/* 全局重置与基础 */
*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;font-size:16px}body{font-family:'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;background:#f0f2f5;color:#1a1a2e;line-height:1.7;transition:background .3s,color .3s}body.dark{background:#0f0f1a;color:#e0e0e0}a{text-decoration:none;color:inherit}ul{list-style:none}img{display:block;max-width:100%;height:auto}.container{max-width:1200px;margin:0 auto;padding:0 20px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

/* 毛玻璃效果 */
.glass{background:rgba(255,255,255,.7);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.3);border-radius:20px;box-shadow:0 8px 32px rgba(0,0,0,.08)}body.dark .glass{background:rgba(20,20,40,.7);border-color:rgba(255,255,255,.08);box-shadow:0 8px 32px rgba(0,0,0,.3)}

/* 按钮 */
.btn{display:inline-block;padding:14px 36px;border-radius:50px;font-weight:600;font-size:1rem;cursor:pointer;transition:all .3s;border:none;background:linear-gradient(135deg,#e94560,#0f3460);color:#fff;box-shadow:0 4px 20px rgba(233,69,96,.3)}.btn:hover{transform:translateY(-3px);box-shadow:0 8px 30px rgba(233,69,96,.4)}

/* 通用区块 */
.section{padding:80px 0}.section-title{text-align:center;font-size:2.2rem;font-weight:700;margin-bottom:12px;background:linear-gradient(135deg,#e94560,#0f3460);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.section-sub{text-align:center;font-size:1.1rem;color:#555;margin-bottom:50px}body.dark .section-sub{color:#aaa}

/* 卡片 */
.card{background:#fff;border-radius:20px;padding:30px;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:all .4s;border:1px solid rgba(0,0,0,.04)}body.dark .card{background:#1a1a30;border-color:rgba(255,255,255,.06);box-shadow:0 4px 20px rgba(0,0,0,.2)}.card:hover{transform:translateY(-6px);box-shadow:0 12px 40px rgba(0,0,0,.1)}body.dark .card:hover{box-shadow:0 12px 40px rgba(0,0,0,.4)}

/* 网格 */
.grid{display:grid;gap:30px}.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:1fr 1fr 1fr}.grid-4{grid-template-columns:1fr 1fr 1fr 1fr}.text-center{text-align:center}.mt-20{margin-top:20px}.mb-20{margin-bottom:20px}.flex{display:flex;flex-wrap:wrap;align-items:center;gap:20px}.flex-center{justify-content:center}

/* 滚动动画 */
.animate-on-scroll{opacity:0;transform:translateY(40px);transition:all .7s ease}.animate-on-scroll.visible{opacity:1;transform:translateY(0)}

/* 标签 */
.badge{display:inline-block;padding:4px 16px;border-radius:50px;font-size:.85rem;font-weight:500;background:rgba(233,69,96,.12);color:#e94560;margin-right:8px;margin-bottom:8px}body.dark .badge{background:rgba(233,69,96,.2)}

/* 头部 */
header{position:fixed;top:0;left:0;width:100%;z-index:1000;transition:all .3s}header.scrolled{background:rgba(255,255,255,.85);backdrop-filter:blur(20px);box-shadow:0 2px 20px rgba(0,0,0,.08)}body.dark header.scrolled{background:rgba(15,15,26,.85)}.header-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 0;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}.logo{display:flex;align-items:center;gap:12px;font-size:1.4rem;font-weight:800;color:#1a1a2e}body.dark .logo{color:#fff}.logo svg{width:40px;height:40px}.nav{display:flex;gap:28px;font-weight:500;font-size:.95rem}.nav a{position:relative;padding:6px 0;transition:color .3s}.nav a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:#e94560;transition:width .3s}.nav a:hover::after,.nav a.active::after{width:100%}.nav a:hover{color:#e94560}.nav a.active{color:#e94560}.menu-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:8px}.menu-toggle span{display:block;width:28px;height:3px;background:#1a1a2e;border-radius:3px;transition:all .3s}body.dark .menu-toggle span{background:#fff}.mobile-nav{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(255,255,255,.96);backdrop-filter:blur(20px);z-index:999;flex-direction:column;align-items:center;justify-content:center;gap:30px;font-size:1.3rem;font-weight:600;opacity:0;pointer-events:none;transition:opacity .3s}body.dark .mobile-nav{background:rgba(15,15,26,.96)}.mobile-nav.open{opacity:1;pointer-events:all}.mobile-nav a{color:#1a1a2e}body.dark .mobile-nav a{color:#fff}.mobile-nav a:hover{color:#e94560}.mobile-nav .close-btn{position:absolute;top:20px;right:30px;font-size:2rem;cursor:pointer;background:none;border:none;color:#1a1a2e}body.dark .mobile-nav .close-btn{color:#fff}

/* Hero */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden;background:linear-gradient(135deg,#0f3460 0%,#1a1a2e 50%,#16213e 100%);padding-top:80px}.hero::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 30% 50%,rgba(233,69,96,.15),transparent 60%),radial-gradient(circle at 70% 80%,rgba(15,52,96,.2),transparent 50%);animation:heroGlow 12s ease-in-out infinite alternate}@keyframes heroGlow{0%{transform:translate(0,0)}100%{transform:translate(5%,5%)}}.hero-content{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;padding:60px 0}.hero-text h1{font-size:3.2rem;font-weight:800;color:#fff;line-height:1.2;margin-bottom:20px}.hero-text h1 span{background:linear-gradient(135deg,#e94560,#f5a623);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-text p{font-size:1.15rem;color:rgba(255,255,255,.75);margin-bottom:30px;max-width:520px}.hero-btns{display:flex;gap:16px;flex-wrap:wrap}.hero-visual{display:flex;justify-content:center;align-items:center}.hero-visual svg{width:100%;max-width:480px;height:auto;filter:drop-shadow(0 20px 60px rgba(233,69,96,.2));animation:float 6s ease-in-out infinite}@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-20px)}}

/* Banner 轮播 */
.banner-carousel{position:relative;overflow:hidden;border-radius:24px;margin-top:20px}.banner-slide{display:none;animation:fadeIn .8s ease}.banner-slide.active{display:block}@keyframes fadeIn{from{opacity:0}to{opacity:1}}.banner-dots{display:flex;justify-content:center;gap:10px;margin-top:20px}.banner-dots span{width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,.3);cursor:pointer;transition:all .3s}.banner-dots span.active{background:#e94560;width:30px;border-radius:6px}.scroll-down{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);z-index:2;animation:bounce 2s infinite;cursor:pointer}.scroll-down svg{width:32px;height:32px;fill:rgba(255,255,255,.5)}@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(10px)}}

/* 品牌故事 */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.about-text p{font-size:1.05rem;margin-bottom:16px;color:#444}body.dark .about-text p{color:#bbb}.about-stats{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:30px}.stat-item{text-align:center;padding:20px;background:rgba(233,69,96,.06);border-radius:16px;transition:all .3s}body.dark .stat-item{background:rgba(233,69,96,.1)}.stat-item .number{font-size:2.4rem;font-weight:800;color:#e94560;display:block}.stat-item .label{font-size:.95rem;color:#666;margin-top:4px}body.dark .stat-item .label{color:#aaa}

/* 时间线 */
.timeline{position:relative;padding-left:40px}.timeline::before{content:'';position:absolute;left:16px;top:0;bottom:0;width:3px;background:linear-gradient(180deg,#e94560,#0f3460);border-radius:3px}.timeline-item{position:relative;margin-bottom:30px;padding-left:20px}.timeline-item::before{content:'';position:absolute;left:-28px;top:6px;width:14px;height:14px;border-radius:50%;background:#e94560;border:3px solid #fff;box-shadow:0 0 0 3px #e94560}body.dark .timeline-item::before{border-color:#1a1a2e}.timeline-item .year{font-weight:700;color:#e94560;font-size:1.1rem}.timeline-item p{color:#555;margin-top:4px}body.dark .timeline-item p{color:#aaa}

/* 团队 */
.team-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:30px}.team-card{text-align:center;padding:30px 20px}.team-card .avatar{margin:0 auto 16px;width:100px;height:100px;border-radius:50%;overflow:hidden;background:linear-gradient(135deg,#e94560,#0f3460);display:flex;align-items:center;justify-content:center}.team-card .avatar svg{width:60px;height:60px;fill:#fff}.team-card h4{font-size:1.1rem;font-weight:700;margin-bottom:4px}.team-card .role{color:#e94560;font-size:.9rem;font-weight:500;margin-bottom:10px}.team-card p{font-size:.9rem;color:#666}body.dark .team-card p{color:#aaa}

/* 产品 */
.product-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:30px}.product-card{padding:30px;text-align:center}.product-card .icon{margin:0 auto 20px;width:80px;height:80px;border-radius:20px;background:linear-gradient(135deg,rgba(233,69,96,.1),rgba(15,52,96,.1));display:flex;align-items:center;justify-content:center;transition:all .3s}.product-card:hover .icon{transform:scale(1.05)}.product-card .icon svg{width:48px;height:48px}.product-card h3{font-size:1.2rem;font-weight:700;margin-bottom:10px}.product-card p{font-size:.95rem;color:#666;margin-bottom:16px}body.dark .product-card p{color:#aaa}

/* 服务 */
.service-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:30px}.service-card{padding:30px;text-align:center;border-radius:20px;transition:all .3s}.service-card .icon{margin:0 auto 16px;width:64px;height:64px}.service-card h4{font-size:1.1rem;font-weight:700;margin-bottom:8px}.service-card p{font-size:.9rem;color:#666}body.dark .service-card p{color:#aaa}

/* 合作伙伴滚动 */
.partner-scroll{overflow:hidden;padding:20px 0}.partner-track{display:flex;gap:40px;animation:scrollPartners 30s linear infinite}.partner-track svg{width:120px;height:60px;flex-shrink:0;opacity:.6;transition:opacity .3s}.partner-track svg:hover{opacity:1}@keyframes scrollPartners{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* 案例 */
.case-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}.case-card{padding:30px;position:relative;overflow:hidden}.case-card .tag{display:inline-block;padding:4px 14px;border-radius:50px;background:rgba(233,69,96,.1);color:#e94560;font-size:.8rem;font-weight:600;margin-bottom:12px}.case-card h4{font-size:1.15rem;font-weight:700;margin-bottom:8px}.case-card p{font-size:.9rem;color:#666;margin-bottom:12px}body.dark .case-card p{color:#aaa}

/* 评价 */
.testimonial-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}.testimonial-card{padding:30px;position:relative}.testimonial-card .quote{font-size:1.5rem;color:#e94560;margin-bottom:10px}.testimonial-card p{font-style:italic;color:#555;margin-bottom:16px}body.dark .testimonial-card p{color:#bbb}.testimonial-card .author{display:flex;align-items:center;gap:12px}.testimonial-card .author .avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#e94560,#0f3460);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.1rem}.testimonial-card .author .name{font-weight:600}.testimonial-card .author .title{font-size:.85rem;color:#888}body.dark .testimonial-card .author .title{color:#aaa}

/* 新闻 */
.news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px}.news-card{padding:25px;cursor:pointer}.news-card .date{font-size:.85rem;color:#999;margin-bottom:8px}body.dark .news-card .date{color:#777}.news-card h4{font-size:1.1rem;font-weight:700;margin-bottom:8px;transition:color .3s}.news-card:hover h4{color:#e94560}.news-card p{font-size:.9rem;color:#666;margin-bottom:12px}body.dark .news-card p{color:#aaa}.news-card .read-more{color:#e94560;font-weight:600;font-size:.9rem;display:inline-flex;align-items:center;gap:4px;transition:gap .3s}.news-card:hover .read-more{gap:8px}

/* FAQ */
.faq-item{border-bottom:1px solid rgba(0,0,0,.08);padding:20px 0}body.dark .faq-item{border-color:rgba(255,255,255,.08)}.faq-question{display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-weight:600;font-size:1.05rem;padding:8px 0;transition:color .3s}.faq-question:hover{color:#e94560}.faq-question .icon{font-size:1.4rem;transition:transform .3s}.faq-item.open .faq-question .icon{transform:rotate(45deg)}.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s;padding:0 20px;color:#555;font-size:.95rem;line-height:1.8}body.dark .faq-answer{color:#bbb}.faq-item.open .faq-answer{max-height:400px;padding:16px 20px 8px}

/* HowTo */
.howto-section .step{margin-bottom:24px;padding:24px;border-radius:16px;background:rgba(233,69,96,.04);border-left:4px solid #e94560}body.dark .howto-section .step{background:rgba(233,69,96,.08)}.howto-section .step .step-num{font-weight:800;color:#e94560;font-size:1.1rem;display:block;margin-bottom:6px}.howto-section .step h4{font-size:1.1rem;font-weight:700;margin-bottom:6px}.howto-section .step p{font-size:.95rem;color:#555}body.dark .howto-section .step p{color:#bbb}

/* 联系我们 */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}.contact-info .item{display:flex;align-items:flex-start;gap:16px;margin-bottom:24px}.contact-info .item .icon{width:48px;height:48px;border-radius:12px;background:rgba(233,69,96,.1);display:flex;align-items:center;justify-content:center;flex-shrink:0}.contact-info .item .icon svg{width:24px;height:24px;fill:#e94560}.contact-info .item h5{font-weight:600;font-size:1rem;margin-bottom:2px}.contact-info .item p{color:#666;font-size:.95rem}body.dark .contact-info .item p{color:#aaa}.contact-form input,.contact-form textarea{width:100%;padding:14px 18px;border:2px solid rgba(0,0,0,.08);border-radius:12px;font-size:1rem;background:#fff;transition:border .3s;margin-bottom:16px;font-family:inherit}body.dark .contact-form input,body.dark .contact-form textarea{background:#1a1a30;border-color:rgba(255,255,255,.1);color:#fff}.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:#e94560}.contact-form textarea{resize:vertical;min-height:120px}.map-placeholder{width:100%;height:280px;border-radius:20px;overflow:hidden;background:linear-gradient(135deg,#e0e0e0,#c0c0c0);display:flex;align-items:center;justify-content:center;margin-top:40px}body.dark .map-placeholder{background:linear-gradient(135deg,#2a2a40,#1a1a30)}.map-placeholder svg{width:80px;height:80px;fill:#888}body.dark .map-placeholder svg{fill:#555}

/* Footer */
.footer{background:#1a1a2e;color:rgba(255,255,255,.8);padding:60px 0 30px;margin-top:80px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}.footer h4{color:#fff;font-size:1.1rem;font-weight:700;margin-bottom:20px}.footer p{font-size:.9rem;line-height:1.8}.footer ul li{margin-bottom:10px}.footer ul li a{font-size:.9rem;transition:color .3s}.footer ul li a:hover{color:#e94560}.footer .copyright{text-align:center;padding-top:30px;border-top:1px solid rgba(255,255,255,.08);font-size:.85rem;color:rgba(255,255,255,.5)}.footer .copyright a{color:rgba(255,255,255,.6);transition:color .3s}.footer .copyright a:hover{color:#e94560}

/* 返回顶部 */
.back-to-top{position:fixed;bottom:30px;right:30px;width:48px;height:48px;border-radius:50%;background:#e94560;color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;border:none;box-shadow:0 4px 20px rgba(233,69,96,.3);opacity:0;visibility:hidden;transition:all .3s;z-index:999}.back-to-top.visible{opacity:1;visibility:visible}.back-to-top:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(233,69,96,.4)}.back-to-top svg{width:22px;height:22px;fill:#fff}

/* 暗黑模式切换 */
.dark-toggle{position:fixed;bottom:30px;left:30px;width:48px;height:48px;border-radius:50%;background:#1a1a2e;color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;border:none;box-shadow:0 4px 20px rgba(0,0,0,.15);z-index:999;transition:all .3s}body.dark .dark-toggle{background:#e94560}.dark-toggle svg{width:22px;height:22px;fill:#fff}

/* 搜索模态 */
.search-modal{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);backdrop-filter:blur(10px);z-index:2000;display:none;align-items:center;justify-content:center}.search-modal.open{display:flex}.search-modal .modal-content{background:#fff;border-radius:24px;padding:40px;max-width:600px;width:90%;box-shadow:0 20px 60px rgba(0,0,0,.2)}body.dark .search-modal .modal-content{background:#1a1a30}.search-modal input{width:100%;padding:16px 20px;border:2px solid rgba(0,0,0,.08);border-radius:12px;font-size:1.1rem;outline:none;transition:border .3s;background:transparent;color:inherit}body.dark .search-modal input{border-color:rgba(255,255,255,.1)}.search-modal input:focus{border-color:#e94560}.search-modal .close-btn{position:absolute;top:20px;right:30px;font-size:2rem;cursor:pointer;color:#fff;background:none;border:none}

/* 面包屑 */
.breadcrumb{display:flex;gap:8px;font-size:.85rem;color:#999;padding:20px 0;flex-wrap:wrap}body.dark .breadcrumb{color:#777}.breadcrumb a{color:#e94560;transition:color .3s}.breadcrumb a:hover{color:#0f3460}.breadcrumb span{color:#999}body.dark .breadcrumb span{color:#777}

/* 相关文章 */
.related-articles{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-top:30px}.related-articles .item{padding:16px;border-radius:12px;background:rgba(233,69,96,.04);transition:all .3s}body.dark .related-articles .item{background:rgba(233,69,96,.08)}.related-articles .item:hover{background:rgba(233,69,96,.1)}.related-articles .item .title{font-weight:600;font-size:.95rem;margin-bottom:4px;display:block}.related-articles .item .date{font-size:.8rem;color:#999}

/* 响应式 */
@media(max-width:1024px){.hero-content{grid-template-columns:1fr;text-align:center;gap:40px}.hero-text p{margin:0 auto 30px}.hero-btns{justify-content:center}.about-grid{grid-template-columns:1fr}.contact-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}@media(max-width:768px){.nav{display:none}.menu-toggle{display:flex}.hero-text h1{font-size:2.2rem}.section-title{font-size:1.8rem}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.about-stats{grid-template-columns:1fr 1fr}.team-grid{grid-template-columns:1fr 1fr}}@media(max-width:480px){.hero-text h1{font-size:1.8rem}.section{padding:50px 0}.team-grid{grid-template-columns:1fr}.about-stats{grid-template-columns:1fr}.container{padding:0 16px}.btn{padding:12px 28px;font-size:.9rem}}

/* 跳过链接 */
.skip-link{position:absolute;top:-100px;left:0;background:#e94560;color:#fff;padding:8px 16px;z-index:10000;transition:top .3s}.skip-link:focus{top:0}