*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;font-size:15px;color:#333;background:#fff;line-height:1.7;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit;transition:color .25s}
ul,ol{list-style:none}
img{max-width:100%;height:auto;display:block}
button{cursor:pointer;border:none;outline:none;font-family:inherit}
input,textarea{font-family:inherit;outline:none}
:root{--primary:#111827;--primary-dark:#030712;--primary-light:#F5F5F4;--primary-gradient:linear-gradient(135deg,#111827,#D97706);--accent:#F59E0B;--text:#111827;--text-light:#4B5563;--text-muted:#6B7280;--bg:#fff;--bg-light:#FAFAF9;--bg-card:#F8F7F2;--border:#E7E5E4;--shadow:0 2px 16px rgba(17,24,39,.08);--shadow-lg:0 8px 40px rgba(17,24,39,.12);--radius:10px;--radius-sm:6px;--radius-lg:16px;--max-width:1240px;--nav-height:68px;--star:#F59E0B}
.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}
.quack-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.95);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border);height:var(--nav-height)}
.quack-header.scrolled{box-shadow:var(--shadow)}
.header-inner{max-width:var(--max-width);margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:100%}
.header-inner .logo{display:flex;align-items:center;flex-shrink:0}
.header-inner .logo img{height:38px;width:auto}
.header-inner .logo span{font-size:18px;font-weight:700;color:var(--primary-dark);margin-left:10px;white-space:nowrap}
.nav-list{display:flex;align-items:center;gap:2px;height:100%}
.nav-list>li{position:relative;height:100%;display:flex;align-items:center}
.nav-list>li>a{display:flex;align-items:center;height:100%;padding:0 14px;font-size:14px;font-weight:500;color:var(--text);border-radius:var(--radius-sm);transition:all .25s;white-space:nowrap}
.nav-list>li>a:hover{color:var(--primary);background:var(--primary-light)}
.nav-list>li>a.active{color:var(--primary);font-weight:600}
.nav-list>li>a.has-dropdown::after{content:"\f107";font-family:"FontAwesome";margin-left:5px;font-size:12px;transition:transform .25s}
.nav-list>li:hover>a.has-dropdown::after{transform:rotate(180deg)}
.nav-sub{position:absolute;top:100%;left:50%;transform:translateX(-50%);min-width:160px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:8px 0;opacity:0;visibility:hidden;transition:all .25s;z-index:100}
.nav-list>li:hover .nav-sub{opacity:1;visibility:visible}
.nav-sub li a{display:block;padding:10px 20px;font-size:13px;color:var(--text-light);transition:all .2s;white-space:nowrap}
.nav-sub li a:hover{color:var(--primary);background:var(--primary-light)}
.nav-sub li a.active1{color:var(--primary);font-weight:600}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{padding:7px 20px;font-size:13px;font-weight:500;color:var(--primary);border:1.5px solid var(--primary);border-radius:20px;background:transparent;transition:all .25s;white-space:nowrap}
.btn-login:hover{color:#fff;background:var(--primary)}
.btn-register{padding:7px 20px;font-size:13px;font-weight:500;color:#fff;background:var(--primary-gradient);border-radius:20px;transition:all .25s;white-space:nowrap;box-shadow:0 2px 8px rgba(108,63,181,.3)}
.btn-register:hover{box-shadow:0 4px 16px rgba(108,63,181,.45);transform:translateY(-1px)}
.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:28px;height:28px;cursor:pointer;z-index:1001;background:none;border:none;padding:0}
.hamburger span{display:block;width:24px;height:2px;background:var(--text);border-radius:2px;transition:all .3s}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
.mobile-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.45);z-index:998;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}
.mobile-overlay.active{display:block}
.mobile-menu{position:fixed;top:0;right:-300px;width:280px;height:100vh;background:#fff;z-index:999;padding:80px 24px 40px;overflow-y:auto;transition:right .35s ease;box-shadow:-4px 0 24px rgba(0,0,0,.1)}
.mobile-menu.active{right:0}
.mobile-menu a{display:block;padding:14px 0;font-size:15px;font-weight:500;color:var(--text);border-bottom:1px solid var(--border);transition:color .2s}
.mobile-menu a:hover,.mobile-menu a.active{color:var(--primary)}
.mobile-menu .nav-sub-mobile{padding-left:16px;display:none}
.mobile-menu .nav-sub-mobile.open{display:block}
.mobile-menu .nav-sub-mobile a{font-size:14px;color:var(--text-light);border-bottom:1px solid #f0f0f5;padding:10px 0}
.mobile-menu .has-sub-mobile::after{content:"\f107";font-family:"FontAwesome";float:right;transition:transform .3s}
.mobile-menu .has-sub-mobile.open::after{transform:rotate(180deg)}
.quack-footer{background:#1a1a2e;color:rgba(255,255,255,.7);padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;max-width:var(--max-width);margin:0 auto;padding:0 24px}
.footer-grid h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px}
.footer-grid p{font-size:13px;line-height:1.8;margin-bottom:6px}
.footer-grid a{display:block;font-size:13px;color:rgba(255,255,255,.55);padding:5px 0;transition:color .25s}
.footer-grid a:hover{color:var(--accent)}
.footer-social{display:flex;gap:14px;margin-top:14px}
.footer-social a{width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;font-size:15px;color:rgba(255,255,255,.65);transition:all .25s}
.footer-social a:hover{background:var(--primary);color:#fff}
.footer-bottom{max-width:var(--max-width);margin:36px auto 0;padding:20px 24px 0;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:12px;color:rgba(255,255,255,.35)}
.footer-bottom a{color:rgba(255,255,255,.45)}
.footer-bottom a:hover{color:var(--accent)}
.mobile-float-bar{display:none;position:fixed;bottom:0;left:0;width:100%;background:#fff;padding:10px 20px;z-index:997;box-shadow:0 -2px 12px rgba(0,0,0,.08);border-top:1px solid var(--border)}
.mobile-float-bar .btn-float-experience{width:100%;padding:13px;font-size:15px;font-weight:600;color:#fff;background:var(--primary-gradient);border-radius:24px;text-align:center;border:none;cursor:pointer}
.mobile-float-popup{position:fixed;bottom:78px;left:50%;transform:translateX(-50%);background:#fff;border-radius:14px;padding:14px 20px;z-index:998;box-shadow:var(--shadow-lg);display:none;flex-direction:column;gap:8px;min-width:180px}
.mobile-float-popup.active{display:flex}
.mobile-float-popup a{display:block;padding:11px 22px;text-align:center;font-size:14px;font-weight:500;border:1.5px solid var(--primary);color:var(--primary);transition:all .25s}
.mobile-float-popup a:hover{background:var(--primary);color:#fff}
.mobile-float-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;z-index:996;background:rgba(0,0,0,.3);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px)}
.mobile-float-overlay.active{display:block}
.section-header{text-align:center;margin-bottom:44px}
.section-header h2{font-size:30px;font-weight:700;color:#1a1a2e;margin-bottom:10px;line-height:1.3}
.section-header p{font-size:15px;color:var(--text-light);max-width:620px;margin:0 auto;line-height:1.7}
.section-label{display:inline-block;font-size:12px;font-weight:600;color:var(--primary);background:var(--primary-light);padding:5px 14px;border-radius:20px;margin-bottom:10px;letter-spacing:.5px}
.lanmu-section-header{background:var(--primary-gradient);padding:52px 0;text-align:center}
.lanmu-section-header h1{font-size:34px;font-weight:700;color:#fff;margin-bottom:12px}
.lanmu-section-header p{font-size:15px;color:rgba(255,255,255,.85);max-width:680px;margin:0 auto;line-height:1.7}
.breadcrumb{max-width:var(--max-width);margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text-muted);flex-wrap:wrap}
.breadcrumb a{color:var(--text-light)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb svg{flex-shrink:0}
.page-layout{max-width:var(--max-width);margin:0 auto;padding:36px 24px;display:flex;gap:28px}
.page-main{flex:1;min-width:0}
.page-sidebar{width:300px;flex-shrink:0}
.sidebar-card{background:var(--bg-light);border-radius:var(--radius);padding:22px;margin-bottom:18px}
.sidebar-card h3{font-size:15px;font-weight:600;margin-bottom:14px;color:#1a1a2e;padding-bottom:10px;border-bottom:2px solid var(--primary)}
.like-item{display:flex;justify-content:space-between;align-items:center;padding:9px 0;border-bottom:1px dashed var(--border);font-size:13px;gap:6px}
.like-item:last-child{border-bottom:none}
.like-item a{color:var(--text);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:color .2s}
.like-item a:hover{color:var(--primary)}
.like-item span{color:var(--text-muted);white-space:nowrap;font-size:12px}
.list-item{display:flex;justify-content:space-between;align-items:center;padding:15px 18px;border-bottom:1px solid var(--border);transition:all .2s;gap:14px}
.list-item:hover{background:var(--bg-light)}
.list-item .item-title{flex:1;min-width:0}
.list-item .item-title a{font-size:15px;font-weight:500;color:var(--text);display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.list-item .item-title a:hover{color:var(--primary)}
.list-item .item-time{font-size:12px;color:var(--text-muted);white-space:nowrap}
/* ========== 资讯列表卡片（图片+标题+描述+时间） ========== */
.news-list-card{display:flex;gap:20px;background:var(--bg-card);border-radius:var(--radius);padding:18px;border:1px solid var(--border);transition:all .25s}
.news-list-card:hover{border-color:var(--primary);box-shadow:var(--shadow);transform:translateY(-2px)}
.news-list-img{width:260px;min-width:260px;height:170px;border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-light)}
.news-list-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.news-list-card:hover .news-list-img img{transform:scale(1.06)}
.news-list-body{flex:1;display:flex;flex-direction:column;justify-content:center;min-width:0}
.news-list-title{font-size:17px;font-weight:600;line-height:1.4;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-list-title a{color:var(--text);transition:color .2s}
.news-list-title a:hover{color:var(--primary)}
.news-list-desc{font-size:14px;color:var(--text-light);line-height:1.7;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-list-time{font-size:12px;color:var(--text-muted)}
.news-list-time i{margin-right:4px;color:var(--primary-light)}
@media(max-width:768px){
  .news-list-card{flex-direction:column;padding:14px}
  .news-list-img{width:100%;min-width:100%;height:190px}
}
/* ========== 分页样式 ========== */
.pagebar{margin-top:36px}
.pagination{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:6px}
.page-item{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:36px;height:36px;padding:0 10px;
  font-size:13px;font-weight:500;color:var(--text-light);
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);
  transition:all .2s;text-decoration:none;cursor:pointer
}
.page-item:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-light)}
.page-link{
  color:var(--text-muted);font-size:12px;padding:0 12px
}
.page-link:hover{color:var(--primary)}
.page-num-current{
  color:#fff;background:var(--primary);border-color:var(--primary);
  font-weight:600;pointer-events:none
}
@media(max-width:480px){
  .pagination{gap:4px}
  .page-item{min-width:30px;height:30px;font-size:11px;padding:0 6px}
  .page-link{font-size:10px;padding:0 8px}
}
.anchor-nav{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px;position:sticky;top:76px;z-index:10;background:rgba(255,255,255,.95);padding:10px 0;backdrop-filter:blur(8px)}
.anchor-nav a{padding:7px 18px;font-size:13px;font-weight:500;color:var(--text-light);background:#fff;border:1px solid var(--border);border-radius:20px;transition:all .25s;white-space:nowrap}
.anchor-nav a:hover,.anchor-nav a.active{color:#fff;background:var(--primary);border-color:var(--primary)}
.single-section{padding:56px 0;border-bottom:1px solid var(--border)}
.single-section:last-child{border-bottom:none}
.single-section h2{font-size:24px;font-weight:700;color:#1a1a2e;margin-bottom:6px}
.single-section .section-desc{margin-bottom:24px}
.single-section .section-desc p{font-size:15px;color:var(--text-light);line-height:1.8}
.feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:22px}
.feature-card{background:var(--bg-card);border-radius:var(--radius);padding:26px 22px;border:1px solid var(--border);transition:all .3s}
.feature-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.feature-card .card-icon{width:48px;height:48px;border-radius:12px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--primary);margin-bottom:14px}
.feature-card h3{font-size:16px;font-weight:600;margin-bottom:8px;color:#1a1a2e}
.feature-card p{font-size:14px;color:var(--text-light);line-height:1.65}
.btn-primary{display:inline-block;padding:12px 30px;font-size:14px;font-weight:600;color:#fff;background:var(--primary-gradient);border-radius:24px;transition:all .3s;box-shadow:0 4px 14px rgba(108,63,181,.3);text-align:center}
.btn-primary:hover{box-shadow:0 6px 20px rgba(108,63,181,.45);transform:translateY(-2px)}
.btn-secondary{display:inline-block;padding:12px 30px;font-size:14px;font-weight:600;color:var(--primary);background:#fff;border:2px solid var(--primary);border-radius:24px;transition:all .3s;text-align:center}
.btn-secondary:hover{color:#fff;background:var(--primary)}
.btn-white{display:inline-block;padding:13px 36px;font-size:15px;font-weight:600;color:var(--primary);background:#fff;border-radius:26px;transition:all .3s;box-shadow:0 6px 20px rgba(0,0,0,.12);text-align:center}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 8px 26px rgba(0,0,0,.18)}
.faq-list{max-width:780px;margin:0 auto}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:8px;overflow:hidden;background:#fff}
.faq-question{padding:16px 20px;font-size:15px;font-weight:600;color:var(--text);cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:all .25s;user-select:none}
.faq-question:hover{background:var(--bg-light)}
.faq-question i{font-size:14px;transition:transform .3s;color:var(--text-muted);flex-shrink:0;margin-left:12px}
.faq-question.active{color:var(--primary);background:var(--primary-light)}
.faq-question.active i{transform:rotate(45deg);color:var(--primary)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-answer .faq-content{padding:0 20px 18px;font-size:14px;color:var(--text-light);line-height:1.75}
.faq-item:first-child .faq-answer{max-height:500px}
.faq-answer .more-link{display:inline-block;margin-top:6px;font-size:13px;color:var(--primary);font-weight:500;text-decoration:underline}
.faq-answer .more-link:hover{color:var(--primary-dark)}
.quack-cta{text-align:center;padding:52px 24px;background:var(--primary-gradient);color:#fff}
.quack-cta h2{font-size:28px;font-weight:700;margin-bottom:12px}
.quack-cta p{font-size:15px;opacity:.9;margin-bottom:24px;max-width:560px;margin-left:auto;margin-right:auto}
.back-to-top{position:fixed;right:22px;bottom:110px;width:42px;height:42px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px;cursor:pointer;z-index:900;opacity:0;visibility:hidden;transition:all .3s;box-shadow:0 4px 12px rgba(108,63,181,.3)}
.back-to-top.show{opacity:1;visibility:visible}
.back-to-top:hover{background:var(--primary-dark);transform:translateY(-2px)}
.star-rating{color:var(--star);font-size:14px;letter-spacing:1px}
.star-rating .fa-star-o{color:#ddd}
.page-container{padding-top:40px;padding-bottom:40px}
.section-gap{margin-bottom:48px}
.section-gap-sm{margin-bottom:32px}
.about-h2{font-size:28px;font-weight:700;color:#1a1a2e;margin-bottom:16px}
.about-p{font-size:15px;color:var(--text-light);line-height:1.9;margin-bottom:14px}
.about-flex{display:flex;align-items:center;gap:40px;flex-wrap:wrap}
.about-flex-text{flex:1;min-width:280px}
.about-info-card{flex:0 0 280px;background:var(--primary-gradient);border-radius:var(--radius-lg);padding:32px;text-align:center;color:#fff}
.about-info-card .info-icon{font-size:48px;margin-bottom:12px}
.about-info-card h3{font-size:20px;font-weight:700;margin-bottom:8px}
.about-info-card .info-tagline{font-size:13px;opacity:.85;margin-bottom:16px}
.about-info-card .info-detail{font-size:12px;opacity:.7;line-height:1.8}
.timeline{position:relative;padding-left:28px;border-left:3px solid var(--primary)}
.timeline-item{margin-bottom:28px}
.timeline-dot{width:14px;height:14px;border-radius:50%;background:var(--primary);position:absolute;left:-8px;margin-top:6px}
.timeline-h3{font-size:17px;font-weight:600;color:var(--primary);margin-bottom:4px}
.timeline-p{font-size:14px;color:var(--text-light);line-height:1.7}
.contact-section{padding:40px;background:var(--bg-light);border-radius:var(--radius-lg);text-align:center}
.contact-section h2{font-size:24px;font-weight:700;color:#1a1a2e;margin-bottom:12px}
.contact-section .contact-desc{font-size:15px;color:var(--text-light);margin-bottom:24px;max-width:560px;margin-left:auto;margin-right:auto;line-height:1.7}
.contact-cards{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}
.contact-card{background:#fff;padding:20px 28px;border-radius:var(--radius);box-shadow:var(--shadow);min-width:140px;text-align:center}
.contact-card .contact-icon{font-size:24px;color:var(--primary);margin-bottom:8px;display:block}
.contact-card .contact-label{font-weight:600;font-size:14px;margin-bottom:4px}
.contact-card .contact-value{font-size:13px;color:var(--text-muted)}
.article-nav{margin-top:32px;padding-top:20px;border-top:1px solid var(--border)}
.article-nav ul{list-style:none;display:flex;justify-content:space-between;gap:16px}
.article-nav li{flex:1;font-size:14px;color:var(--text-light);line-height:1.5}
.article-nav li.l{text-align:left}
.article-nav li.r{text-align:right}
.article-nav li a{color:var(--primary);transition:color .2s}
.article-nav li a:hover{color:var(--primary-dark)}
.article-nav li span{display:block;margin-top:2px;font-size:13px;color:var(--text)}
.article-content{font-size:15px;color:var(--text);line-height:1.9}
.article-content h2{font-size:22px;margin:28px 0 14px}
.article-content h3{font-size:18px;margin:22px 0 12px}
.article-content p{margin-bottom:14px}
.article-content img{margin:18px auto;border-radius:var(--radius-sm)}
.article-header{margin-bottom:28px}
.article-header h1{font-size:28px;font-weight:700;color:#1a1a2e;margin-bottom:14px;line-height:1.4}
.article-meta{display:flex;gap:18px;font-size:13px;color:var(--text-muted);flex-wrap:wrap}
@media (max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr}.page-sidebar{width:260px}}
@media (max-width:768px){
  .nav-list{display:none}
  .header-actions .btn-login,.header-actions .btn-register{display:none}
  .hamburger{display:flex}
  .header-actions{gap:6px}
  .mobile-float-bar{display:block}
  .footer-grid{grid-template-columns:1fr}
  .page-layout{flex-direction:column;padding:24px 16px}
  .page-sidebar{width:100%}
  .lanmu-section-header{padding:34px 16px}
  .lanmu-section-header h1{font-size:24px}
  .section-header h2{font-size:23px}
  .single-section{padding:38px 0}
  .feature-grid{grid-template-columns:1fr}
  .back-to-top{right:14px;bottom:150px}
  .footer-bottom{flex-direction:column;text-align:center}
  .anchor-nav{overflow-x:auto;flex-wrap:nowrap;gap:6px;padding:8px 0;-webkit-overflow-scrolling:touch}
  .anchor-nav a{flex-shrink:0}
  .container{padding:0 16px}
  .article-header h1{font-size:22px}
}
@media (max-width:480px){
  .header-inner .logo span{font-size:14px}
  .header-inner .logo img{height:28px}
  .header-inner{padding:0 14px}
  .quack-footer{padding:40px 0 22px}
  .section-header h2{font-size:20px}
  .single-section h2{font-size:20px}
}