/* roulang page: index */
:root{
  --primary:#2C6E94;
  --primary-dark:#1C4E70;
  --primary-light:#EAF2F7;
  --secondary:#B08454;
  --gold-light:#D8B98E;
  --bg-soft:#F7FAFC;
  --text-main:#192A33;
  --text-sub:#647985;
  --text-mute:#94A6B3;
  --border:#D2DEE8;
  --line:#DFE7EE;
  --white:#FFFFFF;
  --radius-btn:6px;
  --radius-card:10px;
  --radius-hero:16px;
  --shadow-card:0 2px 8px rgba(36,65,83,.06),0 10px 28px rgba(36,65,83,.05);
  --shadow-hover:0 8px 20px rgba(36,65,83,.08),0 18px 40px rgba(36,65,83,.09);
  --font-main:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --tnum:font-feature-settings "tnum";
  --section-space:100px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-main);background:var(--white);color:var(--text-main);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s, border-color .25s, background-color .25s, opacity .25s}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--section-space) 0}
.section-bg{background:var(--primary-light)}
.text-center{text-align:center}
.fs-14{font-size:14px}.fs-15{font-size:15px}.fs-18{font-size:18px}.fs-20{font-size:20px}
.tnum,.stat-num{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}
h1,h2,h3,h4{line-height:1.35;font-weight:700;color:var(--text-main)}
h2{font-size:32px;margin-bottom:14px}
h3{font-size:20px;font-weight:600}
.section-title-wrap{margin-bottom:40px}
.section-title{font-size:32px;font-weight:700;line-height:1.4;position:relative}
.section-sub{font-size:16px;color:var(--text-sub);max-width:560px}
.section-sub.center{margin-left:auto;margin-right:auto;text-align:center}
.sep-line{width:44px;height:3px;background:var(--secondary);margin:18px 0;border-radius:2px}
.sep-line.center{margin:18px auto 16px}
.center .sep-line{margin-left:auto;margin-right:auto}

/* 按钮 */
.btn-wrap{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 26px;font-size:15px;font-weight:600;border-radius:var(--radius-btn);transition:all .25s;line-height:1;cursor:pointer;border:1px solid transparent}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 12px rgba(44,110,148,.25)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;box-shadow:0 8px 18px rgba(28,78,112,.3);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:rgba(44,110,148,.04);border-color:var(--primary-dark);color:var(--primary-dark)}
.btn-white{background:#fff;color:var(--primary);border-color:#fff}
.btn-white:hover{background:rgba(255,255,255,.85);color:var(--primary-dark)}
.btn-lg{height:48px;padding:0 32px;font-size:16px}
.btn-sm{height:32px;padding:0 14px;font-size:13px;font-weight:500}

/* header */
.site-header{position:sticky;top:0;background:#fff;z-index:200;border-bottom:1px solid var(--line);box-shadow:0 1px 4px rgba(36,65,83,.03)}
.header-inner{height:72px;display:flex;align-items:center;justify-content:space-between}
.logo{font-size:23px;font-weight:700;color:var(--text-main);letter-spacing:.2px;line-height:1.2;white-space:nowrap}
.logo a{color:inherit}
.logo .logo-sub{display:block;font-size:11px;color:var(--text-sub);font-weight:400;letter-spacing:1.2px;line-height:1}
.main-nav ul{display:flex;gap:4px;align-items:center}
.main-nav > ul > li{position:relative}
.main-nav > ul > li > a{display:flex;align-items:center;height:60px;padding:0 16px;font-size:15px;color:var(--text-main);position:relative;font-weight:500}
.main-nav > ul > li > a i{font-size:12px;margin-left:5px;color:var(--text-mute)}
.main-nav > ul > li > a::after{content:"";position:absolute;bottom:-1px;left:16px;right:16px;height:2px;background:var(--secondary);border-radius:2px 2px 0 0;transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.main-nav > ul > li > a:hover::after,.main-nav > ul > li.active > a::after,.main-nav > ul > li > a:focus-visible::after{transform:scaleX(1)}
.main-nav > ul > li > a:hover,.main-nav > ul > li.active > a{color:var(--primary)}
.header-cta{display:flex;align-items:center;gap:14px}
.header-cta .btn{height:38px}
.mega-trigger{position:static}
.mega-trigger .mega-btn{cursor:pointer}
.mega-panel{position:absolute;top:calc(100% - 1px);left:50%;transform:translateX(-50%) translateY(6px);width:680px;background:#fff;border-radius:10px;border:1px solid var(--line);box-shadow:0 12px 32px rgba(26,58,76,.12);opacity:0;visibility:hidden;transition:all .25s ease;padding:20px;z-index:100}
.mega-panel::before{content:"";position:absolute;top:-5px;left:0;height:8px;width:100%}
.mega-trigger:hover .mega-panel,.mega-trigger:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.mega-grid{display:grid;grid-template-columns:1.2fr 1fr .9fr;gap:18px}
.mega-col-title{font-size:13px;font-weight:700;color:var(--primary);margin-bottom:12px;letter-spacing:.3px}
.mega-link-list li{margin-bottom:4px}
.mega-link-list a{display:flex;align-items:center;padding:8px 10px;font-size:14px;border-radius:6px;color:var(--text-main)}
.mega-link-list a i{font-size:14px;color:var(--primary);width:18px;text-align:center;margin-right:8px}
.mega-link-list a:hover{background:var(--primary-light);color:var(--primary-dark)}
.mega-news-item{padding:10px 8px;border-radius:8px}
.mega-news-item:hover{background:var(--primary-light)}
.mega-news-item small{font-size:12px;color:var(--text-sub)}
.mega-news-item .title{font-size:14px;line-height:1.5}
.mega-news-item:hover .title{color:var(--primary)}
.mega-entry-card{background:var(--primary-light);border:1px solid var(--line);border-radius:8px;padding:14px;display:flex;flex-direction:column;height:100%}
.mega-entry-card .entry-title{font-size:14px;font-weight:600}
.mega-entry-card .entry-desc{font-size:12px;color:var(--text-sub);margin-top:6px}
.mega-entry-card .entry-more{font-size:13px;font-weight:600;color:var(--primary);margin-top:auto;line-height:1}
.mega-entry-card .entry-more i{font-size:12px;margin-left:6px}

/* Hamburger */
.hamburger{display:none;width:44px;height:44px;align-items:center;justify-content:center;font-size:22px;color:var(--text-main);cursor:pointer;border:none;background:none}
.hamburger:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.mobile-nav{display:none;position:fixed;top:0;left:0;width:100%;height:100vh;background:#fff;z-index:250;overflow-y:auto;padding:24px}
.mobile-nav .mobile-nav-header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:16px}
.mobile-nav .mobile-nav-close{width:36px;height:36px;background:var(--bg-soft);border:1px solid var(--line);border-radius:6px;font-size:16px;color:var(--text-main);cursor:pointer}
.mobile-nav-list{padding:12px 0}
.mobile-nav-list > li > a{display:block;font-size:18px;font-weight:600;padding:14px 4px;color:var(--text-main);border-bottom:1px solid #f0f4f7}
.mobile-nav-list > li.active > a{color:var(--primary)}
.mobile-sub{padding-left:16px;font-size:14px;color:var(--text-sub)}
/* Hero */
.hero{background:var(--primary-light);padding:64px 0 72px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:-120px;right:-160px;width:380px;height:380px;border-radius:50%;background:rgba(176,132,84,.08);z-index:1}
.hero-inner{display:grid;grid-template-columns:55% 45%;align-items:center;gap:20px}
.hero-copy{padding-right:30px;position:relative;z-index:2}
.hero-title{font-size:42px;line-height:1.22;font-weight:700;color:var(--text-main);letter-spacing:.2px;margin-bottom:18px}
.hero-title .accent{color:var(--primary);position:relative}
.hero-sub{font-size:18px;color:#435a67;line-height:1.8;}
.hero-sub-intro{font-size:15px;color:var(--text-sub);margin-top:12px}
.hero-buttons{margin-top:30px}
.hero-note{margin-top:14px;font-size:13px;color:var(--text-sub);display:flex;align-items:center}
.hero-note i{color:var(--gold-light);margin-right:6px}
.hero-media{position:relative;z-index:2}
.hero-img-frame{position:relative;border-radius:var(--radius-hero);box-shadow:var(--shadow-hover);overflow:hidden;border:4px solid #fff;aspect-ratio:4/3.1}
.hero-img-frame img{object-fit:cover;width:100%;height:100%;transform:scale(1.02);transition:transform .8s ease}
.hero-img-frame:hover img{transform:scale(1.04)}
.hero-badge{position:absolute;bottom:-16px;right:20px;width:76px;height:76px;border-radius:50%;background:#fff;box-shadow:var(--shadow-hover);display:flex;align-items:center;justify-content:center;border:1px solid var(--gold-light);z-index:3}
.hero-badge-inner{width:64px;height:64px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;flex-direction:column}
.hero-badge-inner .cbadge-text{font-size:10px;color:var(--primary);font-weight:600;letter-spacing:1px}

/* 服务 错落双大行卡 */
.services-block{padding:90px 0 40px}
.service-row{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:20px;margin-bottom:70px}
.service-row.reverse .col:first-child{order:2}
.service-row.reverse .col:last-child{order:1}
.service-card{padding-right:40px}
.service-icon{width:58px;height:58px;border-radius:12px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;border:1px solid var(--line);color:var(--primary);font-size:22px;margin-bottom:22px}
.service-title{font-size:24px;font-weight:600;line-height:1.4;margin-bottom:14px}
.service-desc{color:var(--text-sub);font-size:16px;line-height:1.8;margin-bottom:22px}
.service-points{margin-bottom:22px}
.service-points li{padding:7px 0;display:flex;align-items:center;font-size:15px;line-height:1.7}
.service-points i{color:var(--secondary);width:22px;font-size:15px;text-align:center;margin-right:6px;flex-shrink:0;font-weight:600}
.service-link{font-size:15px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;transition:gap .25s}
.service-link i{font-size:13px;margin-left:4px;transition:margin-left .25s}
.service-link:hover i{margin-left:8px}
.service-link:focus-visible{margin-left:2px}

/* 数据条 */
.stats-block{background:#Eaf1f5;position:relative;padding:56px 0}
.stats-block .container{position:relative;z-index:2}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-item{text-align:center;padding:14px 18px;border-left:1px solid var(--gold-light)}
.stat-item:first-child{border-left:none}
.stat-num{font-size:42px;font-weight:700;color:var(--primary);letter-spacing:-.5px}
.stat-label{font-size:14px;color:var(--text-sub);margin-top:6px;letter-spacing:.3px;border-top:0}
.stat-label small{display:block;font-size:12px;color:var(--text-mute);margin-top:2px}

/* 案例 */
.cases-block{padding:100px 0 80px}
.cases-hero-card{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-card);overflow:hidden;height:100%;display:flex;align-items:stretch}
.cases-hero-img{width:58%;min-height:300px}
.cases-hero-img img,.cases-sm-img img{width:100%;height:100%;object-fit:cover}
.cases-hero-body{padding:28px 28px 24px;display:flex;flex-direction:column;width:42%}
.cases-grid-main{display:grid;grid-template-columns:1.5fr 1fr;gap:28px}
.tag-sm{display:inline-block;font-size:12px;font-weight:600;color:var(--primary);background:var(--primary-light);padding:4px 10px;border-radius:4px;margin-bottom:10px}
.case-title-main{font-size:20px;color:var(--primary-dark);line-height:1.5;margin-bottom:8px}
.case-desc{font-size:14px;color:var(--text-sub);flex-grow:1}
.case-link{font-size:14px;color:var(--primary);font-weight:600;margin-top:12px;display:inline-block}
.case-stack{display:flex;flex-direction:column;gap:28px;height:100%}
.case-sm-card{display:flex;background:#fff;border:1px solid var(--line);border-radius:12px;padding:6px 16px 6px 6px;height:50%;box-shadow:0 2px 6px rgba(36,65,83,.04)}
.case-sm-img{width:78px;min-height:78px;border-radius:8px;overflow:hidden;flex-shrink:0;aspect-ratio:1}
.case-sm-img img{height:100%;width:100%;object-fit:cover}
.case-sm-body{padding:6px 0 0 18px;display:flex;flex-direction:column}
.case-sm-title{font-size:15px;color:var(--primary-dark);font-weight:600;line-height:1.5}
.case-sm-link{font-size:13px;font-weight:600;color:var(--primary);margin-top:auto;display:flex;align-items:center}
.case-sm-link i{font-size:11px;margin-left:4px}
@media (max-width:480px){
  .case-simple-mobile{display:none;}
}

/* 解决方案 */
.solution-block{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden}
.solution-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:flex-start}
.solution-left{position:sticky;top:110px}
.solution-flow{position:relative;padding-left:10px}
.step-item{display:flex;gap:18px;padding-bottom:26px;position:relative}
.step-item:not(:last-child)::after{content:"";position:absolute;left:25px;top:50px;bottom:2px;width:1px;background:var(--gold-light)}
.step-label{width:50px;height:50px;flex-shrink:0;display:flex;border-radius:50%;background:#fff;box-shadow:var(--shadow-card);align-items:center;justify-content:center;font-weight:700;font-size:17px;color:var(--secondary);border:1px solid #eee5d8}
.step-content{padding-top:2px}
.step-title{font-size:18px;font-weight:600;color:var(--text-main)}
.step-text{font-size:15px;color:var(--text-sub);line-height:1.7}
.solution-note{font-size:15px;padding:12px 0}
.solution-note a{color:var(--primary);font-weight:600;display:inline-flex;align-items:center}
.solution-note a i{font-size:12px;margin-left:6px}
.solution-feature-list li{display:flex;align-items:flex-start;gap:12px;margin-bottom:20px}
.solution-feature-list i{display:inline-flex;width:34px;height:34px;background:#fff;border:1px solid var(--line);border-radius:10px;align-items:center;justify-content:center;color:var(--primary);font-size:15px}

/* 资讯卡片区 CMS */
.news-block{background:#fff;padding:100px 0}
.news-card{background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-card);overflow:hidden;display:flex;flex-direction:column;transition:all .3s}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:#bfd2df}
.news-card-img{aspect-ratio:16/10;background:var(--primary-light);border-bottom:1px solid var(--line)}
.news-card-img img{width:100%;height:100%;object-fit:cover}
.news-card-meta{display:flex;justify-content:space-between;align-items:center;padding:12px 0 0}
.news-date{font-size:13px;color:var(--text-mute);display:inline-flex;align-items:center}
.news-date i{margin-right:4px;font-size:12px}
.news-badge{font-size:11px;font-weight:600;background:var(--primary-light);color:var(--primary);padding:3px 8px;border-radius:4px}
.news-type-ico{background:#f4f7fa;display:flex;align-items:center;justify-content:center;color:#b0c2ce}
.news-card-body{padding:0 20px 20px;display:flex;flex-direction:column;flex:1}
.news-card-title{font-size:16px;font-weight:600;line-height:1.55;color:var(--text-main);margin:6px 0 8px;overflow:hidden;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2}
.news-card-title a:hover{color:var(--primary)}
.news-summary{font-size:14px;color:var(--text-sub);line-height:1.7;overflow:hidden;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;margin-bottom:4px}
.news-more{font-size:13px;color:var(--primary);font-weight:600;gap:6px;letter-spacing:.2px;padding-top:12px;border-top:1px solid #f0f4f7;margin-top:auto;text-align:left}
.news-more i{font-size:11px;margin-left:4px;transition:margin-left .2s}
.news-more:hover i{margin-left:8px}
.empty-box{border:2px dashed var(--border);border-radius:12px;padding:64px 24px;display:flex;flex-direction:column;align-items:center;background:#Fafcfe;grid-column:1/-1;text-align:center}
.empty-ico{width:120px;height:120px;border-radius:50%;border:2px dashed #c7d6e0;display:flex;align-items:center;justify-content:center;color:#c7d6e0;font-size:32px;background:#fff}
.empty-text{color:var(--text-sub);font-size:15px;margin-top:20px}

/* FAQ */
.faq-block{background:var(--bg-soft);padding:90px 0}
.faq-grid{display:grid;grid-template-columns:0.75fr 1.25fr;gap:12px}
.faq-accordion-item{border:1px solid var(--line);background:#fff;border-radius:10px;margin-bottom:12px;overflow:hidden;transition:border-color .2s}
.faq-accordion-item[open] .faq-q::after{content:"";position:absolute;top:16px;right:22px;height:2px;width:12px;background:var(--primary);border:0;transform:rotate(0)}
.faq-accordion-item summary{cursor:pointer;padding:18px 22px 18px 22px;font-size:16px;font-weight:600;color:var(--text-main);list-style:none;display:flex;justify-content:space-between;align-items:center;position:relative}
.faq-accordion-item summary::-webkit-details-marker{display:none}
.faq-question-icon{min-width:18px;height:18px;background:var(--primary-light);border-radius:4px;position:relative;transition:all .2s}
.faq-accordion-item summary:hover{color:var(--primary)}
.faq-accordion-item[open] summary .faq-question-icon::before{content:"−";font-size:16px;line-height:1;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:var(--primary)}
.faq-accordion-item:not([open]) summary .faq-question-icon::before{content:"+";font-size:15px;font-weight:600;line-height:1;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:var(--primary)}
.faq-a{padding:0 20px 22px;font-size:15px;line-height:1.9;color:var(--text-sub);border-top:1px solid #f1f5f8;margin-top:0}
.faq-a p{margin:16px 0 0}
.faq-note{color:var(--text-sub);font-size:14px;margin-top:32px;border-left:4px solid var(--gold-light);padding-left:16px}

/* CTA */
.cta-section{padding:90px 0}
.cta-banner{background:var(--primary-light);border-radius:24px;padding:54px 54px;border:1px solid #e1e9f0;display:grid;grid-template-columns:1fr 1.2fr;gap:54px;align-items:flex-start}
.cta-title{font-size:26px;font-weight:700;color:var(--text-main);margin-bottom:10px}
.cta-title i{color:var(--secondary);font-size:18px;margin-right:10px;vertical-align:middle}
.cta-info .cta-contact-item{display:flex;align-items:center;gap:14px;margin-top:22px;font-size:15px;color:var(--text-main)}
.cta-info .cta-contact-item i{width:42px;height:42px;display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid var(--line);border-radius:10px;color:var(--primary);flex-shrink:0;font-size:16px}
.cta-qr{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px;width:90px;height:90px;margin-top:12px;display:flex;align-items:center;justify-content:center}
.cta-qr-placeholder{width:60px;height:60px;border:1px dashed var(--gold-light);border-radius:6px;display:flex;align-items:center;justify-content:center;color:var(--text-mute);font-size:9px;line-height:1.3;text-align:center;background:linear-gradient(45deg,#f7fafc 25%,transparent 25%),linear-gradient(-45deg,#f7fafc 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#f7fafc 75%),linear-gradient(-45deg,transparent 75%,#f7fafc 75%);background-size:12px 12px}
.cta-form .cta-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 18px;margin-top:14px}
.cta-form input,.cta-form textarea{width:100%;height:44px;border:1px solid var(--border);border-radius:6px;background:#fff;padding:0 14px;font-size:15px;color:var(--text-main);transition:all .2s;font-family:var(--font-main)}
.cta-form textarea{min-height:110px;padding-top:14px;resize:vertical}
.cta-form input::placeholder,.cta-form textarea::placeholder{color:#b6c5cd}
.cta-form input:focus,.cta-form textarea:focus{outline:none;border-color:var(--primary)}
.cta-form-btn{padding-top:14px}
.cta-form-h {font-size:22px;font-weight:700;margin-bottom:2px}
.privacy-note{font-size:12px;color:var(--text-mute);margin-top:12px;display:flex;align-items:center;gap:6px}
.privacy-note i{color:#b6c5cd}

/* footer */
.site-footer{background:#f7fafc;border-top:1px solid var(--line);padding:50px 0 24px;margin-top:0;color:#475e69}
.footer-main{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:30px;padding-bottom:32px}
.footer-brand .logo{font-size:25px}
.footer-brand-desc{font-size:14px;color:var(--text-sub);line-height:1.8;margin-top:16px}
.footer-title{font-size:17px;color:var(--text-main);font-weight:600;margin-top:12px;padding-bottom:14px;position:relative;margin-bottom:14px;letter-spacing:.5px}
.footer-title::after{content:"";display:block;width:36px;height:2px;background:var(--secondary);margin-top:8px;position:absolute;top:calc(100% - 10px);left:0}
.footer-list li{margin-bottom:10px}
.footer-list a{font-size:14px;color:#647985;transition:all .2s}
.footer-list a:hover{padding-left:4px;color:var(--primary)}
.footer-contact-list li{display:flex;gap:10px;align-items:center}
.footer-contact-list i{width:14px;color:var(--secondary);font-size:14px}
.footer-bottom{border-top:1px solid #dce6ec;padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:13px;color:#94a6b3}
.footer-bottom a{color:#94a6b3}
.footer-bottom a:hover{color:var(--primary)}
.back-to-top{position:fixed;right:24px;bottom:24px;background:var(--primary);color:#fff;width:40px;height:40px;border-radius:8px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 10px rgba(28,78,112,.2);cursor:pointer;opacity:0;visibility:hidden;transition:all .25s;z-index:400}
.back-to-top.show{opacity:1;visibility:visible}
.back-to-top:hover{background:var(--primary-dark)}

/* Responsive */
@media (max-width:1024px){
  :root{--section-space:75px}
  .hero-inner{grid-template-columns:1fr;gap:38px}
  .hero-copy{padding-right:0}
  .hero-title{font-size:36px}
  .mega-panel{width:600px;left:50%}
  .cases-grid-main{grid-template-columns:1fr}
  .case-stack{flex-direction:column;height:auto}
  .case-sm-card{height:auto}
  .solution-grid{grid-template-columns:1fr;gap:20px}
  .solution-left{position:static}
  .product-grid{grid-template-columns:1fr}
  .cta-banner{grid-template-columns:1fr;padding:40px}
  .faq-grid{grid-template-columns:1fr;gap:32px}
}
@media (max-width:768px){
  :root{--section-space:56px;--section-title-size:28px}
  .header-inner{height:64px}
  .main-nav,.header-cta .btn{display:none}
  .hamburger{display:flex}
  .header-cta{margin-left:auto}
  .section-title{font-size:28px}
  .service-row{grid-template-columns:1fr;gap:10px}
  .service-card{padding-right:10}
  .service-row.reverse .col:first-child{order:1}
  .service-row.reverse .col:last-child{order:2}
  .service-row.reverse .col:last-child .service-card{padding-right:10px}
  .footer-main{grid-template-columns:1fr;gap:18px}
  .footer-title{margin-top:0}
  .footer-brand{margin-bottom:8px}
  .stats-grid{grid-template-columns:repeat(2,1fr);border-left:none}
  .stat-item{border-left:none;border-top:1px solid var(--gold-light);padding:20px 8px}
  .cases-hero-card{flex-direction:column}
  .cases-hero-img{width:100%;height:240px}
  .cases-hero-body{width:100%}
  .cta-banner{grid-template-columns:1fr;padding:32px 20px}
  .cta-form-grid{grid-template-columns:1fr}
  .solution-note{margin-bottom:20px}
  .news-card{margin-bottom:20px}

  /* mobile nav */
  .mobile-nav{display:block}
  .mega-grid{grid-template-columns:1fr;gap:14px}
  .mega-entry-card{display:block;margin-bottom:8px}
}
@media (max-width:480px){
  .hero{padding:44px 0 56px}
  .hero-badge{transform:scale(.8);transform-origin:right bottom;right:12px;bottom:-10px}
  .btn{width:auto;min-width:0;padding:0 18px}
  .btn-lg{width:100%;max-width:320px;margin-bottom:0}
  .service-desc,.news-summary{font-size:14px}
  .btn-primary,.btn-outline{display:inline-flex}
  .hero-buttons .btn{font-size:15px;padding:0 18px;height:44px}
  .case-sm-card{flex-direction:row;padding-right:8px}
  .solution-feature-list{flex-direction:column}
  .footer-bottom{justify-content:flex-start;flex-direction:column}
  .empty-box{padding:50px 10px}
  .qtip-hint{display:none}
}
/* 页面焦点 */
a:focus-visible, button:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
input:focus-visible,textarea:focus-visible{outline:2px solid var(--gold-light);outline-offset:0}

/* roulang page: article */
:root{
  --primary:#2C6E94;
  --primary-deep:#1C4E70;
  --primary-soft:#EAF2F7;
  --primary-mist:#F2F7FA;
  --gold:#B08454;
  --gold-soft:#D8B98E;
  --heading:#192A33;
  --muted:#647985;
  --faint:#94A6B3;
  --border:#D2DEE8;
  --line:#DFE7EE;
  --body:#FFFFFF;
  --text:#273A47;
  --radius-btn:6px;
  --radius-card:10px;
  --radius-hero:16px;
  --shadow-1:0 2px 8px rgba(36,65,83,.04),0 10px 28px rgba(36,65,83,.05);
  --shadow-hover:0 8px 20px rgba(36,65,83,.08),0 18px 40px rgba(36,65,83,.09);
  --space-section:90px;
  --container:1200px;
  --font-ui:PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans SC,Helvetica Neue,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--font-ui);background:var(--body);color:var(--text);line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3,h4,h5,h6{color:var(--heading);line-height:1.3;margin:0 0 .65em;font-weight:700}
h1{font-size:38px;letter-spacing:-.5px}
h2{font-size:30px;letter-spacing:-.3px}
h3{font-size:20px}
p{margin:0 0 1.1em}
a{color:var(--primary);text-decoration:none;transition:color .2s,border-color .2s,background .2s}
a:hover{color:var(--primary-deep)}
img{max-width:100%;height:auto}
ul,ol{margin:0 0 1.2em;padding-left:1.3em}
figure{margin:1.5em 0}
table{width:100%;border-collapse:collapse;margin:1.5em 0}
table td,table th{border:1px solid var(--line);padding:10px 12px;font-size:15px}
blockquote{margin:1.6em 0;padding:18px 22px;border-left:4px solid var(--primary);background:var(--primary-mist);border-radius:0 10px 10px 0;color:#2b4656}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border-radius:var(--radius-btn);font-weight:600;font-size:15px;line-height:1;border:1px solid transparent;cursor:pointer;transition:all .2s ease;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-deep);color:#fff;box-shadow:0 10px 24px rgba(44,110,148,.2);transform:translateY(-1px)}
.btn-outline{border-color:var(--primary);background:transparent;color:var(--primary)}
.btn-outline:hover{background:rgba(44,110,148,.06);border-color:var(--primary-deep);color:var(--primary-deep)}
.btn-light{background:#fff;color:var(--primary);box-shadow:0 4px 14px rgba(44,110,148,.18)}
.btn-light:hover{background:var(--primary-soft);color:var(--primary-deep)}
.container{max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px}
.site-header{position:sticky;top:0;z-index:80;background:#fff;height:72px;border-bottom:1px solid var(--line);box-shadow:0 1px 6px rgba(36,65,83,.03)}
.header-inner{max-width:var(--container);margin:0 auto;height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 24px}
.logo{font-size:24px;font-weight:700;color:var(--heading);letter-spacing:-.3px;line-height:1.2;white-space:nowrap}
.logo a{color:var(--heading)}
.logo a:hover{color:var(--primary-deep)}
.logo em{font-style:normal;color:var(--primary)}
.main-nav{display:flex;align-items:center}
.main-nav ul{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.main-nav ul li{position:relative}
.main-nav ul li>a{display:flex;align-items:center;height:72px;padding:0 16px;color:var(--heading);font-size:15px;font-weight:500;transition:color .2s,border-color .2s}
.main-nav ul li>a:hover,.main-nav ul li.active>a{color:var(--primary)}
.main-nav ul li.active>a{position:relative}
.main-nav ul li.active>a::after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:2px;background:var(--gold);border-radius:2px}
.header-cta{display:flex;align-items:center;gap:12px}
.btn-nav{height:38px;padding:0 18px;font-size:14px;border-radius:var(--radius-btn)}
.mega-trigger .mega-panel{position:absolute;top:100%;left:auto;right:-10px;width:720px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:0 12px 32px rgba(26,58,76,.12);padding:26px 28px;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .2s ease,transform .2s ease,visibility .2s ease;z-index:99}
.mega-trigger:hover .mega-panel,.mega-trigger:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1.1fr 1fr .9fr;gap:30px}
.mega-col-title{font-size:14px;font-weight:600;color:var(--heading);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.mega-col-title::before{content:"";width:4px;height:14px;border-radius:4px;background:var(--gold)}
.mega-link-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:0}
.mega-link-list li a{display:flex;align-items:center;gap:10px;height:38px;color:#415768;font-size:14px}
.mega-link-list li a i{width:6px;height:6px;border:1px solid var(--primary);border-radius:50%;background:#fff;font-size:0}
.mega-link-list li a:hover{color:var(--primary);text-decoration:none}
.mega-news-item{display:block;padding:10px 14px;margin-bottom:10px;border-left:2px solid var(--line);background:var(--primary-mist);border-radius:0 8px 8px 0;transition:all .2s}
.mega-news-item:hover{border-left-color:var(--primary);background:var(--primary-soft);text-decoration:none}
.mega-news-item small{display:block;font-size:12px;color:var(--faint);margin-bottom:4px}
.mega-news-item .title{font-size:14px;color:var(--heading);font-weight:600;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical}
.mega-entry-card{border:1px solid var(--border);border-radius:var(--radius-card);padding:18px;background:linear-gradient(145deg,#fff,var(--primary-mist));display:flex;flex-direction:column;justify-content:center;height:100%}
.mega-entry-card .entry-title{font-size:16px;font-weight:700;color:var(--heading);margin-bottom:6px}
.mega-entry-card .entry-desc{font-size:13px;color:var(--muted);line-height:1.6;margin-bottom:14px}
.entry-more{font-size:13px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.entry-more i{transition:transform .2s ease}
.entry-more:hover i{transform:translateX(3px)}
.burger{display:none;width:42px;height:42px;align-items:center;justify-content:center;border:1px solid var(--line);background:#fff;color:var(--heading);border-radius:8px;font-size:17px;cursor:pointer}
.burger i{font-size:18px}
.breadcrumb-band{background:var(--primary-mist);border-bottom:1px solid var(--line);padding:15px 0}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:4px;font-size:13px;color:var(--faint)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary)}
.crumb-sep{color:#c8d2da;font-size:11px;margin:0 3px}
.breadcrumb .current{color:var(--heading);max-width:380px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero{padding:48px 0 22px;border-bottom:1px solid var(--line)}
.article-heading{max-width:900px}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:12px 18px;margin-bottom:16px}
.article-cat{display:inline-flex;align-items:center;background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:600;padding:4px 11px;border-radius:4px}
.article-date{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:13px}
.article-date i{color:var(--faint)}
.article-heading-title h1{font-size:36px;line-height:1.28;margin-bottom:14px}
.article-deck{font-size:17px;line-height:1.9;color:#536a78;background:#fff;border-left:4px solid var(--gold);padding:12px 18px;border-radius:0 8px 8px 0;margin-bottom:16px}
.article-header-cover{border-radius:var(--radius-hero);overflow:hidden;margin:18px 0 0;box-shadow:var(--shadow-1)}
.article-header-cover img{width:100%;height:340px;object-fit:cover;display:block}
.article-layout{padding:50px 0 80px;background:#fff}
.article-grid{display:grid;grid-template-columns:1fr 320px;gap:46px}
.article-content{min-width:0}
.post-content{font-size:17px;line-height:2;color:#2e4350;word-wrap:break-word}
.post-content p{margin-bottom:1.5em}
.post-content h1,.post-content h2,.post-content h3,.post-content h4{margin-top:1.6em;margin-bottom:.6em;color:var(--heading)}
.post-content h2{font-size:25px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.post-content h3{font-size:20px}
.post-content img{border-radius:12px;border:1px solid var(--line);margin:1.4em auto;display:block}
.post-content ul,.post-content ol{margin:0 0 1.6em;padding-left:1.5em}
.post-content li{margin-bottom:.55em}
.post-content blockquote{background:var(--primary-mist);border-left:4px solid var(--primary);color:#3b5563;margin:1.6em 0;padding:18px 22px;border-radius:0 10px 10px 0}
.post-content .aligncenter{text-align:center}
.post-content a{text-decoration:underline;text-decoration-color:rgba(44,110,148,.3);text-underline-offset:4px}
.post-content a:hover{text-decoration-color:var(--primary)}
.post-content iframe{max-width:100%;border-radius:10px}
.article-sidebar{min-width:0}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);padding:24px 22px;margin-bottom:24px}
.side-card-title{font-size:15px;font-weight:700;color:var(--heading);margin-bottom:18px;display:flex;align-items:center;gap:8px}
.side-card-title::before{content:"";width:4px;height:16px;background:var(--gold);border-radius:4px}
.side-list{list-style:none;margin:0;padding:0}
.side-list li{border-bottom:1px dashed var(--line);padding:12px 0}
.side-list li:first-child{padding-top:0}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list a{display:block;color:var(--heading);font-size:14px;line-height:1.6;font-weight:500}
.side-list a:hover{color:var(--primary)}
.side-list small{display:block;color:var(--faint);font-size:12px;margin-top:7px}
.side-contact{border:1px solid var(--border);background:linear-gradient(145deg,var(--primary-mist),#fff);border-radius:var(--radius-card);padding:24px 22px}
.side-contact .sc-title{font-size:16px;font-weight:700;color:var(--heading);margin-bottom:8px}
.side-contact .sc-desc{font-size:13px;color:var(--muted);line-height:1.7;margin-bottom:16px}
.side-contact .btn{width:100%}
.side-card-empty{color:var(--faint);font-size:14px;text-align:center;padding:26px 6px;border:1px dashed var(--border);border-radius:8px}
.empty-article{max-width:680px;margin:60px auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius-hero);box-shadow:var(--shadow-1);padding:60px 36px;text-align:center}
.empty-article .empty-ico{width:110px;height:110px;border-radius:50%;border:2px dashed var(--primary);display:flex;align-items:center;justify-content:center;margin:0 auto 24px}
.empty-article .empty-ico i{color:var(--primary);font-size:36px}
.empty-article h2{font-size:26px}
.empty-article p{color:var(--muted);font-size:15px}
.article-navigation{display:flex;justify-content:space-between;margin-top:48px;padding-top:28px;border-top:1px solid var(--line);gap:12px}
.post-prev,.post-next{background:var(--primary-mist);border-radius:10px;padding:15px 16px;font-size:13px;max-width:48%;flex:1}
.post-prev a,.post-next a{display:block;color:var(--heading)}
.post-prev .dir,.post-next .dir{display:block;font-size:12px;color:var(--faint);margin-bottom:5px}
.post-prev .news-title,.post-next .news-title{font-size:14px;font-weight:600;line-height:1.5;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.related-section{background:var(--primary-mist);padding:60px 0 70px;border-top:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.section-head h2{font-size:27px;margin-bottom:4px;position:relative}
.section-head p{color:var(--muted);font-size:14px;margin:0}
.related-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--border)}
.news-card-cover{height:160px;overflow:hidden;background:var(--primary-soft)}
.news-card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-card-cover img{transform:scale(1.03)}
.news-card-body{padding:18px 18px 22px;display:flex;flex-direction:column;flex:1}
.news-card-body h3{font-size:16px;margin-bottom:8px;font-weight:600}
.news-card-body h3 a{color:var(--heading)}
.news-card-body h3 a:hover{color:var(--primary)}
.news-card-body .sum{font-size:13px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:13px}
.news-card-body .meta{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--faint);margin-top:auto}
.back-list{margin-top:22px}
.cta-section{background:linear-gradient(135deg,var(--primary-deep),var(--primary));border-radius:24px;color:#fff;padding:42px 46px;display:flex;flex-direction:row;align-items:center;gap:30px;margin:66px 0 0;position:relative;overflow:hidden}
.cta-section:before{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;border:32px solid rgba(255,255,255,.06)}
.cta-section .cta-content{flex:1}
.cta-section h2{color:#fff;font-size:26px;margin-bottom:8px}
.cta-section p{color:rgba(255,255,255,.75);font-size:14px}
.cta-section strong{color:#fff;font-size:14px}
.site-footer{background:#F7FAFC;border-top:1px solid var(--line);padding-top:56px}
.footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.12fr;gap:38px;padding-bottom:42px;border-bottom:1px solid var(--line)}
.footer-brand .logo{margin-bottom:14px}
.footer-brand-desc{font-size:13px;color:var(--muted);line-height:1.8;max-width:280px}
.footer-title{font-size:14px;font-weight:700;color:#263B49;margin-bottom:16px}
.footer-list{list-style:none;margin:0;padding:0}
.footer-list li{margin-bottom:9px}
.footer-list a{font-size:14px;color:#526776}
.footer-list a:hover{color:var(--primary)}
.footer-contact-list{list-style:none;margin:0;padding:0}
.footer-contact-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:#526776;margin-bottom:12px;line-height:1.6}
.footer-contact-list i{width:18px;color:var(--primary);margin-top:4px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 0 22px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--primary)}
.footer-domain{font-family:'Segoe UI',Arial,sans-serif;color:#a0b0bc;font-size:12px}
::-webkit-scrollbar{width:10px}
::-webkit-scrollbar-track{background:#fff}
::-webkit-scrollbar-thumb{background:#ccd8e1;border-radius:8px;border:2px solid #fff}
::-webkit-scrollbar-thumb:hover{background:#b9c9d4}
::selection{background:rgba(44,110,148,.18)}
@media(max-width:1024px){
  .article-grid{grid-template-columns:1fr;gap:34px}
  .article-sidebar{display:grid;grid-template-columns:1fr 1fr;gap:20px}
  .side-contact,.side-card{margin-bottom:0}
  .main-nav{position:fixed;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 14px 20px rgba(0,0,0,.04);padding:16px 22px;display:none;flex-direction:column;max-height:calc(100vh - 72px);overflow-y:auto;z-index:70}
  .main-nav.open{display:flex}
  .main-nav ul{list-style:none;flex-direction:column;align-items:stretch;gap:0}
  .main-nav ul li{margin:0}
  .main-nav ul li>a,.header-right{height:auto;padding:13px 6px;border-bottom:1px solid #f0f3f7;font-size:16px;justify-content:space-between}
  .main-nav ul li.active>a::after{display:none}
  .burger{display:inline-flex}
  .mega-trigger .mega-panel{position:static;opacity:1;visibility:visible;transform:none;width:100%;box-shadow:none;border-radius:10px;background:#f7fafb;border:1px solid var(--line);padding:16px;margin-bottom:12px;display:none}
  .mega-trigger.open .mega-panel{display:block}
  .mega-grid{grid-template-columns:1fr;gap:18px}
  .header-cta{display:none}
}
@media(max-width:768px){
  :root{--space-section:58px}
  .article-hero{padding:30px 0 16px}
  .article-heading-title h1{font-size:27px}
  h1{font-size:30px}
  h2{font-size:24px}
  .article-deck{font-size:15px}
  .post-content{font-size:16px;line-height:1.9}
  .article-navigation{flex-direction:column}
  .post-prev,.post-next{max-width:100%}
  .related-cards{grid-template-columns:1fr 1fr}
  .cards-2{grid-template-columns:1fr}
  .cta-section{flex-direction:column;padding:30px 24px}
  .footer-main{grid-template-columns:1fr 1fr;gap:24px}
  body{padding-bottom:0}
}
@media(max-width:520px){
  .container{padding-left:16px;padding-right:16px}
  h1{font-size:24px}
  .header-inner{padding-left:16px;padding-right:16px}
  .related-cards{grid-template-columns:1fr}
  .article-sidebar{display:block}
  .footer-main{grid-template-columns:1fr;padding-bottom:25px}
  .footer-bottom{flex-direction:column;text-align:center}
  .section-head{flex-direction:column;align-items:flex-start}
  .post-navigation{flex-direction:column;gap:8px}
}

/* roulang page: category1 */
:root{
  --primary:#2C6E94;
  --primary-dark:#1C4E70;
  --primary-soft:#EAF2F7;
  --primary-faint:#F7FAFC;
  --accent:#B08454;
  --accent-light:#D8B98E;
  --body-bg:#FFFFFF;
  --text:#192A33;
  --text-secondary:#647985;
  --text-faint:#94A6B3;
  --divider:#DFE7EE;
  --border:#D2DEE8;
  --success:#2E9E6B;
  --danger:#C0574A;
  --radius-xs:6px;
  --radius-md:10px;
  --radius-lg:16px;
  --shadow-sm:0 2px 8px rgba(36,65,83,.04),0 10px 28px rgba(36,65,83,.05);
  --shadow-md:0 8px 20px rgba(36,65,83,.08),0 18px 40px rgba(36,65,83,.09);
  --shadow-panel:0 12px 32px rgba(26,58,76,.12);
  --space-section:96px;
  --font-main:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;font-size:16px;}
body{
  font-family:var(--font-main);
  background:var(--body-bg);
  color:var(--text);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease, background .2s ease, border-color .2s ease;}
a:hover{color:var(--primary-dark);}
ul,ol{list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:1rem;}
.container{max-width:1230px;margin:0 auto;padding:0 24px;width:100%;}
.row{max-width:none;}
.category-main{overflow:hidden;}
.section-spacer{padding-top:var(--space-section);padding-bottom:var(--space-section);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--accent);
  font-size:14px;
  font-weight:600;
  letter-spacing:.18em;
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--accent-light);}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--radius-xs);
  font-weight:600;
  font-size:15px;
  line-height:1;
  padding:0 22px;
  min-height:44px;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
  text-align:center;
  letter-spacing:.02em;
}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 4px 12px rgba(44,110,148,.15);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;border-color:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-sm);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--border);}
.btn-outline:hover{background:color-mix(in srgb,var(--primary) 6%,#fff);border-color:var(--primary);color:var(--primary-dark);}
.btn-outline:focus-visible,.btn-primary:focus-visible{outline:3px solid color-mix(in srgb,var(--primary) 18%,transparent);outline-offset:2px;}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px;}
.btn-block-mobile{width:auto;}

/* header */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:#fff;
  border-bottom:1px solid var(--divider);
  height:72px;
}
.header-inner{
  max-width:1280px;
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand{display:flex;align-items:baseline;gap:10px;white-space:nowrap;flex-shrink:0;}
.brand a{font-size:24px;font-weight:700;color:var(--text);letter-spacing:.01em;}
.brand a:hover{color:var(--primary);}
.brand-tagline{color:var(--text-faint);font-size:12px;letter-spacing:.08em;display:none;padding-left:8px;border-left:1px solid var(--divider);}
.main-nav{display:flex;align-items:center;}
.main-nav>ul{display:flex;align-items:center;gap:2px;}
.main-nav>ul>li{position:relative;}
.main-nav>ul>li>a{
  display:flex;
  align-items:center;
  min-height:72px;
  padding:0 15px;
  color:var(--text);
  font-size:15px;
  font-weight:500;
  position:relative;
  letter-spacing:.01em;
}
.main-nav>ul>li>a small{margin-left:4px;}
.main-nav>ul>li>a:hover,.main-nav>ul>li.active>a{color:var(--primary);}
.main-nav>ul>li.active>a::after,.main-nav>ul>li>a:hover::after{
  content:"";
  position:absolute;
  left:15px;right:15px;bottom:-1px;
  height:2px;
  background:var(--accent);
  border-radius:2px 2px 0 0;
}
.main-nav>ul>li>a:focus-visible{outline:2px solid color-mix(in srgb,var(--primary) 35%,transparent);outline-offset:-4px;border-radius:4px;}
.main-nav .fa-angle-down{margin-left:6px;font-size:12px;color:var(--text-faint);transition:transform .2s ease;}
.mega-trigger:hover .fa-angle-down,.mega-trigger.open .fa-angle-down{transform:rotate(180deg);}
.mega-panel{
  position:absolute;
  left:auto;
  right:8px;
  top:calc(100% + 10px);
  width:760px;
  background:#fff;
  border:1px solid var(--divider);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-panel);
  padding:24px;
  opacity:0;
  visibility:hidden;
  transform:translateY(6px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
  z-index:95;
}
.mega-trigger:hover .mega-panel,.mega-trigger.open .mega-panel,.mega-trigger:focus-within .mega-panel{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.mega-grid{display:grid;grid-template-columns:1fr 1fr .9fr;gap:22px;}
.mega-col-title{font-size:13px;color:var(--text-faint);letter-spacing:.12em;margin-bottom:12px;font-weight:600;}
.mega-link-list li a{display:flex;align-items:center;gap:8px;padding:7px 0;color:var(--text);font-size:14px;}
.mega-link-list li a i{font-size:6px;color:var(--accent);}
.mega-link-list li a:hover{color:var(--primary);}
.mega-news-item{display:block;padding:10px 0;border-bottom:1px dashed var(--divider);}
.mega-news-item:last-child{border-bottom:none;}
.mega-news-item small{font-size:12px;color:var(--text-faint);display:block;margin-bottom:2px;}
.mega-news-item .title{font-size:14px;font-weight:600;color:var(--text);line-height:1.5;}
.mega-news-item:hover .title{color:var(--primary);}
.mega-entry-card{border:1px solid var(--divider);border-radius:var(--radius-md);background:var(--primary-faint);padding:16px;display:flex;flex-direction:column;align-items:flex-start;}
.mega-entry-card .entry-title{font-weight:700;font-size:15px;color:var(--text);margin-bottom:6px;}
.mega-entry-card .entry-desc{font-size:13px;color:var(--text-secondary);line-height:1.7;margin-bottom:14px;}
.mega-entry-card .entry-more{font-size:13px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:8px;}
.header-cta{flex-shrink:0;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--border);
  background:#fff;
  color:var(--text);
  border-radius:var(--radius-xs);
  cursor:pointer;
  font-size:20px;
}

/* breadcrumb */
.breadcrumb-bar{background:var(--primary-faint);border-bottom:1px solid var(--divider);padding:12px 0;}
.breadcrumb{max-width:1280px;margin:0 auto;padding:0 24px;display:flex;align-items:center;flex-wrap:wrap;gap:6px;font-size:13px;color:var(--text-faint);}
.breadcrumb a{color:var(--text-secondary);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .current{color:var(--text);font-weight:500;}
.breadcrumb i{font-size:11px;color:var(--text-faint);}

/* category hero */
.category-hero{background:var(--primary-soft);padding:64px 0 70px;position:relative;overflow:hidden;}
.category-hero .container{position:relative;z-index:2;}
.category-hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:48px;align-items:center;}
.category-hero h1{font-size:40px;line-height:1.28;font-weight:700;color:var(--text);margin:16px 0 16px;letter-spacing:-.01em;}
.category-hero h1 .dot{color:var(--accent);}
.hero-intro{color:var(--text-secondary);font-size:17px;line-height:1.95;margin-bottom:22px;max-width:580px;font-weight:400;}
.hero-keyline{display:block;width:34px;height:2px;background:var(--accent-light);margin-bottom:0;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:18px;}
.hero-footnote{font-size:13px;color:var(--text-faint);display:flex;align-items:center;gap:6px;padding-left:2px;}
.hero-footnote i{color:var(--accent);}
.hero-visual{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);aspect-ratio:5/3.4;background:var(--primary-faint);border:1px solid var(--border);}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual-badge{
  position:absolute;
  left:18px;
  bottom:18px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--divider);
  border-left:3px solid var(--accent);
  border-radius:8px;
  padding:10px 14px;
  font-size:13px;
  color:var(--text);
  line-height:1.5;
  box-shadow:0 6px 20px rgba(26,58,76,.1);
}
.hero-visual-badge strong{font-weight:700;font-size:14px;}

/* section head */
.section-head{max-width:760px;margin:0 auto 44px;text-align:center;}
.section-head h2{font-size:30px;font-weight:700;line-height:1.4;color:var(--text);letter-spacing:-.01em;margin-top:14px;}
.section-head p{color:var(--text-secondary);font-size:16px;line-height:1.9;margin-top:12px;}
.section-head .head-border{width:42px;height:2px;background:var(--accent);margin:0 auto;border-radius:2px;}

/* split note */
.note-strip{padding:24px 0 0;background:transparent;}
.note-two{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-bottom:46px;}
.note-card{border:1px solid var(--divider);border-left:3px solid var(--accent-light);background:var(--primary-faint);border-radius:var(--radius-md);padding:20px 24px;}
.note-card h3{font-size:16px;font-weight:700;margin-bottom:6px;color:var(--text);}
.note-card p{font-size:14px;color:var(--text-secondary);line-height:1.85;}

/* category grid list */
.case-feed-section{background:#fff;padding:72px 0 88px;}
.case-feed{display:grid;grid-template-columns:repeat(2,1fr);gap:30px;align-items:stretch;}
.case-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  display:flex;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  min-width:0;
}
.case-card:hover,.case-card:focus-within{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:color-mix(in srgb,var(--primary) 45%,#fff);}
.case-media{flex:0 0 43%;min-width:200px;background:var(--primary-soft);position:relative;overflow:hidden;}
.case-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.case-card:hover .case-media img{transform:scale(1.04);}
.case-body{padding:24px 22px 20px;display:flex;flex-direction:column;flex:1;min-width:0;}
.case-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px;}
.case-tag{background:var(--primary-soft);color:var(--primary);border:1px solid color-mix(in srgb,var(--primary) 18%,#fff);border-radius:999px;padding:4px 12px;font-size:12px;font-weight:600;letter-spacing:.02em;}
.case-date{font-size:13px;color:var(--text-faint);font-variant-numeric:tabular-nums;}
.case-title a{font-size:19px;font-weight:700;color:var(--text);line-height:1.5;transition:color .2s;}
.case-title a:hover{color:var(--primary);}
.case-desc{color:var(--text-secondary);font-size:14px;line-height:1.85;margin-top:10px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.case-link{
  margin-top:auto;
  padding-top:16px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
}
.case-link i{transition:transform .2s ease;}
.case-link:hover{color:var(--primary-dark);}
.case-link:hover i{transform:translateX(4px);}
.case-card:focus-within .case-title a{outline:2px solid color-mix(in srgb,var(--primary) 25%,transparent);outline-offset:4px;border-radius:4px;}

/* empty state */
.empty-state{
  grid-column:1/-1;
  background:#fff;
  border:1px dashed var(--border);
  border-radius:var(--radius-lg);
  padding:56px 24px;
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  min-height:240px;
}
.empty-icon{
  width:120px;height:120px;
  border:1px dashed color-mix(in srgb,var(--primary) 40%,#ffffff);
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--primary-soft);
  color:var(--primary);
  margin-bottom:20px;
}
.empty-state h3{font-size:18px;font-weight:600;color:var(--text);margin-bottom:8px;}
.empty-state p{color:var(--text-faint);font-size:15px;margin-bottom:18px;}

/* classification bottom note */
.category-note{background:var(--primary-faint);padding:0 0 80px;}
.note-card-wide{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;background:#fff;border:1px solid var(--divider);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow-sm);margin-bottom:36px;}
.note-card-wide h3{font-size:22px;font-weight:700;margin-bottom:14px;color:var(--text);line-height:1.5;}
.note-card-wide p{color:var(--text-secondary);line-height:1.9;font-size:15px;margin-bottom:14px;}
.note-list{display:grid;gap:10px;margin-top:12px;}
.note-list li{display:flex;gap:10px;align-items:flex-start;color:var(--text-secondary);font-size:14px;line-height:1.8;}
.note-list li i{color:var(--accent);margin-top:7px;font-size:10px;}
.note-card-wide .accent-nums{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;align-items:center;}
.note-num{background:var(--primary-soft);border-radius:var(--radius-md);padding:20px 14px;text-align:center;}
.note-num b{display:block;font-size:30px;color:var(--primary);font-variant-numeric:tabular-nums;font-weight:700;}
.note-num span{display:block;margin-top:4px;font-size:13px;color:var(--text-secondary);}

/* CTA strip */
.cta-zone{padding:72px 0 90px;background:#fff;}
.cta-inner{background:var(--primary-soft);border:1px solid var(--border);border-radius:var(--radius-lg);padding:42px 48px;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;box-shadow:var(--shadow-sm);}
.cta-copy h2{font-size:26px;font-weight:700;line-height:1.45;color:var(--text);margin-bottom:8px;}
.cta-copy p{color:var(--text-secondary);max-width:600px;font-size:15px;line-height:1.9;}
.cta-links{display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0;}

/* footer */
.site-footer{background:var(--primary-faint);border-top:1px solid var(--divider);padding-top:64px;color:var(--text-secondary);font-size:15px;}
.site-footer .logo{margin-bottom:14px;}
.site-footer .footer-brand-desc{max-width:360px;font-size:14px;line-height:2;margin-top:12px;color:var(--text-secondary);}
.footer-main{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:46px;}
.footer-title{font-weight:700;color:var(--text);margin-bottom:16px;font-size:16px;letter-spacing:.02em;position:relative;padding-bottom:8px;}
.footer-title::after{content:"";position:absolute;left:0;bottom:0;width:22px;height:2px;background:var(--accent-light);border-radius:2px;}
.footer-list li a{display:inline-block;padding:6px 0;color:var(--text-secondary);font-size:14px;}
.footer-list li a:hover{color:var(--primary);padding-left:4px;}
.footer-contact-list li{display:flex;align-items:center;gap:10px;padding:7px 0;font-size:14px;line-height:1.7;}
.footer-contact-list li i{color:var(--primary);width:18px;text-align:center;}
.footer-bottom{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;border-top:1px solid var(--divider);padding:18px 0 22px;font-size:13px;color:var(--text-faint);}
.footer-bottom a{color:var(--text-secondary);}
.footer-bottom a:hover{color:var(--primary);}

/* responsive */
@media (max-width:1180px){
  .main-nav>ul>li>a{padding:0 11px;font-size:14px;}
  .brand a{font-size:22px;}
  .brand-tagline{display:none;}
  .mega-panel{width:680px;}
  .case-media{flex-basis:40%;min-width:180px;}
}
@media (max-width:1024px){
  :root{--space-section:80px;}
  .category-hero h1{font-size:34px;}
  .case-feed{grid-template-columns:1fr;}
  .case-media{flex-basis:30%;min-width:220px;}
  .mega-panel{width:620px;right:30px;}
  .footer-main{grid-template-columns:1.4fr 1fr 1fr;row-gap:40px;}
}
@media (max-width:960px){
  .site-header .header-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .main-nav{
    position:absolute;
    top:72px;
    left:0;
    right:0;
    background:#fff;
    border-bottom:1px solid var(--divider);
    box-shadow:var(--shadow-md);
    max-height:calc(100vh - 80px);
    overflow-y:auto;
    display:none;
    padding:14px 0 22px;
    z-index:99;
  }
  .site-header.nav-open .main-nav{display:block;}
  .main-nav>ul{display:block;padding:0 20px;}
  .main-nav>ul>li a{min-height:46px;padding:0 10px;border-radius:var(--radius-xs);justify-content:space-between;}
  .main-nav>ul>li.active>a::after,.main-nav>ul>li>a:hover::after{left:0;right:auto;bottom:auto;width:3px;height:24px;background:var(--accent);border-radius:0 3px 3px 0;}
  .main-nav>ul>li.active>a{background:var(--primary-soft);}
  .mega-panel{
    position:static;
    width:100%;
    transform:none;
    box-shadow:none;
    opacity:1;
    visibility:visible;
    display:none;
    padding:14px 10px;
    margin:8px 0 4px;
    background:var(--primary-faint);
  }
  .mega-trigger.open .mega-panel,.mega-trigger:hover .mega-panel{display:block;}
  .mega-grid{grid-template-columns:1fr;gap:14px;}
  .mega-entry-card{margin-top:4px;}
  .category-hero-grid{grid-template-columns:1fr;gap:28px;}
  .category-hero{padding:52px 0;}
  .hero-visual{aspect-ratio:16/9;}
  .note-two{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  :root{--space-section:64px;}
  body{font-size:15px;}
  .category-hero h1{font-size:30px;}
  .section-head{margin-bottom:30px;}
  .section-head h2{font-size:26px;}
  .case-card{flex-direction:column;}
  .case-media{flex:0 0 220px;min-height:200px;min-width:100%;}
  .case-media img{position:absolute;}
  .case-body{padding:20px;}
  .note-card-wide{grid-template-columns:1fr;padding:24px;}
  .note-num b{font-size:26px;}
  .cta-inner{padding:30px 24px;}
  .footer-main{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:520px){
  .btn-block-mobile{width:100%;}
  .brand a{font-size:21px;}
  .brand-tagline{display:none;}
  .breadcrumb{padding:0 16px;}
  .category-hero h1{font-size:27px;}
  .hero-actions .btn{width:100%;}
  .hero-actions{flex-direction:column;}
  .case-feed{gap:20px;}
  .case-title a{font-size:17px;}
  .footer-main{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;text-align:center;}
  .cta-copy h2{font-size:23px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
    --primary:#2C6E94;
    --primary-deep:#1C4E70;
    --secondary:#B08454;
    --gold-edge:#D8B98E;
    --ink:#192A33;
    --muted:#647985;
    --faint:#94A6B3;
    --line:#DFE7EE;
    --border:#D2DEE8;
    --bg-soft:#F7FAFC;
    --bg-blue:#EAF2F7;
    --body-bg:#FFFFFF;
    --radius:10px;
    --radius-lg:16px;
    --shadow-sm:0 2px 8px rgba(36,65,83,.04), 0 10px 28px rgba(36,65,83,.05);
    --shadow-hover:0 8px 20px rgba(36,65,83,.08), 0 18px 40px rgba(36,65,83,.09);
    --header-h:72px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
    font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans SC,Helvetica Neue,Arial,sans-serif;
    background:var(--body-bg);
    color:var(--ink);
    line-height:1.7;
    font-size:16px;
    font-feature-settings:"tnum";
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease, border-color .2s ease, background .2s ease;}
ul,ol{list-style:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
.container{max-width:1220px;margin:0 auto;padding:0 24px;}
.section{padding:100px 0;}
.row{max-width:1220px;margin:0 auto;width:auto;}

/* 顶部与导航
------------------------------------------*/
.site-header{
    position:sticky;
    top:0;
    z-index:100;
    background:#fff;
    border-bottom:1px solid var(--line);
    height:var(--header-h);
    box-shadow:0 1px 8px rgba(36,65,83,.03);
}
.header-inner{
    max-width:1220px;
    height:var(--header-h);
    margin:0 auto;
    padding:0 24px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
}
.logo{
    font-size:24px;
    font-weight:700;
    letter-spacing:.5px;
    color:var(--ink);
    white-space:nowrap;
}
.logo a{color:var(--ink);}
.logo a .logo-mark{color:var(--primary);}
.site-header .nav-wrap{
    display:flex;
    align-items:center;
    gap:12px;
    flex:1 1 auto;
    justify-content:flex-end;
}
.main-nav{display:flex;align-items:center;}
.main-nav>ul{display:flex;align-items:center;gap:4px;}
.main-nav>ul>li{position:relative;}
.main-nav>ul>li>a{
    display:flex;
    align-items:center;
    gap:6px;
    height:48px;
    padding:0 18px;
    font-size:15px;
    color:var(--ink);
    border-bottom:2px solid transparent;
    font-weight:500;
}
.main-nav>ul>li>a:hover,
.main-nav>ul>li.active>a{
    color:var(--primary);
    border-bottom-color:var(--gold-edge);
}
.mega-trigger:hover .mega-panel,
.mega-trigger:focus-within .mega-panel{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
    pointer-events:auto;
}
.mega-panel{
    position:absolute;
    top:100%;
    left:auto;
    right:-100px;
    width:680px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:12px;
    box-shadow:0 12px 32px rgba(26,58,76,.12);
    padding:22px;
    opacity:0;
    visibility:hidden;
    transform:translateY(6px);
    transition:opacity .22s ease,transform .22s ease,visibility .22s;
    pointer-events:none;
}
.mega-grid{
    display:grid;
    grid-template-columns:1.2fr 1fr .9fr;
    gap:20px;
    align-items:start;
}
.mega-col-title{
    font-size:13px;
    color:var(--faint);
    letter-spacing:1px;
    margin-bottom:12px;
    text-transform:uppercase;
    font-weight:600;
}
.mega-link-list li+li{margin-top:4px;}
.mega-link-list a{
    display:flex;
    align-items:center;
    gap:8px;
    padding:7px 0;
    font-size:15px;
    color:var(--muted);
}
.mega-link-list a i{color:var(--gold-edge);font-size:6px;}
.mega-link-list a:hover{color:var(--primary);transform:translateX(2px);}
.mega-news-item{
    display:block;
    background:var(--bg-soft);
    border:1px solid var(--line);
    border-radius:8px;
    padding:10px 12px;
    margin-bottom:10px;
}
.mega-news-item small{color:var(--faint);font-size:12px;display:block;line-height:1.4;}
.mega-news-item .title{font-size:14px;color:var(--ink);font-weight:600;line-height:1.5;margin-top:3px;}
.mega-news-item:hover{border-color:var(--border);background:#fff;box-shadow:var(--shadow-sm);}
.mega-entry-card{
    background:var(--bg-blue);
    border-radius:10px;
    padding:14px;
    margin-top:8px;
}
.mega-entry-card .entry-title{font-size:15px;font-weight:700;color:var(--primary-deep);}
.mega-entry-card .entry-desc{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.6;}
.entry-more{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:13px;
    font-weight:600;
    color:var(--secondary);
    margin-top:10px;
}
.header-actions{display:flex;align-items:center;gap:12px;}
.header-cta{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    height:38px;
    padding:0 18px;
    border-radius:6px;
    background:var(--primary);
    color:#fff;
    font-size:14px;
    font-weight:600;
    box-shadow:0 4px 12px rgba(44,110,148,.18);
    transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.header-cta:hover{background:var(--primary-deep);color:#fff;box-shadow:0 8px 16px rgba(44,110,148,.22);transform:translateY(-1px);}
.nav-mobile-toggle{
    display:none;
    width:44px;
    height:44px;
    border:1px solid var(--border);
    border-radius:8px;
    background:#fff;
    color:var(--ink);
    align-items:center;
    justify-content:center;
    cursor:pointer;
}
.nav-mobile-toggle i{font-size:20px;}

/* 通用按钮 */
.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:46px;
    padding:0 24px;
    border-radius:6px;
    border:1px solid transparent;
    font-size:15px;
    font-weight:600;
    cursor:pointer;
    transition:all .22s ease;
}
.btn-primary{
    background:var(--primary);
    color:#fff;
    box-shadow:0 4px 12px rgba(44,110,148,.15);
}
.btn-primary:hover{
    background:var(--primary-deep);
    color:#fff;
    box-shadow:0 8px 18px rgba(44,110,148,.2);
    transform:translateY(-1px);
}
.btn-outline{
    background:#fff;
    color:var(--primary);
    border-color:var(--primary);
}
.btn-outline:hover{
    background:rgba(44,110,148,.06);
    color:var(--primary-deep);
    border-color:var(--primary-deep);
}
.btn-light{
    background:#fff;
    color:var(--primary-deep);
}
.btn-light:hover{background:var(--bg-blue);color:var(--primary-deep);}
.btn-ghost{
    background:transparent;
    color:#fff;
    border-color:rgba(255,255,255,.85);
}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}
.text-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    color:var(--primary);
    font-weight:600;
    font-size:15px;
    transition:gap .2s ease;
}
.text-link i{font-size:13px;}
.text-link:hover{color:var(--primary-deep);gap:9px;}

/* 面包屑 */
.breadcrumb-bar{
    background:var(--bg-soft);
    border-bottom:1px solid var(--line);
    padding:15px 0;
}
.breadcrumb{
    max-width:1220px;
    margin:0 auto;
    padding:0 24px;
    font-size:13px;
    color:var(--muted);
    display:flex;
    flex-wrap:wrap;
    gap:8px;
    align-items:center;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--faint);}
.breadcrumb .current{color:var(--ink);}

/* 分类页首屏 */
.cat-hero{
    position:relative;
    background:var(--bg-blue);
    padding:88px 0 72px;
    overflow:hidden;
}
.cat-hero::after{
    content:"";
    position:absolute;
    right:-180px;
    top:-160px;
    width:430px;
    height:430px;
    border-radius:50%;
    background:rgba(255,255,255,.4);
    pointer-events:none;
}
.cat-hero-row{position:relative;z-index:2;}
.cat-hero-copy .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    letter-spacing:1px;
    color:var(--primary);
    background:rgba(44,110,148,.08);
    padding:5px 12px;
    border-radius:30px;
    font-weight:600;
    margin-bottom:16px;
}
.cat-hero-copy h1{
    font-size:42px;
    font-weight:700;
    line-height:1.25;
    letter-spacing:.5px;
    color:var(--ink);
    margin-bottom:18px;
}
.cat-hero-copy h1 span{color:var(--primary);}
.cat-hero-copy .hero-sub{
    font-size:17px;
    color:var(--muted);
    line-height:1.9;
    max-width:520px;
    margin-bottom:26px;
}
.hero-btn-group{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:16px;}
.hero-meta-note{font-size:13px;color:var(--faint);}
.cat-hero-visual{
    position:relative;
    border-radius:var(--radius-lg);
    overflow:hidden;
    box-shadow:var(--shadow-sm);
    background:#fff;
}
.cat-hero-visual img{
    width:100%;
    height:350px;
    object-fit:cover;
}
.cat-hero-visual .visual-badge{
    position:absolute;
    right:18px;
    bottom:18px;
    background:rgba(255,255,255,.92);
    border:1px solid var(--line);
    backdrop-filter:blur(4px);
    -webkit-backdrop-filter:blur(4px);
    padding:8px 14px;
    border-radius:8px;
    font-size:13px;
    color:var(--primary-deep);
    font-weight:600;
    box-shadow:0 6px 16px rgba(36,65,83,.08);
}

/* 分类简介带 */
.cat-intro-band{
    background:#fff;
    border-bottom:1px solid var(--line);
    padding:34px 0;
}
.intro-band-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
}
.intro-band-item{
    display:flex;
    gap:16px;
    align-items:flex-start;
}
.intro-band-item .num{
    font-size:26px;
    font-weight:700;
    color:var(--secondary);
    line-height:1;
    font-feature-settings:"tnum";
    min-width:34px;
    border-bottom:2px solid var(--gold-edge);
    padding-bottom:6px;
}
.intro-band-item h3{font-size:16px;font-weight:700;margin-bottom:4px;}
.intro-band-item p{font-size:14px;color:var(--muted);line-height:1.7;}

/* 频道聚合卡片区 */
.catalog-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:20px;
    margin-bottom:40px;
}
.catalog-head .kicker{
    color:var(--secondary);
    font-weight:600;
    font-size:14px;
    letter-spacing:1px;
    margin-bottom:8px;
    display:block;
}
.catalog-head h2{
    font-size:32px;
    line-height:1.3;
    font-weight:700;
    color:var(--ink);
}
.catalog-head .catalog-desc{
    max-width:520px;
    color:var(--muted);
    font-size:15px;
    line-height:1.8;
}
.cat-card-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:28px 28px;
}
.cat-card{
    display:flex;
    align-items:stretch;
    background:#fff;
    border:1px solid var(--line);
    border-radius:12px;
    overflow:hidden;
    box-shadow:var(--shadow-sm);
    transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.cat-card:hover{
    box-shadow:var(--shadow-hover);
    transform:translateY(-3px);
    border-color:var(--border);
}
.cat-card-media{
    flex:0 0 38%;
    min-width:0;
    position:relative;
    overflow:hidden;
}
.cat-card-media img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .4s ease;
}
.cat-card:hover .cat-card-media img{transform:scale(1.04);}
.cat-card-media .media-tag{
    position:absolute;
    left:12px;
    top:12px;
    display:inline-flex;
    background:rgba(255,255,255,.93);
    color:var(--primary-deep);
    font-size:12px;
    font-weight:600;
    padding:3px 10px;
    border-radius:4px;
    border:1px solid var(--line);
}
.cat-card-body{
    flex:1;
    min-width:0;
    padding:24px 22px;
    display:flex;
    flex-direction:column;
}
.card-info{
    display:flex;
    align-items:center;
    gap:12px;
    font-size:13px;
    color:var(--faint);
    margin-bottom:10px;
}
.card-info .dot{width:3px;height:3px;border-radius:50%;background:var(--faint);}
.cat-card-body h3{
    font-size:19px;
    font-weight:700;
    line-height:1.45;
    margin-bottom:10px;
    color:var(--ink);
}
.cat-card-body h3 a:hover{color:var(--primary);}
.cat-card-body p{
    font-size:15px;
    color:var(--muted);
    line-height:1.85;
    margin-bottom:18px;
    display:-webkit-box;
    -webkit-line-clamp:3;
    -webkit-box-orient:vertical;
    overflow:hidden;
}
.card-footer{
    margin-top:auto;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    font-size:13px;
    color:var(--faint);
}
.card-footer .skip{display:inline-flex;gap:6px;align-items:center;color:var(--primary);font-weight:600;}
.card-footer .skip:hover{color:var(--primary-deep);gap:9px;}

/* 内容说明块 */
.service-note{
    background:var(--bg-blue);
    border-radius:16px;
    margin-top:70px;
    padding:38px;
    position:relative;
    overflow:hidden;
}
.service-note::before{
    content:"";
    position:absolute;
    left:0;
    top:0;
    height:100%;
    width:3px;
    background:var(--secondary);
}
.service-note h3{
    font-size:22px;
    font-weight:700;
    color:var(--ink);
    margin-bottom:14px;
}
.service-note p{
    font-size:15px;
    line-height:1.9;
    color:var(--muted);
    max-width:820px;
}
.service-note .note-tip{
    display:inline-flex;
    gap:8px;
    align-items:center;
    margin-top:18px;
    font-size:14px;
    color:var(--primary-deep);
    background:#fff;
    border:1px solid var(--border);
    padding:8px 14px;
    border-radius:6px;
}

/* CTA横幅 */
.cta-strip{
    position:relative;
    background:var(--primary-deep);
    border-radius:18px;
    padding:54px 56px;
    margin:0 0 -72px;
    overflow:hidden;
    z-index:3;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:32px;
    color:#fff;
    box-shadow:0 20px 40px rgba(28,78,112,.2);
}
.cta-strip::after{
    content:"";
    position:absolute;
    right:-80px;
    top:-80px;
    width:240px;
    height:240px;
    border-radius:50%;
    border:36px solid rgba(255,255,255,.08);
}
.cta-strip h2{
    font-size:27px;
    line-height:1.4;
    color:#fff;
    margin-bottom:8px;
    font-weight:700;
}
.cta-strip p{
    color:rgba(255,255,255,.8);
    font-size:15px;
    line-height:1.8;
    max-width:600px;
}
.cta-strip .cta-actions{
    position:relative;
    z-index:2;
    display:flex;
    gap:12px;
    flex-wrap:wrap;
}
.cta-wrap{padding-bottom:0;background:linear-gradient(180deg,#fff 0%,#fff 50%,var(--bg-soft) 50%);}

/* 页脚 */
.site-footer{
    background:var(--bg-soft);
    border-top:1px solid var(--line);
    padding-top:110px;
    margin-top:0;
}
.footer-main{
    display:grid;
    grid-template-columns:1.6fr 1fr 1fr 1.2fr;
    gap:32px;
    padding:46px 0 40px;
}
.footer-brand-desc{
    color:var(--muted);
    font-size:14px;
    line-height:1.9;
    margin-top:14px;
    max-width:314px;
}
.footer-main h4,.footer-title{
    font-size:15px;
    font-weight:700;
    color:var(--ink);
    margin-bottom:16px;
}
.footer-list li,.footer-contact-list li{
    color:var(--muted);
    font-size:14px;
    line-height:2.2;
    cursor:pointer;
}
.footer-list a{color:var(--muted);}
.footer-list a:hover{color:var(--primary);}
.footer-contact-list li{display:flex;gap:8px;align-items:center;line-height:1.8;margin-bottom:9px;}
.footer-contact-list i{color:var(--primary);width:16px;text-align:center;font-size:14px;}
.footer-bottom{
    border-top:1px solid var(--line);
    padding:22px 0 28px;
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:10px 24px;
    color:var(--faint);
    font-size:13px;
}
.footer-bottom a{color:var(--faint);}
.footer-bottom a:hover{color:var(--primary);}

/* 移动菜单面板 */
.mobile-nav-panel{
    display:none;
    position:fixed;
    top:var(--header-h);
    left:0;
    right:0;
    bottom:0;
    z-index:99;
    background:#fff;
    padding:24px;
    overflow-y:auto;
    box-shadow:0 12px 24px rgba(26,58,76,.08);
}
.mobile-nav-panel.open{display:block;}
.mobile-nav-panel ul li a{
    display:block;
    padding:13px 4px;
    font-size:17px;
    font-weight:600;
    color:var(--ink);
    border-bottom:1px solid var(--line);
}
.mobile-nav-panel .mobile-sub a{
    font-size:15px;
    font-weight:400;
    color:var(--muted);
    padding-left:18px;
}
.mobile-nav-panel .mobile-cta{
    display:flex;
    margin-top:18px;
}

/* responsive */
@media (max-width:1024px){
    .section{padding:70px 0;}
    .main-nav>ul>li>a{padding:0 14px;}
    .mega-panel{width:600px;right:-80px;}
    .header-cta{display:none;}
    .cat-card-media{flex-basis:44%;}
    .footer-main{grid-template-columns:1fr 1fr;gap:24px;}
    .intro-band-grid{grid-template-columns:1fr;}
    .cta-strip{flex-direction:column;align-items:flex-start;padding:42px;}
    .cat-hero h1{font-size:36px;}
}
@media (max-width:768px){
    .nav-desktop{display:none;}
    .nav-mobile-toggle{display:inline-flex;}
    .header-actions .desk-hidden{display:inline-flex;}
    .section{padding:56px 0;}
    .cat-hero{padding:60px 0;}
    .cat-hero-row .columns + .columns{margin-top:40px;}
    .cat-hero-visual img{height:260px;}
    .cat-card-grid{grid-template-columns:1fr;}
    .cat-card{flex-direction:column;}
    .cat-card-media{min-height:210px;flex:0 0 auto;}
    .cat-card-body{padding:22px;}
    .catalog-head{flex-direction:column;align-items:flex-start;}
    .footer-main{grid-template-columns:1fr;}
    .cta-wrap{background:#fff;}
    .site-footer{padding-top:120px;}
    .cta-strip{margin-bottom:0;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
    .logo{font-size:20px;}
}
@media (max-width:480px){
    .container,.header-inner,.breadcrumb{padding-left:16px;padding-right:16px;}
    .section{padding:48px 0;}
    .cat-hero-copy h1{font-size:30px;}
    .cat-hero-copy .hero-sub{font-size:15px;}
    .hero-btn-group{flex-direction:column;}
    .hero-btn-group .btn{width:100%;}
    .cat-card-media{min-height:190px;}
    .cat-card-body{padding:18px;}
    .catalog-head h2{font-size:25px;}
    .cat-card-body h3{font-size:17px;}
    .service-note{padding:26px;}
    .cta-strip{padding:30px 24px;border-radius:14px;}
    .cta-strip h2{font-size:21px;}
    .cta-actions{width:100%;}
    .cta-actions .btn{width:100%;}
    .footer-main{padding-top:30px;}
}