/* 全局重置与基础样式 */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;font-family:'Segoe UI',system-ui,-apple-system,sans-serif}
:root{--bg:#f8f9fc;--text:#1a1a2e;--primary:#1a1a2e;--secondary:#f0c040;--accent:#e94560;--card:#ffffff;--shadow:0 4px 20px rgba(0,0,0,0.08);--radius:16px;--glass:rgba(255,255,255,0.7);--border:rgba(0,0,0,0.06);--nav-bg:rgba(26,26,46,0.95);--text-light:#ffffff;--text-muted:#6b7280;--gradient-primary:linear-gradient(135deg,#1a1a2e,#16213e,#0f3460);--gradient-accent:linear-gradient(135deg,var(--secondary),#f5a623);--gradient-stats:linear-gradient(135deg,#1a1a2e,#16213e)}
.dark{--bg:#0f0f1a;--text:#e5e7eb;--primary:#16213e;--secondary:#f0c040;--accent:#e94560;--card:#1e1e36;--shadow:0 4px 20px rgba(0,0,0,0.4);--glass:rgba(30,30,54,0.8);--border:rgba(255,255,255,0.08);--nav-bg:rgba(15,15,26,0.98);--text-light:#ffffff;--text-muted:#9ca3af}
body{background:var(--bg);color:var(--text);transition:background 0.3s,color 0.3s;overflow-x:hidden;scroll-behavior:smooth;min-height:100vh}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* 头部导航栏 */
header{position:fixed;top:0;left:0;right:0;z-index:1000;background:var(--nav-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);transition:background 0.3s,backdrop-filter 0.3s}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 20px;max-width:1200px;margin:0 auto}
.logo{display:flex;align-items:center;gap:8px;font-size:24px;font-weight:800;color:var(--secondary);letter-spacing:1px;cursor:default}
.logo svg{width:32px;height:32px;flex-shrink:0}
.logo span{background:var(--gradient-accent);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
nav{display:flex;align-items:center;gap:24px}
nav a{color:var(--text-light);font-size:14px;font-weight:500;padding:6px 0;position:relative;transition:color 0.3s,opacity 0.3s;opacity:0.85;white-space:nowrap}
nav a:hover,nav a.active{opacity:1;color:var(--secondary)}
nav a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--secondary);transition:width 0.3s ease}
nav a:hover::after,nav a.active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.theme-toggle{background:none;border:1px solid var(--border);color:var(--text-light);width:36px;height:36px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background 0.3s,transform 0.2s;font-size:18px;line-height:1}
.theme-toggle:hover{background:rgba(255,255,255,0.1);transform:scale(1.05)}
.btn-primary{background:var(--gradient-accent);color:#1a1a2e;border:none;padding:10px 24px;border-radius:30px;font-weight:700;font-size:14px;cursor:pointer;transition:transform 0.3s,box-shadow 0.3s;box-shadow:0 4px 15px rgba(240,192,64,0.3);white-space:nowrap}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(240,192,64,0.4)}
.btn-outline{background:transparent;border:2px solid var(--secondary);color:var(--secondary);padding:10px 24px;border-radius:30px;font-weight:700;font-size:14px;cursor:pointer;transition:all 0.3s;white-space:nowrap}
.btn-outline:hover{background:var(--secondary);color:#1a1a2e}
.hamburger{display:none;background:none;border:none;color:var(--text-light);font-size:28px;cursor:pointer;padding:4px;line-height:1}

/* 移动端导航 */
.mobile-nav{position:fixed;top:64px;left:0;right:0;background:var(--nav-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);padding:20px;display:none;flex-direction:column;gap:16px;border-bottom:1px solid var(--border);z-index:999;max-height:calc(100vh - 64px);overflow-y:auto}
.mobile-nav a{color:var(--text-light);font-size:16px;padding:8px 0;border-bottom:1px solid var(--border);opacity:0.85;transition:opacity 0.3s,color 0.3s}
.mobile-nav a:hover{opacity:1;color:var(--secondary)}
.mobile-nav.open{display:flex}

/* 英雄区/横幅 */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden;padding-top:64px;background:var(--gradient-primary)}
.hero-slide{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity 1s ease;background:var(--gradient-primary)}
.hero-slide.active{opacity:1}
.hero-slide .bg-pattern{position:absolute;inset:0;background:radial-gradient(circle at 30% 40%,rgba(240,192,64,0.08) 0%,transparent 60%),radial-gradient(circle at 70% 60%,rgba(233,69,96,0.06) 0%,transparent 50%);z-index:0;pointer-events:none}
.hero-content{position:relative;z-index:2;text-align:center;padding:40px 20px;max-width:800px}
.hero-content h1{font-size:clamp(2.2rem,6vw,4rem);color:#ffffff;font-weight:900;line-height:1.2;margin-bottom:16px;text-shadow:0 2px 20px rgba(0,0,0,0.3)}
.hero-content h1 span{background:var(--gradient-accent);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-content p{font-size:clamp(1rem,2vw,1.2rem);color:rgba(255,255,255,0.8);margin-bottom:32px;line-height:1.7;max-width:650px;margin-left:auto;margin-right:auto}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.hero-dots{position:absolute;bottom:40px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:5}
.hero-dots span{width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,0.3);cursor:pointer;transition:all 0.3s ease}
.hero-dots span.active{background:var(--secondary);transform:scale(1.3)}

/* 通用区块 */
section{padding:80px 0}
.section-title{text-align:center;margin-bottom:48px}
.section-title h2{font-size:clamp(1.6rem,4vw,2.4rem);font-weight:800;color:var(--text);position:relative;display:inline-block}
.section-title h2::after{content:'';display:block;width:60px;height:4px;background:linear-gradient(90deg,var(--secondary),var(--accent));margin:12px auto 0;border-radius:4px}
.section-title p{color:var(--text-muted);margin-top:12px;font-size:1rem;line-height:1.5}

/* 网格与卡片 */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.card{background:var(--card);border-radius:var(--radius);padding:32px 24px;box-shadow:var(--shadow);border:1px solid var(--border);transition:transform 0.3s,box-shadow 0.3s;text-align:center;opacity:0;transform:translateY(20px)}
.card.visible{opacity:1;transform:translateY(0)}
.card:hover{transform:translateY(-8px);box-shadow:0 12px 40px rgba(0,0,0,0.12)}
.card .icon{font-size:48px;margin-bottom:16px;display:block;line-height:1}
.card h3{font-size:1.2rem;font-weight:700;margin-bottom:8px;color:var(--text)}
.card p{font-size:0.9rem;color:var(--text-muted);line-height:1.6}

/* 统计区块 */
.stats{background:var(--gradient-stats);padding:80px 0;color:#fff}
.stats .section-title h2{color:#fff}
.stats .section-title p{color:rgba(255,255,255,0.7)}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:32px;text-align:center}
.stat-item h3{font-size:2.8rem;font-weight:900;color:var(--secondary);margin-bottom:4px;line-height:1.2}
.stat-item p{font-size:0.95rem;opacity:0.8}

/* FAQ */
.faq-item{background:var(--card);border-radius:12px;margin-bottom:12px;border:1px solid var(--border);overflow:hidden;transition:box-shadow 0.3s}
.faq-item:hover{box-shadow:var(--shadow)}
.faq-question{padding:18px 24px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-weight:600;font-size:1rem;color:var(--text);transition:background 0.3s;user-select:none}
.faq-question:hover{background:rgba(240,192,64,0.05)}
.faq-question .arrow{transition:transform 0.3s;font-size:1.2rem;line-height:1}
.faq-item.open .faq-question .arrow{transform:rotate(180deg)}
.faq-answer{padding:0 24px 18px;color:var(--text-muted);line-height:1.7;display:none;font-size:0.95rem}
.faq-item.open .faq-answer{display:block}

/* 联系信息 */
.contact-info{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;margin-top:32px}
.contact-item{background:var(--card);border-radius:var(--radius);padding:24px;border:1px solid var(--border);text-align:center;transition:transform 0.3s}
.contact-item:hover{transform:translateY(-4px)}
.contact-item .label{font-size:0.85rem;color:var(--text-muted);margin-bottom:4px}
.contact-item .value{font-weight:700;color:var(--text);font-size:0.95rem}

/* 页脚 */
footer{background:#0f0f1a;color:rgba(255,255,255,0.7);padding:60px 0 30px;border-top:1px solid rgba(255,255,255,0.06)}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:32px;margin-bottom:40px}
.footer-col h4{color:#fff;font-size:1rem;font-weight:700;margin-bottom:16px}
.footer-col a{display:block;padding:4px 0;font-size:0.9rem;opacity:0.7;transition:opacity 0.3s,color 0.3s;cursor:pointer}
.footer-col a:hover{opacity:1;color:var(--secondary)}
.footer-bottom{text-align:center;padding-top:24px;border-top:1px solid rgba(255,255,255,0.06);font-size:0.85rem}
.footer-bottom p{line-height:1.6}

/* 面包屑 */
.breadcrumb-wrap{padding-top:80px}
.breadcrumb{background:var(--card);padding:12px 20px;border-radius:8px;margin-bottom:24px;font-size:0.85rem;color:var(--text-muted);border:1px solid var(--border)}
.breadcrumb a{color:var(--secondary);font-weight:500}
.breadcrumb span{margin:0 6px;color:var(--text-muted)}

/* 返回顶部 */
#back-to-top{position:fixed;bottom:30px;right:30px;width:48px;height:48px;border-radius:50%;background:var(--secondary);color:#1a1a2e;border:none;font-size:24px;cursor:pointer;box-shadow:0 4px 15px rgba(240,192,64,0.3);display:none;align-items:center;justify-content:center;z-index:999;transition:transform 0.3s,box-shadow 0.3s;line-height:1}
#back-to-top:hover{transform:scale(1.1);box-shadow:0 6px 20px rgba(240,192,64,0.5)}

/* 搜索框 */
.search-box{display:flex;gap:8px;max-width:400px;margin:0 auto 32px}
.search-box input{flex:1;padding:12px 18px;border-radius:30px;border:1px solid var(--border);background:var(--card);color:var(--text);font-size:0.95rem;outline:none;transition:border 0.3s,box-shadow 0.3s}
.search-box input:focus{border-color:var(--secondary);box-shadow:0 0 0 3px rgba(240,192,64,0.15)}
.search-box button{padding:12px 24px;border-radius:30px;background:var(--secondary);color:#1a1a2e;border:none;font-weight:700;cursor:pointer;transition:transform 0.3s,box-shadow 0.3s}
.search-box button:hover{transform:scale(1.05);box-shadow:0 4px 12px rgba(240,192,64,0.3)}

/* 滚动动画 */
.fade-up{opacity:0;transform:translateY(30px);transition:opacity 0.6s ease,transform 0.6s ease}
.fade-up.visible{opacity:1;transform:translateY(0)}

/* 毛玻璃效果 */
.glass{background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:var(--radius)}

/* 团队卡片 */
.team-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:24px}
.team-card{background:var(--card);border-radius:var(--radius);padding:24px;text-align:center;border:1px solid var(--border);transition:transform 0.3s;opacity:0;transform:translateY(20px)}
.team-card.visible{opacity:1;transform:translateY(0)}
.team-card:hover{transform:translateY(-6px)}
.team-card .avatar{width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,var(--secondary),var(--accent));margin:0 auto 12px;display:flex;align-items:center;justify-content:center;font-size:32px;color:#fff;font-weight:700;line-height:1}
.team-card h4{font-weight:700;color:var(--text);margin-bottom:4px;font-size:1.05rem}
.team-card .role{font-size:0.85rem;color:var(--text-muted);margin-bottom:8px}
.team-card p{font-size:0.85rem;color:var(--text-muted);line-height:1.5}

/* 合作伙伴 */
.partner-grid{display:flex;flex-wrap:wrap;gap:24px;justify-content:center;align-items:center}
.partner-item{background:var(--card);border-radius:12px;padding:16px 24px;border:1px solid var(--border);font-weight:600;color:var(--text-muted);transition:all 0.3s;min-width:120px;text-align:center;cursor:default}
.partner-item:hover{color:var(--secondary);border-color:var(--secondary);transform:translateY(-4px)}

/* 时间线 */
.timeline{position:relative;padding-left:30px;border-left:3px solid var(--secondary)}
.timeline-item{margin-bottom:32px;position:relative;padding-left:20px;opacity:0;transform:translateX(-20px);transition:opacity 0.6s,transform 0.6s}
.timeline-item.visible{opacity:1;transform:translateX(0)}
.timeline-item::before{content:'';position:absolute;left:-38px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--secondary);border:3px solid var(--bg);transition:border-color 0.3s}
.timeline-item h4{font-weight:700;color:var(--text);margin-bottom:4px;font-size:1.05rem}
.timeline-item p{color:var(--text-muted);font-size:0.9rem;line-height:1.6}

/* 文章列表 */
.article-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.article-card{background:var(--card);border-radius:var(--radius);padding:24px;border:1px solid var(--border);transition:transform 0.3s;opacity:0;transform:translateY(20px)}
.article-card.visible{opacity:1;transform:translateY(0)}
.article-card:hover{transform:translateY(-6px)}
.article-card .date{font-size:0.8rem;color:var(--text-muted);margin-bottom:8px}
.article-card h3{font-size:1.1rem;font-weight:700;margin-bottom:8px;color:var(--text);line-height:1.4}
.article-card p{font-size:0.9rem;color:var(--text-muted);line-height:1.6}

/* 操作步骤 */
.howto-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px;counter-reset:step}
.howto-step{background:var(--card);border-radius:var(--radius);padding:24px;border:1px solid var(--border);text-align:center;position:relative;opacity:0;transform:translateY(20px);transition:opacity 0.6s,transform 0.6s}
.howto-step.visible{opacity:1;transform:translateY(0)}
.howto-step .step-num{width:40px;height:40px;border-radius:50%;background:var(--secondary);color:#1a1a2e;font-weight:900;display:flex;align-items:center;justify-content:center;margin:0 auto 12px;font-size:1.2rem;line-height:1}
.howto-step h4{font-weight:700;margin-bottom:6px;color:var(--text);font-size:1.05rem}
.howto-step p{font-size:0.9rem;color:var(--text-muted)}

/* EEAT 卡片 */
.eeat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.eeat-card{background:var(--card);border-radius:var(--radius);padding:24px;border:1px solid var(--border);transition:transform 0.3s}
.eeat-card:hover{transform:translateY(-4px)}
.eeat-card h4{font-weight:700;color:var(--text);margin-bottom:8px;font-size:1rem}
.eeat-card p{font-size:0.9rem;color:var(--text-muted);line-height:1.6}

/* 数据展示 */
.data-showcase{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px}
.data-item{background:var(--card);border-radius:12px;padding:20px;text-align:center;border:1px solid var(--border);transition:transform 0.3s}
.data-item:hover{transform:translateY(-4px)}
.data-item .num{font-size:2rem;font-weight:900;color:var(--secondary);line-height:1.2}
.data-item .label{font-size:0.85rem;color:var(--text-muted);margin-top:4px}

/* 解决方案 */
.solution-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.solution-card{background:var(--card);border-radius:var(--radius);padding:24px;border:1px solid var(--border);transition:transform 0.3s;opacity:0;transform:translateY(20px)}
.solution-card.visible{opacity:1;transform:translateY(0)}
.solution-card:hover{transform:translateY(-6px)}
.solution-card h3{font-weight:700;margin-bottom:8px;color:var(--text);font-size:1.1rem}
.solution-card p{font-size:0.9rem;color:var(--text-muted);line-height:1.6}

/* 服务支持 */
.service-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:24px}
.service-card{background:var(--card);border-radius:var(--radius);padding:24px;border:1px solid var(--border);text-align:center;transition:transform 0.3s;opacity:0;transform:translateY(20px)}
.service-card.visible{opacity:1;transform:translateY(0)}
.service-card:hover{transform:translateY(-6px)}
.service-card .icon{font-size:40px;margin-bottom:12px;display:block;line-height:1}
.service-card h4{font-weight:700;margin-bottom:6px;color:var(--text);font-size:1.05rem}
.service-card p{font-size:0.9rem;color:var(--text-muted)}

/* 行业标签 */
.industry-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px}
.industry-item{background:var(--card);border-radius:12px;padding:16px;text-align:center;border:1px solid var(--border);font-weight:600;color:var(--text-muted);transition:all 0.3s;cursor:default}
.industry-item:hover{color:var(--secondary);border-color:var(--secondary);transform:translateY(-4px)}

/* 客户案例 */
.case-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.case-card{background:var(--card);border-radius:var(--radius);padding:24px;border:1px solid var(--border);transition:transform 0.3s;opacity:0;transform:translateY(20px)}
.case-card.visible{opacity:1;transform:translateY(0)}
.case-card:hover{transform:translateY(-6px)}
.case-card h4{font-weight:700;margin-bottom:6px;color:var(--text);font-size:1.05rem}
.case-card p{font-size:0.9rem;color:var(--text-muted);line-height:1.6}
.case-card .tag{display:inline-block;padding:4px 12px;border-radius:20px;background:rgba(240,192,64,0.15);color:var(--secondary);font-size:0.8rem;font-weight:600;margin-top:8px}

/* 客户评价 */
.testimonial-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.testimonial-card{background:var(--card);border-radius:var(--radius);padding:24px;border:1px solid var(--border);transition:transform 0.3s;opacity:0;transform:translateY(20px)}
.testimonial-card.visible{opacity:1;transform:translateY(0)}
.testimonial-card:hover{transform:translateY(-6px)}
.testimonial-card .quote{font-style:italic;color:var(--text-muted);line-height:1.7;margin-bottom:12px;font-size:0.95rem}
.testimonial-card .author{font-weight:700;color:var(--text);font-size:0.95rem}
.testimonial-card .author-role{font-size:0.85rem;color:var(--text-muted);margin-top:2px}

/* 新闻列表 */
.news-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.news-card{background:var(--card);border-radius:var(--radius);padding:24px;border:1px solid var(--border);transition:transform 0.3s;opacity:0;transform:translateY(20px)}
.news-card.visible{opacity:1;transform:translateY(0)}
.news-card:hover{transform:translateY(-6px)}
.news-card .date{font-size:0.8rem;color:var(--text-muted);margin-bottom:6px}
.news-card h3{font-size:1.1rem;font-weight:700;margin-bottom:6px;color:var(--text);line-height:1.4}
.news-card p{font-size:0.9rem;color:var(--text-muted);line-height:1.6}

/* 网站地图 */
.sitemap-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:16px}
.sitemap-col h4{font-weight:700;margin-bottom:12px;color:var(--text);font-size:0.95rem}
.sitemap-col a{display:block;padding:4px 0;font-size:0.85rem;color:var(--text-muted);transition:color 0.3s}
.sitemap-col a:hover{color:var(--secondary)}

/* 注册通道特殊样式 */
#register .section-title h2{color:#fff}
#register .section-title p{color:rgba(255,255,255,0.8)}
#register .btn-primary{font-size:1.2rem;padding:16px 48px}

/* 搜索结果显示 */
#searchResults{text-align:center;color:var(--text-muted);font-size:0.9rem;min-height:24px;line-height:1.5}

/* 响应式设计 */
@media(max-width:768px){
    nav{display:none}
    .hamburger{display:block}
    .header-actions .btn-primary{display:none}
    section{padding:60px 0}
    .hero-content h1{font-size:2rem}
    .hero-content p{font-size:1rem}
    .stats-grid{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:1fr 1fr}
    .timeline{padding-left:20px}
    .timeline-item::before{left:-28px;width:12px;height:12px}
    #back-to-top{bottom:20px;right:20px;width:40px;height:40px;font-size:20px}
}
@media(max-width:480px){
    .grid{grid-template-columns:1fr}
    .stats-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr}
    .hero-content h1{font-size:1.7rem}
    .hero-actions{gap:12px}
    .btn-primary,.btn-outline{padding:10px 20px;font-size:13px}
    .section-title h2{font-size:1.4rem}
    .stat-item h3{font-size:2.2rem}
    .team-grid,.partner-grid,.industry-grid{grid-template-columns:repeat(2,1fr)}
    .partner-item{min-width:100px;padding:12px 16px}
    .search-box{flex-direction:column;gap:10px}
    .search-box input{width:100%}
    #register .btn-primary{font-size:1rem;padding:14px 32px}
}

/* 暗色模式下的特殊调整 */
.dark .breadcrumb a{color:var(--secondary)}
.dark .timeline-item::before{border-color:var(--bg)}
.dark .hero{background:var(--gradient-primary)}
.dark .stats{background:var(--gradient-stats)}
.dark #register{background:var(--gradient-primary)}
.dark .glass{background:var(--glass);border-color:var(--border)}
.dark .mobile-nav{background:var(--nav-bg)}
.dark .hero-slide{background:var(--gradient-primary)}