:root {
  --primary: #00475d;
  --primary-dark: #003545;
  --primary-light: #e8f4f8;
  --accent: #e8452d;
  --accent-hover: #c0392b;
  --accent-light: #fef5f3;
  --text: #333333;
  --text-light: #666666;
  --text-muted: #999999;
  --heading: #1a1a1a;
  --border: #e5e5e5;
  --bg-light: #f8f9fa;
  --bg-dark: #1a1a2e;
  --footer-bg: #0d0d0d;
  --white: #ffffff;
  --radius: 8px;
  --max-width: 1200px;
  --nav-height: 70px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;font-size:15px;color:var(--text);line-height:1.7;background:var(--white);-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit;transition:color .2s}
ul,ol{list-style:none}
img{max-width:100%;height:auto;display:block}
.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}
.clearfix::after{content:"";display:table;clear:both}

/* ========== Header ========== */
.lingting-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(13,13,13,.95);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.08);transition:all .3s}
.header-inner{max-width:var(--max-width);margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;height:var(--nav-height)}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo img{height:40px;width:auto}
.logo span{font-size:20px;font-weight:700;color:var(--white);letter-spacing:1px}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-list>li{position:relative}
.nav-list>li>a{display:block;padding:10px 16px;color:rgba(255,255,255,.85);font-size:14px;font-weight:500;border-radius:6px;transition:all .2s;white-space:nowrap}
.nav-list>li>a:hover,.nav-list>li>a.active{color:var(--white);background:rgba(255,255,255,.1)}
.nav-list>li>a.has-dropdown::after{content:"\f107";font-family:"FontAwesome";margin-left:4px;font-size:12px}
.nav-sub{position:absolute;top:100%;left:0;min-width:160px;background:#1e1e2d;border-radius:8px;padding:8px 0;opacity:0;visibility:hidden;transform:translateY(8px);transition:all .25s;box-shadow:0 10px 40px rgba(0,0,0,.3);border:1px solid rgba(255,255,255,.08)}
.nav-list>li:hover>.nav-sub{opacity:1;visibility:visible;transform:translateY(0)}
.nav-sub a{display:block;padding:10px 20px;color:rgba(255,255,255,.8);font-size:13px;transition:all .2s}
.nav-sub a:hover,.nav-sub a.active1{color:var(--white);background:rgba(255,255,255,.08)}
.header-actions{display:flex;align-items:center;gap:12px}
.btn-header-exp{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;background:var(--accent);color:var(--white);border-radius:20px;font-size:13px;font-weight:600;transition:all .3s;white-space:nowrap}
.btn-header-exp:hover{background:var(--accent-hover);color:var(--white);transform:translateY(-1px)}
.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;background:none;border:none;cursor:pointer;padding:8px;width:40px;height:40px}
.hamburger span{display:block;width:24px;height:2px;background:var(--white);border-radius:1px;transition:all .3s}

/* Mobile Menu */
.mobile-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:1001}
.mobile-menu{display:none;position:fixed;top:0;right:-300px;width:280px;height:100vh;background:#1a1a2e;z-index:1002;padding:80px 24px 30px;overflow-y:auto;transition:right .3s}
.mobile-menu.active{right:0}
.mobile-menu a{display:block;padding:12px 0;color:rgba(255,255,255,.85);font-size:16px;border-bottom:1px solid rgba(255,255,255,.06);transition:all .2s}
.mobile-menu a:hover,.mobile-menu a.active{color:var(--accent)}
.nav-sub-mobile{padding-left:16px;margin-bottom:8px}
.nav-sub-mobile a{font-size:14px;color:rgba(255,255,255,.65)}

/* ========== Lanmu Section Header ========== */
.lanmu-section-header{background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 100%);padding:90px 0 50px;text-align:center;position:relative;overflow:hidden}
.lanmu-section-header::before{content:"";position:absolute;top:-50%;right:-20%;width:500px;height:500px;border-radius:50%;background:rgba(255,255,255,.03)}
.lanmu-section-header h1{font-size:36px;color:var(--white);margin-bottom:12px;font-weight:700}
.lanmu-section-header p{font-size:15px;color:rgba(255,255,255,.75);max-width:700px;margin:0 auto;line-height:1.8}

/* ========== Breadcrumb ========== */
.breadcrumb{padding:16px 0;background:var(--bg-light);border-bottom:1px solid var(--border)}
.breadcrumb .container{display:flex;align-items:center;gap:6px;flex-wrap:wrap;font-size:13px;color:var(--text-muted)}
.breadcrumb svg{flex-shrink:0;color:var(--primary)}
.breadcrumb a{color:var(--text-light)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span{color:var(--text-muted)}
.breadcrumb-list-top{margin-top:0}
.breadcrumb-show-top{margin-top:var(--nav-height)}

/* ========== Page Layout ========== */
.page-wrapper{display:flex;gap:32px;padding:40px 0}
.page-main{flex:1;min-width:0}
.page-sidebar{width:320px;flex-shrink:0}

/* ========== Sidebar ========== */
.sidebar-card{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);border-radius:var(--radius);padding:24px;color:var(--white);text-align:center;margin-bottom:24px}
.sidebar-card h3{font-size:18px;margin-bottom:8px}
.sidebar-card p{font-size:13px;color:rgba(255,255,255,.8);margin-bottom:16px}
.sidebar-card a{display:inline-block;padding:10px 28px;background:var(--accent);color:var(--white);border-radius:24px;font-size:14px;font-weight:600;transition:all .3s}
.sidebar-card a:hover{background:var(--accent-hover);color:var(--white)}
.sidebar-module{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.sidebar-title{font-size:16px;color:var(--heading);margin-bottom:14px;padding-bottom:12px;border-bottom:2px solid var(--primary);position:relative}
.latest-list{display:flex;flex-direction:column}
.latest-item{display:flex;align-items:flex-start;gap:8px;padding:10px 0;border-bottom:1px dashed var(--border)}
.latest-item:last-child{border-bottom:none}
.item-icon{color:var(--primary);font-weight:700;flex-shrink:0}
.latest-item a{font-size:13px;color:var(--text);line-height:1.5;transition:color .2s}
.latest-item a:hover{color:var(--primary)}

/* ========== Section ========== */
.section{padding:80px 0}
.section.bg-gray{background:var(--bg-light)}
.section-header{text-align:center;margin-bottom:50px}
.section-label{display:inline-block;padding:6px 18px;background:var(--primary-light);color:var(--primary);border-radius:20px;font-size:12px;font-weight:600;letter-spacing:1px;text-transform:uppercase;margin-bottom:16px}
.section-header h2{font-size:32px;color:var(--heading);margin-bottom:12px;font-weight:700}
.section-header p{font-size:15px;color:var(--text-muted);max-width:600px;margin:0 auto}

/* ========== List Items ========== */
.content-listbody{display:flex;flex-direction:column;gap:20px}
.list-item{display:flex;gap:20px;padding:20px;border:1px solid var(--border);border-radius:var(--radius);transition:all .3s;background:var(--white)}
.list-item:hover{box-shadow:0 4px 20px rgba(0,0,0,.08);transform:translateY(-2px)}
.list-item .news-img{width:200px;height:130px;border-radius:6px;overflow:hidden;flex-shrink:0}
.list-item .news-img img{width:100%;height:100%;object-fit:cover}
.list-item .news-content{flex:1;display:flex;flex-direction:column;justify-content:space-between;min-width:0}
.news-title{font-size:18px;font-weight:600;margin-bottom:8px}
.news-title a{color:var(--heading);transition:color .2s}
.news-title a:hover{color:var(--primary)}
.news-desc{font-size:13px;color:var(--text-muted);line-height:1.6;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:16px;font-size:12px;color:var(--text-muted)}
.news-meta a{color:var(--primary);font-weight:500}
.news-meta a:hover{color:var(--primary-dark)}

/* ========== Single Content ========== */
.single-content{padding:40px 0;max-width:860px;margin:0 auto}
.single-content h1{font-size:32px;color:var(--heading);margin-bottom:20px}
.single-content h2{font-size:24px;color:var(--heading);margin:36px 0 16px;padding-left:12px;border-left:3px solid var(--primary)}
.single-content h3{font-size:18px;color:var(--heading);margin:24px 0 12px}
.single-content p{font-size:15px;color:var(--text);line-height:1.9;margin-bottom:16px}
.single-content ul,.single-content ol{margin:12px 0 20px 20px}
.single-content li{font-size:15px;color:var(--text);line-height:2;position:relative;padding-left:8px}
.single-content li::before{content:"▪";color:var(--primary);margin-right:8px}

/* ========== Article Content (show page) ========== */
.content-area-show{padding:20px 0}
.article-title{font-size:28px;color:var(--heading);line-height:1.4;margin-bottom:16px}
.article-meta{display:flex;align-items:center;gap:20px;font-size:13px;color:var(--text-muted);padding-bottom:20px;border-bottom:1px solid var(--border);margin-bottom:24px}
.article-meta span{display:flex;align-items:center;gap:6px}
.article-content{font-size:15px;color:var(--text);line-height:1.9}
.article-content p{margin-bottom:16px}
.article-content img{max-width:100%;border-radius:var(--radius);margin:20px 0}
.article-pager{display:flex;justify-content:space-between;padding:20px 0;margin-top:30px;border-top:1px solid var(--border);font-size:13px;color:var(--text-muted)}
.article-pager a{color:var(--primary)}
.article-pager a:hover{color:var(--primary-dark)}

/* ========== Pagination ========== */
.pagination{display:flex;justify-content:center;gap:8px;padding:30px 0}
.pagination a,.pagination span{display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:36px;padding:0 10px;border:1px solid var(--border);border-radius:6px;font-size:13px;color:var(--text);transition:all .2s}
.pagination a:hover,.pagination .current{border-color:var(--primary);background:var(--primary);color:var(--white)}

/* ========== Buttons ========== */
.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;background:var(--accent);color:var(--white);border-radius:28px;font-size:15px;font-weight:600;transition:all .3s;border:none;cursor:pointer}
.btn-primary:hover{background:var(--accent-hover);color:var(--white);transform:translateY(-2px);box-shadow:0 8px 25px rgba(232,69,45,.35)}
.btn-secondary{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;background:transparent;color:var(--primary);border:2px solid var(--primary);border-radius:28px;font-size:15px;font-weight:600;transition:all .3s;cursor:pointer}
.btn-secondary:hover{background:var(--primary);color:var(--white);transform:translateY(-2px)}

/* ========== FAQ ========== */
.faq-list{max-width:860px;margin:0 auto}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;background:var(--white);overflow:hidden;transition:all .3s}
.faq-item.active{border-color:var(--primary);box-shadow:0 2px 12px rgba(0,71,93,.08)}
.faq-question{display:flex;justify-content:space-between;align-items:center;padding:18px 24px;cursor:pointer;font-size:15px;font-weight:600;color:var(--heading);transition:all .2s;user-select:none}
.faq-question i{color:var(--text-muted);transition:all .3s;font-size:14px}
.faq-item.active .faq-question{color:var(--primary)}
.faq-item.active .faq-question i{transform:rotate(45deg);color:var(--primary)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease,padding .3s;font-size:14px;color:var(--text-light);line-height:1.8;padding:0 24px;background:var(--bg-light)}
.faq-item.active .faq-answer{max-height:300px;padding:0 24px 18px}
.more-link{display:inline-block;color:var(--primary);font-weight:600;font-size:13px;margin-top:8px}
.more-link:hover{color:var(--accent)}

/* ========== CTA Banner ========== */
.cta-banner{background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 100%);border-radius:12px;padding:50px 40px;text-align:center;color:var(--white);margin:40px 0}
.cta-banner h2{font-size:28px;color:var(--white);margin-bottom:12px}
.cta-banner p{font-size:15px;color:rgba(255,255,255,.75);margin-bottom:24px}
.cta-banner .btn-primary{background:var(--accent)}
.cta-banner .btn-primary:hover{background:var(--accent-hover)}

/* ========== Grid 2 ========== */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin:30px 0}
.icon-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:30px 24px;text-align:center;transition:all .3s}
.icon-card:hover{box-shadow:0 6px 24px rgba(0,0,0,.08);transform:translateY(-3px)}
.icon-card .ic-icon{width:56px;height:56px;margin:0 auto 16px;background:var(--primary-light);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--primary)}
.icon-card h3{font-size:17px;color:var(--heading);margin-bottom:8px}
.icon-card p{font-size:13px;color:var(--text-muted);line-height:1.7}

/* ========== Footer ========== */
.lingting-footer{background:var(--footer-bg);color:rgba(255,255,255,.7);padding:60px 0 0}
.footer-grid{max-width:var(--max-width);margin:0 auto;padding:0 20px;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer-col h4{color:var(--white);font-size:16px;margin-bottom:20px;font-weight:600}
.footer-col p{font-size:13px;line-height:1.9;margin-bottom:16px}
.footer-col a{display:block;font-size:13px;color:rgba(255,255,255,.55);padding:6px 0;transition:color .2s}
.footer-col a:hover{color:var(--accent)}
.footer-social{display:flex;gap:12px;margin-top:16px}
.footer-social a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.7);font-size:16px;transition:all .3s;padding:0}
.footer-social a:hover{background:var(--accent);color:var(--white)}
.footer-bottom{max-width:var(--max-width);margin:40px auto 0;padding:20px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12px;color:rgba(255,255,255,.4)}

/* ========== Mobile Float Bar ========== */
.mobile-float-bar{display:none;position:fixed;bottom:0;left:0;right:0;z-index:999;padding:12px 20px;background:var(--white);box-shadow:0 -4px 20px rgba(0,0,0,.12)}
.btn-float-experience{width:100%;padding:14px;background:var(--accent);color:var(--white);border:none;border-radius:24px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s}
.btn-float-experience:hover{background:var(--accent-hover)}
.mobile-float-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);z-index:1000}
.mobile-float-popup{display:none;position:fixed;bottom:80px;left:20px;right:20px;z-index:1001;background:var(--white);border-radius:12px;padding:20px;box-shadow:0 -8px 40px rgba(0,0,0,.15);flex-direction:column;gap:12px}
.mobile-float-popup.active{display:flex}
.mobile-float-popup a{display:block;padding:14px 20px;text-align:center;border:2px solid var(--primary);color:var(--primary);border-radius:8px;font-size:15px;font-weight:600;transition:all .2s}
.mobile-float-popup a:hover{background:var(--primary);color:var(--white)}

/* ========== Back to Top ========== */
.back-to-top{position:fixed;bottom:100px;right:30px;width:44px;height:44px;background:var(--primary);color:var(--white);border:none;border-radius:50%;cursor:pointer;font-size:18px;z-index:998;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .3s;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 15px rgba(0,71,93,.3)}
.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{background:var(--primary-dark);transform:translateY(-3px)}

/* ========== Responsive ========== */
@media (max-width:900px){
  .header-actions .btn-header-exp{display:none}
  .hamburger{display:flex}
  .nav-list{display:none}
  .mobile-overlay,.mobile-menu{display:block}
  .mobile-overlay.active{display:block}
  .page-wrapper{flex-direction:column;padding:24px 0}
  .page-sidebar{width:100%}
  .grid-2{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .lanmu-section-header{padding:70px 0 40px}
  .lanmu-section-header h1{font-size:26px}
  .section{padding:50px 0}
  .section-header h2{font-size:24px}
  .list-item{flex-direction:column}
  .list-item .news-img{width:100%;height:180px}
  .single-content h1{font-size:24px}
  .article-title{font-size:22px}
  .mobile-float-bar{display:block}
  .mobile-float-overlay.active{display:block}
  .back-to-top{bottom:110px;right:16px}
}
@media (max-width:480px){
  .container{padding:0 16px}
  .header-inner{padding:0 16px}
  .logo span{font-size:17px}
  .logo img{height:32px}
  .lanmu-section-header h1{font-size:22px}
  .section-header h2{font-size:20px}
  .cta-banner{padding:30px 20px}
  .cta-banner h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;text-align:center}
}