/* roulang page: index */
:root{
  --c-primary:#0B6E99;
  --c-primary-d:#084C6B;
  --c-primary-l:#E6F2F7;
  --c-accent:#17A08A;
  --c-accent-l:#E7F5F2;
  --c-warm:#E9A23B;
  --c-bg:#F7F9FC;
  --c-surface:#FFFFFF;
  --c-line:#E4EAF1;
  --t-1:#16232F;
  --t-2:#4C5D6D;
  --t-3:#8B99A7;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh-card:0 1px 2px rgba(16,40,64,.04), 0 14px 30px -14px rgba(16,40,64,.16);
  --sh-card-h:0 2px 6px rgba(16,40,64,.06), 0 20px 36px -16px rgba(16,40,64,.24);
  --sh-head:0 6px 18px -12px rgba(16,40,64,.18);
  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--t-2);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--c-primary);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--c-primary-d);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--t-1);}
h1,h2,h3,h4{margin:0;color:var(--t-1);font-weight:700;letter-spacing:.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-primary);color:#fff;padding:10px 16px;border-radius:0 0 10px 0;z-index:200;}
.skip-link:focus{left:0;color:#fff;}

/* 容器 */
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px;}}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--c-line);
  backdrop-filter:saturate(140%) blur(6px);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-head);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(140deg,var(--c-primary) 0%,#128BB8 100%);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 16px -10px rgba(11,110,153,.85);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{font-size:19px;font-weight:700;color:var(--c-primary);letter-spacing:.5px;}
.brand-sub{display:block;font-size:11px;font-weight:400;color:var(--t-3);letter-spacing:.6px;line-height:1.2;}
.main-nav{display:none;align-items:center;gap:4px;}
.nav-link{
  position:relative;display:inline-block;
  padding:9px 12px;font-size:15px;font-weight:500;color:var(--t-1);
  border-radius:8px;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left center;
  transition:transform .24s ease;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--c-primary);}
.nav-link.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;}
.menu-toggle{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);border-radius:10px;background:#fff;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--t-1);position:relative;transition:background .2s ease;}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--t-1);transition:transform .22s ease;
}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}
@media (min-width:1024px){
  .main-nav{display:flex;}
  .menu-toggle{display:none;}
}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;background:#fff;z-index:120;
  transform:translateX(100%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:0;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--c-line);}
.drawer-close{width:44px;height:44px;border:1px solid var(--c-line);border-radius:10px;font-size:22px;line-height:1;color:var(--t-1);}
.drawer-nav{padding:12px 20px;flex:1;overflow-y:auto;}
.drawer-nav a{display:block;padding:14px 4px;font-size:17px;font-weight:500;color:var(--t-1);border-bottom:1px solid var(--c-line);}
.drawer-nav a.active{color:var(--c-primary);}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--c-line);}
.drawer-foot .privacy{font-size:12px;color:var(--t-3);margin-top:10px;line-height:1.6;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:13px 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.2px;
  transition:background .22s ease,color .22s ease,box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 10px 22px -14px rgba(11,110,153,.95);}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:0 16px 26px -14px rgba(11,110,153,.95);}
.btn-primary:active{transform:translateY(0);}
.btn-primary[disabled],.btn-primary.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-ghost{background:#fff;color:var(--c-primary);border:1.5px solid var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-l);color:var(--c-primary-d);}
.btn-block{width:100%;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--c-primary);}
.text-link .arrow{transition:transform .22s ease;}
.text-link:hover .arrow{transform:translateX(3px);}

/* 通用板块 */
.section{padding:64px 0;}
@media (min-width:1024px){.section{padding:96px 0;}}
.section-tight{padding:56px 0;}
.section-alt{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;color:var(--c-accent);
  background:var(--c-accent-l);border-radius:999px;padding:4px 12px;letter-spacing:.5px;
}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;margin-top:14px;}
.section-head p{margin-top:12px;font-size:15.5px;color:var(--t-2);}
.section-head.between{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.bar-title{position:relative;padding-left:14px;}
.bar-title::before{
  content:"";position:absolute;left:0;top:.28em;width:3px;height:.72em;border-radius:2px;background:var(--c-primary);
}

/* Hero */
.hero{padding:52px 0 0;position:relative;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(11,110,153,.10) 1px,transparent 1px);
  background-size:22px 22px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 72%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 72%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:48px;}
.hero-copy h1{font-size:clamp(28px,4vw,44px);line-height:1.28;margin-top:16px;}
.hero-sub{margin-top:16px;font-size:16.5px;color:var(--t-2);max-width:560px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.trust-row{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:26px;font-size:13.5px;color:var(--t-3);}
.trust-row li{position:relative;padding-left:14px;}
.trust-row li::before{
  content:"";position:absolute;left:0;top:.68em;width:6px;height:6px;border-radius:2px;background:var(--c-accent);
}
.hero-media{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--c-line);background:#DDE7EF;box-shadow:var(--sh-card);}
.hero-media img{width:100%;height:340px;object-fit:cover;border-radius:0;}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(11,110,153,.16),rgba(255,255,255,.10));}
.hero-metrics{
  position:absolute;left:16px;bottom:16px;right:16px;z-index:2;
  display:flex;gap:10px;flex-wrap:wrap;
  background:rgba(255,255,255,.94);border:1px solid rgba(255,255,255,.9);
  border-radius:12px;padding:12px 16px;
}
.hero-metrics .m{flex:1 1 140px;}
.hero-metrics .m b{display:block;font-size:20px;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.3;}
.hero-metrics .m span{font-size:12.5px;color:var(--t-3);}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:1.05fr .95fr;align-items:center;gap:44px;padding-bottom:64px;}
  .hero-media img{height:460px;}
}

/* 痛点列表 */
.pain-list{border-top:1px solid var(--c-line);}
.pain-item{
  display:grid;grid-template-columns:44px 1fr;gap:16px;align-items:flex-start;
  padding:22px 0;border-bottom:1px solid var(--c-line);
}
.pain-num{
  font-size:15px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;
  border-left:3px solid var(--c-primary);padding-left:10px;line-height:1.5;
}
.pain-q{font-size:17.5px;font-weight:600;color:var(--t-1);line-height:1.6;}
.pain-a{margin-top:6px;font-size:14.5px;color:var(--t-2);}
@media (min-width:768px){
  .pain-item{grid-template-columns:64px 1fr 300px;align-items:center;}
  .pain-a{margin-top:0;text-align:right;}
}

/* 方案卡片 */
.solution-grid{display:grid;grid-template-columns:1fr;gap:24px;}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-card);transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;
}
.card:hover{box-shadow:var(--sh-card-h);transform:translateY(-2px);border-color:#D5E1EB;}
.card h3{font-size:19px;line-height:1.5;margin-top:16px;}
.card p{margin-top:10px;font-size:14.5px;color:var(--t-2);}
.card-icon{
  width:44px;height:44px;border-radius:12px;background:var(--c-primary-l);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary);flex-shrink:0;
}
.card-icon svg{width:24px;height:24px;stroke-width:1.5;}
.card-icon.accent{background:var(--c-accent-l);color:var(--c-accent);}
.card-tag{
  display:inline-block;font-size:12.5px;font-weight:600;color:var(--c-accent);
  background:var(--c-accent-l);border-radius:999px;padding:3px 10px;
}
.card-list{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.card-list li{position:relative;padding-left:24px;font-size:14px;color:var(--t-2);}
.card-list li svg{position:absolute;left:0;top:4px;width:15px;height:15px;color:var(--c-accent);}
.card .text-link{margin-top:18px;}
.card-cover{width:100%;height:170px;object-fit:cover;border-radius:var(--r-img);}
.solution-lg{grid-column:span 1;}
.solution-lg .card-cover{height:210px;}
@media (min-width:1024px){
  .solution-grid{grid-template-columns:repeat(12,1fr);grid-auto-rows:min-content;}
  .solution-lg{grid-column:span 7;grid-row:span 2;}
  .solution-sm{grid-column:span 5;}
  .solution-third{grid-column:span 4;}
  .card{padding:28px;}
}

/* 数据条 */
.stats{
  display:grid;grid-template-columns:repeat(2,1fr);gap:0;
  border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
}
.stat{padding:26px 18px;border-bottom:1px solid var(--c-line);}
.stat:nth-child(odd){border-right:1px solid var(--c-line);}
.stat:nth-last-child(-n+2){border-bottom:0;}
.stat-num{
  font-size:clamp(30px,4vw,40px);font-weight:700;color:var(--c-primary);
  font-variant-numeric:tabular-nums;line-height:1.15;letter-spacing:-.5px;
}
.stat-num em{font-size:15px;font-style:normal;font-weight:600;color:var(--t-2);margin-left:4px;}
.stat-label{margin-top:8px;font-size:13.5px;color:var(--t-3);}
@media (min-width:1024px){
  .stats{grid-template-columns:repeat(4,1fr);}
  .stat{border-bottom:0;border-right:1px solid var(--c-line);}
  .stat:last-child{border-right:0;}
  .stat:nth-child(odd){border-right:1px solid var(--c-line);}
}

/* CTA 横条 */
.cta-band{
  background:var(--c-primary-l);border:1px solid #CDE4EE;border-radius:16px;
  padding:26px 24px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
}
.cta-band h3{font-size:19px;}
.cta-band p{font-size:14px;color:var(--t-2);margin-top:6px;}
.band-note{font-size:12.5px;color:var(--t-3);margin-top:8px;}

/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:1fr;gap:24px;}
.news-main{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-card);transition:box-shadow .22s ease,transform .22s ease;display:block;
}
.news-main:hover{box-shadow:var(--sh-card-h);transform:translateY(-2px);}
.news-main img{width:100%;height:220px;object-fit:cover;border-radius:0;}
.news-main-body{padding:22px 24px 26px;}
.news-main h3{font-size:20px;line-height:1.5;margin-top:12px;}
.news-main p{margin-top:10px;font-size:14.5px;color:var(--t-2);}
.news-side{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--c-line);}
.news-item{
  display:block;padding:18px 0 18px 16px;border-bottom:1px solid var(--c-line);
  border-left:3px solid transparent;transition:border-color .2s ease,background .2s ease;
}
.news-item:hover{border-left-color:var(--c-primary);background:#fff;}
.news-item h3{font-size:16.5px;line-height:1.55;color:var(--t-1);}
.news-item:hover h3{color:var(--c-primary);}
.news-item p{margin-top:6px;font-size:13.5px;color:var(--t-2);}
.news-meta{display:flex;align-items:center;gap:12px;margin-top:10px;font-size:12.5px;color:var(--t-3);}
.badge{
  display:inline-block;font-size:12px;font-weight:600;color:var(--c-accent);
  background:var(--c-accent-l);border-radius:999px;padding:3px 10px;
}
.empty-state{
  border:1px dashed #CFDDE8;border-radius:var(--r-card);background:#fff;
  padding:44px 24px;text-align:center;
}
.empty-state svg{width:40px;height:40px;color:var(--t-3);margin:0 auto 12px;}
.empty-state p{font-size:15px;color:var(--t-2);}
.empty-state .btn{margin-top:18px;}
@media (min-width:1024px){
  .news-grid{grid-template-columns:5fr 7fr;gap:32px;align-items:start;}
  .news-main img{height:300px;}
  .news-side{border-top:0;}
}

/* 交付保障 */
.assure-grid{display:grid;grid-template-columns:1fr;gap:0;border-top:1px solid var(--c-line);}
.assure-item{padding:20px 0;border-bottom:1px solid var(--c-line);display:flex;gap:14px;align-items:flex-start;}
.assure-item svg{width:20px;height:20px;color:var(--c-accent);flex-shrink:0;margin-top:4px;}
.assure-item h3{font-size:16px;}
.assure-item p{font-size:14px;margin-top:4px;}
@media (min-width:768px){
  .assure-grid{grid-template-columns:repeat(2,1fr);column-gap:32px;}
}

/* FAQ */
.faq{border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px;text-align:left;font-size:17px;font-weight:600;color:var(--t-1);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--c-primary);}
.faq-icon{
  width:26px;height:26px;flex-shrink:0;border-radius:50%;border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;font-size:16px;line-height:1;color:var(--c-primary);
  transition:transform .25s ease,background .25s ease;
}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--c-primary-l);}
.faq-a{display:none;padding:0 4px 22px;font-size:15px;line-height:1.85;color:var(--t-2);}
.faq-item.open .faq-a{display:block;}

/* 底部 CTA 带 */
.bottom-cta{background:var(--c-primary-l);border-top:1px solid #CDE4EE;border-bottom:1px solid #CDE4EE;}
.bottom-cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;padding:44px 0;}
.bottom-cta h2{font-size:clamp(21px,2.4vw,27px);line-height:1.4;}
.bottom-cta p{margin-top:10px;font-size:14.5px;color:var(--t-2);max-width:640px;}

/* 页脚 */
.site-footer{background:#0C2233;color:#B9C8D5;padding:56px 0 26px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
.site-footer .brand-text{color:#fff;}
.site-footer .brand-sub{color:#8FA3B4;}
.footer-desc{margin-top:16px;font-size:13.5px;line-height:1.9;color:#9FB1C0;max-width:380px;}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px;}
.footer-list li{margin-bottom:10px;}
.footer-list a{color:#B9C8D5;font-size:13.5px;}
.footer-list a:hover{color:#fff;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12.5px;color:#8FA3B4;
}
@media (min-width:1024px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;}
}

/* 表单与弹层 */
.modal{position:fixed;inset:0;z-index:150;display:none;}
.modal.open{display:block;}
.modal-mask{position:absolute;inset:0;background:rgba(11,40,60,.55);}
.modal-panel{
  position:relative;z-index:2;max-width:560px;margin:6vh auto 0;background:#fff;
  border-radius:16px;padding:28px 24px 26px;box-shadow:0 30px 60px -30px rgba(6,30,48,.6);
  max-height:88vh;overflow-y:auto;
}
.modal-close{
  position:absolute;right:10px;top:10px;width:44px;height:44px;border-radius:10px;
  font-size:22px;line-height:1;color:var(--t-2);display:flex;align-items:center;justify-content:center;
}
.modal-close:hover{background:var(--c-bg);color:var(--t-1);}
.modal-panel h2{font-size:20px;line-height:1.5;padding-right:44px;}
.modal-panel .modal-sub{margin-top:8px;font-size:13.5px;color:var(--t-3);}
.field{margin-top:16px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--t-1);margin-bottom:6px;}
.field .req{color:#C2410C;}
.field input[type="text"],.field input[type="tel"],.field textarea{
  width:100%;min-height:44px;padding:11px 14px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:#fff;transition:border-color .2s ease,box-shadow .2s ease;line-height:1.6;
}
.field textarea{min-height:100px;resize:vertical;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(23,160,138,.22);
}
.field .error{display:none;margin-top:6px;font-size:13px;color:#C2410C;}
.field.has-error input,.field.has-error textarea{border-color:#C2410C;}
.field.has-error .error{display:block;}
.check-row{display:flex;align-items:flex-start;gap:10px;margin-top:18px;font-size:13.5px;color:var(--t-2);}
.check-row input{width:18px;height:18px;margin-top:4px;accent-color:var(--c-primary);}
.privacy-note{
  display:flex;gap:8px;align-items:flex-start;margin-top:14px;font-size:13px;color:var(--t-3);line-height:1.7;
}
.privacy-note svg{width:15px;height:15px;flex-shrink:0;margin-top:4px;color:var(--t-3);}
.form-success{text-align:center;padding:26px 4px 6px;display:none;}
.form-success.show{display:block;}
.form-success svg{width:46px;height:46px;color:var(--c-accent);margin:0 auto 14px;}
.form-success h3{font-size:18px;}
.form-success p{margin-top:8px;font-size:14px;color:var(--t-2);}
@media (max-width:600px){
  .modal-panel{margin:0;border-radius:0;max-height:100vh;height:100%;padding-top:36px;}
  .hero-media img{height:260px;}
}

/* roulang page: article */
:root{
  --c-primary:#0B6E99;
  --c-primary-d:#084C6B;
  --c-primary-l:#E6F2F7;
  --c-accent:#17A08A;
  --c-warm:#E9A23B;
  --c-bg:#F7F9FC;
  --c-surface:#FFFFFF;
  --c-line:#E4EAF1;
  --c-dark:#0C2233;
  --t-1:#16232F;
  --t-2:#4C5D6D;
  --t-3:#8B99A7;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(16,40,64,.04),0 14px 30px -14px rgba(16,40,64,.16);
  --sh-hover:0 2px 4px rgba(16,40,64,.06),0 22px 40px -18px rgba(16,40,64,.24);
  --sh-nav:0 6px 18px -12px rgba(16,40,64,.18);
  --tr:.22s ease;
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none !important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",sans-serif;
  font-size:16px;line-height:1.85;color:var(--t-2);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color var(--tr),border-color var(--tr),background var(--tr),box-shadow var(--tr),transform var(--tr)}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
.skip-link{position:absolute;left:-9999px;top:0;background:#fff;color:var(--c-primary);padding:10px 16px;border-radius:var(--r-btn);box-shadow:var(--sh-card);z-index:200}
.skip-link:focus{left:16px;top:12px}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow var(--tr)}
.site-header.is-scrolled{box-shadow:var(--sh-nav)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:56px}
@media (min-width:1024px){.header-inner{height:68px}}
.brand{display:flex;align-items:center;gap:10px;min-height:44px}
.brand-mark{width:34px;height:34px;flex:none;border-radius:9px;background:var(--c-primary);display:grid;place-items:center}
.brand-mark svg{width:20px;height:20px}
.brand-text{display:block;font-size:17px;font-weight:700;line-height:1.2;color:var(--t-1);letter-spacing:.2px}
.brand-sub{display:block;font-size:11px;line-height:1.3;color:var(--t-3)}
.main-nav{display:none}
@media (min-width:1024px){.main-nav{display:flex;align-items:center;gap:2px}}
.nav-link{position:relative;padding:10px 12px;font-size:15.5px;font-weight:500;color:var(--t-1);border-radius:8px;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform var(--tr)}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--c-primary);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:10px}
.menu-toggle{width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;color:var(--t-1)}
.menu-toggle:hover{border-color:var(--c-primary);color:var(--c-primary)}
.menu-toggle svg{width:20px;height:20px}
@media (min-width:1024px){.menu-toggle{display:none}}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:12px 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1.2;text-align:center;transition:all var(--tr)}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 10px 22px -14px rgba(11,110,153,.9)}
.btn-primary:hover{background:var(--c-primary-d);transform:translateY(-1px);box-shadow:0 16px 28px -16px rgba(11,110,153,.95)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-primary[disabled],.btn-primary.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.btn-ghost{background:#fff;color:var(--c-primary);border:1.5px solid var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-l)}
.btn-sm{min-height:38px;padding:8px 16px;font-size:14px}
.btn-block{width:100%}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--c-primary)}
.text-link svg{width:15px;height:15px;transition:transform var(--tr)}
.text-link:hover{text-decoration:underline;text-underline-offset:3px}
.text-link:hover svg{transform:translateX(3px)}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:120;background:#fff;display:flex;flex-direction:column}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;border-bottom:1px solid var(--c-line)}
.drawer-close{width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--c-line);border-radius:var(--r-btn);color:var(--t-1)}
.drawer-close svg{width:20px;height:20px}
.drawer-nav{padding:14px 20px;display:flex;flex-direction:column;overflow-y:auto}
.drawer-link{padding:14px 2px;font-size:17px;font-weight:500;color:var(--t-1);border-bottom:1px solid var(--c-line)}
.drawer-link:hover{color:var(--c-primary)}
.drawer-foot{margin-top:auto;padding:18px 20px 26px;border-top:1px solid var(--c-line);background:var(--c-bg)}
.drawer-note{margin-top:12px;font-size:12.5px;line-height:1.6;color:var(--t-3)}

/* ---------- 顶部信息带 ---------- */
.page-band{position:relative;background:#fff;border-bottom:1px solid var(--c-line);overflow:hidden}
.page-band::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center right/cover no-repeat;opacity:.14;pointer-events:none}
.page-band::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.72) 62%,rgba(255,255,255,.5) 100%);pointer-events:none}
.page-band .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:14px 0;font-size:13.5px;color:var(--t-3)}
.crumb a{color:var(--t-3)}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{color:#C7D2DC}
.crumb-cur{max-width:52vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--t-2)}
@media (min-width:768px){.crumb-cur{max-width:520px}}

/* ---------- 文章布局 ---------- */
.article-layout{display:grid;grid-template-columns:1fr;gap:28px;padding-top:28px;padding-bottom:48px}
@media (min-width:1024px){.article-layout{grid-template-columns:minmax(0,1fr) 306px;gap:40px;padding-top:44px;padding-bottom:76px}}
.article-main{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-card);padding:24px 20px;min-width:0}
@media (min-width:768px){.article-main{padding:40px 44px}}

.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);background:#E7F5F2;color:#0F7A69;font-size:12.5px;font-weight:600;line-height:1.5}
.badge-outline{background:#fff;border:1px solid var(--c-line);color:var(--t-3);font-weight:500}
.article-head{border-bottom:1px solid var(--c-line);padding-bottom:20px;margin-bottom:26px}
.article-title{margin-top:14px;font-size:clamp(24px,4.2vw,34px);line-height:1.32;font-weight:700;color:var(--t-1);letter-spacing:-.2px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:14px;font-size:13.5px;color:var(--t-3)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#D2DBE3}

/* ---------- 正文 ---------- */
.article-body{font-size:17px;line-height:1.9;color:var(--t-2);max-width:74ch}
.article-body>p{margin:0 0 1.35em}
.article-body h2{position:relative;margin:40px 0 14px;padding-left:14px;font-size:22px;line-height:1.5;font-weight:700;color:var(--t-1);scroll-margin-top:90px}
.article-body h2::before{content:"";position:absolute;left:0;top:.35em;width:3px;height:1.1em;border-radius:2px;background:var(--c-primary)}
.article-body h3{margin:28px 0 10px;font-size:19px;line-height:1.5;font-weight:600;color:var(--t-1);scroll-margin-top:90px}
.article-body h4{margin:22px 0 8px;font-size:16.5px;font-weight:600;color:var(--t-1)}
.article-body ul{list-style:disc;padding-left:1.4em;margin:0 0 1.3em}
.article-body ol{list-style:decimal;padding-left:1.4em;margin:0 0 1.3em}
.article-body li{margin:.4em 0}
.article-body li::marker{color:var(--c-primary)}
.article-body blockquote{margin:22px 0;padding:16px 20px;background:var(--c-bg);border-left:3px solid var(--c-primary);border-radius:0 var(--r-img) var(--r-img) 0;color:var(--t-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--c-primary-d)}
.article-body img{border-radius:var(--r-img);margin:24px auto;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{margin-top:10px;font-size:13px;text-align:center;color:var(--t-3)}
.article-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:22px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 14px;text-align:left;white-space:nowrap}
.article-body th{background:var(--c-bg);color:var(--t-1);font-weight:600}
.article-body code{background:var(--c-bg);border:1px solid var(--c-line);border-radius:6px;padding:1px 6px;font-size:14.5px}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:32px 0}

.article-empty{padding:48px 0;text-align:center}
.article-empty .empty-icon{width:56px;height:56px;margin:0 auto 16px;border-radius:50%;background:var(--c-primary-l);display:grid;place-items:center;color:var(--c-primary)}
.article-empty h2{font-size:21px;font-weight:700;color:var(--t-1);padding:0;margin:0 0 10px}
.article-empty h2::before{display:none}
.article-empty p{margin-bottom:22px;color:var(--t-2)}

/* ---------- 文末 ---------- */
.article-foot{margin-top:44px;padding-top:26px;border-top:1px solid var(--c-line)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:28px}
.tag-row .label{font-size:13.5px;color:var(--t-3);margin-right:2px}
.tag-pill{display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--r-pill);background:var(--c-bg);border:1px solid var(--c-line);font-size:12.5px;color:var(--t-2)}
.tag-pill:hover{background:var(--c-primary-l);border-color:#BDDCE8;color:var(--c-primary-d)}
.block-title{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--t-1);margin-bottom:18px}
.block-title::before{content:"";width:3px;height:18px;border-radius:2px;background:var(--c-primary)}
.related-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.related-card{display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;transition:all var(--tr)}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.related-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--c-bg)}
.related-thumb img{width:100%;height:100%;object-fit:cover}
.related-body{padding:14px 16px 18px}
.related-body h3{font-size:15.5px;line-height:1.55;font-weight:600;color:var(--t-1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card:hover h3{color:var(--c-primary)}
.related-meta{margin-top:10px;font-size:12.5px;color:var(--t-3);display:flex;align-items:center;gap:8px}
.pager{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.pager a{display:inline-flex;align-items:center;gap:6px;padding:11px 18px;border:1.5px solid var(--c-line);border-radius:var(--r-btn);font-size:14.5px;font-weight:600;color:var(--t-1);background:#fff}
.pager a:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-l)}
.pager a svg{width:15px;height:15px}

/* ---------- 侧栏 ---------- */
.article-side{display:flex;flex-direction:column;gap:20px;min-width:0}
@media (min-width:1024px){.article-side{position:sticky;top:92px;align-self:start}}
.side-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-card);padding:20px}
.side-title{font-size:15px;font-weight:700;color:var(--t-1);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-title svg{width:16px;height:16px;color:var(--c-primary)}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:340px;overflow-y:auto}
.toc-link{display:block;padding:7px 10px;border-left:2px solid var(--c-line);font-size:14px;line-height:1.55;color:var(--t-2)}
.toc-link:hover{color:var(--c-primary);border-left-color:#BDDCE8;background:var(--c-bg)}
.toc-link.is-current{color:var(--c-primary);font-weight:600;border-left-color:var(--c-primary);background:var(--c-primary-l)}
.toc-empty{font-size:13.5px;color:var(--t-3)}
.side-tags{display:flex;flex-wrap:wrap;gap:8px}
.side-cta{background:var(--c-primary-l);border:1px solid #CFE6EF;border-radius:var(--r-card);padding:22px 20px}
.side-cta h3{font-size:16.5px;font-weight:700;color:var(--t-1);margin-bottom:8px}
.side-cta p{font-size:13.5px;line-height:1.75;color:var(--t-2);margin-bottom:16px}
.side-note{margin-top:12px;font-size:12px;line-height:1.6;color:var(--t-3);display:flex;gap:6px;align-items:flex-start}
.side-note svg{width:13px;height:13px;flex:none;margin-top:3px;color:var(--c-accent)}

/* ---------- 底部 CTA ---------- */
.cta-band{margin-top:64px;background:var(--c-primary-l);border-top:1px solid #D6E8F0;border-bottom:1px solid #D6E8F0}
.cta-inner{display:flex;flex-direction:column;gap:20px;padding:44px 0;text-align:center}
@media (min-width:768px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;text-align:left;padding:52px 0}}
.cta-inner h2{font-size:clamp(21px,2.6vw,28px);line-height:1.4;font-weight:700;color:var(--t-1)}
.cta-inner p{margin-top:8px;font-size:14.5px;color:var(--t-2)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
@media (min-width:768px){.cta-actions{justify-content:flex-end}}

/* ---------- 表单弹层 ---------- */
.modal{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;padding:18px}
.modal-mask{position:absolute;inset:0;background:rgba(11,40,60,.55)}
.modal-panel{position:relative;width:100%;max-width:560px;max-height:92vh;overflow-y:auto;background:#fff;border-radius:16px;padding:26px 24px 28px;box-shadow:0 30px 70px -30px rgba(9,35,55,.55)}
@media (min-width:640px){.modal-panel{padding:32px 32px 34px}}
.modal-close{position:absolute;right:12px;top:12px;width:44px;height:44px;display:grid;place-items:center;border-radius:var(--r-btn);color:var(--t-2)}
.modal-close:hover{background:var(--c-bg);color:var(--c-primary)}
.modal-close svg{width:18px;height:18px}
.modal-panel h2{font-size:21px;font-weight:700;color:var(--t-1);padding-right:34px}
.modal-sub{margin-top:8px;font-size:14px;color:var(--t-2)}
.form-grid{display:grid;grid-template-columns:1fr;gap:14px;margin-top:20px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--t-1);margin-bottom:6px}
.field input,.field textarea{width:100%;min-height:44px;padding:11px 13px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;font-size:14.5px;color:var(--t-1);transition:border-color var(--tr),box-shadow var(--tr)}
.field textarea{resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(11,110,153,.14)}
.field .err{display:block;margin-top:6px;font-size:12.5px;color:#C0392B}
.check{display:flex;gap:9px;align-items:flex-start;margin-top:16px;font-size:13px;line-height:1.65;color:var(--t-2)}
.check input{width:17px;height:17px;flex:none;margin-top:3px;accent-color:var(--c-primary)}
.form-actions{margin-top:18px}
.form-privacy{margin-top:12px;font-size:12.5px;line-height:1.65;color:var(--t-3);display:flex;gap:6px;align-items:flex-start}
.form-privacy svg{width:13px;height:13px;flex:none;margin-top:3px;color:var(--c-accent)}
.form-success{margin-top:18px;padding:16px;border:1px solid #CDE9E2;background:#EFF9F6;border-radius:var(--r-card);display:flex;gap:10px;align-items:flex-start;color:#0F7A69;font-size:14px}
.form-success svg{width:18px;height:18px;flex:none;margin-top:2px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#B9C8D4;padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}}
.site-footer .brand-text{color:#fff}
.site-footer .brand-sub{color:#7E93A5}
.site-footer .brand-mark{background:#12466B}
.footer-desc{margin-top:16px;font-size:13.5px;line-height:1.8;color:#93A7B7;max-width:34ch}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-list li{font-size:13.5px;line-height:1.7;color:#93A7B7}
.footer-list a{color:#C3D2DD}
.footer-list a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-direction:column;gap:8px;font-size:12.5px;color:#7E93A5}
@media (min-width:768px){.footer-bottom{flex-direction:row;justify-content:space-between;align-items:center}}
@media (max-width:519px){
  .article-body{font-size:16px}
  .article-main{padding:20px 16px}
  .btn{padding:12px 18px;font-size:14.5px}
}

/* roulang page: category2 */
:root{
    --c-primary:#0B6E99;
    --c-primary-d:#084C6B;
    --c-primary-l:#E6F2F7;
    --c-accent:#17A08A;
    --c-accent-l:#E5F5F1;
    --c-warm:#E9A23B;
    --c-bg:#F7F9FC;
    --c-surface:#FFFFFF;
    --c-line:#E4EAF1;
    --c-footer:#0C2233;
    --t-1:#16232F;
    --t-2:#4C5D6D;
    --t-3:#8B99A7;
    --r-card:14px;
    --r-img:12px;
    --r-btn:10px;
    --sh-card:0 1px 2px rgba(16,40,64,.04), 0 14px 30px -14px rgba(16,40,64,.16);
    --sh-card-hover:0 2px 4px rgba(16,40,64,.06), 0 22px 42px -18px rgba(16,40,64,.26);
    --sh-nav:0 6px 18px -12px rgba(16,40,64,.18);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--c-bg);
    color:var(--t-2);
    font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:var(--c-primary);text-decoration:none;}
  a:hover{color:var(--c-primary-d);}
  button,input,textarea,select{font:inherit;color:inherit;}
  h1,h2,h3,h4,p,ul,ol{margin:0;}
  ul,ol{padding:0;list-style:none;}
  .num{font-variant-numeric:tabular-nums;}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
  .skip-link{position:absolute;left:-9999px;top:0;background:var(--c-primary);color:#fff;padding:10px 16px;border-radius:0 0 10px 0;z-index:200;}
  .skip-link:focus{left:0;color:#fff;}

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:120;
    background:#fff;border-bottom:1px solid var(--c-line);
    transition:box-shadow .22s ease;
  }
  .site-header.is-scrolled{box-shadow:var(--sh-nav);}
  .nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px;}
  .brand{display:flex;align-items:center;gap:12px;color:var(--t-1);}
  .brand:hover{color:var(--t-1);}
  .brand-mark{
    width:38px;height:38px;flex:0 0 38px;border-radius:10px;
    background:var(--c-primary);
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 8px 18px -10px rgba(11,110,153,.75);
  }
  .brand-mark svg{width:22px;height:22px;}
  .brand-text{display:block;font-weight:700;font-size:18px;line-height:1.25;color:var(--c-primary);letter-spacing:.2px;}
  .brand-sub{display:block;font-size:12px;line-height:1.3;color:var(--t-3);}
  .main-nav{display:flex;align-items:center;gap:26px;}
  .nav-link{
    position:relative;font-size:16px;font-weight:500;color:var(--t-1);
    padding:8px 0;transition:color .2s ease;
  }
  .nav-link::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
    background:var(--c-primary);transform:scaleX(0);transform-origin:left;
    transition:transform .22s ease;
  }
  .nav-link:hover{color:var(--c-primary);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.active{color:var(--c-primary);}
  .nav-link.active::after{transform:scaleX(1);}
  .nav-actions{display:flex;align-items:center;gap:16px;}
  .nav-tel{font-size:14px;color:var(--t-2);}
  .nav-tel:hover{color:var(--c-primary);}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:13px 24px;border-radius:var(--r-btn);border:1px solid transparent;
    font-size:16px;font-weight:600;cursor:pointer;
    min-height:44px;
    transition:background .22s ease,color .22s ease,box-shadow .22s ease,transform .22s ease,border-color .22s ease;
  }
  .btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 12px 24px -14px rgba(11,110,153,.9);}
  .btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:0 18px 30px -16px rgba(8,76,107,.95);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary);border-width:1.5px;}
  .btn-ghost:hover{background:var(--c-primary-l);color:var(--c-primary-d);}
  .btn-sm{padding:10px 18px;font-size:15px;}
  .btn:focus-visible,.nav-link:focus-visible,a:focus-visible,summary:focus-visible,.faq-q:focus-visible{
    outline:2px solid var(--c-accent);outline-offset:2px;border-radius:8px;
  }
  .btn[disabled]{opacity:.4;cursor:not-allowed;}

  .nav-toggle{
    display:none;width:44px;height:44px;align-items:center;justify-content:center;
    background:#fff;border:1px solid var(--c-line);border-radius:10px;cursor:pointer;
  }
  .nav-toggle span{display:block;width:20px;height:2px;background:var(--t-1);position:relative;}
  .nav-toggle span::before,.nav-toggle span::after{
    content:"";position:absolute;left:0;width:20px;height:2px;background:var(--t-1);
  }
  .nav-toggle span::before{top:-6px;}
  .nav-toggle span::after{top:6px;}

  .drawer{
    position:fixed;inset:0;background:#fff;z-index:180;
    padding:20px 20px 32px;display:flex;flex-direction:column;
    transform:translateX(100%);transition:transform .28s ease;
    overflow-y:auto;
  }
  .drawer.is-open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
  .drawer-close{width:44px;height:44px;border:1px solid var(--c-line);border-radius:10px;background:#fff;cursor:pointer;font-size:22px;line-height:1;color:var(--t-1);}
  .drawer-nav li{border-bottom:1px solid var(--c-line);}
  .drawer-nav a{display:block;padding:14px 0;font-size:17px;color:var(--t-1);}
  .drawer-nav a.active{color:var(--c-primary);font-weight:600;}
  .drawer-foot{margin-top:auto;padding-top:24px;}
  .drawer-foot .btn{width:100%;}
  .drawer-note{font-size:13px;color:var(--t-3);margin-top:12px;line-height:1.7;}

  /* ---------- 通用板块 ---------- */
  .section{padding:96px 0;}
  .section-tight{padding:64px 0;}
  .section-head{max-width:760px;margin-bottom:40px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:600;color:var(--c-primary);
    background:var(--c-primary-l);border-radius:999px;padding:6px 14px;margin-bottom:16px;
  }
  .eyebrow.accent{color:var(--c-accent);background:var(--c-accent-l);}
  h1{font-size:clamp(28px,4vw,44px);line-height:1.28;font-weight:700;color:var(--t-1);letter-spacing:-.4px;}
  h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:700;color:var(--t-1);}
  h3{font-size:20px;line-height:1.5;font-weight:600;color:var(--t-1);}
  .h2-bar{position:relative;padding-left:16px;}
  .h2-bar::before{
    content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
    width:3px;height:60%;background:var(--c-primary);border-radius:2px;
  }
  .lead{font-size:17px;line-height:1.9;color:var(--t-2);}
  .muted{color:var(--t-3);}
  .divider{height:1px;background:var(--c-line);border:0;margin:0;}

  /* ---------- Hero ---------- */
  .page-hero{
    background:#fff;border-bottom:1px solid var(--c-line);
    padding:72px 0 64px;position:relative;overflow:hidden;
  }
  .page-hero::before{
    content:"";position:absolute;inset:0;
    background-image:radial-gradient(rgba(11,110,153,.16) 1px,transparent 1px);
    background-size:22px 22px;opacity:.5;pointer-events:none;
    -webkit-mask-image:linear-gradient(to right,rgba(0,0,0,.9),transparent 62%);
    mask-image:linear-gradient(to right,rgba(0,0,0,.9),transparent 62%);
  }
  .hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
  .crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--t-3);margin-bottom:20px;}
  .crumbs a{color:var(--t-3);}
  .crumbs a:hover{color:var(--c-primary);}
  .hero-sub{margin-top:18px;font-size:17px;line-height:1.85;color:var(--t-2);max-width:600px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
  .hero-marks{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:30px;padding-top:22px;border-top:1px solid var(--c-line);font-size:14px;color:var(--t-2);}
  .hero-marks li{display:flex;align-items:center;gap:8px;}
  .tick{width:16px;height:16px;flex:0 0 16px;color:var(--c-accent);}
  .hero-media{position:relative;}
  .hero-media .frame{
    position:relative;border-radius:var(--r-card);overflow:hidden;
    border:1px solid var(--c-line);box-shadow:var(--sh-card);background:#0C2233;
  }
  .hero-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
  .hero-media .veil{position:absolute;inset:0;background:rgba(255,255,255,.1);}
  .hero-badge{
    position:absolute;left:18px;bottom:18px;
    background:rgba(255,255,255,.95);border-radius:12px;padding:12px 16px;
    box-shadow:var(--sh-card);display:flex;align-items:center;gap:12px;
  }
  .hero-badge b{display:block;font-size:20px;color:var(--c-primary);line-height:1.2;}
  .hero-badge small{display:block;font-size:12px;color:var(--t-3);}

  /* ---------- 导语 ---------- */
  .intro{background:var(--c-bg);}
  .intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;}
  .intro-grid p{font-size:17px;line-height:1.95;color:var(--t-2);}
  .intro-grid strong{color:var(--t-1);font-weight:600;}

  /* ---------- 数据条 ---------- */
  .stats{border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);background:#fff;}
  .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);}
  .stat{padding:34px 28px;border-right:1px solid var(--c-line);}
  .stat:last-child{border-right:0;}
  .stat .v{font-size:clamp(30px,3.4vw,42px);font-weight:700;color:var(--c-primary);line-height:1.1;}
  .stat .v em{font-style:normal;font-size:16px;font-weight:600;color:var(--t-2);margin-left:6px;}
  .stat .k{margin-top:10px;font-size:14px;color:var(--t-2);}
  .stat .s{margin-top:4px;font-size:13px;color:var(--t-3);}

  /* ---------- 交替图文 ---------- */
  .alt-list{display:flex;flex-direction:column;}
  .alt-row{
    display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
    padding:56px 0;border-bottom:1px solid var(--c-line);
  }
  .alt-row:first-child{padding-top:0;}
  .alt-row:last-child{border-bottom:0;padding-bottom:0;}
  .alt-row.reverse .alt-text{order:2;}
  .alt-row.reverse .alt-media{order:1;}
  .alt-index{
    font-size:13px;font-weight:700;color:var(--c-accent);letter-spacing:.6px;margin-bottom:12px;display:block;
  }
  .alt-text h3{margin-bottom:14px;font-size:21px;}
  .alt-text p{font-size:16px;line-height:1.9;color:var(--t-2);}
  .alt-text p + p{margin-top:1.3em;}
  .alt-points{margin-top:18px;display:grid;gap:10px;}
  .alt-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--t-2);}
  .alt-points .tick{margin-top:5px;}
  .alt-media .frame{
    position:relative;border-radius:var(--r-card);overflow:hidden;
    border:1px solid var(--c-line);box-shadow:var(--sh-card);
    transition:box-shadow .22s ease,transform .22s ease;
  }
  .alt-media .frame:hover{box-shadow:var(--sh-card-hover);transform:translateY(-2px);}
  .alt-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
  .alt-media figcaption{margin-top:12px;font-size:13px;color:var(--t-3);}

  /* ---------- 节奏时间线 ---------- */
  .rhythm{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
  .rhythm-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
  .rhythm-card{
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
    padding:26px 24px;box-shadow:var(--sh-card);
    transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
  }
  .rhythm-card:hover{box-shadow:var(--sh-card-hover);transform:translateY(-2px);border-color:#CFE3ED;}
  .rhythm-card .step{font-size:13px;font-weight:700;color:var(--c-primary);letter-spacing:.6px;}
  .rhythm-card h3{font-size:18px;margin:10px 0 8px;}
  .rhythm-card p{font-size:14px;line-height:1.75;color:var(--t-2);}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:900px;}
  .faq-item{
    background:#fff;border:1px solid var(--c-line);border-radius:12px;
    margin-bottom:12px;overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
  }
  .faq-item.is-open{border-color:#CFE3ED;box-shadow:var(--sh-card);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 22px;background:transparent;border:0;text-align:left;cursor:pointer;
    font-size:17px;font-weight:600;color:var(--t-1);min-height:44px;
  }
  .faq-q:hover{color:var(--c-primary);}
  .faq-icon{
    flex:0 0 26px;width:26px;height:26px;border-radius:50%;
    border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center;
    transition:transform .25s ease,background .22s ease,border-color .22s ease;
  }
  .faq-icon svg{width:14px;height:14px;color:var(--c-primary);}
  .faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--c-primary-l);border-color:#CFE3ED;}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
  .faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--t-2);}
  .faq-item.is-open .faq-a{max-height:420px;}

  /* ---------- 分类互链 ---------- */
  .rel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
  .rel-card{
    display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
    padding:22px 20px;color:var(--t-1);box-shadow:var(--sh-card);
    transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
  }
  .rel-card:hover{color:var(--t-1);box-shadow:var(--sh-card-hover);transform:translateY(-2px);border-color:#CFE3ED;}
  .rel-card .tag{font-size:12px;font-weight:600;color:var(--c-accent);background:var(--c-accent-l);border-radius:999px;padding:3px 10px;display:inline-block;margin-bottom:12px;}
  .rel-card h4{font-size:16px;font-weight:600;color:var(--t-1);line-height:1.5;}
  .rel-card p{margin-top:8px;font-size:14px;line-height:1.7;color:var(--t-2);}
  .rel-card.cur{border-color:var(--c-primary);background:var(--c-primary-l);}

  /* ---------- CTA 带 ---------- */
  .cta-band{background:var(--c-primary-l);border-top:1px solid #CFE3ED;border-bottom:1px solid #CFE3ED;}
  .cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;padding:56px 0;}
  .cta-inner h2{max-width:640px;}
  .cta-inner .note{margin-top:10px;font-size:14px;color:var(--t-2);}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--c-footer);color:#C6D3DE;padding:64px 0 28px;font-size:14px;}
  .site-footer a{color:#C6D3DE;}
  .site-footer a:hover{color:#fff;}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;}
  .site-footer .brand-text{color:#fff;}
  .site-footer .brand-sub{color:#8FA3B3;}
  .site-footer .brand-mark{background:var(--c-primary);}
  .footer-desc{margin-top:16px;line-height:1.85;color:#A9BAC7;max-width:340px;}
  .footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
  .footer-list li{margin-bottom:10px;line-height:1.7;}
  .footer-bottom{
    margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
    font-size:13px;color:#8FA3B3;
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .main-nav,.nav-tel{display:none;}
    .nav-toggle{display:flex;}
    .container{padding:0 24px;}
    .hero-grid{grid-template-columns:1fr;gap:36px;}
    .hero-media{order:2;}
    .stats-grid{grid-template-columns:1fr 1fr;}
    .stat{border-bottom:1px solid var(--c-line);}
    .stat:nth-child(2n){border-right:0;}
    .stat:nth-child(n+3){border-bottom:0;}
    .alt-row{grid-template-columns:1fr;gap:28px;padding:40px 0;}
    .alt-row.reverse .alt-text,.alt-row.reverse .alt-media{order:initial;}
    .rhythm-grid{grid-template-columns:1fr 1fr;}
    .rel-grid{grid-template-columns:1fr 1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
    .section{padding:72px 0;}
  }
  @media (max-width:767px){
    body{font-size:15px;}
    .container{padding:0 20px;}
    .page-hero{padding:48px 0 44px;}
    .section{padding:56px 0;}
    .intro-grid{grid-template-columns:1fr;gap:22px;}
    .lead,.intro-grid p{font-size:16px;}
    .rhythm-grid{grid-template-columns:1fr;}
    .cta-inner{padding:48px 0;}
    .hero-badge{left:12px;bottom:12px;padding:10px 14px;}
  }
  @media (max-width:560px){
    .stats-grid{grid-template-columns:1fr;}
    .stat{border-right:0;border-bottom:1px solid var(--c-line);padding:26px 0;}
    .stat:last-child{border-bottom:0;}
    .rel-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr;}
    .hero-actions .btn,.cta-actions .btn{width:100%;}
    .faq-q{font-size:16px;padding:16px 18px;}
    .faq-a-inner{padding:0 18px 18px;}
  }

/* roulang page: category1 */
:root{
  --c-primary:#0B6E99;
  --c-primary-d:#084C6B;
  --c-primary-l:#E6F2F7;
  --c-accent:#17A08A;
  --c-warm:#E9A23B;
  --c-bg:#F7F9FC;
  --c-surface:#FFFFFF;
  --c-line:#E4EAF1;
  --t-1:#16232F;
  --t-2:#4C5D6D;
  --t-3:#8B99A7;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh-card:0 1px 2px rgba(16,40,64,.04), 0 14px 30px -14px rgba(16,40,64,.16);
  --sh-card-h:0 2px 6px rgba(16,40,64,.06), 0 22px 42px -18px rgba(16,40,64,.26);
  --sh-nav:0 6px 18px -12px rgba(16,40,64,.18);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t-2);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;}
a:hover{text-decoration:underline;text-underline-offset:3px;}
button{font-family:inherit;}
input,textarea,select{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 32px;}}

.skip-link{position:absolute;left:-9999px;top:0;background:#fff;color:var(--c-primary);padding:10px 16px;border-radius:0 0 10px 0;z-index:200;}
.skip-link:focus{left:0;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .22s ease;}
.site-header.scrolled{box-shadow:var(--sh-nav);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{width:38px;height:38px;border-radius:10px;background:var(--c-primary);display:grid;place-items:center;flex:0 0 38px;}
.brand-mark svg{width:22px;height:22px;}
.brand-text{display:block;font-size:18px;font-weight:700;color:var(--c-primary);line-height:1.2;letter-spacing:.2px;}
.brand-sub{display:block;font-size:11px;color:var(--t-3);line-height:1.4;}
.main-nav{display:flex;align-items:center;gap:26px;}
.nav-link{position:relative;display:inline-block;padding:8px 0;font-size:16px;font-weight:500;color:var(--t-1);text-decoration:none;white-space:nowrap;}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:1px;height:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;}
.nav-link:hover{color:var(--c-primary);text-decoration:none;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--c-primary);}
.nav-link.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:10px;background:#fff;cursor:pointer;padding:0;place-items:center;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--t-1);border-radius:2px;margin:3px auto;transition:.22s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}

.mobile-drawer{display:none;position:fixed;inset:0;background:#fff;z-index:120;flex-direction:column;padding:20px;}
.mobile-drawer.open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--c-line);}
.drawer-close{width:44px;height:44px;border:1px solid var(--c-line);border-radius:10px;background:#fff;cursor:pointer;display:grid;place-items:center;padding:0;}
.drawer-close svg{width:20px;height:20px;stroke:var(--t-1);}
.drawer-nav{display:flex;flex-direction:column;padding:14px 0;flex:1;overflow:auto;}
.drawer-nav a{font-size:17px;font-weight:500;color:var(--t-1);padding:14px 0;border-bottom:1px solid var(--c-line);text-decoration:none;}
.drawer-nav a.active{color:var(--c-primary);}
.drawer-foot{display:flex;flex-direction:column;gap:10px;padding-top:16px;}
.drawer-foot p{font-size:13px;color:var(--t-3);line-height:1.6;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:13px 24px;border-radius:var(--r-btn);border:1.5px solid transparent;font-size:15px;font-weight:600;line-height:1.2;text-decoration:none;cursor:pointer;transition:background-color .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;white-space:nowrap;}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-d);transform:translateY(-1px);box-shadow:0 12px 24px -12px rgba(11,110,153,.65);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-l);}
.btn-ghost:active{background:#d8e9f1;}
.btn-sm{min-height:40px;padding:10px 18px;font-size:14px;}
.btn.is-disabled,.btn[disabled]{opacity:.4;pointer-events:none;}
.btn svg{width:18px;height:18px;flex:0 0 18px;}

.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;background:var(--c-primary-l);color:var(--c-primary);font-size:12.5px;font-weight:500;line-height:1.4;}
.tag-accent{background:rgba(23,160,138,.12);color:#0F7D6C;}
.tag-muted{background:#fff;border:1px solid var(--c-line);color:var(--t-2);}
.tag:hover{background:var(--c-primary);color:#fff;text-decoration:none;}

.card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-card);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-h);}

.section{padding:64px 0;}
@media(min-width:1024px){.section{padding:96px 0;}}
.sec-head{max-width:780px;margin-bottom:36px;}
.sec-title{display:flex;align-items:center;gap:12px;font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;color:var(--t-1);}
.sec-title::before{content:"";width:3px;height:.72em;border-radius:2px;background:var(--c-primary);flex:0 0 3px;}
.sec-desc{margin-top:14px;font-size:15.5px;color:var(--t-2);line-height:1.85;}

/* ---------- hero ---------- */
.hero-cat{position:relative;overflow:hidden;background:var(--c-bg);padding:52px 0 64px;}
.hero-bg{position:absolute;top:0;right:0;width:60%;height:100%;background:url("/assets/images/backpic/back-1.webp") right center/cover no-repeat;opacity:.55;z-index:0;}
.hero-cat::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,#F7F9FC 0%,rgba(247,249,252,.94) 40%,rgba(247,249,252,.5) 100%);}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;color:var(--c-primary);background:#fff;border:1px solid var(--c-line);border-radius:999px;padding:6px 14px;box-shadow:0 1px 2px rgba(16,40,64,.04);}
.hero-copy h1{margin-top:20px;font-size:clamp(28px,4vw,44px);font-weight:700;line-height:1.28;color:var(--t-1);letter-spacing:-.3px;}
.hero-sub{margin-top:16px;font-size:16.5px;line-height:1.8;color:var(--t-2);max-width:36em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;font-size:13.5px;color:var(--t-3);}
.hero-meta li{display:flex;align-items:center;gap:8px;}
.hero-meta li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
.hero-figure{position:relative;}
.hero-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--c-line);box-shadow:var(--sh-card-h);}
.hero-figure figcaption{margin-top:12px;font-size:13px;color:var(--t-3);text-align:right;}

@media(max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-figure{order:2;}
  .hero-bg{width:100%;opacity:.4;}
  .hero-cat::after{background:linear-gradient(180deg,rgba(247,249,252,.96) 0%,rgba(247,249,252,.86) 60%,rgba(247,249,252,.96) 100%);}
}

/* ---------- intro ---------- */
.intro-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:start;}
.intro-body p{font-size:16px;line-height:1.9;color:var(--t-2);margin-bottom:1.3em;}
.intro-body p:last-child{margin-bottom:0;}
.intro-body strong{color:var(--t-1);font-weight:600;}
.stat-panel{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-card);padding:26px;}
.stat-row{display:flex;align-items:baseline;gap:10px;padding:16px 0;border-bottom:1px solid var(--c-line);}
.stat-row:first-child{padding-top:0;}
.stat-row:last-child{border-bottom:0;padding-bottom:0;}
.stat-num{font-size:36px;font-weight:700;color:var(--c-primary);line-height:1;font-variant-numeric:tabular-nums;}
.stat-num.warm{color:var(--c-warm);}
.stat-unit{font-size:14px;font-weight:600;color:var(--t-1);}
.stat-note{font-size:13px;color:var(--t-3);margin-left:auto;text-align:right;line-height:1.5;}
@media(max-width:1023px){
  .intro-grid{grid-template-columns:1fr;}
}

/* ---------- steps ---------- */
.steps-shell{position:relative;}
.steps{position:relative;padding-left:0;}
.steps::before{content:"";position:absolute;left:23px;top:24px;bottom:24px;width:2px;background:var(--c-line);}
.step{position:relative;display:grid;grid-template-columns:48px 1fr;gap:22px;padding-bottom:26px;}
.step:last-child{padding-bottom:0;}
.step-num{position:relative;z-index:1;width:48px;height:48px;border-radius:50%;background:#fff;border:1.5px solid var(--c-primary);color:var(--c-primary);display:grid;place-items:center;font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;}
.step:hover .step-num{background:var(--c-primary);color:#fff;}
.step-body{padding:24px 26px;}
.step-body h3{font-size:19px;font-weight:600;color:var(--t-1);line-height:1.5;}
.step-body p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--t-2);}
.step-meta{display:flex;flex-wrap:wrap;gap:10px 16px;margin-top:16px;padding-top:16px;border-top:1px dashed var(--c-line);}
.step-meta span{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--t-2);}
.step-meta b{display:inline-block;font-weight:600;font-size:12.5px;color:var(--c-primary);background:var(--c-primary-l);border-radius:6px;padding:2px 8px;}

/* ---------- delivery block ---------- */
.deliver{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.deliver-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:center;}
.deliver-grid img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--c-line);}
.check-list{display:grid;gap:14px;margin-top:22px;}
.check-list li{display:grid;grid-template-columns:22px 1fr;gap:12px;font-size:15px;line-height:1.75;color:var(--t-2);}
.check-list svg{width:20px;height:20px;margin-top:4px;stroke:var(--c-accent);}
.check-list b{color:var(--t-1);font-weight:600;}
@media(max-width:1023px){
  .deliver-grid{grid-template-columns:1fr;gap:28px;}
}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:12px;overflow:hidden;transition:background-color .22s ease,border-color .22s ease;}
.faq-item.open{background:var(--c-bg);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 22px;background:transparent;border:0;cursor:pointer;text-align:left;font-size:17px;font-weight:600;color:var(--t-1);line-height:1.6;}
.faq-icon{position:relative;width:22px;height:22px;flex:0 0 22px;}
.faq-icon span{position:absolute;left:50%;top:50%;background:var(--c-primary);border-radius:2px;transition:transform .26s ease,opacity .26s ease;}
.faq-icon .h{width:14px;height:2px;transform:translate(-50%,-50%);}
.faq-icon .v{width:2px;height:14px;transform:translate(-50%,-50%);}
.faq-item.open .faq-icon .v{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--t-2);}

/* ---------- cross links ---------- */
.cross-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.cross-card{display:block;padding:22px;text-decoration:none;}
.cross-card:hover{text-decoration:none;}
.cross-card .tag{font-size:12px;}
.cross-card h3{margin-top:14px;font-size:16.5px;font-weight:600;color:var(--t-1);line-height:1.5;}
.cross-card p{margin-top:8px;font-size:13.5px;line-height:1.7;color:var(--t-3);}
.cross-card .more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13.5px;font-weight:600;color:var(--c-primary);}
.cross-card:hover .more svg{transform:translateX(3px);}
.cross-card .more svg{width:15px;height:15px;transition:transform .22s ease;}
@media(max-width:1023px){.cross-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.cross-grid{grid-template-columns:1fr;}}

/* ---------- cta band ---------- */
.cta-band{background:var(--c-primary-l);border-top:1px solid #d3e6ef;border-bottom:1px solid #d3e6ef;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:44px 0;}
.cta-inner h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;color:var(--t-1);line-height:1.4;}
.cta-inner p{margin-top:10px;font-size:14.5px;color:var(--t-2);}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto;}
@media(max-width:900px){.cta-inner{flex-direction:column;align-items:flex-start;padding:36px 0;}}

/* ---------- form modal ---------- */
.modal{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;padding:20px;}
.modal.open{display:flex;}
.modal-mask{position:absolute;inset:0;background:rgba(11,40,60,.55);}
.modal-panel{position:relative;width:100%;max-width:560px;max-height:92vh;overflow:auto;background:#fff;border-radius:16px;padding:28px;box-shadow:0 30px 70px -24px rgba(6,30,46,.5);}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;}
.modal-head h2{font-size:20px;font-weight:700;color:var(--t-1);line-height:1.5;}
.modal-head p{margin-top:6px;font-size:13.5px;color:var(--t-3);}
.modal-close{width:44px;height:44px;flex:0 0 44px;border:1px solid var(--c-line);background:#fff;border-radius:10px;display:grid;place-items:center;cursor:pointer;padding:0;}
.modal-close svg{width:18px;height:18px;stroke:var(--t-1);}
.form-grid{display:grid;gap:16px;margin-top:22px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field label{font-size:13.5px;font-weight:600;color:var(--t-1);}
.field .req{color:#C0392B;}
.field input,.field textarea,.field select{width:100%;border:1px solid var(--c-line);border-radius:var(--r-btn);padding:0 14px;height:44px;color:var(--t-1);background:#fff;transition:border-color .2s ease,box-shadow .2s ease;}
.field textarea{height:auto;padding:12px 14px;line-height:1.7;resize:vertical;min-height:104px;}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(11,110,153,.14);}
.privacy-row{display:grid;grid-template-columns:20px 1fr;gap:10px;margin-top:18px;font-size:13px;color:var(--t-3);line-height:1.6;}
.privacy-row input{width:18px;height:18px;margin-top:2px;accent-color:var(--c-primary);}
.form-actions{margin-top:18px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.form-actions .btn{width:100%;}
.form-state{display:none;align-items:center;gap:10px;margin-top:16px;padding:14px 16px;border-radius:12px;background:rgba(23,160,138,.1);color:#0F7D6C;font-size:14px;}
.form-state.show{display:flex;}
.form-state svg{width:20px;height:20px;stroke:#0F7D6C;flex:0 0 20px;}

/* ---------- footer ---------- */
.site-footer{background:#0C2233;color:#B9C9D6;padding:56px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
.site-footer .brand-text{color:#fff;}
.site-footer .brand-sub{color:#8FA6B6;}
.site-footer .brand-mark{background:#0B6E99;}
.footer-desc{margin-top:16px;font-size:13.5px;line-height:1.8;color:#93A9B9;max-width:30em;}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;}
.footer-list{display:grid;gap:10px;}
.footer-list li{font-size:13.5px;color:#93A9B9;line-height:1.6;}
.footer-list a{color:#93A9B9;text-decoration:none;}
.footer-list a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#7C93A4;}
@media(max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media(max-width:640px){
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}

/* ---------- responsive nav ---------- */
@media(max-width:1023px){
  .main-nav{display:none;}
  .nav-actions .btn-sm{display:none;}
  .nav-toggle{display:grid;}
  .nav-inner{height:56px;}
  .brand-mark{width:34px;height:34px;flex:0 0 34px;}
  .brand-text{font-size:16.5px;}
  .brand-sub{font-size:10.5px;}
}
@media(min-width:1024px){
  .mobile-drawer{display:none !important;}
}
@media(max-width:640px){
  .section{padding:48px 0;}
  .hero-cat{padding:36px 0 48px;}
  .stat-num{font-size:30px;}
  .step{grid-template-columns:40px 1fr;gap:14px;}
  .step-num{width:40px;height:40px;font-size:13.5px;}
  .steps::before{left:19px;}
  .step-body{padding:20px;}
  .faq-q{font-size:16px;padding:16px 18px;}
  .faq-a p{padding:0 18px 18px;}
  .modal-panel{padding:22px;border-radius:14px;}
}

/* roulang page: category3 */
:root{
    --c-primary:#0B6E99;
    --c-primary-d:#084C6B;
    --c-primary-l:#E6F2F7;
    --c-accent:#17A08A;
    --c-warm:#E9A23B;
    --c-bg:#F7F9FC;
    --c-surface:#FFFFFF;
    --c-line:#E4EAF1;
    --t-1:#16232F;
    --t-2:#4C5D6D;
    --t-3:#8B99A7;
    --r-card:14px;
    --r-img:12px;
    --r-btn:10px;
    --shadow-card:0 1px 2px rgba(16,40,64,.04), 0 14px 30px -14px rgba(16,40,64,.16);
    --shadow-card-hover:0 2px 6px rgba(16,40,64,.06), 0 22px 42px -16px rgba(16,40,64,.22);
    --shadow-nav:0 6px 18px -12px rgba(16,40,64,.18);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--c-bg);
    color:var(--t-2);
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{color:var(--t-1);margin:0;font-weight:700;line-height:1.35;}
  p{margin:0 0 1.3em;}
  p:last-child{margin-bottom:0;}
  a{color:var(--c-primary);text-decoration:none;transition:color .22s ease,box-shadow .22s ease;}
  a:hover{text-decoration:underline;text-underline-offset:3px;}
  img{max-width:100%;display:block;height:auto;}
  button,input,textarea,select{font:inherit;color:inherit;}
  button{cursor:pointer;border:0;background:none;}
  ul,ol{margin:0;padding:0;list-style:none;}
  .num{font-variant-numeric:tabular-nums;}
  :focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
  .skip-link{
    position:absolute;left:16px;top:-60px;z-index:120;
    background:var(--c-primary);color:#fff;padding:10px 16px;border-radius:var(--r-btn);
    transition:top .2s ease;
  }
  .skip-link:focus{top:12px;text-decoration:none;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media (min-width:1024px){.container{padding:0 32px;}}

  /* ---------- Header / Nav ---------- */
  .site-header{
    position:sticky;top:0;z-index:90;background:#fff;
    border-bottom:1px solid var(--c-line);
    transition:box-shadow .25s ease;
  }
  .site-header.is-stuck{box-shadow:var(--shadow-nav);}
  .header-inner{
    display:flex;align-items:center;justify-content:space-between;gap:20px;
    height:56px;
  }
  @media (min-width:1024px){.header-inner{height:68px;gap:28px;}}
  .brand{display:flex;align-items:center;gap:10px;text-decoration:none;}
  .brand:hover{text-decoration:none;}
  .brand-mark{
    width:36px;height:36px;flex:0 0 36px;border-radius:11px;
    background:linear-gradient(140deg,var(--c-primary) 0%,#0d8ab8 100%);
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 6px 14px -8px rgba(11,110,153,.75);
  }
  .brand-mark svg{width:21px;height:21px;}
  .brand-text{display:block;font-size:17px;font-weight:700;color:var(--c-primary);line-height:1.15;letter-spacing:.2px;}
  .brand-sub{display:block;font-size:11px;color:var(--t-3);line-height:1.4;letter-spacing:.4px;}
  .main-nav{display:none;}
  @media (min-width:1024px){
    .main-nav{display:flex;align-items:center;gap:6px;}
  }
  .nav-link{
    position:relative;display:inline-block;
    padding:8px 12px;font-size:16px;font-weight:500;color:var(--t-1);
    text-decoration:none;white-space:nowrap;transition:color .22s ease;
  }
  .nav-link::after{
    content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
    background:var(--c-primary);transform:scaleX(0);transform-origin:left;
    transition:transform .24s ease;
  }
  .nav-link:hover{color:var(--c-primary);text-decoration:none;}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.active{color:var(--c-primary);}
  .nav-link.active::after{transform:scaleX(1);}
  .header-actions{display:flex;align-items:center;gap:10px;}
  .header-actions .btn{display:none;}
  @media (min-width:768px){.header-actions .btn{display:inline-flex;}}
  .menu-toggle{
    width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--c-line);
    display:flex;align-items:center;justify-content:center;background:#fff;
    transition:background .22s ease,border-color .22s ease;
  }
  .menu-toggle:hover{background:var(--c-primary-l);border-color:#cfe4ee;}
  .menu-toggle svg{width:22px;height:22px;stroke:var(--t-1);}
  @media (min-width:1024px){.menu-toggle{display:none;}}
  .mobile-drawer{
    position:fixed;inset:0;z-index:110;background:#fff;
    transform:translateX(100%);transition:transform .28s ease;
    display:flex;flex-direction:column;padding:16px 20px 24px;
    overflow-y:auto;
  }
  .mobile-drawer.is-open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
  .drawer-close{
    width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--c-line);
    display:flex;align-items:center;justify-content:center;background:#fff;
  }
  .drawer-close svg{width:20px;height:20px;stroke:var(--t-1);}
  .drawer-link{
    display:block;padding:14px 4px;font-size:17px;font-weight:500;color:var(--t-1);
    border-bottom:1px solid var(--c-line);text-decoration:none;
  }
  .drawer-link:hover{color:var(--c-primary);text-decoration:none;}
  .drawer-link.active{color:var(--c-primary);}
  .drawer-foot{margin-top:auto;padding-top:24px;}
  .drawer-note{font-size:12px;color:var(--t-3);margin:12px 0 0;line-height:1.7;}

  /* ---------- Buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:12px 22px;border-radius:var(--r-btn);
    font-size:15px;font-weight:600;text-decoration:none;border:1.5px solid transparent;
    transition:background .22s ease,color .22s ease,border-color .22s ease,transform .18s ease,box-shadow .22s ease;
    white-space:nowrap;
  }
  .btn:hover{text-decoration:none;}
  .btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 10px 20px -12px rgba(11,110,153,.85);}
  .btn-primary:hover{background:var(--c-primary-d);transform:translateY(-1px);box-shadow:0 14px 26px -12px rgba(11,110,153,.9);}
  .btn-primary:active{transform:translateY(0);}
  .btn-outline{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
  .btn-outline:hover{background:var(--c-primary-l);transform:translateY(-1px);}
  .btn-ghost{background:#fff;color:var(--t-1);border-color:var(--c-line);}
  .btn-ghost:hover{border-color:#cfe4ee;background:var(--c-primary-l);color:var(--c-primary);}
  .btn-sm{min-height:40px;padding:9px 16px;font-size:14px;}
  .link-arrow{font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;text-decoration:none;}
  .link-arrow svg{width:16px;height:16px;transition:transform .22s ease;stroke:currentColor;}
  .link-arrow:hover svg{transform:translateX(3px);}

  /* ---------- Section shell ---------- */
  .section{padding:64px 0;}
  @media (min-width:1024px){.section{padding:96px 0;}}
  .section-head{max-width:760px;margin-bottom:32px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:600;color:var(--c-primary);
    background:var(--c-primary-l);border-radius:999px;padding:5px 12px;margin-bottom:14px;
  }
  .section-title{font-size:clamp(22px,2.6vw,30px);position:relative;padding-left:14px;margin-bottom:12px;}
  .section-title::before{
    content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
    width:3px;height:60%;border-radius:3px;background:var(--c-primary);
  }
  .section-sub{font-size:16px;color:var(--t-2);max-width:70ch;}

  /* ---------- Hero ---------- */
  .hero{
    position:relative;overflow:hidden;background:#fff;border-bottom:1px solid var(--c-line);
  }
  .hero::before{
    content:"";position:absolute;inset:0;
    background-image:url("/assets/images/backpic/back-1.webp");
    background-size:cover;background-position:center right;
    opacity:.16;
  }
  .hero::after{
    content:"";position:absolute;inset:0;
    background-image:radial-gradient(rgba(11,110,153,.14) 1px, transparent 1px);
    background-size:18px 18px;opacity:.35;
    mask-image:linear-gradient(90deg,rgba(0,0,0,.9),transparent 60%);
  }
  .hero-inner{position:relative;z-index:1;padding:52px 0 56px;}
  @media (min-width:1024px){.hero-inner{padding:80px 0 84px;}}
  .hero-grid{display:grid;gap:32px;}
  @media (min-width:1024px){
    .hero-grid{grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;}
  }
  .hero h1{font-size:clamp(28px,4vw,42px);line-height:1.28;margin-bottom:16px;}
  .hero-lead{font-size:17px;color:var(--t-2);max-width:56ch;margin-bottom:26px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
  .trust-row{
    display:flex;flex-wrap:wrap;gap:10px 24px;font-size:13px;color:var(--t-3);
    border-top:1px solid var(--c-line);padding-top:18px;
  }
  .trust-row span{display:inline-flex;align-items:center;gap:7px;}
  .trust-row i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:inline-block;}
  .hero-media{position:relative;}
  .hero-media img{
    width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);
    border:1px solid var(--c-line);box-shadow:var(--shadow-card);
  }
  .hero-badge{
    position:absolute;left:16px;bottom:-18px;
    background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
    box-shadow:var(--shadow-card);padding:14px 18px;display:flex;gap:22px;
  }
  .hero-badge b{display:block;font-size:22px;color:var(--c-primary);line-height:1.2;}
  .hero-badge small{font-size:12px;color:var(--t-3);}
  @media (max-width:640px){
    .hero-badge{position:static;margin-top:14px;justify-content:space-between;}
  }

  /* ---------- Intro ---------- */
  .intro-grid{display:grid;gap:28px;}
  @media (min-width:1024px){.intro-grid{grid-template-columns:1.15fr .85fr;gap:52px;}}
  .intro-text p{font-size:16.5px;}
  .intro-aside{
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
    padding:26px;box-shadow:var(--shadow-card);
  }
  .intro-aside h3{font-size:19px;margin-bottom:14px;}
  .check-list li{
    display:flex;gap:10px;align-items:flex-start;padding:9px 0;
    border-bottom:1px dashed var(--c-line);font-size:15px;color:var(--t-2);
  }
  .check-list li:last-child{border-bottom:0;}
  .check-list svg{width:18px;height:18px;flex:0 0 18px;margin-top:4px;stroke:var(--c-accent);}

  /* ---------- KPI ---------- */
  .kpi-band{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
  .kpi-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0;}
  @media (min-width:900px){.kpi-grid{grid-template-columns:repeat(4,1fr);}}
  .kpi-card{
    padding:28px 20px;border-right:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
  }
  @media (min-width:900px){.kpi-card{border-bottom:0;}.kpi-card:last-child{border-right:0;}}
  @media (max-width:899px){
    .kpi-card:nth-child(2n){border-right:0;}
    .kpi-card:nth-child(n+3){border-bottom:0;}
  }
  .kpi-num{font-size:clamp(30px,4vw,42px);font-weight:700;color:var(--c-primary);line-height:1.1;}
  .kpi-num em{font-size:16px;font-style:normal;color:var(--t-2);font-weight:600;margin-left:4px;}
  .kpi-label{margin-top:8px;font-size:14px;color:var(--t-2);}
  .kpi-note{font-size:12.5px;color:var(--t-3);margin-top:4px;}

  /* ---------- Comparison table ---------- */
  .table-wrap{
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
    box-shadow:var(--shadow-card);overflow:hidden;
  }
  .table-scroll{overflow-x:auto;}
  table.cmp-table{width:100%;border-collapse:collapse;min-width:760px;}
  .cmp-table thead th{
    text-align:left;font-size:13.5px;font-weight:700;color:var(--t-1);
    background:var(--c-primary-l);padding:14px 20px;border-bottom:1px solid var(--c-line);
    white-space:nowrap;
  }
  .cmp-table tbody td{
    padding:16px 20px;font-size:14.5px;color:var(--t-2);
    border-bottom:1px solid var(--c-line);vertical-align:top;
  }
  .cmp-table tbody tr:last-child td{border-bottom:0;}
  .cmp-table tbody tr{transition:background .2s ease;}
  .cmp-table tbody tr:hover{background:#F2F8FB;}
  .cmp-table td.item{font-weight:600;color:var(--t-1);width:20%;}
  .cmp-table td.req{width:32%;color:var(--t-1);}
  .tag-soft{
    display:inline-block;font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;
    background:var(--c-primary-l);color:var(--c-primary-d);margin-top:6px;
  }
  .tag-accent{background:#E4F6F2;color:#0E7A69;}
  .table-foot{
    display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
    padding:16px 20px;background:var(--c-bg);border-top:1px solid var(--c-line);
    font-size:13.5px;color:var(--t-3);
  }
  @media (max-width:768px){
    .table-scroll{overflow:visible;}
    table.cmp-table{min-width:0;display:block;}
    .cmp-table thead{display:none;}
    .cmp-table tbody,.cmp-table tr,.cmp-table td{display:block;width:auto;}
    .cmp-table tbody tr{
      border:1px solid var(--c-line);border-radius:var(--r-card);
      padding:16px 18px;margin:14px;background:#fff;
    }
    .cmp-table tbody td{border-bottom:0;padding:6px 0;}
    .cmp-table tbody td::before{
      content:attr(data-label);display:block;font-size:12px;font-weight:700;
      color:var(--t-3);letter-spacing:.5px;margin-bottom:2px;
    }
    .cmp-table td.item{font-size:16px;}
  }

  /* ---------- Cards ---------- */
  .card-grid{display:grid;gap:24px;}
  @media (min-width:768px){.card-grid{grid-template-columns:repeat(2,1fr);}}
  @media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr);}}
  .card{
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
    padding:26px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:12px;
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .card:hover{transform:translateY(-2px);box-shadow:var(--shadow-card-hover);border-color:#d5e4ee;}
  .card h3{font-size:19px;}
  .card p{font-size:14.5px;color:var(--t-2);margin:0;}
  .card-icon{
    width:44px;height:44px;border-radius:12px;background:var(--c-primary-l);
    display:flex;align-items:center;justify-content:center;
  }
  .card-icon svg{width:22px;height:22px;stroke:var(--c-primary);}

  /* ---------- FAQ ---------- */
  .faq-list{display:grid;gap:12px;}
  details.faq{
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:12px;
    overflow:hidden;transition:background .22s ease,border-color .22s ease;
  }
  details.faq[open]{background:var(--c-bg);border-color:#d5e4ee;}
  details.faq summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 20px;font-size:17px;font-weight:600;color:var(--t-1);min-height:44px;
  }
  details.faq summary::-webkit-details-marker{display:none;}
  .faq-mark{
    flex:0 0 26px;width:26px;height:26px;border-radius:50%;
    border:1px solid var(--c-line);background:#fff;position:relative;
    transition:transform .24s ease,background .24s ease,border-color .24s ease;
  }
  .faq-mark::before,.faq-mark::after{
    content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);
    transform:translate(-50%,-50%);border-radius:2px;
  }
  .faq-mark::before{width:12px;height:2px;}
  .faq-mark::after{width:2px;height:12px;transition:opacity .24s ease;}
  details.faq[open] .faq-mark{transform:rotate(180deg);background:var(--c-primary);border-color:var(--c-primary);}
  details.faq[open] .faq-mark::before{background:#fff;}
  details.faq[open] .faq-mark::after{opacity:0;}
  details.faq .faq-body{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--t-2);}

  /* ---------- Cross links ---------- */
  .cross-links{display:grid;gap:14px;}
  @media (min-width:768px){.cross-links{grid-template-columns:repeat(2,1fr);}}
  @media (min-width:1024px){.cross-links{grid-template-columns:repeat(4,1fr);}}
  .cross-card{
    display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
    padding:20px;text-decoration:none;box-shadow:var(--shadow-card);
    transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  }
  .cross-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-card-hover);border-color:#d5e4ee;text-decoration:none;}
  .cross-card strong{display:block;font-size:16px;color:var(--t-1);margin-bottom:6px;}
  .cross-card span{font-size:13.5px;color:var(--t-3);}
  .cross-card.current{border-color:var(--c-primary);background:var(--c-primary-l);}

  /* ---------- CTA band ---------- */
  .cta-band{
    background:var(--c-primary-l);border-top:1px solid #d7ebf3;border-bottom:1px solid #d7ebf3;
  }
  .cta-inner{
    display:grid;gap:22px;padding:48px 0;
  }
  @media (min-width:900px){
    .cta-inner{grid-template-columns:1.35fr .65fr;align-items:center;padding:60px 0;}
  }
  .cta-inner h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
  .cta-inner p{font-size:15.5px;color:var(--t-2);margin:0;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
  @media (min-width:900px){.cta-actions{justify-content:flex-end;}}
  .cta-note{font-size:13px;color:var(--t-3);margin-top:12px;}

  /* ---------- Footer ---------- */
  .site-footer{background:#0C2233;color:#B9C7D4;padding:56px 0 28px;font-size:14px;}
  .footer-grid{display:grid;gap:32px;}
  @media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1.15fr 1fr;gap:40px;}}
  .site-footer .brand{margin-bottom:16px;}
  .site-footer .brand-text{color:#fff;}
  .site-footer .brand-sub{color:#7E93A6;}
  .site-footer .brand-mark{background:#12435C;box-shadow:none;}
  .footer-desc{color:#93A7B8;font-size:14px;line-height:1.85;margin:0;max-width:38ch;}
  .footer-title{color:#fff;font-size:15px;font-weight:700;margin:0 0 14px;}
  .footer-list li{margin-bottom:10px;line-height:1.7;}
  .footer-list a{color:#B9C7D4;text-decoration:none;transition:color .2s ease;}
  .footer-list a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
  .footer-bottom{
    margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
    display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
    font-size:13px;color:#7E93A6;
  }
  @media (max-width:520px){
    .section{padding:52px 0;}
    .hero-lead{font-size:16px;}
    .card{padding:20px;}
    .brand-sub{display:none;}
  }

/* roulang page: category4 */
:root{
  --c-primary:#0B6E99;
  --c-primary-d:#084C6B;
  --c-primary-l:#E6F2F7;
  --c-accent:#17A08A;
  --c-warm:#E9A23B;
  --c-bg:#F7F9FC;
  --c-surface:#FFFFFF;
  --c-line:#E4EAF1;
  --t-1:#16232F;
  --t-2:#4C5D6D;
  --t-3:#8B99A7;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh-card:0 1px 2px rgba(16,40,64,.04), 0 14px 30px -14px rgba(16,40,64,.16);
  --sh-card-h:0 2px 4px rgba(16,40,64,.06), 0 22px 42px -18px rgba(16,40,64,.26);
  --ease:.22s ease;
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--t-2);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,li,figure,blockquote{margin:0;padding:0}
ul,ol{list-style:none}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--c-primary-d)}
img{display:block;max-width:100%;height:auto}
button{font-family:inherit;cursor:pointer}
button,input,textarea,select{font:inherit;color:inherit}
[hidden]{display:none !important}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;background:#fff;color:var(--c-primary);
  padding:10px 18px;border-radius:0 0 10px 0;box-shadow:var(--sh-card);
}
.skip-link:focus{left:0}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:var(--c-surface);
  border-bottom:1px solid var(--c-line);transition:box-shadow var(--ease);
}
.site-header.scrolled{box-shadow:0 6px 18px -12px rgba(16,40,64,.18)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:56px;gap:16px}
@media (min-width:1024px){.header-inner{height:68px}}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 36px;
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:block;font-size:17px;font-weight:700;color:var(--c-primary);letter-spacing:.2px;line-height:1.2}
.brand-sub{display:block;font-size:11px;color:var(--t-3);letter-spacing:.4px;line-height:1.4}
.main-nav{display:none}
@media (min-width:1024px){
  .main-nav{display:flex;align-items:center;gap:26px}
}
.nav-link{
  position:relative;font-size:16px;font-weight:500;color:var(--t-1);
  padding:6px 2px;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--c-primary);
  transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--c-primary)}
.nav-link.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:14px}
.header-tel{display:none;font-size:14px;color:var(--t-2)}
.header-tel:hover{color:var(--c-primary)}
@media (min-width:1200px){.header-tel{display:inline}}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:background var(--ease),color var(--ease),box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 10px 22px -14px rgba(11,110,153,.9)}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:0 16px 28px -14px rgba(11,110,153,.95)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-secondary{background:#fff;color:var(--c-primary);border:1.5px solid var(--c-primary)}
.btn-secondary:hover{background:var(--c-primary-l);color:var(--c-primary-d)}
.btn-secondary:active{transform:translateY(1px)}
.btn-sm{min-height:40px;padding:10px 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none}
.header-cta{display:none}
@media (min-width:768px){.header-cta{display:inline-flex}}

.nav-toggle{
  width:44px;height:44px;border:1px solid var(--c-line);border-radius:10px;background:#fff;
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--t-1);transition:transform var(--ease)}
.nav-toggle:hover{border-color:var(--c-primary);background:var(--c-primary-l)}
@media (min-width:1024px){.nav-toggle{display:none}}

.drawer{
  position:fixed;inset:0;z-index:120;background:#fff;display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .28s ease;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;height:56px;padding:0 20px;border-bottom:1px solid var(--c-line)}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--c-line);border-radius:10px;background:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:20px;color:var(--t-1);
}
.drawer-close:hover{background:var(--c-primary-l);border-color:var(--c-primary);color:var(--c-primary)}
.drawer-nav{padding:10px 20px 20px}
.drawer-nav a{
  display:block;padding:14px 2px;font-size:17px;font-weight:500;color:var(--t-1);
  border-bottom:1px solid var(--c-line);
}
.drawer-nav a.active{color:var(--c-primary)}
.drawer-foot{margin-top:auto;padding:20px;border-top:1px solid var(--c-line);background:var(--c-bg)}
.drawer-foot .btn{width:100%}
.drawer-note{margin-top:12px;font-size:13px;color:var(--t-3);line-height:1.7}

/* ---------- page hero ---------- */
.page-hero{position:relative;background:var(--c-surface);border-bottom:1px solid var(--c-line);overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.07;
}
.hero-inner{position:relative;padding:48px 0 56px}
@media (min-width:1024px){.hero-inner{padding:72px 0 84px}}
.hero-grid{display:grid;gap:32px;align-items:center}
@media (min-width:1024px){.hero-grid{grid-template-columns:1.1fr .9fr;gap:56px}}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:999px;
  background:var(--c-primary-l);color:var(--c-primary-d);font-size:13px;font-weight:600;line-height:1.4;
}
.badge-accent{background:rgba(23,160,138,.12);color:#0F7A69}
.hero-title{
  margin-top:18px;font-size:clamp(28px,4vw,44px);line-height:1.28;font-weight:700;color:var(--t-1);
}
.hero-sub{margin-top:16px;font-size:17px;line-height:1.8;color:var(--t-2);max-width:46em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.inline-facts{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;font-size:13px;color:var(--t-3)}
.inline-facts li{position:relative;padding-left:16px}
.inline-facts li::before{
  content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;
  background:var(--c-accent);
}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);
  box-shadow:var(--sh-card);
}
.hero-media figcaption{margin-top:10px;font-size:13px;color:var(--t-3)}

/* ---------- sections ---------- */
.section{padding:64px 0}
@media (min-width:1024px){.section{padding:96px 0}}
.section-tight{padding:52px 0}
@media (min-width:1024px){.section-tight{padding:72px 0}}
.section-head{max-width:760px;margin-bottom:28px}
@media (min-width:1024px){.section-head{margin-bottom:40px}}
.section-title{
  position:relative;padding-left:14px;font-size:clamp(22px,2.6vw,30px);
  line-height:1.35;font-weight:700;color:var(--t-1);
}
.section-title::before{
  content:"";position:absolute;left:0;top:.14em;width:3px;height:.72em;
  border-radius:2px;background:var(--c-primary);
}
.section-desc{margin-top:12px;font-size:16px;color:var(--t-2);line-height:1.85}
.lead p + p{margin-top:1.3em}
.lead{font-size:16.5px;line-height:1.9;color:var(--t-2);max-width:70ch}
.link-more{font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.link-more svg{transition:transform var(--ease)}
.link-more:hover svg{transform:translateX(3px)}

/* ---------- metrics ---------- */
.metrics{
  display:grid;gap:1px;background:var(--c-line);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;margin-top:32px;
}
@media (min-width:768px){.metrics{grid-template-columns:repeat(3,1fr)}}
.metric{background:var(--c-surface);padding:24px 22px}
.metric-num{
  font-size:clamp(30px,4vw,40px);font-weight:700;color:var(--c-primary);
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.metric-num.warm{color:var(--c-warm)}
.metric-unit{font-size:15px;font-weight:600;color:var(--t-2);margin-left:4px}
.metric-desc{margin-top:8px;font-size:13px;color:var(--t-3);line-height:1.7}

/* ---------- mix: checklist + faq ---------- */
.mix-grid{display:grid;gap:24px;align-items:start}
@media (min-width:1024px){.mix-grid{grid-template-columns:1fr 1fr;gap:28px}}
.panel{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-card);
}
@media (min-width:1024px){.panel{padding:30px 28px}}
.panel-title{font-size:19px;font-weight:600;color:var(--t-1);margin-bottom:6px}
.panel-note{font-size:14px;color:var(--t-3);margin-bottom:14px}
.check-item{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--c-line)}
.check-item:last-child{border-bottom:0;padding-bottom:0}
.check-num{
  flex:0 0 38px;height:28px;border-radius:999px;background:var(--c-primary-l);color:var(--c-primary-d);
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;letter-spacing:.5px;
}
.check-body h3{font-size:17px;font-weight:600;color:var(--t-1);line-height:1.5}
.check-body p{margin-top:6px;font-size:14px;line-height:1.75;color:var(--t-2)}

.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:12px;
  overflow:hidden;margin-bottom:12px;transition:box-shadow var(--ease),border-color var(--ease);
}
.faq-item:hover{border-color:#CFE0EA;box-shadow:0 10px 24px -18px rgba(16,40,64,.5)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:none;border:0;text-align:left;
  font-size:17px;font-weight:600;color:var(--t-1);line-height:1.55;
}
.faq-q:hover{color:var(--c-primary)}
.faq-icon{
  position:relative;flex:0 0 22px;height:22px;border-radius:50%;background:var(--c-primary-l);
  transition:transform var(--ease),background var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;transition:background var(--ease),transform var(--ease);
}
.faq-icon::before{left:6px;right:6px;top:10px;height:2px}
.faq-icon::after{top:6px;bottom:6px;left:10px;width:2px}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(180deg);background:var(--c-primary)}
.faq-q[aria-expanded="true"] .faq-icon::before,.faq-q[aria-expanded="true"] .faq-icon::after{background:#fff}
.faq-q[aria-expanded="true"] .faq-icon::after{transform:scaleY(0)}
.faq-a{padding:16px 20px 20px;background:var(--c-bg);border-top:1px solid var(--c-line);font-size:15px;line-height:1.8;color:var(--t-2)}

/* ---------- flow table ---------- */
.flow-table{
  margin-top:28px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);
}
.flow-row{
  display:grid;grid-template-columns:1.1fr 1fr 2.1fr;gap:8px 20px;
  padding:18px 22px;border-top:1px solid var(--c-line);
  font-size:15px;transition:background var(--ease);
}
.flow-row:first-child{border-top:0}
.flow-head{background:var(--c-bg);font-weight:600;color:var(--t-1);font-size:14px;letter-spacing:.3px}
.flow-row:not(.flow-head):hover{background:var(--c-primary-l)}
.flow-topic{font-weight:600;color:var(--t-1)}
.flow-time{color:var(--c-primary);font-weight:600;font-variant-numeric:tabular-nums}
.cell-label{display:none;font-size:12px;color:var(--t-3);margin-bottom:2px}
@media (max-width:767px){
  .flow-row{grid-template-columns:1fr;gap:14px;padding:18px}
  .flow-head{display:none}
  .cell-label{display:block}
}

/* ---------- cross links ---------- */
.cross-grid{display:grid;gap:16px;margin-top:26px}
@media (min-width:640px){.cross-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.cross-grid{grid-template-columns:repeat(4,1fr)}}
.cross-card{
  display:flex;flex-direction:column;justify-content:space-between;gap:14px;min-height:132px;
  padding:20px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  color:var(--t-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.cross-card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-h);border-color:#CFE0EA;color:var(--c-primary)}
.cross-card .cross-kicker{font-size:12px;font-weight:700;color:var(--c-accent);letter-spacing:.6px;font-variant-numeric:tabular-nums}
.cross-card .cross-name{font-size:17px;font-weight:600;line-height:1.5}
.cross-card .cross-go{font-size:13px;color:var(--t-3);display:inline-flex;align-items:center;gap:6px}
.cross-card:hover .cross-go{color:var(--c-primary)}
.cross-card.is-current{border-color:var(--c-primary);background:var(--c-primary-l)}
.cross-card.is-current .cross-go{color:var(--c-primary-d)}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--c-primary-l);
  border-radius:18px;padding:40px 26px;border:1px solid #CFE3EC;
}
@media (min-width:1024px){.cta-band{padding:52px 48px}}
.cta-band::before{
  content:"";position:absolute;right:-40px;top:-40px;width:320px;height:320px;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;opacity:.14;border-radius:50%;
}
.cta-inner{position:relative;display:grid;gap:22px;align-items:center}
@media (min-width:1024px){.cta-inner{grid-template-columns:1.4fr .6fr;gap:32px}}
.cta-title{font-size:clamp(22px,2.6vw,28px);font-weight:700;color:var(--t-1);line-height:1.35}
.cta-text{margin-top:10px;font-size:15px;color:var(--t-2);max-width:52ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-hint{margin-top:12px;font-size:13px;color:var(--t-3);display:flex;align-items:center;gap:8px}

/* ---------- footer ---------- */
.site-footer{background:#0C2233;color:#B7C6D4;padding:56px 0 28px;font-size:14px;line-height:1.8}
.footer-grid{display:grid;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.3fr 1fr 1fr 1.1fr;gap:40px}}
.footer-title{color:#fff;font-weight:600;font-size:15px;margin-bottom:14px}
.footer-desc{margin-top:14px;max-width:34em;color:#9DB0C1;font-size:13.5px}
.site-footer .brand-mark{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.2)}
.site-footer .brand-text{color:#fff}
.site-footer .brand-sub{color:#8FA3B5}
.footer-list li{margin-bottom:10px}
.footer-list a{color:#B7C6D4}
.footer-list a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#8FA3B5;
}