:#F8BBD0;width:28px;border-radius:5px}
.banner-dots span:hover{background:rgba(248,187,208,0.8)}

/* 面包屑 */
.breadcrumb{padding:16px 0;font-size:0.9rem;color:var(--text-sub)}
.breadcrumb a{color:var(--brand)}
.breadcrumb span{color:var(--text-muted)}

/* 品牌介绍 */
.brand-intro{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.brand-text h2{margin-bottom:16px}
.brand-text p{margin-bottom:14px;color:var(--text-body)}
.brand-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:24px}
.stat-item{text-align:center;background:var(--bg-card);border-radius:var(--radius);padding:20px 10px;box-shadow:var(--shadow);border:1px solid var(--border-light);transition:transform var(--transition),box-shadow var(--transition)}
.stat-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.stat-num{font-size:1.8rem;font-weight:800;color:var(--brand)}
.stat-label{font-size:0.85rem;color:var(--text-sub);margin-top:4px}
.brand-visual{display:flex;justify-content:center}
.brand-visual svg{transition:transform var(--transition);filter:drop-shadow(0 8px 24px rgba(26,26,46,0.18))}
.brand-visual:hover svg{transform:translateY(-6px) scale(1.02)}

/* 卡片网格 */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.card{
  background:var(--glass-bg);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);
  border:1px solid var(--glass-border);
  transition:all var(--transition);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--brand-light)}
.card h3{margin-bottom:12px;color:var(--heading)}
.card p{color:var(--text-body);font-size:0.95rem}
.card-icon{width:48px;height:48px;border-radius:10px;background:var(--brand-light);display:flex;align-items:center;justify-content:center;margin-bottom:16px;transition:transform var(--transition)}
.card:hover .card-icon{transform:rotate(-8deg) scale(1.08)}
.card-icon svg{width:26px;height:26px}

/* 产品/服务 */
.product-item{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center;margin-bottom:40px}
.product-item:nth-child(even){direction:rtl}
.product-item:nth-child(even) .product-text{direction:ltr}
.product-text h3{margin-bottom:12px}
.product-text p{margin-bottom:10px;color:var(--text-body)}
.product-tag{display:inline-block;background:var(--brand-light);color:var(--brand-dark);padding:4px 12px;border-radius:20px;font-size:0.8rem;font-weight:600;margin-bottom:12px}
[data-theme="dark"] .product-tag{color:#F8BBD0}

/* 解决方案 */
.solution-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.solution-item{
  background:var(--glass-bg);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-radius:var(--radius);padding:24px;border-left:4px solid var(--brand);
  box-shadow:var(--shadow);border-top:1px solid var(--glass-border);
  border-right:1px solid var(--glass-border);
  border-bottom:1px solid var(--glass-border);
  transition:all var(--transition);
}
.solution-item:hover{transform:translateX(6px);box-shadow:var(--shadow-lg)}
.solution-item h4{margin-bottom:10px;color:var(--heading)}
.solution-item p{color:var(--text-body);font-size:0.92rem}

/* 案例 */
.case-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px}
.case-card{background:var(--bg-card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--border-light);transition:all var(--transition)}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.case-body{padding:24px}
.case-body h4{margin-bottom:10px;color:var(--heading)}
.case-body p{color:var(--text-body);font-size:0.92rem;margin-bottom:10px}
.case-meta{font-size:0.82rem;color:var(--text-muted)}

/* 评价 */
.review-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.review-card{
  background:var(--glass-bg);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);
  border:1px solid var(--glass-border);
  transition:all var(--transition);
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.review-text{font-style:italic;color:var(--text-body);margin-bottom:16px;position:relative;padding-left:20px}
.review-text::before{content:'"';position:absolute;left:0;top:-8px;font-size:2.5rem;color:var(--brand-light);font-family:Georgia,serif;line-height:1}
.review-author{display:flex;align-items:center;gap:12px}
.review-avatar{width:42px;height:42px;border-radius:50%;background:var(--brand-light);display:flex;align-items:center;justify-content:center;color:var(--brand-dark);font-weight:700}
[data-theme="dark"] .review-avatar{color:#F8BBD0}
.review-name{font-weight:600;color:var(--heading);font-size:0.95rem}
.review-role{font-size:0.82rem;color:var(--text-muted)}

/* 新闻/文章 */
.news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:24px}
.news-card{background:var(--bg-card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--border-light);transition:all var(--transition);display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--brand-light)}
.news-body{padding:24px;flex:1;display:flex;flex-direction:column}
.news-cat{display:inline-block;font-size:0.78rem;font-weight:600;color:var(--brand);margin-bottom:10px}
.news-body h4{margin-bottom:10px;color:var(--heading);font-size:1.05rem;transition:color var(--transition)}
.news-card:hover .news-body h4{color:var(--brand)}
.news-body p{color:var(--text-body);font-size:0.9rem;flex:1}
.news-meta{display:flex;justify-content:space-between;align-items:center;margin-top:16px;font-size:0.82rem;color:var(--text-muted)}
.news-more{color:var(--brand);font-weight:600;transition:transform var(--transition)}
.news-card:hover .news-more{transform:translateX(4px)}

/* FAQ */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{background:var(--bg-card);border-radius:var(--radius);margin-bottom:12px;box-shadow:var(--shadow);border:1px solid var(--border-light);overflow:hidden;transition:border-color var(--transition)}
.faq-item:hover{border-color:var(--brand-light)}
.faq-q{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;cursor:pointer;font-weight:600;color:var(--heading);font-size:1rem;transition:background var(--transition)}
.faq-q:hover{background:var(--bg-alt)}
.faq-q .arrow{transition:transform var(--transition);color:var(--brand);font-size:1.2rem;flex-shrink:0;margin-left:12px}
.faq-item.open .faq-q .arrow{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 0.4s ease,padding 0.3s ease;padding:0 24px}
.faq-item.open .faq-a{max-height:600px;padding:0 24px 20px}
.faq-a p{color:var(--text-body);font-size:0.95rem;line-height:1.9}

/* HowTo */
.howto-steps{max-width:900px;margin:0 auto}
.howto-step{display:flex;gap:20px;margin-bottom:28px;background:var(--bg-card);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);border:1px solid var(--border-light);transition:all var(--transition)}
.howto-step:hover{transform:translateX(6px);box-shadow:var(--shadow-lg)}
.step-num{flex-shrink:0;width:44px;height:44px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.1rem;box-shadow:0 4px 12px rgba(194,24,91,0.3)}
.step-content h4{margin-bottom:8px;color:var(--heading)}
.step-content p{color:var(--text-body);font-size:0.93rem}

/* 联系 */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-info{
  background:var(--glass-bg);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);
  border:1px solid var(--glass-border);
}
.contact-item{display:flex;gap:14px;margin-bottom:20px;align-items:flex-start;transition:transform var(--transition)}
.contact-item:hover{transform:translateX(4px)}
.contact-item svg{flex-shrink:0;margin-top:4px;color:var(--brand)}
.contact-item h4{font-size:0.95rem;margin-bottom:2px;color:var(--heading)}
.contact-item p{color:var(--text-body);font-size:0.9rem}
.contact-form{
  background:var(--glass-bg);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);
  border:1px solid var(--glass-border);
}
.form-group{margin-bottom:18px}
.form-group label{display:block;margin-bottom:6px;font-weight:600;color:var(--heading);font-size:0.9rem}
.form-group input,.form-group textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);color:var(--text-body);font-size:0.95rem;font-family:inherit;transition:border var(--transition),box-shadow var(--transition)}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(194,24,91,0.12)}
.form-group input::placeholder,.form-group textarea::placeholder{color:var(--text-muted)}
.form-btn{background:var(--brand);color:#fff;border:none;padding:12px 32px;border-radius:30px;font-size:1rem;font-weight:600;cursor:pointer;transition:all var(--transition);box-shadow:0 4px 16px rgba(194,24,91,0.3)}
.form-btn:hover{background:var(--accent);transform:translateY(-2px);box-shadow:0 6px 20px rgba(194,24,91,0.3)}

/* 表格 */
.table-wrap{overflow-x:auto;margin:20px 0;border-radius:var(--radius)}
table{width:100%;border-collapse:collapse;background:var(--bg-card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
th{background:var(--brand);color:#fff;padding:14px 16px;text-align:left;font-weight:600;font-size:0.92rem}
td{padding:12px 16px;border-bottom:1px solid var(--border-light);color:var(--text-body);font-size:0.9rem;transition:background var(--transition)}
tr:last-child td{border-bottom:none}
tr:hover td{background:var(--bg-alt)}

/* 团队 */
.team-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px}
.team-card{
  background:var(--glass-bg);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-radius:var(--radius);padding:28px;text-align:center;box-shadow:var(--shadow);
  border:1px solid var(--glass-border);
  transition:all var(--transition);
}
.team-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.team-avatar{width:80px;height:80px;border-radius:50%;background:var(--brand-light);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;color:var(--brand-dark);font-weight:800;font-size:1.5rem;transition:transform var(--transition)}
.team-card:hover .team-avatar{transform:scale(1.08)}
[data-theme="dark"] .team-avatar{color:#F8BBD0}
.team-card h4{margin-bottom:4px;color:var(--heading)}
.team-role{color:var(--brand);font-size:0.85rem;font-weight:600;margin-bottom:10px}
.team-card p{color:var(--text-body);font-size:0.88rem}

/* 页脚 */
.footer{background:var(--footer-bg);color:var(--footer-text);padding:50px 0 0;position:relative}
.footer::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--brand),var(--accent),var(--brand-light))}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:36px;padding-bottom:36px}
.footer h4{color:#FFFFFF;margin-bottom:16px;font-size:1rem}
.footer p,.footer li{color:var(--footer-sub);font-size:0.88rem;line-height:2}
.footer a{color:var(--footer-text);transition:color var(--transition),padding-left var(--transition)}
.footer a:hover{color:var(--nav-hover);text-decoration:underline;padding-left:4px}
.footer-links li{margin-bottom:2px}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding:20px 0;text-align:center;font-size:0.85rem;color:var(--footer-sub)}
.footer-bottom a{color:var(--footer-sub)}
.footer-bottom a:hover{color:var(--nav-hover)}

/* 返回顶部 */
.back-top{position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;background:var(--brand);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 14px rgba(194,24,91,0.4);opacity:0;visibility:hidden;transition:all var(--transition);z-index:900;font-size:1.2rem}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{background:var(--accent);transform:translateY(-3px);box-shadow:0 8px 22px rgba(194,24,91,0.5)}

/* 滚动动画 */
.reveal{opacity:0;transform:translateY(24px);transition:opacity 0.6s ease,transform 0.6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* 响应式 */
@media(max-width:900px){
  .brand-intro,.product-item,.contact-grid{grid-template-columns:1fr}
  .product-item:nth-child(even){direction:ltr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-menu{display:none;position:absolute;top:64px;left:0;right:0;background:var(--nav-bg);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);flex-direction:column;padding:16px;gap:4px;box-shadow:0 8px 20px rgba(0,0,0,0.3)}
  .nav-menu.open{display:flex}
  .nav-menu a{width:100%;padding:12px 16px}
  .mobile-toggle{display:block}
  .search-box{display:none}
  h1{font-size:1.6rem}
  h2{font-size:1.35rem}
  .banner-content h2{font-size:1.6rem}
  .banner-slides{height:360px}
}
@media(max-width:560px){
  .footer-grid{grid-template-columns:1fr}
  .brand-stats{grid-template-columns:1fr}
  .section{padding:40px 0}
  .banner-slides{height:320px}
  .banner-content h2{font-size:1.35rem}
  .banner-content p{font-size:0.95rem}
  .back-top{right:16px;bottom:16px;width:42px;height:42px}
}

/* 减少动画偏好 */
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}