/* roulang page: index */
:root{
  --c-primary:#2E7EB2;
  --c-primary-deep:#246B99;
  --c-bg-soft:#EDF5FA;
  --c-bg:#FFFFFF;
  --c-text:#1E2C38;
  --c-text-sub:#5B6B7B;
  --c-text-hint:#8AA0B2;
  --c-accent:#E5A33D;
  --c-border:#DCE7F0;
  --r-card:14px;
  --r-btn:8px;
  --shadow-card:0 4px 16px rgba(42,75,105,.08);
  --shadow-hover:0 10px 28px rgba(42,75,105,.14);
  --sp-section:84px;
  --sp-section-sm:48px;
  --container:1200px;
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--c-text);background:var(--c-bg);line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body.no-scroll{overflow:hidden}
a{color:var(--c-text);text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease}
a:hover{color:var(--c-primary)}
a:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:4px}
img{max-width:100%;display:block}
button{cursor:pointer;border:none;background:none}
ul,ol{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.grid-x{display:flex;flex-wrap:wrap}
.cell{flex:0 0 auto}
.site-header{position:relative;z-index:50;padding:8px 16px 0}
.header-inner{display:flex;align-items:center;gap:24px;max-width:var(--container);margin:0 auto;background:rgba(255,255,255,.88);backdrop-filter:blur(10px);border:1px solid var(--c-border);border-radius:16px;box-shadow:var(--shadow-card);padding:10px 20px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-logo{width:34px;height:34px;border-radius:9px;background:var(--c-primary);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:16px;letter-spacing:0;box-shadow:0 2px 8px rgba(46,126,178,.28)}
.brand-text{font-size:20px;font-weight:700;color:var(--c-text);letter-spacing:.3px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:6px;flex:1;justify-content:center}
.nav-item{display:flex;align-items:center;gap:7px;padding:8px 15px;border-radius:10px;font-size:14px;font-weight:600;color:var(--c-text-sub);background:#fff;border:1px solid transparent;transition:all .22s ease;white-space:nowrap}
.nav-item i{font-size:14px;color:var(--c-text-hint);transition:color .2s}
.nav-item:hover{color:var(--c-primary);background:var(--c-bg-soft);border-color:transparent}
.nav-item:hover i{color:var(--c-primary)}
.nav-item.active{background:var(--c-primary);color:#fff;border-color:var(--c-primary);box-shadow:0 4px 12px rgba(46,126,178,.25)}
.nav-item.active i{color:#fff}
.nav-cta{flex-shrink:0}
.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;align-items:center;justify-content:center;background:var(--c-bg-soft);color:var(--c-text);font-size:18px;order:3;transition:background .2s}
.nav-toggle:hover{background:var(--c-border)}
.nav-toggle:focus-visible{outline:2px solid var(--c-primary)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;transition:all .25s ease;border:1px solid transparent;line-height:1.4}
.btn-accent{background:var(--c-accent);color:#1E2C38;box-shadow:0 4px 14px rgba(229,163,61,.3)}
.btn-accent:hover{background:#d8942b;color:#1E2C38;transform:translateY(-2px);box-shadow:0 7px 20px rgba(229,163,61,.4)}
.btn-accent:active{transform:translateY(0)}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 4px 14px rgba(46,126,178,.25)}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-2px);box-shadow:0 7px 22px rgba(46,126,178,.35)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;border-color:var(--c-primary);color:var(--c-primary)}
.btn-outline:hover{background:var(--c-bg-soft);color:var(--c-primary-deep);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-sm{padding:8px 16px;font-size:13px;border-radius:7px}

.hero{background:var(--c-bg-soft);position:relative;overflow:hidden;padding:64px 0 72px}
.hero::before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background-image:radial-gradient(rgba(46,126,178,.07) 1px,transparent 1px);background-size:24px 24px;pointer-events:none}
.hero-inner{max-width:var(--container);margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:56px;position:relative}
.hero-text{flex:1.05;min-width:0}
.hero-text h1{font-size:40px;line-height:1.2;font-weight:800;color:var(--c-text);letter-spacing:-.4px;margin-bottom:18px}
.hero-text h1 span{color:var(--c-primary)}
.hero-sub{font-size:17px;line-height:1.8;color:var(--c-text-sub);max-width:520px;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-visual{flex:0 0 46%;position:relative}
.hero-visual .img-wrap{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-hover);background:#fff;aspect-ratio:16/10;position:relative}
.hero-visual img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.hero-visual .img-wrap:hover img{transform:scale(1.03)}
.hero-visual::after{content:"";position:absolute;inset:auto -14px -14px auto;width:60%;height:60%;background:linear-gradient(135deg,transparent 40%,rgba(46,126,178,.1));border-radius:var(--r-card);z-index:-1}
@media screen and (max-width:1023px) and (min-width:640px){
  .hero-inner{flex-direction:column;gap:32px}
  .hero-visual{width:100%;flex:none}
}
@media screen and (max-width:639px){
  .hero-text h1{font-size:30px}
  .hero-sub{font-size:15px}
  .hero-inner{flex-direction:column;gap:28px;padding:0 16px}
  .hero-visual{width:100%;flex:none}
}

.section{padding:var(--sp-section) 0}
.section-bg-soft{background:var(--c-bg-soft)}
.section-head{text-align:center;margin-bottom:48px}
.section-head .sec-tag{display:inline-block;background:rgba(46,126,178,.1);color:var(--c-primary);font-size:12px;font-weight:700;padding:5px 14px;border-radius:20px;letter-spacing:1px;text-transform:uppercase;margin-bottom:12px}
.section-head h2{font-size:30px;line-height:1.3;font-weight:700;color:var(--c-text);letter-spacing:-.2px}
.section-head p{font-size:16px;color:var(--c-text-sub);max-width:600px;margin:10px auto 0}
.section-head.left{text-align:left}
.section-head.left p{margin:10px 0 0}

.collection-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.collect-card{background:#fff;border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-card);border:1px solid var(--c-border);transition:box-shadow .25s,transform .25s;position:relative;overflow:hidden}
.collect-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:var(--c-primary);opacity:0;transition:opacity .25s}
.collect-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.collect-card:hover::before{opacity:1}
.collect-num{font-size:28px;font-weight:800;color:rgba(46,126,178,.15);font-variant-numeric:tabular-nums;display:block;margin-bottom:14px}
.collect-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.collect-card p{font-size:14px;color:var(--c-text-sub);line-height:1.6;margin-bottom:18px}
.collect-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary)}
.collect-link:hover{color:var(--c-primary-deep)}
.collect-link i{transition:transform .2s}
.collect-link:hover i{transform:translateY(2px)}

.featured-card{background:#fff;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-card);border:1px solid var(--c-border);transition:box-shadow .25s,transform .25s;display:flex;flex-direction:column;height:100%}
.featured-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.featured-card .card-img{position:relative;aspect-ratio:16/10;overflow:hidden}
.featured-card .card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.featured-card:hover .card-img img{transform:scale(1.05)}
.featured-card .card-body{padding:24px;flex:1;display:flex;flex-direction:column}
.featured-card .card-badge{display:inline-block;background:var(--c-bg-soft);color:var(--c-primary);font-size:12px;font-weight:700;padding:4px 12px;border-radius:20px;margin-bottom:12px;width:fit-content}
.featured-card h3{font-size:18px;font-weight:700;line-height:1.4;margin-bottom:10px;color:var(--c-text);display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}
.featured-card p{font-size:14px;line-height:1.7;color:var(--c-text-sub);margin-bottom:16px;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden}
.featured-card .card-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:14px;border-top:1px solid var(--c-border);font-size:13px;color:var(--c-text-hint)}
.featured-card .card-meta .time{display:flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums}
.featured-card .card-link{color:var(--c-primary);font-weight:600;display:flex;align-items:center;gap:5px;font-size:14px}
.featured-card .card-link:hover{color:var(--c-primary-deep)}
.featured-grid .cell{margin-bottom:26px}

.news-list-wrap{max-width:960px;margin:0 auto}
.news-item{display:flex;align-items:center;gap:22px;background:#fff;border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--shadow-card);border:1px solid var(--c-border);margin-bottom:14px;transition:box-shadow .25s,transform .25s,background .25s}
.news-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);background:rgba(237,245,250,.5)}
.news-item:hover .news-title{color:var(--c-primary)}
.news-date{flex-shrink:0;width:60px;text-align:center;background:var(--c-bg-soft);border-radius:12px;padding:10px 6px;border:1px solid rgba(46,126,178,.12)}
.news-date .day{font-size:24px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.1;display:block}
.news-date .mon{font-size:12px;color:var(--c-text-hint);display:block;margin-top:4px;font-variant-numeric:tabular-nums}
.news-content{flex:1;min-width:0}
.news-title{font-size:17px;font-weight:700;color:var(--c-text);margin-bottom:5px;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:1;overflow:hidden;transition:color .2s}
.news-excerpt{font-size:14px;color:var(--c-text-sub);line-height:1.6;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;margin-bottom:8px}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.news-meta .badge{background:var(--c-bg-soft);color:var(--c-primary);font-size:12px;font-weight:600;padding:3px 10px;border-radius:20px}
.news-meta .time{font-size:12px;color:var(--c-text-hint);display:flex;align-items:center;gap:5px;font-variant-numeric:tabular-nums}
.news-meta .more{font-size:13px;font-weight:600;color:var(--c-primary);display:flex;align-items:center;gap:4px}
.news-meta .more:hover{color:var(--c-primary-deep)}
.empty-tip{text-align:center;padding:40px 20px;color:var(--c-text-hint);font-size:15px;background:#fff;border-radius:var(--r-card);border:1px dashed var(--c-border)}

.recommend-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.rec-card{background:#fff;border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow-card);border:1px solid var(--c-border);transition:box-shadow .25s,transform .25s;display:flex;flex-direction:column;gap:8px;text-align:left;height:100%}
.rec-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:var(--c-primary)}
.rec-card i{color:var(--c-primary);font-size:20px;width:38px;height:38px;border-radius:10px;background:var(--c-bg-soft);display:flex;align-items:center;justify-content:center;margin-bottom:4px}
.rec-card h3{font-size:16px;font-weight:700;line-height:1.4}
.rec-card p{font-size:13px;color:var(--c-text-sub);line-height:1.5}
.rec-card .rec-link{font-size:13px;font-weight:600;color:var(--c-primary);display:flex;align-items:center;gap:5px;margin-top:auto}
.rec-card .rec-link:hover{color:var(--c-primary-deep)}

.faq-wrap{max-width:820px;margin:0 auto}
.accordion{background:transparent;border:none;outline:none}
.accordion-item{background:#fff;border-radius:var(--r-card);box-shadow:var(--shadow-card);border:1px solid var(--c-border);margin-bottom:12px;overflow:hidden;transition:box-shadow .25s}
.accordion-item:hover{box-shadow:var(--shadow-hover)}
.accordion-item.is-active{border-color:rgba(46,126,178,.3)}
.accordion-title{background:#fff;padding:20px 24px;font-size:16px;font-weight:600;color:var(--c-text);border:none;display:flex;align-items:center;justify-content:space-between;gap:14px;transition:background .2s,color .2s}
.accordion-title::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;color:var(--c-text-hint);transition:transform .3s}
.accordion-title:hover,.accordion-title:focus{background:var(--c-bg-soft);color:var(--c-primary)}
.accordion-item.is-active .accordion-title::after{transform:rotate(180deg)}
.accordion-item.is-active .accordion-title{color:var(--c-primary)}
.accordion-content{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--c-text-sub);border:none;background:#fff}
.accordion-content p{margin-bottom:10px}
.accordion-content p:last-child{margin-bottom:0}

.cta-banner{background:var(--c-bg-soft);border-radius:var(--r-card);padding:42px 48px;display:flex;align-items:center;justify-content:space-between;gap:30px;border:1px solid rgba(46,126,178,.14);position:relative;overflow:hidden}
.cta-banner::before{content:"";position:absolute;top:-30px;right:-30px;width:160px;height:160px;border-radius:50%;background:rgba(46,126,178,.05)}
.cta-text h2{font-size:26px;font-weight:700;margin-bottom:6px}
.cta-text p{font-size:15px;color:var(--c-text-sub)}
.cta-actions{display:flex;align-items:center;gap:16px;flex-shrink:0}
.share-group{display:flex;gap:8px}
.share-btn{width:42px;height:42px;border-radius:50%;background:#fff;border:1px solid var(--c-border);display:flex;align-items:center;justify-content:center;color:var(--c-text-sub);font-size:16px;transition:all .22s}
.share-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-bg-soft);transform:translateY(-2px)}
.share-btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.share-btn:active{transform:translateY(0)}

.site-footer{background:#1E2C38;color:#B8C8D8;padding:56px 0 24px;margin-top:80px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand .brand{color:#fff;margin-bottom:14px}
.footer-brand .brand-logo{background:var(--c-primary)}
.footer-brand .brand-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.8;color:#B8C8D8;max-width:300px}
.footer-col h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{font-size:14px;color:#B8C8D8;transition:color .2s,padding-left .2s}
.footer-col ul li a:hover{color:#fff;padding-left:4px}
.footer-contact li{font-size:14px;display:flex;align-items:center;gap:10px;margin-bottom:10px;color:#B8C8D8}
.footer-contact li i{color:var(--c-primary);width:20px;text-align:center}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-bottom p{font-size:13px;color:#8AA0B2}
.footer-bottom .beian{font-size:13px;color:#8AA0B2}
.footer-bottom .beian a{color:#8AA0B2}
.footer-bottom .beian a:hover{color:#fff}
@media screen and (min-width:640px) and (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
}
@media screen and (max-width:639px){
  .footer-grid{grid-template-columns:1fr}
  .sp-section{--sp-section:56px}
  .site-footer{padding-top:40px}
}

@media screen and (max-width:1023px){
  .main-nav{position:fixed;top:80px;left:16px;right:16px;background:#fff;border-radius:16px;box-shadow:var(--shadow-hover);border:1px solid var(--c-border);flex-direction:column;padding:16px;gap:8px;transform:translateY(-12px);opacity:0;visibility:hidden;transition:all .3s ease;align-items:stretch;z-index:99}
  .main-nav.open{transform:translateY(0);opacity:1;visibility:visible}
  .nav-item{padding:12px 16px;justify-content:flex-start}
  .nav-toggle{display:flex}
  .nav-cta{margin-left:auto}
  .collection-grid{grid-template-columns:repeat(3,1fr);gap:16px}
  .recommend-grid{grid-template-columns:repeat(2,1fr)}
  .cta-banner{flex-direction:column;align-items:flex-start;padding:32px}
}
@media screen and (max-width:639px){
  .section{padding:var(--sp-section-sm) 0}
  .section-head{margin-bottom:34px}
  .section-head h2{font-size:24px}
  .collection-grid{grid-template-columns:1fr;gap:14px}
  .featured-grid .cell{width:100%}
  .recommend-grid{grid-template-columns:1fr;gap:12px}
  .news-item{flex-direction:column;align-items:flex-start;gap:14px}
  .news-date{display:flex;align-items:center;gap:8px;width:auto;padding:6px 14px}
  .news-date .day{font-size:18px}
  .news-date .mon{font-size:12px;margin-top:0}
  .brand-text{font-size:17px}
  .btn{padding:10px 18px;font-size:14px}
  .header-inner{padding:10px 14px;gap:14px}
  .footer-bottom{flex-direction:column;justify-content:center;text-align:center}
  .cta-banner{padding:26px 22px}
  .hero{padding:40px 0 48px}
}
@media screen and (min-width:1024px){
  .featured-grid .cell{width:33.3333%}
}

/* roulang page: category1 */
:root{
  --c-primary:#2E7EB2;
  --c-primary-deep:#246B99;
  --c-bg-soft:#EDF5FA;
  --c-bg:#FFFFFF;
  --c-text:#1E2C38;
  --c-text-sub:#5B6B7B;
  --c-text-hint:#8AA0B2;
  --c-accent:#E5A33D;
  --c-border:#DCE7F0;
  --r-card:14px;
  --r-btn:8px;
  --shadow-card:0 4px 16px rgba(42,75,105,.08);
  --shadow-hover:0 10px 28px rgba(42,75,105,.14);
  --sp-section:84px;
  --sp-section-sm:48px;
  --container:1200px;
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--c-text);background:var(--c-bg);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-text);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary);text-decoration:underline}
a:focus-visible{outline:3px solid rgba(46,126,178,.35);outline-offset:2px;border-radius:4px}
button{font-family:var(--font);cursor:pointer}
h1,h2,h3,h4,h5{margin:0;line-height:1.3;font-weight:700;color:var(--c-text)}
p{margin:0}

.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.text-hint{color:var(--c-text-hint)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;transition:all .25s ease;line-height:1.5;cursor:pointer;
}
.btn:focus-visible{outline:3px solid rgba(229,163,61,.4);outline-offset:2px}
.btn i{font-size:14px}
.btn-accent{
  background:var(--c-accent);color:#fff;border-color:var(--c-accent);
  box-shadow:0 4px 14px rgba(229,163,61,.3);
}
.btn-accent:hover{background:#d8932e;border-color:#d8932e;color:#fff;transform:translateY(-2px);box-shadow:0 8px 22px rgba(229,163,61,.35)}
.btn-accent:active{transform:translateY(0);box-shadow:0 2px 8px rgba(229,163,61,.25)}
.btn-outline{
  background:#fff;color:var(--c-primary);border-color:#c5d9e8;
}
.btn-outline:hover{background:var(--c-bg-soft);color:var(--c-primary-deep);border-color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--shadow-card)}
.btn-outline:active{transform:translateY(0);box-shadow:none}
.btn-primary{
  background:var(--c-primary);color:#fff;border-color:var(--c-primary);
  box-shadow:0 4px 14px rgba(46,126,178,.28);
}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;border-color:var(--c-primary-deep);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-sm{padding:9px 20px;font-size:14px}

/* ===== 导航 ===== */
.site-header{
  padding:10px 24px 0;
  position:relative;
  z-index:100;
}
.header-inner{
  max-width:var(--container);
  margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  background:rgba(255,255,255,.94);
  border:1px solid rgba(220,231,240,.7);
  border-radius:16px;
  padding:10px 18px;
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(6px);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;color:var(--c-text);text-decoration:none}
.brand:hover{color:var(--c-text);text-decoration:none}
.brand-logo{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:800;letter-spacing:-1px;
  box-shadow:0 4px 10px rgba(46,126,178,.3);
}
.brand-text{font-size:22px;font-weight:800;letter-spacing:.5px;color:var(--c-text);line-height:1}
.main-nav{display:flex;align-items:center;gap:10px}
.nav-item{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:10px;
  font-size:14px;font-weight:600;color:var(--c-text-sub);
  background:#fff;border:1px solid transparent;
  transition:all .25s ease;white-space:nowrap;
}
.nav-item i{font-size:14px;color:var(--c-text-hint);transition:color .2s}
.nav-item:hover{background:var(--c-bg-soft);color:var(--c-primary);text-decoration:none;border-color:var(--c-border)}
.nav-item:hover i{color:var(--c-primary)}
.nav-item.active{
  background:var(--c-primary);color:#fff;border-color:var(--c-primary);
  box-shadow:0 4px 12px rgba(46,126,178,.25);
}
.nav-item.active i{color:#fff}
.nav-item:focus-visible{outline:3px solid rgba(46,126,178,.35);outline-offset:2px}
.nav-cta{flex-shrink:0}
.nav-toggle{
  display:none;background:none;border:none;font-size:22px;color:var(--c-text);
  padding:8px;border-radius:8px;transition:background .2s;
}
.nav-toggle:hover{background:var(--c-bg-soft)}
.nav-toggle:focus-visible{outline:3px solid rgba(46,126,178,.35);outline-offset:2px}

/* ===== Page Hero ===== */
.page-hero{
  background:var(--c-bg-soft);
  padding:64px 0 56px;
  position:relative;
  overflow:hidden;
}
.page-hero::before{
  content:'';position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;opacity:.07;
}
.page-hero .container{position:relative;z-index:1}
.page-hero-inner{
  max-width:820px;
  background:rgba(255,255,255,.86);
  border-radius:var(--r-card);
  padding:36px 40px;
  box-shadow:var(--shadow-card);
  border:1px solid rgba(220,231,240,.6);
}
.page-hero h1{font-size:38px;line-height:1.2;margin-bottom:12px;color:var(--c-text)}
.page-hero p{font-size:16px;color:var(--c-text-sub);margin-bottom:24px;max-width:640px}
.page-hero .breadcrumb{
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-text-hint);
  margin-bottom:16px;
}
.page-hero .breadcrumb a{color:var(--c-text-hint)}
.page-hero .breadcrumb a:hover{color:var(--c-primary)}
.page-hero .breadcrumb i{font-size:11px}

.hero-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ===== 通用板块 ===== */
.section{padding:var(--sp-section) 0}
.section-bg{background:var(--c-bg-soft)}
.section-head{margin-bottom:44px}
.section-title{font-size:28px;line-height:1.3;margin-bottom:10px;position:relative}
.section-title::after{
  content:'';display:block;width:38px;height:3px;
  background:var(--c-accent);border-radius:2px;margin-top:10px;
}
.section-subtitle{font-size:15px;color:var(--c-text-sub);max-width:600px;line-height:1.7}

/* ===== 图文交错指南列表 ===== */
.guide-list{display:flex;flex-direction:column;gap:72px}
.guide-item{
  display:flex;align-items:center;gap:56px;
  background:#fff;border-radius:var(--r-card);
  padding:32px;box-shadow:var(--shadow-card);
  border:1px solid var(--c-border);
  transition:box-shadow .25s ease,transform .25s ease;
}
.guide-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.guide-item:nth-child(even) .guide-media{order:2}
.guide-media{
  flex:0 0 46%;position:relative;border-radius:12px;overflow:hidden;
  aspect-ratio:16/10;background:var(--c-bg-soft);
}
.guide-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.guide-item:hover .guide-media img{transform:scale(1.03)}
.guide-content{flex:1}
.guide-tag{
  display:inline-block;padding:4px 12px;border-radius:20px;
  background:var(--c-bg-soft);color:var(--c-primary);
  font-size:12px;font-weight:600;margin-bottom:12px;
}
.guide-content h3{font-size:22px;margin-bottom:10px;color:var(--c-text)}
.guide-content p{font-size:15px;color:var(--c-text-sub);line-height:1.8;margin-bottom:18px}
.guide-link{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--c-primary);font-size:14px;font-weight:600;
  transition:gap .2s ease;
}
.guide-link:hover{color:var(--c-primary-deep);text-decoration:none;gap:12px}
.guide-link i{font-size:13px}

/* ===== 快速流程 ===== */
.steps-grid{display:flex;gap:24px;flex-wrap:wrap}
.step-card{
  flex:1 1 200px;background:#fff;border-radius:var(--r-card);
  padding:30px 26px;border:1px solid var(--c-border);
  box-shadow:var(--shadow-card);position:relative;
  transition:box-shadow .25s ease,transform .25s ease;
}
.step-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.step-num{
  width:42px;height:42px;border-radius:12px;
  background:var(--c-bg-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:800;margin-bottom:18px;
  font-variant-numeric:tabular-nums;
}
.step-card:nth-child(2) .step-num{color:var(--c-accent)}
.step-card:nth-child(3) .step-num{color:#5b9e6e}
.step-card:nth-child(4) .step-num{color:var(--c-primary-deep)}
.step-title{font-size:18px;margin-bottom:8px;font-weight:700}
.step-desc{font-size:14px;color:var(--c-text-sub);line-height:1.7}

/* ===== FAQ ===== */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--c-border);
  border-radius:12px;margin-bottom:10px;overflow:hidden;
  box-shadow:0 1px 4px rgba(42,75,105,.05);
  transition:box-shadow .25s ease;
}
.faq-item:hover{box-shadow:var(--shadow-card)}
.faq-item.is-active{border-color:var(--c-primary);box-shadow:0 4px 16px rgba(46,126,178,.08)}
.accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;cursor:pointer;font-size:15px;font-weight:600;
  color:var(--c-text);transition:color .2s;
}
.accordion-title:hover{color:var(--c-primary)}
.accordion-title .faq-icon{
  width:24px;height:24px;border-radius:6px;background:var(--c-bg-soft);
  display:flex;align-items:center;justify-content:center;font-size:12px;
  color:var(--c-text-sub);transition:all .25s ease;flex-shrink:0;
}
.faq-item.is-active .accordion-title .faq-icon{
  background:var(--c-primary);color:#fff;transform:rotate(180deg);
}
.accordion-content{
  max-height:0;overflow:hidden;transition:max-height .35s ease;
}
.faq-item.is-active .accordion-content{max-height:320px}
.faq-answer{padding:0 22px 20px;font-size:14px;color:var(--c-text-sub);line-height:1.8}

/* ===== 表单 ===== */
.form-section{
  background:var(--c-bg-soft);
  border-top:1px solid var(--c-border);
}
.form-card{
  max-width:680px;margin:0 auto;background:#fff;
  border-radius:var(--r-card);padding:44px 48px;
  box-shadow:var(--shadow-card);border:1px solid var(--c-border);
}
.form-card h3{font-size:22px;margin-bottom:6px}
.form-card .form-intro{font-size:14px;color:var(--c-text-sub);margin-bottom:30px}
.form-group{margin-bottom:22px}
.form-group label{
  display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--c-text);
}
.form-control{
  width:100%;padding:13px 16px;border:1px solid var(--c-border);
  border-radius:var(--r-btn);font-size:14px;font-family:var(--font);
  background:#fff;color:var(--c-text);transition:border-color .2s,box-shadow .2s;
}
.form-control:focus{
  outline:none;border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(46,126,178,.12);
}
.form-control::placeholder{color:var(--c-text-hint)}
textarea.form-control{min-height:120px;resize:vertical}

/* ===== CTA ===== */
.cta-section{padding:64px 0}
.cta-box{
  background:var(--c-bg-soft);
  border-radius:var(--r-card);
  padding:48px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  border:1px solid var(--c-border);
}
.cta-box h3{font-size:24px;margin-bottom:8px}
.cta-box p{font-size:15px;color:var(--c-text-sub);max-width:500px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ===== 页脚 ===== */
.site-footer{
  background:#1E2C38;color:#B9C6D2;
  padding:64px 0 24px;
}
.site-footer .brand{color:#fff}
.site-footer .brand-text{color:#fff}
.site-footer .footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:48px;
  margin-bottom:40px;
}
.footer-brand p{font-size:14px;color:#8CA3B5;line-height:1.8;margin-top:16px;max-width:320px}
.footer-col h4{
  font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;
  letter-spacing:.5px;
}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:10px;font-size:14px;color:#8CA3B5}
.footer-col a{color:#8CA3B5;transition:color .2s}
.footer-col a:hover{color:#fff;text-decoration:none}
.footer-contact li{display:flex;align-items:center;gap:10px}
.footer-contact i{width:16px;color:#5B6B7B;font-size:14px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:24px;display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:12px;
}
.footer-bottom p{font-size:13px;color:#8CA3B5;margin:0}
.footer-bottom .beian a{color:#8CA3B5;transition:color .2s}
.footer-bottom .beian a:hover{color:#fff}

/* ===== 响应式 ===== */
@media (max-width:1023px){
  .header-inner{flex-wrap:wrap}
  .main-nav{order:3;width:100%;justify-content:flex-start;overflow-x:auto;padding-top:8px;border-top:1px solid var(--c-border)}
  .nav-item{flex-shrink:0}
  .nav-cta{display:none}
  .page-hero h1{font-size:30px}
  .guide-item{flex-direction:column;gap:28px;padding:28px}
  .guide-item:nth-child(even) .guide-media{order:0}
  .guide-media{flex:none;width:100%}
  .steps-grid{flex-direction:column}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-box{padding:36px 32px}
}
@media (max-width:639px){
  .site-header{padding:6px 12px 0}
  .header-inner{
    padding:10px 14px;
    gap:10px;
  }
  .brand-text{font-size:18px}
  .brand-logo{width:32px;height:32px;font-size:16px}
  .nav-toggle{display:block}
  .main-nav{
    display:none;
    position:absolute;top:calc(100% + 4px);left:12px;right:12px;
    background:#fff;border:1px solid var(--c-border);
    border-radius:14px;box-shadow:var(--shadow-hover);
    padding:12px;flex-direction:column;align-items:stretch;
    overflow:visible;z-index:200;
  }
  .main-nav.open{display:flex}
  .nav-item{width:100%;justify-content:flex-start;padding:12px 16px}
  .page-hero{padding:36px 0 28px}
  .page-hero-inner{padding:24px 22px}
  .page-hero h1{font-size:26px}
  .page-hero p{font-size:14px}
  .hero-actions .btn{flex:1;justify-content:center}
  .section{padding:48px 0}
  .section-title{font-size:22px}
  .section-subtitle{font-size:14px}
  .guide-list{gap:32px}
  .guide-item{padding:20px}
  .guide-content h3{font-size:19px}
  .guide-content p{font-size:14px}
  .form-card{padding:28px 22px}
  .cta-section{padding:40px 0}
  .cta-box{flex-direction:column;align-items:flex-start;padding:28px 24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1;justify-content:center}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;text-align:center}
  .footer-col h4{margin-bottom:12px}
  .accordion-title{font-size:14px;padding:16px 16px}
  .faq-answer{padding:0 16px 16px;font-size:13px}
  .step-card{padding:24px 20px}
}

/* roulang page: article */
:root {
  --c-primary: #2E7EB2;
  --c-primary-deep: #246B99;
  --c-bg-soft: #EDF5FA;
  --c-bg: #FFFFFF;
  --c-text: #1E2C38;
  --c-text-sub: #5B6B7B;
  --c-text-hint: #8AA0B2;
  --c-accent: #E5A33D;
  --c-border: #DCE7F0;
  --r-card: 14px;
  --r-btn: 8px;
  --shadow-card: 0 4px 16px rgba(42, 75, 105, .08);
  --shadow-hover: 0 10px 28px rgba(42, 75, 105, .14);
  --sp-section: 84px;
  --sp-section-sm: 48px;
  --container: 1200px;
  --font: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: inherit;
}

a {
  color: var(--c-text);
  transition: color .25s;
}

a:hover {
  color: var(--c-primary);
  text-decoration: underline;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(46, 126, 178, .35);
  outline-offset: 2px;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--r-btn);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  line-height: 1.4;
  transition: all .25s;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 14px;
}

.btn-accent {
  background: var(--c-accent);
  color: #fff;
  border-color: var(--c-accent);
}

.btn-accent:hover {
  background: #d3922f;
  color: #fff;
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-accent:active {
  transform: translateY(0);
}

.btn-outline {
  background: #fff;
  border-color: var(--c-primary);
  color: var(--c-primary);
}

.btn-outline:hover {
  background: var(--c-bg-soft);
  color: var(--c-primary-deep);
  text-decoration: none;
  transform: translateY(-2px);
}

.btn-outline:active {
  transform: translateY(0);
}

.site-header {
  padding: 8px 16px 0;
  position: relative;
  z-index: 50;
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--c-border);
  border-radius: 16px;
  box-shadow: var(--shadow-card);
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--c-text);
  flex-shrink: 0;
}

.brand:hover {
  text-decoration: none;
  color: var(--c-text);
}

.brand-logo {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--c-primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  font-family: Georgia, serif;
}

.brand-text {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .5px;
}

.main-nav {
  display: flex;
  gap: 8px;
  flex: 1;
  flex-wrap: wrap;
}

.nav-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border-radius: 10px;
  text-decoration: none;
  color: var(--c-text-sub);
  background: #fff;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 500;
  transition: all .25s;
}

.nav-item i {
  font-size: 14px;
}

.nav-item:hover {
  background: var(--c-bg-soft);
  color: var(--c-primary);
  text-decoration: none;
}

.nav-item.active {
  background: var(--c-primary);
  color: #fff;
}

.nav-item.active:hover {
  background: var(--c-primary-deep);
  color: #fff;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--c-border);
  background: #fff;
  color: var(--c-text);
  font-size: 16px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.nav-toggle:hover {
  background: var(--c-bg-soft);
  color: var(--c-primary);
  border-color: var(--c-primary);
}

.article-main {
  padding: 24px 0 var(--sp-section);
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--c-text-sub);
  margin-bottom: 20px;
}

.breadcrumb a {
  color: var(--c-text-sub);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--c-primary);
}

.breadcrumb .sep {
  margin: 0 8px;
  color: var(--c-text-hint);
}

.breadcrumb .current {
  color: var(--c-text);
  font-weight: 500;
}

.article-card {
  max-width: 860px;
  margin: 0 auto;
  background: #fff;
  border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
  padding: 44px 52px;
  border: 1px solid var(--c-border);
}

.article-head {
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--c-border);
}

.article-head h1 {
  font-size: 34px;
  line-height: 1.35;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 14px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--c-text-hint);
  font-size: 14px;
  flex-wrap: wrap;
}

.article-cat {
  display: inline-flex;
  padding: 4px 14px;
  background: var(--c-bg-soft);
  color: var(--c-primary);
  border-radius: 30px;
  font-size: 13px;
  font-weight: 600;
}

.article-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--c-text-hint);
}

.article-body {
  font-size: 16px;
  line-height: 1.9;
  color: var(--c-text);
  max-width: 760px;
  margin: 0 auto;
}

.article-body h2 {
  font-size: 24px;
  line-height: 1.4;
  margin-top: 36px;
  margin-bottom: 14px;
  color: var(--c-primary-deep);
}

.article-body h3 {
  font-size: 20px;
  line-height: 1.5;
  margin-top: 28px;
  margin-bottom: 12px;
  color: var(--c-text);
}

.article-body p {
  margin-bottom: 18px;
  color: var(--c-text);
}

.article-body img {
  border-radius: 14px;
  margin: 24px 0;
  box-shadow: var(--shadow-card);
}

.article-body blockquote {
  border-left: 4px solid var(--c-primary);
  background: var(--c-bg-soft);
  padding: 16px 22px;
  border-radius: 0 10px 10px 0;
  margin: 22px 0;
  color: var(--c-text-sub);
}

.article-body ul,
.article-body ol {
  padding-left: 1.5em;
  margin-bottom: 18px;
}

.article-body li {
  margin-bottom: 8px;
}

.article-body a {
  color: var(--c-primary);
  font-weight: 500;
}

.article-body a:hover {
  color: var(--c-primary-deep);
}

.article-empty {
  text-align: center;
  padding: 60px 20px;
}

.article-empty p {
  font-size: 20px;
  color: var(--c-text-sub);
  margin-bottom: 20px;
}

.article-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid var(--c-border);
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.tag {
  display: inline-flex;
  padding: 6px 14px;
  background: var(--c-bg-soft);
  color: var(--c-text-sub);
  border-radius: 30px;
  font-size: 13px;
  line-height: 1.5;
}

.tag:hover {
  background: rgba(46, 126, 178, .12);
  color: var(--c-primary);
}

.article-share {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.share-label {
  font-size: 14px;
  color: var(--c-text-hint);
  margin-right: 4px;
}

.share-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--c-border);
  background: #fff;
  color: var(--c-text-sub);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all .25s;
}

.share-btn:hover {
  background: var(--c-primary);
  color: #fff;
  border-color: var(--c-primary);
  transform: translateY(-2px);
}

.share-btn:active {
  transform: translateY(0);
}

.article-pager {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-top: 28px;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  flex-wrap: wrap;
}

.article-pager .btn {
  flex: 1;
  min-width: 140px;
}

.related-section {
  background: var(--c-bg-soft);
  padding: var(--sp-section-sm) 0;
}

.section-head {
  text-align: center;
  margin-bottom: 36px;
}

.section-head h2 {
  font-size: 28px;
  line-height: 36px;
  font-weight: 700;
  color: var(--c-text);
}

.section-head p {
  color: var(--c-text-sub);
  font-size: 15px;
  margin-top: 8px;
}

.related-card {
  background: #fff;
  border-radius: var(--r-card);
  padding: 26px 24px;
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-card);
  transition: all .25s;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.related-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(46, 126, 178, .25);
}

.related-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--c-bg-soft);
  color: var(--c-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 16px;
}

.related-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--c-text);
}

.related-card p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-text-sub);
  margin-bottom: 14px;
  flex: 1;
}

.related-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}

.related-card:hover .related-link {
  color: var(--c-primary-deep);
  text-decoration: underline;
}

.grid-x {
  margin-bottom: -20px;
}

.grid-x .cell {
  margin-bottom: 20px;
}

.article-cta {
  padding: var(--sp-section-sm) 0;
}

.cta-box {
  background: var(--c-bg-soft);
  border-radius: var(--r-card);
  border: 1px solid var(--c-border);
  overflow: hidden;
}

.cta-inner {
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 40px 48px;
}

.cta-text {
  flex: 1;
}

.cta-text h2 {
  font-size: 26px;
  line-height: 1.4;
  margin-bottom: 12px;
  color: var(--c-text);
}

.cta-text p {
  color: var(--c-text-sub);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 20px;
}

.cta-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.cta-image {
  width: 320px;
  max-width: 42%;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: var(--shadow-card);
}

.site-footer {
  background: #1E2C38;
  color: rgba(255, 255, 255, .75);
  padding: 56px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}

.footer-brand .brand-text {
  color: #fff;
}

.footer-brand .brand-logo {
  background: #fff;
  color: var(--c-primary);
}

.footer-brand p {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .6);
  max-width: 340px;
}

.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 14px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 9px;
}

.footer-col a {
  color: rgba(255, 255, 255, .65);
  text-decoration: none;
  font-size: 14px;
}

.footer-col a:hover {
  color: #fff;
  text-decoration: underline;
}

.footer-contact li {
  color: rgba(255, 255, 255, .55);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-contact i {
  color: var(--c-accent);
  font-size: 13px;
  width: 16px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding-top: 16px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255, 255, 255, .5);
}

.footer-bottom a {
  color: rgba(255, 255, 255, .5);
  text-decoration: none;
}

.footer-bottom a:hover {
  color: #fff;
}

@media (max-width: 1023px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cta-inner {
    flex-direction: column;
    padding: 32px;
  }
  .cta-image {
    width: 100%;
    max-width: 100%;
  }
}

@media (max-width: 767px) {
  :root {
    --sp-section: 52px;
    --sp-section-sm: 36px;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .main-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 8px;
  }
  .main-nav.open {
    display: flex;
  }
  .nav-item {
    width: 100%;
    justify-content: flex-start;
  }
  .nav-cta {
    margin-left: auto;
  }
  .article-card {
    padding: 28px 22px;
    border-radius: 12px;
  }
  .article-head h1 {
    font-size: 26px;
  }
  .article-body {
    font-size: 15px;
  }
  .article-body h2 {
    font-size: 21px;
  }
  .article-body h3 {
    font-size: 18px;
  }
  .cta-inner {
    padding: 24px 20px;
  }
  .cta-text h2 {
    font-size: 22px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .article-pager {
    flex-direction: column;
  }
  .article-pager .btn {
    width: 100%;
  }
}

@media (max-width: 520px) {
  .header-inner {
    padding: 10px 14px;
    gap: 10px;
  }
  .brand-text {
    font-size: 18px;
  }
  .nav-cta {
    display: none;
  }
  .article-meta {
    gap: 8px;
    font-size: 13px;
  }
  .related-card {
    padding: 22px 18px;
  }
}

/* roulang page: category3 */
:root{
      --c-primary:#2E7EB2;
      --c-primary-deep:#246B99;
      --c-bg-soft:#EDF5FA;
      --c-bg:#FFFFFF;
      --c-text:#1E2C38;
      --c-text-sub:#5B6B7B;
      --c-text-hint:#8AA0B2;
      --c-accent:#E5A33D;
      --c-border:#DCE7F0;
      --r-card:14px;
      --r-btn:8px;
      --shadow-card:0 4px 16px rgba(42,75,105,.08);
      --shadow-hover:0 10px 28px rgba(42,75,105,.14);
      --sp-section:84px;
      --sp-section-sm:48px;
      --container:1200px;
      --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
    body{font-family:var(--font);background:var(--c-bg);color:var(--c-text);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
    a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease}
    a:hover{color:var(--c-primary)}
    a:focus-visible{outline:3px solid rgba(46,126,178,.4);outline-offset:2px;border-radius:4px}
    img{max-width:100%;display:block;height:auto}
    ul,ol{list-style:none}
    button,input,textarea{font-family:inherit}

    .container{max-width:var(--container);margin:0 auto;padding:0 24px}
    .grid-container{padding-left:24px;padding-right:24px;max-width:var(--container)}

    .site-header{padding:8px 16px 0;position:relative;z-index:60}
    .header-inner{max-width:var(--container);margin:0 auto;display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border:1px solid var(--c-border);border-radius:16px;padding:10px 16px;box-shadow:var(--shadow-card)}
    .brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:var(--c-text);flex-shrink:0}
    .brand:hover{color:var(--c-text)}
    .brand-logo{width:36px;height:36px;background:var(--c-primary);color:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:19px;letter-spacing:-.5px;box-shadow:0 4px 10px rgba(46,126,178,.25)}
    .brand-text{font-size:20px;font-weight:800;letter-spacing:.5px}
    .main-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap;justify-content:center}
    .nav-item{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:10px;background:#fff;color:var(--c-text-sub);border:1px solid transparent;font-size:14px;font-weight:500;transition:background .2s,color .2s,box-shadow .2s}
    .nav-item i{font-size:14px}
    .nav-item:hover{background:var(--c-bg-soft);color:var(--c-primary)}
    .nav-item.active{background:var(--c-primary);color:#fff;box-shadow:0 4px 12px rgba(46,126,178,.25)}
    .nav-cta{flex-shrink:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);font-size:15px;font-weight:600;padding:11px 22px;border:1px solid transparent;cursor:pointer;transition:all .25s ease;line-height:1.4}
    .btn:focus-visible{outline:3px solid rgba(46,126,178,.45);outline-offset:2px}
    .btn-accent{background:var(--c-accent);color:#1E2C38;border-color:var(--c-accent)}
    .btn-accent:hover{background:#d8942f;color:#1E2C38;transform:translateY(-2px);box-shadow:0 8px 18px rgba(229,163,61,.3)}
    .btn-outline{background:#fff;color:var(--c-primary);border-color:var(--c-primary)}
    .btn-outline:hover{background:var(--c-bg-soft);color:var(--c-primary-deep);transform:translateY(-2px);box-shadow:0 8px 18px rgba(46,126,178,.15)}
    .btn-primary{background:var(--c-primary);color:#fff}
    .btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(46,126,178,.3)}
    .btn-sm{padding:8px 16px;font-size:14px}
    .nav-toggle{display:none;background:none;border:1px solid var(--c-border);border-radius:10px;width:42px;height:42px;font-size:18px;color:var(--c-text);cursor:pointer;align-items:center;justify-content:center;transition:background .2s}
    .nav-toggle:hover{background:var(--c-bg-soft)}

    .main{overflow:hidden}

    .page-hero{background:var(--c-bg-soft);padding:64px 0 72px;position:relative}
    .page-hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 15% 30%,rgba(46,126,178,.08),transparent 45%),radial-gradient(circle at 85% 75%,rgba(46,126,178,.06),transparent 40%);pointer-events:none}
    .hero-inner{display:flex;align-items:center;gap:56px;position:relative;z-index:1}
    .hero-copy{flex:1.1}
    .hero-media{flex:.9}
    .hero-media img{width:100%;border-radius:16px;box-shadow:var(--shadow-hover);aspect-ratio:16/10;object-fit:cover}
    .hero-kicker{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--c-border);color:var(--c-primary);border-radius:50px;padding:6px 16px;font-size:13px;font-weight:600;margin-bottom:18px}
    .hero-kicker i{font-size:12px}
    .page-hero h1{font-size:38px;line-height:44px;font-weight:800;letter-spacing:.5px;color:var(--c-text);margin-bottom:14px}
    .page-hero h1 span{color:var(--c-primary)}
    .hero-desc{font-size:16px;color:var(--c-text-sub);max-width:520px;line-height:1.7}

    .section{padding:var(--sp-section) 0}
    .section-alt{background:var(--c-bg-soft)}
    .section-tight{padding:var(--sp-section-sm) 0}
    .section-head{margin-bottom:40px;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
    .section-title{font-size:28px;line-height:36px;font-weight:800;color:var(--c-text);position:relative;padding-bottom:12px}
    .section-title::after{content:"";position:absolute;left:0;bottom:0;width:36px;height:3px;background:var(--c-accent);border-radius:4px}
    .section-desc{color:var(--c-text-sub);max-width:600px;margin-top:10px;font-size:15px}
    .section-head-center{justify-content:center;text-align:center}
    .section-head-center .section-title::after{left:50%;transform:translateX(-50%)}
    .section-head-center .section-desc{margin-left:auto;margin-right:auto}

    .feature-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:28px;align-items:stretch}
    .feature-large{background:#fff;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-card);transition:box-shadow .3s,transform .3s;height:100%;display:flex;flex-direction:column}
    .feature-large:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
    .feature-large img{width:100%;aspect-ratio:16/8;object-fit:cover}
    .feature-content{padding:30px;display:flex;flex-direction:column;flex:1}
    .feature-content h3{font-size:22px;line-height:30px;margin-bottom:12px;color:var(--c-text)}
    .feature-content p{color:var(--c-text-sub);font-size:15px;line-height:1.75;margin-bottom:22px;flex:1}
    .feature-link{color:var(--c-primary);font-weight:600;display:inline-flex;align-items:center;gap:6px}
    .feature-link i{transition:transform .2s}
    .feature-link:hover i{transform:translateX(4px)}
    .feature-small-grid{display:grid;grid-template-columns:1fr;gap:28px}
    .feature-card{background:#fff;border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-card);display:flex;gap:20px;align-items:center;transition:box-shadow .3s,transform .3s}
    .feature-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
    .feature-card img{width:96px;height:96px;border-radius:12px;object-fit:cover;flex-shrink:0}
    .feature-card h4{font-size:17px;margin-bottom:6px;color:var(--c-text)}
    .feature-card p{font-size:14px;color:var(--c-text-sub);line-height:1.6;margin:0}

    .badge{display:inline-block;background:var(--c-bg-soft);color:var(--c-primary);border-radius:50px;padding:4px 12px;font-size:13px;font-weight:600}
    .badge-accent{background:rgba(229,163,61,.16);color:#a3731f}

    .faq-section{background:var(--c-bg)}
    .faq-list{max-width:880px;margin:0 auto}
    .accordion{margin-bottom:0;background:transparent}
    .accordion-item{background:#fff;border:1px solid var(--c-border);border-radius:12px;margin-bottom:10px;overflow:hidden;transition:box-shadow .25s,transform .25s}
    .accordion-item:hover{box-shadow:var(--shadow-card)}
    .accordion-item.is-active{border-color:rgba(46,126,178,.4);box-shadow:var(--shadow-card)}
    .accordion-title{background:#fff;padding:20px 24px;font-size:16px;font-weight:600;color:var(--c-text);display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid transparent;transition:background .2s,color .2s}
    .accordion-title:hover{background:var(--c-bg-soft);color:var(--c-primary)}
    .accordion-title .faq-icon{flex-shrink:0;width:20px;height:20px;transition:transform .3s ease}
    .accordion-item.is-active .accordion-title .faq-icon{transform:rotate(180deg)}
    .accordion-item.is-active .accordion-title{border-bottom-color:var(--c-border);color:var(--c-primary)}
    .accordion-content{background:#fff;padding:4px 24px 22px;color:var(--c-text-sub);font-size:15px;line-height:1.75;border-bottom:1px solid transparent}
    .accordion-content p{margin-bottom:0}

    .stats-section{background:var(--c-bg-soft)}
    .stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
    .stat-card{background:#fff;border-radius:var(--r-card);padding:34px 28px;text-align:center;box-shadow:var(--shadow-card);border-top:3px solid var(--c-accent);transition:transform .25s,box-shadow .25s}
    .stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
    .stat-num{font-size:36px;font-weight:800;color:var(--c-primary);line-height:1.2}
    .stat-label{font-size:14px;color:var(--c-text-sub);margin-top:8px}

    .cat-section{background:var(--c-bg)}
    .cat-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
    .cat-card{background:#fff;border-radius:var(--r-card);padding:30px;box-shadow:var(--shadow-card);border-left:4px solid var(--c-primary);transition:transform .25s,box-shadow .25s}
    .cat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
    .cat-card h3{font-size:19px;margin-bottom:10px}
    .cat-card p{font-size:14px;color:var(--c-text-sub);line-height:1.65;margin-bottom:16px}
    .cat-card .feature-link{font-size:14px}

    .form-section{background:var(--c-bg-soft)}
    .form-card{max-width:780px;margin:0 auto;background:#fff;border-radius:16px;padding:44px;box-shadow:var(--shadow-card)}
    .form-card .section-title{font-size:24px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .form-group{margin-bottom:0}
    .form-group label{display:block;font-size:14px;font-weight:600;color:var(--c-text);margin-bottom:8px}
    .form-group label span{color:var(--c-accent)}
    .form-group input,.form-group textarea{width:100%;border:1px solid var(--c-border);border-radius:var(--r-btn);padding:12px 14px;font-size:14px;color:var(--c-text);background:#fff;transition:border-color .2s,box-shadow .2s}
    .form-group input::placeholder,.form-group textarea::placeholder{color:var(--c-text-hint)}
    .form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(46,126,178,.15)}
    .form-group.full{grid-column:1/-1}
    .form-group textarea{min-height:130px;resize:vertical}
    .form-submit{display:flex;justify-content:flex-end;gap:12px;margin-top:24px}
    .form-note{font-size:12px;color:var(--c-text-hint);margin-top:12px;text-align:center}

    .cta-bar{background:linear-gradient(180deg,rgba(46,126,178,.08),rgba(46,126,178,.02));border-radius:20px;padding:56px 48px;text-align:center;border:1px solid rgba(46,126,178,.15)}
    .cta-bar h2{font-size:28px;font-weight:800;margin-bottom:12px}
    .cta-bar p{color:var(--c-text-sub);max-width:560px;margin:0 auto 28px;font-size:15px}
    .cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

    .site-footer{background:var(--c-text);color:rgba(255,255,255,.72);padding:60px 0 0;margin-top:80px}
    .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:44px;padding-bottom:44px}
    .footer-brand .brand{color:#fff}
    .footer-brand .brand-logo{background:rgba(255,255,255,.12);color:#fff}
    .footer-brand p{font-size:14px;line-height:1.7;margin-top:16px;color:rgba(255,255,255,.6)}
    .footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
    .footer-col ul li{margin-bottom:10px}
    .footer-col a{color:rgba(255,255,255,.65);font-size:14px;transition:color .2s,padding-left .2s}
    .footer-col a:hover{color:#fff;padding-left:4px}
    .footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.65)}
    .footer-contact i{color:var(--c-accent);width:16px;text-align:center}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;justify-content:space-between;align-items:center;font-size:13px;flex-wrap:wrap;gap:10px;color:rgba(255,255,255,.5)}
    .footer-bottom a{color:rgba(255,255,255,.65)}
    .footer-bottom a:hover{color:#fff}

    @media (max-width:1023px){
      .header-inner{flex-wrap:wrap;gap:10px}
      .main-nav{order:3;width:100%;justify-content:flex-start;overflow-x:auto;padding-top:6px}
      .nav-item{white-space:nowrap}
      .hero-inner{flex-direction:column;gap:36px}
      .hero-copy{flex:none;width:100%}
      .hero-media{flex:none;width:100%}
      .page-hero h1{font-size:32px;line-height:40px}
      .feature-grid{grid-template-columns:1fr}
      .stats-grid{grid-template-columns:repeat(3,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-brand{grid-column:1/-1}
    }
    @media (max-width:767px){
      :root{--sp-section:56px}
      .header-inner{padding:10px 12px;flex-wrap:nowrap}
      .brand-text{font-size:18px}
      .main-nav{display:none;position:absolute;top:calc(100% - 8px);left:16px;right:16px;background:#fff;border:1px solid var(--c-border);border-radius:14px;padding:14px;flex-direction:column;align-items:stretch;box-shadow:var(--shadow-hover)}
      .main-nav.open{display:flex}
      .nav-item{justify-content:flex-start;width:100%}
      .nav-toggle{display:inline-flex}
      .nav-cta{margin-left:auto}
      .section{padding:var(--sp-section-sm) 0}
      .section-title{font-size:24px;line-height:32px}
      .page-hero{padding:40px 0}
      .page-hero h1{font-size:28px;line-height:36px}
      .feature-card{flex-direction:column;text-align:center}
      .feature-card img{width:100%;height:140px}
      .stats-grid{grid-template-columns:1fr;gap:16px}
      .cat-cards{grid-template-columns:1fr}
      .form-card{padding:28px 22px}
      .form-grid{grid-template-columns:1fr}
      .cta-bar{padding:40px 24px}
      .footer-grid{grid-template-columns:1fr;gap:32px}
      .footer-bottom{flex-direction:column;text-align:center}
    }
    @media (max-width:520px){
      .container{padding:0 18px}
      .grid-container{padding-left:18px;padding-right:18px}
      .btn{padding:10px 18px;font-size:14px}
      .form-submit{flex-direction:column}
      .form-submit .btn{width:100%}
    }

/* roulang page: category2 */
:root{
      --c-primary:#2E7EB2;
      --c-primary-deep:#246B99;
      --c-bg-soft:#EDF5FA;
      --c-bg:#FFFFFF;
      --c-text:#1E2C38;
      --c-text-sub:#5B6B7B;
      --c-text-hint:#8AA0B2;
      --c-accent:#E5A33D;
      --c-border:#DCE7F0;
      --r-card:14px;
      --r-btn:8px;
      --shadow-card:0 4px 16px rgba(42,75,105,.08);
      --shadow-hover:0 10px 28px rgba(42,75,105,.14);
      --sp-section:84px;
      --sp-section-sm:48px;
      --container:1200px;
      --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    }
    *,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
    html{scroll-behavior:smooth;}
    body{
      font-family:var(--font);
      font-size:16px;
      line-height:1.75;
      background:var(--c-bg);
      color:var(--c-text);
      -webkit-font-smoothing:antialiased;
    }
    img{max-width:100%;display:block;}
    a{color:var(--c-text);text-decoration:none;transition:color .25s ease;}
    a:hover{color:var(--c-primary);}
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
      outline:3px solid rgba(46,126,178,.35);
      outline-offset:2px;
      border-radius:4px;
    }
    ul{list-style:none;}
    .container{
      max-width:var(--container);
      margin:0 auto;
      padding:0 24px;
    }
    .section{padding:var(--sp-section) 0;}
    .section-sm{padding:var(--sp-section-sm) 0;}
    .section-head{
      text-align:center;
      margin-bottom:48px;
    }
    .section-head h2{
      font-size:28px;
      line-height:36px;
      color:var(--c-text);
      font-weight:700;
      margin-bottom:8px;
    }
    .section-head p{
      font-size:15px;
      color:var(--c-text-sub);
      max-width:560px;
      margin:0 auto;
    }
    .section-head .head-icon{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:48px;
      height:48px;
      border-radius:14px;
      background:var(--c-bg-soft);
      color:var(--c-primary);
      font-size:20px;
      margin-bottom:12px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:12px 28px;
      border-radius:var(--r-btn);
      font-size:15px;
      font-weight:600;
      line-height:1.4;
      border:1px solid transparent;
      cursor:pointer;
      transition:all .25s ease;
      text-decoration:none;
    }
    .btn-primary{
      background:var(--c-primary);
      color:#fff;
      border-color:var(--c-primary);
    }
    .btn-primary:hover{
      background:var(--c-primary-deep);
      border-color:var(--c-primary-deep);
      color:#fff;
      transform:translateY(-2px);
      box-shadow:var(--shadow-hover);
    }
    .btn-accent{
      background:var(--c-accent);
      color:#fff;
      border-color:var(--c-accent);
    }
    .btn-accent:hover{
      background:#D28F2A;
      border-color:#D28F2A;
      color:#fff;
      transform:translateY(-2px);
      box-shadow:var(--shadow-hover);
    }
    .btn-outline{
      background:#fff;
      color:var(--c-primary);
      border-color:#B8D4E8;
    }
    .btn-outline:hover{
      background:var(--c-bg-soft);
      border-color:var(--c-primary);
      color:var(--c-primary);
      transform:translateY(-2px);
      box-shadow:var(--shadow-card);
    }
    .btn-sm{
      padding:8px 18px;
      font-size:14px;
      border-radius:8px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:4px;
      padding:4px 12px;
      border-radius:999px;
      background:var(--c-bg-soft);
      color:var(--c-primary);
      font-size:12px;
      font-weight:600;
    }
    .badge.accent{
      background:#FDF3E3;
      color:#B77718;
    }
    .text-center{text-align:center;}
    .text-sub{color:var(--c-text-sub);}

    /* ===== Header ===== */
    .site-header{
      padding:8px 16px 0;
      position:relative;
      z-index:100;
    }
    .header-inner{
      max-width:var(--container);
      margin:0 auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      background:rgba(255,255,255,.92);
      border:1px solid var(--c-border);
      border-radius:16px;
      box-shadow:var(--shadow-card);
      padding:10px 16px 10px 20px;
      backdrop-filter:blur(6px);
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      flex-shrink:0;
    }
    .brand-logo{
      width:36px;
      height:36px;
      border-radius:10px;
      background:var(--c-primary);
      color:#fff;
      display:flex;
      align-items:center;
      justify-content:center;
      font-weight:800;
      font-size:18px;
      letter-spacing:-0.02em;
    }
    .brand-text{
      font-size:20px;
      font-weight:800;
      color:var(--c-text);
      letter-spacing:.02em;
      line-height:1.2;
    }
    .main-nav{
      display:flex;
      align-items:center;
      gap:6px;
      flex:1;
      justify-content:center;
    }
    .nav-item{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:9px 16px;
      border-radius:10px;
      background:#fff;
      color:var(--c-text-sub);
      font-size:14px;
      font-weight:500;
      border:1px solid var(--c-border);
      transition:all .25s ease;
      white-space:nowrap;
    }
    .nav-item i{font-size:15px;}
    .nav-item:hover{
      background:var(--c-bg-soft);
      color:var(--c-primary);
      border-color:#B8D4E8;
      transform:translateY(-1px);
    }
    .nav-item.active{
      background:var(--c-primary);
      color:#fff;
      border-color:var(--c-primary);
      box-shadow:0 4px 12px rgba(46,126,178,.25);
    }
    .nav-item.active:hover{
      background:var(--c-primary-deep);
      color:#fff;
    }
    .nav-cta{
      flex-shrink:0;
      margin-left:4px;
    }
    .nav-toggle{
      display:none;
      background:none;
      border:1px solid var(--c-border);
      font-size:20px;
      color:var(--c-text);
      cursor:pointer;
      padding:8px 12px;
      border-radius:10px;
      transition:all .25s ease;
    }
    .nav-toggle:hover{
      background:var(--c-bg-soft);
      color:var(--c-primary);
      border-color:var(--c-primary);
    }

    /* ===== Page Hero ===== */
    .page-hero{
      padding:56px 0 48px;
      background:linear-gradient(180deg,#EAF3F9 0%,#F7FBFD 100%);
      border-bottom:1px solid var(--c-border);
      position:relative;
      overflow:hidden;
    }
    .page-hero:before{
      content:"";
      position:absolute;
      inset:0;
      background-image:url('/assets/images/backpic/back-1.png');
      background-size:cover;
      background-position:center;
      opacity:.12;
    }
    .page-hero .container{
      position:relative;
      z-index:2;
    }
    .page-hero .crumbs{
      font-size:13px;
      color:var(--c-text-hint);
      margin-bottom:12px;
      display:flex;
      align-items:center;
      gap:6px;
    }
    .page-hero .crumbs a{color:var(--c-text-hint);}
    .page-hero .crumbs a:hover{color:var(--c-primary);}
    .page-hero h1{
      font-size:38px;
      line-height:44px;
      color:var(--c-text);
      font-weight:800;
      margin-bottom:12px;
    }
    .page-hero p{
      font-size:16px;
      color:var(--c-text-sub);
      max-width:640px;
      line-height:1.8;
    }

    /* ===== Info Grid ===== */
    .info-section{
      padding:var(--sp-section) 0;
      background:#fff;
    }
    .info-grid{
      max-width:1060px;
      margin:0 auto;
      display:flex;
      flex-direction:column;
      gap:36px;
    }
    .info-row{
      display:flex;
      align-items:center;
      gap:40px;
      background:#fff;
      border:1px solid var(--c-border);
      border-radius:var(--r-card);
      box-shadow:var(--shadow-card);
      padding:20px;
      transition:all .3s ease;
      position:relative;
      overflow:hidden;
    }
    .info-row:hover{
      box-shadow:var(--shadow-hover);
      transform:translateY(-3px);
      border-color:#B8D4E8;
    }
    .info-row.reverse{
      flex-direction:row-reverse;
    }
    .info-media{
      flex:0 0 46%;
      position:relative;
      border-radius:12px;
      overflow:hidden;
      aspect-ratio:16/10;
    }
    .info-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .45s ease;
    }
    .info-row:hover .info-media img{
      transform:scale(1.04);
    }
    .info-media .corner-tag{
      position:absolute;
      top:14px;
      left:14px;
      z-index:2;
      background:rgba(255,255,255,.92);
      border-radius:999px;
      padding:5px 14px;
      font-size:12px;
      font-weight:600;
      color:var(--c-primary);
      box-shadow:0 2px 10px rgba(0,0,0,.08);
      backdrop-filter:blur(4px);
    }
    .info-body{
      flex:1;
      min-width:0;
    }
    .info-meta{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:10px;
    }
    .info-meta .date{
      font-size:13px;
      color:var(--c-text-hint);
      font-variant-numeric:tabular-nums;
    }
    .info-body h3{
      font-size:22px;
      line-height:30px;
      font-weight:700;
      color:var(--c-text);
      margin-bottom:10px;
    }
    .info-body h3 a{
      color:var(--c-text);
    }
    .info-body h3 a:hover{
      color:var(--c-primary);
    }
    .info-body p{
      font-size:15px;
      color:var(--c-text-sub);
      line-height:1.75;
      margin-bottom:14px;
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .link-more{
      display:inline-flex;
      align-items:center;
      gap:6px;
      font-size:14px;
      font-weight:600;
      color:var(--c-primary);
      border-bottom:1px solid transparent;
      transition:all .25s ease;
    }
    .link-more i{transition:transform .25s ease;}
    .link-more:hover{
      color:var(--c-primary-deep);
      border-bottom-color:var(--c-primary-deep);
    }
    .link-more:hover i{
      transform:translateX(4px);
    }

    /* ===== FAQ ===== */
    .faq-section{
      padding:var(--sp-section-sm) 0;
      background:var(--c-bg-soft);
    }
    .faq-wrap{
      max-width:860px;
      margin:0 auto;
    }
    .faq-accordion{
      list-style:none;
      margin:0;
    }
    .faq-accordion .accordion-item{
      background:#fff;
      border:1px solid var(--c-border);
      border-radius:var(--r-card);
      box-shadow:var(--shadow-card);
      margin-bottom:10px;
      overflow:hidden;
      transition:box-shadow .3s ease,border-color .3s ease;
    }
    .faq-accordion .accordion-item:hover{
      border-color:#B8D4E8;
    }
    .faq-accordion .accordion-item.is-active{
      border-color:#B8D4E8;
      box-shadow:var(--shadow-hover);
    }
    .faq-accordion .accordion-title{
      background:#fff;
      border:none;
      color:var(--c-text);
      font-size:16px;
      font-weight:600;
      padding:20px 24px;
      display:flex;
      align-items:center;
      gap:12px;
      position:relative;
      cursor:pointer;
      transition:background .25s ease,color .25s ease;
      border-radius:var(--r-card);
    }
    .faq-accordion .accordion-title i{
      color:var(--c-primary);
      font-size:16px;
      flex-shrink:0;
    }
    .faq-accordion .accordion-title:hover,
    .faq-accordion .accordion-item.is-active .accordion-title{
      background:var(--c-bg-soft);
      color:var(--c-primary);
    }
    .faq-accordion .accordion-title::after{
      content:"\f107";
      font-family:"Font Awesome 6 Free";
      font-weight:900;
      position:absolute;
      right:22px;
      top:50%;
      transform:translateY(-50%);
      color:var(--c-text-hint);
      font-size:14px;
      transition:transform .3s ease;
    }
    .faq-accordion .accordion-item.is-active .accordion-title::after{
      transform:translateY(-50%) rotate(180deg);
      color:var(--c-primary);
    }
    .faq-accordion .accordion-content{
      background:#fff;
      border:none;
      padding:0 24px 22px 52px;
      color:var(--c-text-sub);
      line-height:1.8;
      font-size:15px;
    }
    .faq-accordion .accordion-content p{
      margin-bottom:0;
    }

    /* ===== Hot info ===== */
    .hot-section{
      padding:var(--sp-section) 0;
      background:#fff;
    }
    .hot-grid{
      display:flex;
      flex-direction:column;
      gap:28px;
      max-width:1060px;
      margin:0 auto;
    }
    .hot-row{
      display:flex;
      align-items:center;
      gap:34px;
      background:#F9FCFE;
      border:1px solid var(--c-border);
      border-radius:var(--r-card);
      transition:all .3s ease;
      overflow:hidden;
    }
    .hot-row:hover{
      background:#fff;
      border-color:#B8D4E8;
      box-shadow:var(--shadow-hover);
      transform:translateY(-2px);
    }
    .hot-row.reverse{
      flex-direction:row-reverse;
    }
    .hot-media{
      flex:0 0 38%;
      aspect-ratio:16/10;
      overflow:hidden;
      position:relative;
    }
    .hot-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .4s ease;
    }
    .hot-row:hover .hot-media img{
      transform:scale(1.05);
    }
    .hot-body{
      flex:1;
      padding:20px 24px 20px 0;
    }
    .hot-row.reverse .hot-body{
      padding:20px 0 20px 24px;
    }
    .hot-body h4{
      font-size:18px;
      line-height:26px;
      font-weight:700;
      color:var(--c-text);
      margin-bottom:8px;
    }
    .hot-body h4 a{color:var(--c-text);}
    .hot-body h4 a:hover{color:var(--c-primary);}
    .hot-body p{
      font-size:14px;
      color:var(--c-text-sub);
      line-height:1.7;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
      margin-bottom:10px;
    }
    .hot-meta{
      display:flex;
      align-items:center;
      gap:10px;
      font-size:13px;
      color:var(--c-text-hint);
    }

    /* ===== Form ===== */
    .form-section{
      padding:var(--sp-section) 0;
      background:var(--c-bg-soft);
    }
    .form-card{
      background:#fff;
      border:1px solid var(--c-border);
      border-radius:20px;
      box-shadow:var(--shadow-card);
      padding:44px;
    }
    .form-card h2{
      font-size:28px;
      line-height:36px;
      margin-bottom:8px;
      color:var(--c-text);
    }
    .form-card .form-desc{
      color:var(--c-text-sub);
      font-size:15px;
      margin-bottom:32px;
    }
    .form-group{
      margin-bottom:22px;
    }
    .form-group label{
      display:block;
      font-size:14px;
      font-weight:600;
      color:var(--c-text);
      margin-bottom:6px;
    }
    .form-group label .req{color:#C0392B;margin-left:2px;}
    .form-group input,
    .form-group textarea{
      width:100%;
      padding:13px 16px;
      border:1px solid var(--c-border);
      border-radius:10px;
      font-size:14px;
      font-family:var(--font);
      background:#fff;
      color:var(--c-text);
      transition:border-color .25s ease,box-shadow .25s ease;
    }
    .form-group input::placeholder,
    .form-group textarea::placeholder{
      color:var(--c-text-hint);
    }
    .form-group input:focus,
    .form-group textarea:focus{
      outline:none;
      border-color:var(--c-primary);
      box-shadow:0 0 0 4px rgba(46,126,178,.12);
    }
    .form-group textarea{
      min-height:120px;
      resize:vertical;
    }
    .form-submit{
      background:var(--c-primary);
      color:#fff;
      border:none;
      border-radius:10px;
      padding:13px 38px;
      font-size:15px;
      font-weight:600;
      cursor:pointer;
      display:inline-flex;
      align-items:center;
      gap:8px;
      transition:all .25s ease;
    }
    .form-submit:hover{
      background:var(--c-primary-deep);
      transform:translateY(-2px);
      box-shadow:var(--shadow-hover);
    }
    .form-submit:active{
      transform:translateY(0);
    }
    .form-side{
      padding:20px 0;
    }
    .form-side .form-note{
      background:#F4F9FC;
      border:1px solid var(--c-border);
      border-radius:14px;
      padding:24px;
      margin-bottom:20px;
    }
    .form-side .form-note h4{
      font-size:16px;
      margin-bottom:8px;
      color:var(--c-text);
      display:flex;
      align-items:center;
      gap:8px;
    }
    .form-side .form-note h4 i{color:var(--c-primary);}
    .form-side .form-note p{
      font-size:14px;
      color:var(--c-text-sub);
      line-height:1.7;
      margin-bottom:0;
    }
    .form-side ul.form-links{
      list-style:none;
    }
    .form-side ul.form-links li{
      padding:8px 0;
      border-bottom:1px dashed var(--c-border);
      font-size:14px;
    }
    .form-side ul.form-links li:last-child{border-bottom:none;}
    .form-side ul.form-links li a{
      display:flex;
      align-items:center;
      gap:8px;
      color:var(--c-text-sub);
    }
    .form-side ul.form-links li a i{color:var(--c-primary);font-size:13px;}
    .form-side ul.form-links li a:hover{color:var(--c-primary);}

    /* ===== CTA ===== */
    .cta-section{
      padding:var(--sp-section) 0;
      background:#fff;
    }
    .cta-box{
      background:linear-gradient(135deg,#EAF3F9 0%,#F6FAFD 60%,#EDF5FA 100%);
      border:1px solid var(--c-border);
      border-radius:24px;
      padding:56px 48px;
      text-align:center;
      position:relative;
      overflow:hidden;
    }
    .cta-box:before{
      content:"";
      position:absolute;
      top:-40px;
      right:-40px;
      width:160px;
      height:160px;
      background:radial-gradient(circle,rgba(46,126,178,.1) 0%,transparent 70%);
      border-radius:50%;
    }
    .cta-box h2{
      font-size:30px;
      line-height:38px;
      color:var(--c-text);
      margin-bottom:12px;
      font-weight:800;
    }
    .cta-box p{
      font-size:16px;
      color:var(--c-text-sub);
      margin-bottom:28px;
    }
    .cta-btns{
      display:flex;
      gap:14px;
      justify-content:center;
      flex-wrap:wrap;
    }

    /* ===== Footer ===== */
    .site-footer{
      background:#1E2C38;
      color:#B8C4CE;
      padding:64px 0 0;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr 1fr 1fr;
      gap:48px;
      padding-bottom:40px;
    }
    .footer-brand .brand{
      margin-bottom:14px;
    }
    .footer-brand .brand-logo{
      background:#fff;
      color:var(--c-primary);
    }
    .footer-brand .brand-text{
      color:#fff;
    }
    .footer-brand p{
      font-size:14px;
      line-height:1.7;
      max-width:320px;
      margin-top:4px;
    }
    .footer-col h4{
      font-size:15px;
      font-weight:600;
      color:#fff;
      margin-bottom:16px;
    }
    .footer-col ul li{
      padding:5px 0;
    }
    .footer-col ul li a{
      color:#B8C4CE;
      font-size:14px;
      transition:color .25s ease;
    }
    .footer-col ul li a:hover{
      color:#fff;
    }
    .footer-col .footer-contact li{
      display:flex;
      align-items:center;
      gap:10px;
      font-size:14px;
      color:#B8C4CE;
      padding:5px 0;
    }
    .footer-col .footer-contact li i{
      color:var(--c-primary);
      width:16px;
      text-align:center;
    }
    .footer-bottom{
      border-top:1px solid rgba(255,255,255,.08);
      padding:20px 0;
      display:flex;
      justify-content:space-between;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
    }
    .footer-bottom p{
      font-size:13px;
      color:#8AA0B2;
      margin:0;
    }
    .footer-bottom .beian a{
      color:#8AA0B2;
    }
    .footer-bottom .beian a:hover{
      color:#fff;
    }

    /* ===== Responsive ===== */
    @media(max-width:1023px){
      .header-inner{
        flex-wrap:wrap;
        padding:12px 16px;
        gap:10px;
      }
      .brand{order:1;}
      .nav-cta{order:2;margin-left:auto;}
      .nav-toggle{order:3;display:inline-flex;align-items:center;justify-content:center;}
      .main-nav{
        order:4;
        flex-basis:100%;
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:8px;
        padding-top:10px;
        border-top:1px solid var(--c-border);
      }
      .main-nav.open{
        display:flex;
      }
      .nav-item{
        justify-content:flex-start;
        padding:12px 16px;
      }
      .footer-grid{
        grid-template-columns:1fr;
        gap:32px;
      }
    }
    @media(max-width:639px){
      :root{
        --sp-section:56px;
        --sp-section-sm:36px;
      }
      .section-head h2{
        font-size:24px;
        line-height:32px;
      }
      .page-hero h1{
        font-size:30px;
        line-height:38px;
      }
      .page-hero{
        padding:40px 0 32px;
      }
      .info-row,
      .info-row.reverse{
        flex-direction:column;
        gap:16px;
        padding:14px;
      }
      .info-media{
        flex:0 0 100%;
        width:100%;
      }
      .info-body h3{
        font-size:19px;
        line-height:27px;
      }
      .hot-row,
      .hot-row.reverse{
        flex-direction:column;
      }
      .hot-media{
        flex:0 0 100%;
        width:100%;
      }
      .hot-body,
      .hot-row.reverse .hot-body{
        padding:0 18px 20px;
      }
      .form-card{
        padding:28px 20px;
      }
      .form-card h2{
        font-size:24px;
      }
      .cta-box{
        padding:36px 24px;
      }
      .cta-box h2{
        font-size:24px;
        line-height:32px;
      }
      .cta-btns{
        flex-direction:column;
        align-items:stretch;
      }
      .cta-btns .btn{
        justify-content:center;
      }
      .footer-bottom{
        flex-direction:column;
        text-align:center;
      }
      .faq-accordion .accordion-content{
        padding:0 18px 18px 44px;
      }
      .faq-accordion .accordion-title{
        padding:16px 44px 16px 16px;
        font-size:15px;
      }
    }
    @media(max-width:520px){
      .container{
        padding:0 16px;
      }
      .header-inner{
        padding:10px 12px;
      }
      .brand-text{
        font-size:18px;
      }
      .nav-cta .cta-text{
        display:none;
      }
      .nav-cta{
        padding:8px 14px;
        font-size:13px;
      }
      .form-card{
        padding:24px 16px;
      }
    }