*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
--primary:#FED804;--primary-dark:#D8B703;--primary-light:rgba(254,216,4,0.12);
--primary-gradient:linear-gradient(135deg,#FED804,#FFB800);
--bg-light:#f9f8f4;--bg-dark:#1a1a2e;--text:#262626;--text-light:#5a5a5a;
--text-muted:#8c8c8c;--border:#e8e5dc;--radius:10px;--radius-sm:6px;
--max-width:1200px;--shadow:0 2px 16px rgba(0,0,0,.06);--shadow-lg:0 8px 32px rgba(0,0,0,.1);
--bg-card:#fff;--star:#FED804;--font:system-ui,-apple-system,"Microsoft YaHei","PingFang SC",sans-serif;
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);font-size:16px;line-height:1.85;color:var(--text);background:#fff;-webkit-font-smoothing:antialiased}
a{color:var(--text);text-decoration:none;transition:color .2s}
a:hover{color:var(--primary-dark)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
h1,h2,h3,h4{line-height:1.3;color:var(--text)}
h1{font-size:32px}h2{font-size:26px}h3{font-size:20px}h4{font-size:17px}
.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}
.btn{display:inline-block;padding:12px 30px;border-radius:28px;font-size:15px;font-weight:600;cursor:pointer;transition:all .25s;border:none;text-align:center}
.btn-primary{background:var(--primary);color:#262626}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 6px 20px rgba(254,216,4,.35)}
.btn-outline{border:2px solid var(--primary);color:var(--text);background:transparent}
.btn-outline:hover{background:var(--primary);color:#262626}
.section{padding:64px 0}
.section-gray{background:var(--bg-light)}
.section-dark{background:var(--bg-dark);color:#fff}
.section-header{text-align:center;margin-bottom:40px}
.section-header h2{font-size:28px;margin-bottom:8px}
.section-header p{color:var(--text-muted);font-size:15px}
.header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:8px;font-size:20px;font-weight:700}
.logo-img{height:38px;width:auto}
.nav{display:flex;align-items:center}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-link{padding:8px 16px;border-radius:var(--radius-sm);font-size:15px;font-weight:500;transition:all .2s}
.nav-link:hover,.nav-link.active{background:var(--primary-light);color:var(--primary-dark)}
.nav-item.dropdown{position:relative}
.nav-link.has-dropdown::after{content:'\f107';font-family:FontAwesome;margin-left:4px;font-size:12px}
.dropdown-menu{position:absolute;top:100%;left:0;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);min-width:160px;opacity:0;visibility:hidden;transform:translateY(8px);transition:all .2s;padding:6px 0}
.nav-item.dropdown:hover .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-menu a{display:block;padding:8px 18px;font-size:14px}
.dropdown-menu a:hover{background:var(--bg-light)}
.nav-download-btn{padding:8px 20px;background:var(--primary);border-radius:20px;font-size:14px;font-weight:600;color:#262626;transition:all .2s}
.nav-download-btn:hover{background:var(--primary-dark);color:#fff}
.menu-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--text);border-radius:1px;transition:all .25s}
.menu-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
.footer{background:#2d2d2d;color:#bbb;padding:48px 0 0}
.footer a{color:#bbb}.footer a:hover{color:#fff}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-col p,.footer-col li{font-size:13px;line-height:2.2}
.footer-bottom{text-align:center;padding:20px 0;font-size:12px;color:#888}
.social-links{display:flex;gap:12px;margin-bottom:16px}
.social-links a{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.08);font-size:15px;transition:all .2s}
.social-links a:hover{background:var(--primary);color:#262626}
.cta{padding:72px 0;text-align:center;background:var(--primary-gradient);position:relative;overflow:hidden}
.cta::before{content:'';position:absolute;top:-30%;left:-5%;width:280px;height:280px;background:radial-gradient(circle,rgba(255,255,255,.1),transparent 58%);border-radius:50%}
.cta::after{content:'';position:absolute;bottom:-20%;right:-3%;width:200px;height:200px;background:radial-gradient(circle,rgba(255,255,255,.06),transparent 52%);border-radius:50%}
.cta-inner{max-width:640px;margin:0 auto;position:relative;z-index:1}
.cta-title{font-size:1.7rem;color:#262626;margin-bottom:10px;font-weight:700}
.cta-desc{font-size:15px;color:rgba(38,38,38,.7);margin-bottom:28px;line-height:1.7}
.cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.cta-buttons .btn-primary{background:#262626;color:#fff;padding:15px 38px;font-size:16px;box-shadow:0 6px 24px rgba(0,0,0,.12)}.cta-buttons .btn-primary:hover{background:#000;box-shadow:0 8px 28px rgba(0,0,0,.2)}
.cta-buttons .btn-outline{border-color:rgba(38,38,38,.3);color:#262626;padding:15px 38px;font-size:16px}.cta-buttons .btn-outline:hover{background:#262626;color:#fff;border-color:#262626}
.float-mask{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.4);backdrop-filter:blur(4px);z-index:1999;opacity:0;visibility:hidden;transition:opacity .2s,visibility .2s}
.float-mask.active{opacity:1;visibility:visible}
.mobile-download-wrapper{display:none;position:fixed;bottom:0;left:0;right:0;z-index:2000;padding:10px 16px 14px}
.main-download-btn{width:100%;padding:14px;background:var(--primary);color:#262626;border:none;border-radius:30px;font-size:16px;font-weight:600;cursor:pointer;box-shadow:0 4px 20px rgba(254,216,4,.35);transition:all .2s}
.download-menu{position:absolute;bottom:calc(100% + 15px);left:16px;right:16px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:6px;opacity:0;visibility:hidden;transform:translateY(8px);transition:all .2s ease-out}
.download-menu.active{opacity:1;visibility:visible;transform:translateY(0)}
.download-menu .menu-item{display:flex;align-items:center;gap:10px;padding:13px 16px;border:2px solid var(--primary);border-radius:8px;margin:4px 0;font-size:15px;font-weight:500;color:var(--text);transition:all .2s}
.download-menu .menu-item:hover{background:var(--primary-light)}
.breadcrumb{max-width:var(--max-width);margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text-muted);flex-wrap:wrap}
.breadcrumb a{color:var(--text-muted)}.breadcrumb a:hover{color:var(--primary-dark)}
.breadcrumb svg{flex-shrink:0;color:var(--primary)}
.lanmu-section-header{background:var(--primary-gradient);padding:48px 0;text-align:center;color:#262626}
.lanmu-section-header h1{font-size:28px;margin-bottom:6px;color:#262626}
.lanmu-section-header p{font-size:14px;max-width:680px;margin:0 auto;opacity:.85}
.page-layout{max-width:var(--max-width);margin:0 auto;padding:32px 20px;display:grid;grid-template-columns:1fr 320px;gap:32px}
.page-main{min-width:0}
.page-sidebar{flex-shrink:0}
.sidebar-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:20px}
.sidebar-card h4{font-size:16px;margin-bottom:12px;padding-bottom:10px;border-bottom:2px solid var(--primary)}
.like-item{padding:8px 0;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;gap:8px}
.like-item:last-child{border-bottom:none}
.like-item a{font-size:14px;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.like-item span{font-size:12px;color:var(--text-muted);flex-shrink:0}
.item-title a{font-size:16px;font-weight:500}.item-title a:hover{color:var(--primary-dark)}
.item-time{font-size:13px;color:var(--text-muted);flex-shrink:0}
.list-thumb{flex-shrink:0;width:120px;height:80px;border-radius:6px;overflow:hidden;display:block}
.list-thumb img{width:100%;height:100%;object-fit:cover}
.list-info{flex:1;min-width:0}
.item-desc{font-size:13px;color:var(--text-muted);line-height:1.6;margin:4px 0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.item-meta{display:flex;gap:16px;font-size:12px;color:var(--text-muted)}
.item-meta i{margin-right:3px}
.list-item{display:flex;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--border);gap:14px}
.list-item:last-child{border-bottom:none}
.pagebar{text-align:center;padding:28px 0}
.pagination{display:inline-flex;align-items:center;gap:4px;flex-wrap:wrap;justify-content:center}
.pagination .page-item{display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:36px;padding:0 10px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;color:var(--text);transition:all .2s}
.pagination .page-item:hover{border-color:var(--primary);color:var(--primary-dark);background:var(--primary-light)}
.pagination .page-num-current{background:var(--primary);border-color:var(--primary);color:#262626;font-weight:600}
.pagination .page-num-current:hover{background:var(--primary-dark);color:#fff}
.pagination .page-link{color:var(--text-muted)}
.single-content{max-width:860px;margin:0 auto;padding:32px 20px;font-size:15px;line-height:2}
.single-content h2{font-size:24px;margin:28px 0 14px;padding-bottom:8px;border-bottom:2px solid var(--primary)}
.single-content h3{font-size:19px;margin:22px 0 10px}
.single-content p{margin-bottom:14px}
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.feature-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px 22px;transition:all .25s}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary)}
.feature-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px;background:var(--primary-light);color:var(--primary-dark)}
.feature-card h3{font-size:17px;margin-bottom:6px}
.feature-card p{font-size:14px;color:var(--text-muted);line-height:1.7}
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.content-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all .25s}
.content-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--primary)}
.content-card-img{height:180px;overflow:hidden;background:var(--bg-light)}
.content-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.content-card:hover .content-card-img img{transform:scale(1.06)}
.content-card-body{padding:16px}
.content-card-body h3{font-size:16px;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.content-card-body p{font-size:13px;color:var(--text-muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:8px}
.content-card-tag{display:inline-block;padding:4px 10px;background:var(--primary-light);color:var(--primary-dark);border-radius:12px;font-size:12px;font-weight:500}
.faq-list{max-width:760px;margin:0 auto}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:10px;overflow:hidden;background:#fff}
.faq-question{padding:16px 20px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-weight:500;font-size:15px;transition:background .2s}
.faq-question:hover{background:var(--bg-light)}
.faq-question i{transition:transform .25s;color:var(--primary-dark)}
.faq-item.active .faq-question i{transform:rotate(45deg)}
.faq-item.active .faq-question{background:var(--primary-light)}
.faq-answer{padding:0 20px;max-height:0;overflow:hidden;transition:all .3s;font-size:14px;color:var(--text-light);line-height:1.8}
.faq-item.active .faq-answer{padding:0 20px 16px;max-height:400px}
.faq-answer a{color:var(--primary-dark);font-weight:500}
.article-content{font-size:15px;line-height:2;padding:20px 0}
.article-content p{margin-bottom:16px}
.article-nav{border-top:1px solid var(--border);margin-top:32px;padding-top:20px}
.article-nav ul{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.article-nav li{font-size:14px;flex:1;min-width:200px}
.article-nav a{color:var(--text-muted)}.article-nav a:hover{color:var(--primary-dark)}
.news-card{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all .25s;background:#fff}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.news-link{display:flex;flex-direction:column;height:100%}
.news-img-wrap{height:160px;overflow:hidden}
.news-img-wrap img{width:100%;height:100%;object-fit:cover}
.news-content{padding:16px;flex:1;display:flex;flex-direction:column}
.news-content h3{font-size:15px;margin-bottom:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-content p{font-size:13px;color:var(--text-muted);flex:1;margin-bottom:6px}
.news-date{font-size:12px;color:var(--text-muted)}
.scene-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.scene-card{text-align:center;padding:28px 18px;border-radius:var(--radius);background:var(--bg-card);border:1px solid var(--border);transition:all .25s}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.scene-icon{font-size:32px;margin-bottom:10px}
.scene-card h4{font-size:16px;margin-bottom:4px}
.scene-card p{font-size:13px;color:var(--text-muted)}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:20px;text-align:center}
.stat-item h3{font-size:36px;color:var(--primary);margin-bottom:2px}
.stat-item p{font-size:14px;opacity:.8}
.testimonial-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.testimonial-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:22px}
.testimonial-header{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.testimonial-avatar{width:40px;height:40px;border-radius:50%;background:var(--bg-light);overflow:hidden}
.testimonial-name{font-size:15px;font-weight:600}
.testimonial-stars{color:var(--star);font-size:13px}
.testimonial-text{font-size:14px;color:var(--text-light);line-height:1.7}
.hero{background:var(--primary-gradient);padding:72px 0;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;right:-20%;width:600px;height:600px;background:radial-gradient(circle,rgba(255,255,255,.25),transparent 60%);border-radius:50%}
.hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;position:relative;z-index:1}
.hero-text h1{font-size:34px;color:#262626;margin-bottom:10px}
.hero-text p{font-size:16px;color:rgba(38,38,38,.75);margin-bottom:22px;max-width:480px}
.hero-buttons{display:flex;gap:14px;flex-wrap:wrap}
.hero-visual{text-align:center}
.hero-visual img{max-height:300px;margin:0 auto;border-radius:var(--radius);box-shadow:var(--shadow-lg)}
.download-section{max-width:600px;margin:0 auto;text-align:center}
.download-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:32px;margin:20px 0}
.download-card h3{font-size:22px;margin-bottom:6px}
.download-card .btn{margin-top:14px}
.step-list{counter-reset:step}
.step-item{counter-increment:step;display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--border)}
.step-item::before{content:counter(step);flex-shrink:0;width:36px;height:36px;border-radius:50%;background:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;color:#262626}
.dl-hero{text-align:center;max-width:600px;margin:0 auto}
.dl-hero img{margin:0 auto 20px;border-radius:22px;box-shadow:0 8px 32px rgba(254,216,4,.2)}
.dl-hero h2{font-size:28px;margin-bottom:6px}
.dl-hero .dl-ver{color:var(--text-muted);margin-bottom:6px}
.dl-hero .dl-tagline{color:var(--text-muted);margin-bottom:24px}
.dl-hero .dl-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:16px}
.dl-btn{display:inline-flex;align-items:center;gap:6px;padding:14px 48px;font-size:17px;border-radius:30px}
.dl-btn-line{display:inline-flex;align-items:center;gap:6px;padding:14px 48px;font-size:17px;border:2px solid var(--primary);color:var(--text);border-radius:30px;transition:all .25s;background:transparent}
.dl-btn-line:hover{background:var(--primary);color:#262626}
.dl-hero .dl-hint{font-size:13px;color:var(--text-muted)}
.dl-features{grid-template-columns:repeat(3,1fr)!important}
.dl-highlights{display:grid;grid-template-columns:1fr 1fr;gap:6px 24px;padding:0}
.dl-highlights li{padding:10px 0;display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.7}
.dl-highlights li::before{content:'\f058';font-family:FontAwesome;color:var(--primary);font-size:16px;flex-shrink:0;margin-top:2px}
@media(max-width:768px){.dl-features{grid-template-columns:repeat(2,1fr)!important};.dl-highlights{grid-template-columns:1fr}}
@media(max-width:480px){.dl-features{grid-template-columns:1fr!important}}
.dl-bottom{text-align:center;padding:40px 0;background:var(--primary-gradient)}
.dl-bottom h2{color:#262626;margin-bottom:6px}
.dl-bottom p{color:rgba(38,38,38,.7);margin-bottom:20px}
.back-top{position:fixed;bottom:80px;right:20px;width:40px;height:40px;border-radius:50%;background:var(--primary);color:#262626;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:999;opacity:0;visibility:hidden;transition:all .3s;border:none;box-shadow:var(--shadow)}
.back-top.visible{opacity:1;visibility:visible}
@media(max-width:768px){
.header-inner{height:56px}.hero-inner{grid-template-columns:1fr}.hero-visual{display:none}
.page-layout{grid-template-columns:1fr}.page-sidebar{margin-top:24px}
.footer-inner{grid-template-columns:1fr 1fr}.nav{display:none}
.nav.open{display:block;position:fixed;top:56px;left:0;right:0;background:#fff;border-bottom:1px solid var(--border);padding:16px;z-index:1000}
.nav.open .nav-list{flex-direction:column;gap:0}
.nav.open .nav-link{padding:12px 16px;display:block}
.nav.open .dropdown-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;padding-left:16px}
.menu-toggle{display:flex}.section{padding:40px 0}.hero{padding:48px 0}.hero-text h1{font-size:26px}
.card-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.mobile-download-wrapper{display:block}
}
@media(max-width:480px){
body{font-size:15px}.container{padding:0 14px}h1{font-size:24px}h2{font-size:22px}
.footer-inner{grid-template-columns:1fr;gap:20px}.hero-text h1{font-size:22px}
.hero{padding:36px 0}.feature-grid{grid-template-columns:1fr}
.card-grid{grid-template-columns:1fr}.cta-buttons{flex-direction:column}.cta-buttons .btn{width:100%}
}