/* roulang page: index */
:root{
  --c-primary:#1E5BD6;
  --c-primary-600:#1748AE;
  --c-primary-50:#EDF3FF;
  --c-teal:#14A08A;
  --c-accent:#FF7A3D;
  --c-ink:#101B2E;
  --c-body:#4A586E;
  --c-muted:#8894A8;
  --c-line:#E3E9F2;
  --c-bg:#FFFFFF;
  --c-alt:#F5F8FC;
  --c-deep:#0F2B5B;
  --c-success:#12A150;
  --c-warn:#E8A33D;
  --c-error:#E5484D;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(16,27,46,.04),0 4px 12px rgba(16,27,46,.06);
  --sh-2:0 8px 24px rgba(16,27,46,.08);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.75;color:var(--c-body);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:3px solid rgba(30,91,214,.30);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;font-size:18px;font-weight:700;color:var(--c-ink);letter-spacing:-.02em}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--c-primary);color:#fff;display:grid;place-items:center;font-size:16px;font-weight:700;line-height:1}
.nav-main{display:flex;align-items:center;gap:26px;flex:1}
.nav-link{position:relative;display:inline-block;padding:8px 0;font-size:15px;font-weight:500;color:var(--c-body);transition:color .18s ease}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .2s ease}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--c-primary);font-weight:600}
.nav-link[aria-current="page"]::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1;padding:0 22px;height:40px;transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;white-space:nowrap}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-600);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn-ghost{background:#fff;border:1px solid var(--c-line);color:var(--c-ink)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-50)}
.btn-lg{height:48px;padding:0 28px;font-size:16px}
.btn-block{width:100%}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--c-primary);border-radius:10px;color:var(--c-primary);align-items:center;justify-content:center}
.nav-toggle svg{width:20px;height:20px}

/* drawer */
.drawer-mask{position:fixed;inset:0;background:rgba(16,27,46,.5);opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s;z-index:70}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:84%;max-width:340px;background:#fff;z-index:71;transform:translateX(102%);transition:transform .26s ease;display:flex;flex-direction:column;box-shadow:var(--sh-2)}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:60px;padding:0 18px;border-bottom:1px solid var(--c-line)}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--c-line);display:grid;place-items:center;color:var(--c-ink)}
.drawer-body{padding:14px 18px;overflow-y:auto;flex:1}
.drawer-link{display:block;padding:13px 4px;font-size:16px;font-weight:600;color:var(--c-ink);border-bottom:1px solid var(--c-line)}
.drawer-link:hover{color:var(--c-primary)}
.drawer-sub{padding:6px 4px;font-size:13px;color:var(--c-muted)}
.drawer-foot{padding:16px 18px;border-top:1px solid var(--c-line)}
.drawer-contact{margin-top:10px;font-size:13px;color:var(--c-muted);line-height:1.7}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--c-alt);padding:76px 0 88px;overflow:hidden}
.hero::after{content:"";position:absolute;right:-60px;bottom:-60px;width:360px;height:360px;background-image:radial-gradient(rgba(16,27,46,.16) 1.4px,transparent 1.4px);background-size:16px 16px;opacity:.22;pointer-events:none}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--c-primary-50);color:var(--c-primary);font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;margin-bottom:18px}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--c-teal);display:inline-block}
h1{font-size:40px;line-height:1.25;font-weight:700;letter-spacing:-.02em;color:var(--c-ink)}
.hero-sub{margin-top:16px;font-size:18px;font-weight:600;color:var(--c-primary);line-height:1.5}
.hero-desc{margin-top:12px;font-size:16px;color:var(--c-body);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag-chip{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--c-body);background:#fff;border:1px solid var(--c-line);border-radius:999px;padding:5px 13px}
.tag-chip svg{width:15px;height:15px;color:var(--c-teal);flex-shrink:0}
.hero-visual{position:relative}
.hero-img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--sh-2);background:var(--c-primary-50)}
.hero-float{position:absolute;right:-14px;bottom:-26px;display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-2);padding:14px;max-width:290px}
.hero-float img{width:54px;height:54px;border-radius:10px;object-fit:cover;flex-shrink:0;background:var(--c-primary-50)}
.hero-float span{font-size:13px;line-height:1.5;color:var(--c-body)}
.hero-float b{display:block;font-size:14px;color:var(--c-ink);margin-bottom:2px}

/* ---------- sections ---------- */
.section{padding:var(--sec) 0}
.section-alt{background:var(--c-alt)}
.section-head{max-width:760px;margin-bottom:36px}
.sec-title{position:relative;padding-left:48px;font-size:32px;line-height:1.3;font-weight:700;letter-spacing:-.02em;color:var(--c-ink)}
.sec-title::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:32px;height:4px;border-radius:2px;background:var(--c-primary)}
.sec-lead{margin-top:12px;font-size:16px;color:var(--c-body)}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}

/* question cards */
.q-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.q-card{position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px 24px 24px 28px;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease}
.q-card::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:3px;background:var(--c-primary)}
.q-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.q-card h3{font-size:18px;line-height:1.45;font-weight:600;color:var(--c-ink);margin-bottom:8px}
.q-card p{font-size:14px;line-height:1.7;color:var(--c-muted)}

/* solution asymmetric */
.sol-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:24px}
.sol-main{grid-row:span 2;background:#fff;border:1px solid var(--c-line);border-top:3px solid var(--c-primary);border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,opacity .18s}
.sol-main:hover,.sol-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.sol-icon{width:46px;height:46px;border-radius:12px;background:var(--c-primary-50);color:var(--c-primary);display:grid;place-items:center;margin-bottom:18px}
.sol-icon svg{width:24px;height:24px}
.sol-main h3{font-size:22px;line-height:1.4;font-weight:600;color:var(--c-ink);margin-bottom:12px}
.sol-main p{font-size:15px;color:var(--c-body);margin-bottom:18px}
.check-list li{position:relative;padding-left:22px;font-size:15px;line-height:1.9;color:var(--c-body)}
.check-list li::before{content:"";position:absolute;left:2px;top:12px;width:7px;height:7px;border-radius:50%;background:var(--c-teal)}
.sol-card{background:#fff;border:1px solid var(--c-line);border-top:3px solid var(--c-teal);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease}
.sol-card:nth-child(3){border-top-color:var(--c-accent)}
.sol-card h3{font-size:18px;font-weight:600;color:var(--c-ink);margin-bottom:8px}
.sol-card p{font-size:14px;line-height:1.7;color:var(--c-muted)}
.link-more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14px;font-weight:600;color:var(--c-primary)}
.link-more svg{width:16px;height:16px;transition:transform .18s ease}
.link-more:hover svg{transform:translateX(2px)}

/* stats band */
.stats{background:var(--c-deep);color:#fff;padding:56px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:8px 24px;border-left:1px solid rgba(255,255,255,.14)}
.stat:first-child{border-left:0;padding-left:0}
.stat b{display:block;font-size:44px;line-height:1.15;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat span{display:block;margin-top:6px;font-size:14px;color:rgba(255,255,255,.72)}

/* news */
.news-filter{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.filter-pill{font-size:14px;padding:7px 16px;border-radius:999px;background:#fff;border:1px solid var(--c-line);color:var(--c-body);transition:all .18s ease}
.filter-pill:hover{border-color:var(--c-primary);color:var(--c-primary)}
.filter-pill.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.news-thumb{overflow:hidden;aspect-ratio:16/9;background:var(--c-primary-50)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.badge{display:inline-flex;align-items:center;font-size:12px;line-height:1.5;padding:4px 10px;border-radius:999px;background:var(--c-primary-50);color:var(--c-primary);font-weight:600;align-self:flex-start}
.news-meta{display:flex;align-items:center;gap:8px;margin-top:12px;font-size:13px;color:var(--c-muted)}
.news-meta i{width:3px;height:3px;border-radius:50%;background:var(--c-muted);display:inline-block}
.news-card h3{font-size:18px;line-height:1.45;font-weight:600;color:var(--c-ink);margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card p{margin-top:8px;font-size:14px;line-height:1.7;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card .link-more{margin-top:auto;padding-top:14px}
.empty-state{padding:64px 24px;text-align:center;border:1px dashed var(--c-line);border-radius:var(--r-card);background:#fff}
.empty-state svg{width:34px;height:34px;color:var(--c-muted);margin:0 auto 14px}
.empty-state p{font-size:15px;color:var(--c-muted);margin-bottom:18px}

/* form */
.form-wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.form-panel{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-1)}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:8px}
.field .req{color:var(--c-accent);margin-left:4px}
.field input,.field select,.field textarea{width:100%;height:46px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-input);background:#fff;color:var(--c-ink);font-size:15px;transition:border-color .18s ease,box-shadow .18s ease}
.field textarea{height:118px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--c-muted)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(30,91,214,.16)}
.form-note{margin-top:12px;font-size:13px;line-height:1.7;color:var(--c-muted)}
.form-note a{color:var(--c-primary);font-weight:600}
.form-alert{margin-top:14px;font-size:14px;color:var(--c-success);display:none}
.form-alert.is-on{display:block}
.privacy{border:1px solid var(--c-line);background:#fff;border-radius:var(--r-card);padding:28px}
.privacy h3{font-size:18px;font-weight:600;color:var(--c-ink);margin-bottom:14px}
.privacy-item{display:flex;gap:12px;padding:14px 0;border-top:1px solid var(--c-line)}
.privacy-item:first-of-type{border-top:0;padding-top:0}
.privacy-item svg{width:20px;height:20px;color:var(--c-teal);flex-shrink:0;margin-top:3px}
.privacy-item b{display:block;font-size:15px;color:var(--c-ink);margin-bottom:4px}
.privacy-item span{font-size:14px;line-height:1.7;color:var(--c-body)}

/* faq */
.faq-list{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.faq-item{border-top:1px solid var(--c-line);transition:background .2s ease}
.faq-item:first-child{border-top:0}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;padding:18px 24px;font-size:17px;font-weight:600;color:var(--c-ink);min-height:60px}
.faq-q:hover{background:var(--c-primary-50)}
.faq-icon{position:relative;width:24px;height:24px;border:1px solid var(--c-line);border-radius:50%;flex-shrink:0;transition:all .2s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-body);border-radius:2px;transition:all .2s ease}
.faq-icon::before{left:6px;right:6px;top:11px;height:2px}
.faq-icon::after{top:6px;bottom:6px;left:11px;width:2px}
.faq-item.is-open{background:var(--c-primary-50)}
.faq-item.is-open .faq-icon{background:var(--c-primary);border-color:var(--c-primary)}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:#fff}
.faq-item.is-open .faq-icon::after{top:11px;bottom:11px;left:6px;right:6px;width:auto;height:2px;opacity:0}
.faq-a{display:none;padding:0 24px 20px;font-size:15px;line-height:1.8;color:var(--c-body)}
.faq-item.is-open .faq-a{display:block}

/* cta bar */
.cta-bar{background:var(--c-primary);border-radius:16px;padding:34px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;box-shadow:var(--sh-2)}
.cta-bar h2{font-size:24px;line-height:1.4;font-weight:700;color:#fff}
.cta-bar p{margin-top:6px;font-size:15px;color:rgba(255,255,255,.82)}
.cta-bar .btn{background:#fff;color:var(--c-primary)}
.cta-bar .btn:hover{background:var(--c-primary-50);transform:translateY(-1px)}

/* footer */
.site-footer{background:var(--c-deep);color:rgba(255,255,255,.75);padding:64px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand .logo{color:#fff}
.footer-brand .logo-mark{background:#fff;color:var(--c-deep)}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.7)}
.footer-contact{display:flex;flex-direction:column;gap:8px;margin-top:16px}
.footer-contact span{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.7)}
.footer-contact svg{width:16px;height:16px;color:var(--c-teal);flex-shrink:0}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;line-height:1.6;color:rgba(255,255,255,.75);transition:color .18s ease}
.footer-col a:hover{color:#fff}
.footer-note{font-size:14px;line-height:1.8;color:rgba(255,255,255,.7)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:20px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:#fff}

/* mobile bottom cta */
.mobile-cta{display:none}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 20px}
  h1{font-size:36px}
  .hero-grid{gap:40px}
}
@media (max-width:991px){
  :root{--sec:64px}
  .nav-main,.nav-actions .btn-ghost{display:none}
  .nav-toggle{display:flex}
  .nav-actions{flex:1;justify-content:flex-end}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero{padding:56px 0 72px}
  .hero-img{aspect-ratio:16/9}
  .hero-float{position:static;margin-top:16px;max-width:none}
  .sec-title{font-size:28px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .sol-grid{grid-template-columns:1fr}
  .sol-main{grid-row:auto}
  .form-wrap{grid-template-columns:1fr;gap:32px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:1px}
  .stat{padding:18px 20px;border-left:0;border-top:1px solid rgba(255,255,255,.14)}
  .stat:first-child,.stat:nth-child(2){border-top:0;padding-top:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .sec-head-row{flex-direction:column;align-items:flex-start;gap:14px}
}
@media (max-width:767px){
  h1{font-size:30px;line-height:1.3}
  .hero-sub{font-size:17px}
  .sec-title{font-size:24px;padding-left:40px}
  .sec-title::before{width:24px}
  .q-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:28px 24px}
  .cta-bar .btn{width:100%}
  .form-panel{padding:24px 20px}
  .faq-q{font-size:16px;padding:16px 18px}
  .faq-a{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr}
  .cta-bar h2{font-size:20px}
}
@media (max-width:575px){
  :root{--sec:48px}
  .nav-inner{height:60px}
  .logo{font-size:16px}
  .logo-mark{width:30px;height:30px;border-radius:9px;font-size:14px}
  h1{font-size:28px;line-height:1.34}
  h2{font-size:24px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat b{font-size:34px}
  body{padding-bottom:72px}
  .mobile-cta{position:fixed;left:0;right:0;bottom:0;z-index:65;display:flex;align-items:center;gap:12px;background:#fff;border-top:1px solid var(--c-line);padding:12px 16px;box-shadow:0 -6px 20px rgba(16,27,46,.08)}
  .mobile-cta .btn{flex:1}
  .mobile-cta span{font-size:12px;color:var(--c-muted);flex-shrink:0}
}

/* roulang page: article */
:root{
  --c-primary:#1E5BD6;--c-primary-600:#1748AE;--c-primary-50:#EDF3FF;
  --c-teal:#14A08A;--c-accent:#FF7A3D;
  --c-ink:#101B2E;--c-body:#4A586E;--c-muted:#8894A8;--c-line:#E3E9F2;
  --c-bg:#FFFFFF;--c-bg-alt:#F5F8FC;--c-deep:#0F2B5B;
  --c-ok:#12A150;--c-warn:#E8A33D;--c-err:#E5484D;
  --r-card:14px;--r-img:12px;--r-btn:10px;--r-input:10px;--r-pill:999px;--r-modal:16px;
  --sh-1:0 1px 2px rgba(16,27,46,.04),0 4px 12px rgba(16,27,46,.06);
  --sh-2:0 8px 24px rgba(16,27,46,.08);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:28px;color:var(--c-body);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{color:var(--c-ink);margin:0;letter-spacing:-.02em;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(30,91,214,.30);outline-offset:2px;border-radius:6px}
.container{max-width:var(--container);margin:0 auto;padding:0 20px;width:100%}

/* ===== header ===== */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--c-ink);letter-spacing:-.02em}
.logo-mark{
  width:32px;height:32px;border-radius:9px;background:var(--c-primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;line-height:1
}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--c-body);transition:color .18s ease,background .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-50)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--c-primary);font-weight:600}
.nav-link[aria-current="page"]::after{transform:scaleX(1)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--c-primary);
  background:#fff;color:var(--c-primary);align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle svg{width:22px;height:22px}

/* ===== buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.btn-primary:hover{background:var(--c-primary-600);border-color:var(--c-primary-600);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);background:var(--c-primary-600)}
.btn-ghost{background:#fff;color:var(--c-ink);border-color:var(--c-line)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-50)}
.btn-lg{height:48px;padding:0 28px;font-size:16px}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600;font-size:15px}
.link-arrow svg{width:16px;height:16px;transition:transform .18s ease}
.link-arrow:hover svg{transform:translateX(2px)}

/* ===== drawer ===== */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,27,46,.5);opacity:0;visibility:hidden;
  transition:opacity .22s ease,visibility .22s ease;z-index:90;
}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84%;max-width:360px;background:#fff;z-index:100;
  transform:translateX(100%);transition:transform .26s ease;display:flex;flex-direction:column;
  padding:20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--c-line);background:#fff;cursor:pointer;color:var(--c-ink)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:20px}
.drawer-nav a{padding:12px 10px;border-radius:10px;font-size:16px;font-weight:500;color:var(--c-ink)}
.drawer-nav a:hover{background:var(--c-primary-50);color:var(--c-primary)}
.drawer-foot{margin-top:auto;border-top:1px solid var(--c-line);padding-top:16px}

/* ===== breadcrumb / page head ===== */
.page-shell{padding:32px 0 96px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;line-height:20px;color:var(--c-muted);margin-bottom:22px}
.crumbs a:hover{color:var(--c-primary)}
.crumbs .sep{color:#C4CDDB}

/* ===== layout ===== */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start}
.article-main{min-width:0}

/* ===== article head ===== */
.article-head{
  background:var(--c-bg-alt);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:32px;margin-bottom:28px;
}
.badge-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:14px}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;line-height:18px;font-weight:600;background:var(--c-primary-50);color:var(--c-primary);
}
.badge-teal{background:rgba(20,160,138,.10);color:var(--c-teal)}
.article-title{font-size:40px;line-height:50px;font-weight:700;margin-bottom:16px;word-break:break-word}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:14px;line-height:22px;color:var(--c-muted)}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C4CDDB;display:inline-block}

/* ===== article body ===== */
.article-body{
  max-width:820px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:36px 36px 40px;box-shadow:var(--sh-1);
}
.article-body h2{font-size:22px;line-height:34px;font-weight:600;margin:34px 0 14px;padding-left:14px;position:relative}
.article-body h2::before{content:"";position:absolute;left:0;top:7px;width:4px;height:20px;border-radius:2px;background:var(--c-primary)}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:18px;line-height:28px;font-weight:600;margin:26px 0 10px}
.article-body p{font-size:16px;line-height:28px;color:var(--c-body);margin:0 0 18px}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:4px}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px;font-size:16px;line-height:28px}
.article-body ul li::before{content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:50%;background:var(--c-primary)}
.article-body ol{counter-reset:li;padding-left:0}
.article-body ol li{position:relative;padding-left:34px;margin-bottom:12px;font-size:16px;line-height:28px;counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:4px;width:22px;height:22px;border-radius:50%;
  background:var(--c-primary-50);color:var(--c-primary);font-size:12px;font-weight:700;line-height:22px;text-align:center;
}
.article-body blockquote{
  margin:22px 0;padding:20px;background:var(--c-bg-alt);border-left:3px solid var(--c-primary);
  border-radius:0 var(--r-card) var(--r-card) 0;color:var(--c-body);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:22px 0 8px;width:100%;object-fit:cover}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:13px;line-height:20px;color:var(--c-muted);text-align:center}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;line-height:24px;border:1px solid var(--c-line);border-radius:var(--r-img);overflow:hidden}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--c-line);text-align:left}
.article-body thead th{background:var(--c-bg-alt);color:var(--c-ink);font-weight:600}
.article-body tbody tr:nth-child(even){background:#FAFCFF}
.article-body a{color:var(--c-primary);font-weight:500}
.article-body a:hover{text-decoration:underline}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:30px 0}

/* empty state */
.empty-state{
  border:1px dashed var(--c-line);border-radius:var(--r-card);background:#fff;
  padding:64px 24px;text-align:center;
}
.empty-state svg{width:36px;height:36px;color:var(--c-muted);margin:0 auto 14px}
.empty-state p{font-size:15px;line-height:24px;color:var(--c-muted);margin-bottom:20px}

/* prev / next */
.pager{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:28px}
.pager a{
  display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.pager a:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CFDCF3}
.pager .pager-label{display:block;font-size:12px;line-height:18px;color:var(--c-muted);margin-bottom:8px;letter-spacing:.04em}
.pager .pager-title{display:block;font-size:16px;line-height:26px;font-weight:600;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pager .pager-na{opacity:.6;cursor:default}
.pager .pager-na:hover{transform:none;box-shadow:none;border-color:var(--c-line)}

/* related */
.section{margin-top:48px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.section-head h2{font-size:32px;line-height:42px;font-weight:700;padding-left:16px;position:relative}
.section-head h2::before{content:"";position:absolute;left:0;top:12px;width:4px;height:24px;border-radius:2px;background:var(--c-primary)}
.section-head .lead{font-size:15px;line-height:24px;color:var(--c-muted);margin-top:8px;padding-left:16px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.card-thumb{overflow:hidden;aspect-ratio:16/9;background:var(--c-primary-50)}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .card-thumb img{transform:scale(1.03)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.card-meta{display:flex;align-items:center;gap:10px;font-size:12px;line-height:18px;color:var(--c-muted);margin-bottom:10px}
.card-title{
  font-size:18px;line-height:26px;font-weight:600;color:var(--c-ink);margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-text{
  font-size:14px;line-height:22px;color:var(--c-muted);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body .link-arrow{margin-top:auto}

.back-cat{
  margin-top:32px;background:var(--c-bg-alt);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.back-cat p{font-size:15px;line-height:24px;color:var(--c-body);margin:0}

/* sidebar */
.sidebar{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px}
.side-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1)}
.side-card h3{font-size:16px;line-height:26px;font-weight:600;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--c-primary)}
.toc-list li{margin-bottom:2px}
.toc-list a{display:block;font-size:14px;line-height:22px;color:var(--c-body);padding:6px 0 6px 12px;border-left:2px solid var(--c-line);transition:color .18s ease,border-color .18s ease}
.toc-list a:hover,.toc-list a.is-active{color:var(--c-primary);border-left-color:var(--c-primary)}
.hot-list li a{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:22px;color:var(--c-body);padding:10px 0;border-bottom:1px dashed var(--c-line)}
.hot-list li:last-child a{border-bottom:0;padding-bottom:0}
.hot-list li a:hover{color:var(--c-primary)}
.hot-list .idx{color:var(--c-primary);font-weight:700;font-size:13px;line-height:22px;min-width:16px}
.side-cta{background:var(--c-deep);border:0;color:#fff}
.side-cta h3{color:#fff}
.side-cta h3::before{background:var(--c-accent)}
.side-cta p{font-size:14px;line-height:22px;color:rgba(255,255,255,.75);margin-bottom:16px}
.side-cta .btn-primary{background:var(--c-accent);border-color:var(--c-accent)}
.side-cta .btn-primary:hover{background:#E96A2D;border-color:#E96A2D}

/* mobile bottom cta */
.mobile-cta{display:none}

/* ===== footer ===== */
.site-footer{background:var(--c-deep);color:#fff;padding:64px 0 24px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.14)}
.footer-brand .logo{color:#fff;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:24px;color:rgba(255,255,255,.72);margin-bottom:16px;max-width:360px}
.footer-contact{display:flex;flex-direction:column;gap:10px}
.footer-contact span{display:inline-flex;align-items:center;gap:8px;font-size:14px;line-height:22px;color:rgba(255,255,255,.75)}
.footer-contact svg{width:17px;height:17px;color:var(--c-teal)}
.footer-col h4{font-size:15px;line-height:24px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;line-height:24px;color:rgba(255,255,255,.75);transition:color .18s ease}
.footer-col ul a:hover{color:#fff}
.footer-note{font-size:13px;line-height:22px;color:rgba(255,255,255,.62)}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
  padding-top:22px;font-size:13px;line-height:20px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.75)}
.footer-bottom a:hover{color:#fff}

/* ===== responsive ===== */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 290px;gap:28px}
  .card-grid{gap:20px}
}
@media (max-width:991px){
  .article-layout{grid-template-columns:1fr}
  .sidebar{position:static;order:2}
  .article-title{font-size:32px;line-height:42px}
  .section-head h2{font-size:26px;line-height:36px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .page-shell{padding:24px 0 64px}
}
@media (max-width:900px){
  .nav-main{display:none}
  .nav-actions .btn-primary{display:none}
  .nav-toggle{display:inline-flex}
}
@media (max-width:767px){
  .nav-inner{height:60px}
  .article-head{padding:22px}
  .article-body{padding:22px 20px 26px}
  .pager{grid-template-columns:1fr}
  .back-cat{padding:20px}
  .section{margin-top:36px}
}
@media (max-width:575px){
  .container{padding:0 16px}
  .article-title{font-size:28px;line-height:36px}
  .article-body h2{font-size:20px;line-height:30px}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding:48px 0 20px}
  .page-shell{padding-bottom:72px}
  .mobile-cta{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;gap:12px;
    padding:12px 16px;background:#fff;border-top:1px solid var(--c-line);box-shadow:var(--sh-2);
  }
  .mobile-cta .btn{flex:1}
  body{padding-bottom:72px}
}

/* roulang page: category2 */
:root{
  --c-primary:#1E5BD6;
  --c-primary-600:#1748AE;
  --c-primary-50:#EDF3FF;
  --c-teal:#14A08A;
  --c-accent:#FF7A3D;
  --c-ink:#101B2E;
  --c-body:#4A586E;
  --c-muted:#8894A8;
  --c-line:#E3E9F2;
  --c-white:#FFFFFF;
  --c-alt:#F5F8FC;
  --c-deep:#0F2B5B;
  --c-ok:#12A150;
  --c-warn:#E8A33D;
  --c-err:#E5484D;
  --sh-1:0 1px 2px rgba(16,27,46,.04), 0 4px 12px rgba(16,27,46,.06);
  --sh-2:0 8px 24px rgba(16,27,46,.08);
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:10px;
  --r-pill:999px;
  --sec:96px;
  --font:-apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, 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:28px;
  color:var(--c-body);
  background:var(--c-white);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-primary-600)}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{color:var(--c-ink);margin:0;letter-spacing:-.02em;line-height:1.25}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--c-ink)}
:focus-visible{outline:3px solid rgba(30,91,214,.30);outline-offset:2px;border-radius:6px}

.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-white);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--c-ink);font-size:18px;font-weight:700;letter-spacing:-.02em;
  white-space:nowrap;
}
.logo:hover{color:var(--c-ink)}
.logo-mark{
  width:32px;height:32px;border-radius:9px;
  background:var(--c-primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;
}
.nav-main{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;
  display:inline-block;
  padding:9px 14px;border-radius:8px;
  color:var(--c-body);font-size:15px;font-weight:500;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--c-primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-50)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--c-primary);font-weight:600;background:var(--c-primary-50)}
.nav-link[aria-current="page"]::after{transform:scaleX(1)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:42px;height:40px;border-radius:var(--r-btn);
  border:1px solid var(--c-primary);background:var(--c-white);color:var(--c-primary);
  align-items:center;justify-content:center;
}
.nav-toggle svg{width:20px;height:20px}
.nav-toggle:hover{background:var(--c-primary-50)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-600);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:var(--c-white);color:var(--c-ink);border-color:var(--c-line)}
.btn-ghost:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-50)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px}
.link-arrow svg{width:15px;height:15px;transition:transform .18s ease}
.link-arrow:hover svg{transform:translateX(3px)}

/* ---------- Section basics ---------- */
.section{padding:var(--sec) 0}
.section-alt{background:var(--c-alt)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;line-height:18px;font-weight:600;letter-spacing:.06em;
  color:var(--c-primary);background:var(--c-primary-50);
  padding:5px 12px;border-radius:var(--r-pill);margin-bottom:16px;
}
.h2-line{position:relative;padding-left:0}
.section-title{font-size:32px;line-height:42px;font-weight:700}
.section-title::before{
  content:"";display:block;width:32px;height:4px;border-radius:2px;
  background:var(--c-primary);margin-bottom:16px;
}
.center .section-title::before{margin-left:auto;margin-right:auto}
.section-sub{margin-top:14px;font-size:16px;line-height:28px;color:var(--c-body)}

/* ---------- Hero ---------- */
.page-hero{position:relative;isolation:isolate;overflow:hidden;background:var(--c-deep)}
.page-hero__media{position:absolute;inset:0;z-index:-2}
.page-hero__media img{width:100%;height:100%;object-fit:cover}
.page-hero__veil{position:absolute;inset:0;z-index:-1;background:rgba(15,43,91,.78)}
.page-hero .container{padding-top:88px;padding-bottom:80px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;line-height:20px;color:rgba(255,255,255,.72);margin-bottom:20px;flex-wrap:wrap}
.crumbs a{color:rgba(255,255,255,.85)}
.crumbs a:hover{color:#fff}
.crumbs span{opacity:.6}
.page-hero h1{color:#fff;font-size:40px;line-height:52px;font-weight:700;max-width:820px}
.page-hero .hero-sub{margin-top:18px;font-size:18px;line-height:30px;color:rgba(255,255,255,.85);max-width:720px}
.page-hero .hero-desc{margin-top:12px;font-size:15px;line-height:26px;color:rgba(255,255,255,.7);max-width:680px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:var(--r-pill);
  font-size:13px;line-height:20px;font-weight:500;
}
.badge-light{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.24)}
.badge-soft{background:var(--c-primary-50);color:var(--c-primary)}
.badge-teal{background:rgba(20,160,138,.12);color:var(--c-teal)}
.hero-badges svg{width:14px;height:14px}

/* ---------- Quick facts strip ---------- */
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:-52px;position:relative;z-index:5}
.fact-card{
  background:var(--c-white);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);border-top:3px solid var(--c-primary);
}
.fact-card h3{font-size:18px;line-height:26px;font-weight:600;margin-bottom:10px}
.fact-card p{font-size:14px;line-height:24px;color:var(--c-muted)}
.fact-card .fact-num{font-size:28px;line-height:1.2;font-weight:700;color:var(--c-ink);font-variant-numeric:tabular-nums;display:block;margin-bottom:6px}

/* ---------- Z rows ---------- */
.z-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.z-row + .z-row{margin-top:72px}
.z-media{overflow:hidden;border-radius:var(--r-img);box-shadow:var(--sh-1);background:var(--c-primary-50)}
.z-media img{width:100%;height:320px;object-fit:cover;border-radius:var(--r-img);transition:transform .3s ease}
.z-media:hover img{transform:scale(1.03)}
.z-row--flip .z-media{order:2}
.z-row--flip .z-text{order:1}
.z-text h3{font-size:24px;line-height:34px;font-weight:600;margin-bottom:14px}
.z-text p{font-size:16px;line-height:28px;color:var(--c-body)}
.z-list{margin-top:18px;display:grid;gap:12px}
.z-list li{position:relative;padding-left:24px;font-size:15px;line-height:26px;color:var(--c-body)}
.z-list li::before{
  content:"";position:absolute;left:6px;top:11px;width:7px;height:7px;border-radius:50%;
  background:var(--c-primary);
}
.z-tag{margin-bottom:14px}

/* ---------- Metrics band ---------- */
.metrics{background:var(--c-deep);padding:56px 0}
.metrics-grid{display:grid;grid-template-columns:repeat(3,1fr)}
.metric{padding:8px 28px;border-left:1px solid rgba(255,255,255,.14)}
.metric:first-child{border-left:0;padding-left:0}
.metric-num{font-size:44px;line-height:52px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums}
.metric-label{margin-top:8px;font-size:14px;line-height:22px;color:rgba(255,255,255,.72)}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:8px}
.step{
  position:relative;background:var(--c-white);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#d5e0f2}
.step-num{
  width:40px;height:40px;border-radius:50%;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;
  font-variant-numeric:tabular-nums;margin-bottom:18px;
}
.step h3{font-size:18px;line-height:26px;font-weight:600;margin-bottom:10px}
.step p{font-size:15px;line-height:26px;color:var(--c-body)}
.step .step-note{margin-top:12px;font-size:13px;line-height:22px;color:var(--c-muted)}

/* ---------- Checklist ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:36px}
.check-item{
  display:flex;gap:14px;background:var(--c-white);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.check-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.check-icon{
  flex:0 0 auto;width:36px;height:36px;border-radius:10px;
  background:var(--c-primary-50);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
}
.check-icon svg{width:18px;height:18px}
.check-item h4{font-size:16px;line-height:26px;font-weight:600;margin-bottom:6px}
.check-item p{font-size:14px;line-height:24px;color:var(--c-body)}

/* ---------- FAQ ---------- */
.faq-list{background:var(--c-white);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.faq-item + .faq-item{border-top:1px solid var(--c-line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 24px;min-height:60px;background:transparent;border:0;text-align:left;
  font-size:17px;line-height:26px;font-weight:600;color:var(--c-ink);
  transition:background .2s ease,color .2s ease;
}
.faq-q:hover{background:var(--c-primary-50);color:var(--c-primary)}
.faq-item.is-open .faq-q{background:var(--c-primary-50);color:var(--c-primary)}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.faq-icon svg{width:14px;height:14px}
.faq-item.is-open .faq-icon{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a__inner{padding:0 24px 20px;font-size:15px;line-height:26px;color:var(--c-body)}

/* ---------- Form ---------- */
.form-wrap{display:grid;grid-template-columns:1fr 1.15fr;gap:48px;align-items:start}
.form-side h2{font-size:32px;line-height:42px;font-weight:700}
.form-side p{margin-top:16px;font-size:16px;line-height:28px;color:var(--c-body)}
.form-side .side-list{margin-top:24px;display:grid;gap:12px}
.form-side .side-list li{display:flex;gap:10px;font-size:15px;line-height:26px;color:var(--c-body)}
.form-side .side-list svg{flex:0 0 auto;width:18px;height:18px;margin-top:4px;color:var(--c-teal)}
.form-card{
  background:var(--c-white);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;line-height:22px;font-weight:600;color:var(--c-ink);margin-bottom:8px}
.req{color:var(--c-accent);margin-left:2px}
.field input,.field textarea,.field select{
  width:100%;height:46px;padding:0 14px;
  border:1px solid var(--c-line);border-radius:var(--r-input);background:var(--c-white);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:118px;padding:12px 14px;line-height:24px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--c-muted)}
.field input:focus,.field textarea:focus,.field select:focus{
  border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(30,91,214,.16);outline:none;
}
.field.has-error input,.field.has-error textarea{border-color:var(--c-err)}
.field-error{display:none;margin-top:6px;font-size:13px;line-height:20px;color:var(--c-err)}
.field.has-error .field-error{display:block}
.form-foot{display:flex;flex-direction:column;gap:12px;margin-top:6px}
.form-foot .btn{width:100%}
.privacy-hint{font-size:13px;line-height:20px;color:var(--c-muted)}
.form-status{
  display:none;margin-top:16px;padding:12px 14px;border-radius:var(--r-input);
  font-size:14px;line-height:22px;background:#EAF8F0;color:#0E7A3E;border:1px solid #BFE7D0;
}
.form-status.is-visible{display:block}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--c-primary);border-radius:var(--r-card);
  padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:26px;line-height:36px;font-weight:700}
.cta-band p{color:rgba(255,255,255,.85);font-size:15px;line-height:26px;margin-top:8px}
.cta-band .btn-white{background:#fff;color:var(--c-primary)}
.cta-band .btn-white:hover{background:#EAF1FF;color:var(--c-primary-600);transform:translateY(-1px)}

/* ---------- Privacy ---------- */
.privacy-block{
  margin-top:32px;background:var(--c-alt);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:24px;
}
.privacy-block h3{display:flex;align-items:center;gap:10px;font-size:16px;line-height:26px;font-weight:600;margin-bottom:14px}
.privacy-block h3 svg{width:18px;height:18px;color:var(--c-primary)}
.privacy-block dl{display:grid;gap:12px;margin:0}
.privacy-block dt{font-size:14px;line-height:22px;font-weight:600;color:var(--c-ink)}
.privacy-block dd{margin:4px 0 0;font-size:14px;line-height:24px;color:var(--c-body)}

/* ---------- Footer ---------- */
.site-footer{background:var(--c-deep);color:rgba(255,255,255,.75);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:24px;color:rgba(255,255,255,.72);max-width:320px}
.footer-contact{margin-top:18px;display:grid;gap:10px}
.footer-contact span{display:inline-flex;align-items:center;gap:8px;font-size:14px;line-height:22px;color:rgba(255,255,255,.72)}
.footer-contact svg{width:16px;height:16px;flex:0 0 auto}
.footer-col h4{color:#fff;font-size:15px;line-height:24px;font-weight:600;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:rgba(255,255,255,.75);font-size:14px;line-height:24px}
.footer-col a:hover{color:#fff}
.footer-note{font-size:14px;line-height:24px;color:rgba(255,255,255,.68)}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;line-height:22px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.7)}
.footer-bottom a:hover{color:#fff}

/* ---------- Drawer & mobile CTA ---------- */
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:84%;max-width:360px;
  background:var(--c-white);z-index:80;box-shadow:var(--sh-2);
  transform:translateX(102%);transition:transform .26s ease;
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{width:32px;height:32px;border-radius:10px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink);display:flex;align-items:center;justify-content:center}
.drawer-close svg{width:16px;height:16px}
.drawer-links{display:grid;gap:6px;margin-bottom:20px}
.drawer-links a{padding:12px 14px;border-radius:10px;font-size:16px;font-weight:500;color:var(--c-ink)}
.drawer-links a:hover,.drawer-links a[aria-current="page"]{background:var(--c-primary-50);color:var(--c-primary)}
.drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--c-line);display:grid;gap:12px}
.drawer-foot .btn{width:100%}
.drawer-contact{font-size:13px;line-height:22px;color:var(--c-muted)}
.scrim{position:fixed;inset:0;background:rgba(16,27,46,.5);z-index:70;opacity:0;visibility:hidden;transition:opacity .2s ease}
.scrim.is-open{opacity:1;visibility:visible}
.mobile-cta{display:none}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 20px}
  .page-hero h1{font-size:36px;line-height:46px}
}
@media (max-width:991px){
  :root{--sec:64px}
  .nav-main{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn-primary{display:none}
  .facts{grid-template-columns:repeat(2,1fr);margin-top:32px}
  .z-row{grid-template-columns:1fr;gap:28px}
  .z-row--flip .z-media{order:0}
  .z-row--flip .z-text{order:0}
  .z-row + .z-row{margin-top:56px}
  .z-media img{height:260px}
  .metrics-grid{grid-template-columns:1fr;gap:0}
  .metric{border-left:0;border-top:1px solid rgba(255,255,255,.14);padding:20px 0}
  .metric:first-child{border-top:0;padding-top:0}
  .steps{grid-template-columns:1fr;gap:16px}
  .check-grid{grid-template-columns:1fr}
  .form-wrap{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section-title{font-size:28px;line-height:38px}
  .page-hero .container{padding-top:64px;padding-bottom:60px}
}
@media (max-width:767px){
  .page-hero h1{font-size:28px;line-height:38px}
  .page-hero .hero-sub{font-size:16px;line-height:28px}
  .facts{grid-template-columns:1fr}
  .cta-band{padding:28px 22px;flex-direction:column;align-items:flex-start}
  .cta-band .btn{width:100%}
  .faq-q{font-size:16px;padding:16px 18px;min-height:56px}
  .faq-a__inner{padding:0 18px 18px}
  .form-card{padding:22px 18px}
}
@media (max-width:575px){
  :root{--sec:48px}
  .page-hero h1{font-size:28px;line-height:36px}
  .section-title{font-size:24px;line-height:34px}
  .metric-num{font-size:36px;line-height:44px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px;padding-bottom:12px}
  body{padding-bottom:72px}
  .mobile-cta{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:65;
    padding:10px 16px;background:#fff;border-top:1px solid var(--c-line);
    box-shadow:0 -4px 16px rgba(16,27,46,.08);
  }
  .mobile-cta .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --c-primary:#1E5BD6;
  --c-primary-600:#1748AE;
  --c-primary-50:#EDF3FF;
  --c-teal:#14A08A;
  --c-accent:#FF7A3D;
  --c-ink:#101B2E;
  --c-body:#4A586E;
  --c-muted:#8894A8;
  --c-line:#E3E9F2;
  --c-white:#FFFFFF;
  --c-bg-alt:#F5F8FC;
  --c-deep:#0F2B5B;
  --c-success:#12A150;
  --c-warn:#E8A33D;
  --c-error:#E5484D;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:10px;
  --r-modal:16px;
  --sh-1:0 1px 2px rgba(16,27,46,.04), 0 4px 12px rgba(16,27,46,.06);
  --sh-2:0 8px 24px rgba(16,27,46,.08);
  --sec:96px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-body);
  background:var(--c-white);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-600);}
button{font:inherit;color:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:-0.02em;line-height:1.3;}
h1{font-size:40px;font-weight:700;}
h2{font-size:32px;font-weight:700;line-height:1.31;}
h3{font-size:20px;font-weight:600;line-height:1.5;}
h4{font-size:18px;font-weight:600;line-height:1.44;}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(30,91,214,.30);outline-offset:2px;border-radius:4px;}
.container{max-width:var(--container);margin:0 auto;padding:0 20px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;background:transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;transition:transform .18s ease;}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 1px 2px rgba(30,91,214,.24);}
.btn-primary:hover{background:var(--c-primary-600);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);background:var(--c-primary-600);}
.btn-ghost{background:#fff;color:var(--c-ink);border-color:var(--c-line);}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-50);}
.btn-ghost:active{background:#E2EBFD;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;}
.btn-block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary);}
.link-arrow svg{width:15px;height:15px;transition:transform .18s ease;}
.link-arrow:hover svg{transform:translateX(3px);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--c-ink);letter-spacing:-0.02em;}
.logo:hover{color:var(--c-ink);}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:9px;
  background:var(--c-primary);color:#fff;
  font-size:16px;font-weight:700;line-height:1;
  box-shadow:0 2px 6px rgba(30,91,214,.28);
}
.nav-main{display:flex;align-items:center;gap:4px;margin-right:auto;}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--c-body);
  transition:color .18s ease,background-color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--c-primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left center;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-50);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link[aria-current="page"]{color:var(--c-primary);font-weight:600;}
.nav-link[aria-current="page"]::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:var(--r-btn);
  border:1px solid var(--c-primary);background:#fff;color:var(--c-primary);
}
.nav-toggle svg{width:22px;height:22px;}
.nav-toggle:hover{background:var(--c-primary-50);}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;z-index:80;background:rgba(16,27,46,.5);
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:90;
  width:84%;max-width:360px;background:#fff;
  transform:translateX(100%);transition:transform .26s ease;
  display:flex;flex-direction:column;
  padding:20px 20px 24px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--c-line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-body);
}
.drawer-close svg{width:18px;height:18px;}
.drawer-links{display:flex;flex-direction:column;gap:2px;margin-bottom:22px;}
.drawer-links a{padding:12px 10px;border-radius:10px;font-size:16px;font-weight:500;color:var(--c-ink);}
.drawer-links a:hover{background:var(--c-primary-50);color:var(--c-primary);}
.drawer-links a[aria-current="page"]{color:var(--c-primary);background:var(--c-primary-50);}
.drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--c-line);display:flex;flex-direction:column;gap:12px;}
.drawer-foot .meta{font-size:13px;color:var(--c-muted);line-height:1.7;}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);}
.breadcrumb a{color:var(--c-muted);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb span.sep{color:#C3CBDA;}

/* ============ 内页 Banner ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:52px 0 56px;background:var(--c-bg-alt);
  border-bottom:1px solid var(--c-line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
  opacity:.16;
}
.page-hero::after{
  content:"";position:absolute;right:-60px;bottom:-60px;width:320px;height:320px;
  background-image:radial-gradient(var(--c-primary) 1.5px, transparent 1.5px);
  background-size:16px 16px;opacity:.06;pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.page-hero .breadcrumb{margin-bottom:20px;}
.page-hero h1{max-width:820px;margin-bottom:16px;}
.page-hero .hero-lead{max-width:720px;font-size:17px;line-height:1.8;color:var(--c-body);margin-bottom:24px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px;}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12px;line-height:1.5;font-weight:500;
  background:var(--c-primary-50);color:var(--c-primary);
}
.badge svg{width:14px;height:14px;}
.badge-teal{background:rgba(20,160,138,.1);color:var(--c-teal);}
.badge-outline{background:#fff;border:1px solid var(--c-line);color:var(--c-body);}

/* ============ 通用板块 ============ */
.section{padding:var(--sec) 0;}
.section-alt{background:var(--c-bg-alt);}
.sec-head{max-width:760px;margin-bottom:36px;}
.sec-head h2{position:relative;padding-left:20px;margin-bottom:14px;}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:32px;
  background:var(--c-primary);border-radius:2px;
}
.sec-head p{font-size:16px;color:var(--c-body);}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.sec-head-row .sec-head{margin-bottom:0;}

/* ============ 左锚点 + 右内容 布局 ============ */
.layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:56px;align-items:start;}
.side-nav{position:sticky;top:96px;}
.side-nav-inner{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px 16px;box-shadow:var(--sh-1);
}
.side-nav-title{
  font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--c-muted);
  text-transform:uppercase;margin-bottom:12px;padding:0 10px;
}
.side-nav ul{display:flex;flex-direction:column;gap:2px;}
.side-nav a{
  display:block;position:relative;
  padding:10px 10px 10px 16px;border-radius:8px;
  font-size:15px;color:var(--c-body);
  transition:background-color .18s ease,color .18s ease;
}
.side-nav a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
  width:3px;height:20px;border-radius:2px;background:var(--c-primary);
  transition:transform .2s ease;
}
.side-nav a:hover{background:var(--c-primary-50);color:var(--c-primary);}
.side-nav a.is-active{background:var(--c-primary-50);color:var(--c-primary);font-weight:600;}
.side-nav a.is-active::before{transform:translateY(-50%) scaleY(1);}
.side-nav-note{
  margin-top:16px;padding:16px 12px 4px;border-top:1px solid var(--c-line);
  font-size:13px;line-height:1.7;color:var(--c-muted);
}

.content-flow{display:flex;flex-direction:column;gap:var(--sec);}
.flow-block > h2{margin-bottom:16px;}
.flow-block > .lead{font-size:16.5px;line-height:1.85;color:var(--c-body);max-width:760px;}

/* 图文卡（图左文右） */
.media-card{
  display:grid;grid-template-columns:300px minmax(0,1fr);gap:28px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.media-card + .media-card{margin-top:20px;}
.media-thumb{
  position:relative;overflow:hidden;border-radius:var(--r-img);
  background:var(--c-primary-50);aspect-ratio:16/10;
}
.media-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.media-card:hover .media-thumb img{transform:scale(1.03);}
.media-body h3{margin-bottom:10px;}
.media-body p{font-size:15px;line-height:1.8;}
.media-points{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.media-points li{position:relative;padding-left:18px;font-size:14px;line-height:1.7;color:var(--c-body);}
.media-points li::before{
  content:"";position:absolute;left:2px;top:.62em;
  width:6px;height:6px;border-radius:50%;background:var(--c-teal);
}
.media-tag{margin-bottom:10px;}

/* 要点清单 */
.check-panel{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--sh-1);
}
.check-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 24px;margin-top:20px;}
.check-list li{display:flex;gap:12px;font-size:15px;line-height:1.75;color:var(--c-body);}
.check-list .tick{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  width:22px;height:22px;margin-top:3px;border-radius:50%;
  background:var(--c-primary-50);color:var(--c-primary);
}
.check-list .tick svg{width:13px;height:13px;}

/* 数据带 */
.stats-band{background:var(--c-deep);padding:44px 0;color:#fff;}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));}
.stat{padding:0 24px;border-left:1px solid rgba(255,255,255,.14);}
.stat:first-child{border-left:0;padding-left:0;}
.stat-num{
  font-size:44px;line-height:1.18;font-weight:700;color:#fff;
  font-variant-numeric:tabular-nums;letter-spacing:-0.02em;
}
.stat-num small{font-size:20px;font-weight:600;margin-left:2px;}
.stat-label{margin-top:8px;font-size:14px;line-height:1.6;color:rgba(255,255,255,.72);}

/* 时间线 */
.timeline{display:flex;flex-direction:column;gap:0;border-left:2px solid var(--c-line);margin-top:8px;}
.timeline-item{position:relative;padding:0 0 28px 28px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";position:absolute;left:-9px;top:6px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--c-primary);
}
.timeline-item h4{margin-bottom:6px;font-size:17px;}
.timeline-item p{font-size:15px;line-height:1.8;color:var(--c-body);}
.timeline-time{
  display:inline-block;margin-bottom:6px;padding:3px 10px;border-radius:999px;
  background:var(--c-primary-50);color:var(--c-primary);font-size:12px;font-weight:600;
}

/* 表单区 */
.assist-wrap{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-1);
}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:24px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field-full{grid-column:1 / -1;}
.field label{font-size:14px;font-weight:600;color:var(--c-ink);}
.field .req{color:var(--c-accent);margin-left:3px;}
.field input,.field select,.field textarea{
  width:100%;padding:0 14px;height:46px;
  border:1px solid var(--c-line);border-radius:var(--r-input);
  background:#fff;font-size:15px;color:var(--c-ink);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;min-height:118px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:var(--c-muted);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(30,91,214,.18);
}
.field-hint{font-size:13px;line-height:1.6;color:var(--c-muted);}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:24px;}
.form-foot .privacy-tip{font-size:13px;line-height:1.6;color:var(--c-muted);}
.form-foot .privacy-tip a{color:var(--c-primary);}
.form-alert{
  display:none;margin-top:16px;padding:12px 16px;border-radius:10px;
  font-size:14px;line-height:1.7;
}
.form-alert.is-success{display:block;background:rgba(18,161,80,.08);color:#0E7C3E;border:1px solid rgba(18,161,80,.24);}
.form-alert.is-error{display:block;background:rgba(229,72,77,.07);color:#B3262A;border:1px solid rgba(229,72,77,.22);}

/* 隐私说明 */
.privacy-card{
  background:var(--c-bg-alt);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;margin-top:28px;
}
.privacy-card h3{margin-bottom:8px;font-size:18px;}
.privacy-intro{font-size:14px;line-height:1.8;color:var(--c-body);margin-bottom:18px;}
.privacy-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 24px;}
.privacy-list li{display:flex;gap:10px;font-size:14px;line-height:1.75;color:var(--c-body);}
.privacy-list .ico{
  flex:0 0 auto;width:20px;height:20px;margin-top:3px;color:var(--c-primary);
}
.privacy-list .ico svg{width:20px;height:20px;}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;transition:background-color .2s ease,border-color .2s ease;
}
.faq-item.is-open{background:var(--c-primary-50);border-color:#CFDDF8;}
.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;
  font-size:17px;font-weight:600;line-height:1.6;color:var(--c-ink);
}
.faq-q:hover{color:var(--c-primary);}
.faq-icon{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  width:26px;height:26px;border-radius:50%;border:1px solid var(--c-line);
  background:#fff;color:var(--c-primary);transition:background-color .2s ease,color .2s ease;
}
.faq-icon svg{width:14px;height:14px;}
.faq-item.is-open .faq-icon{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.faq-a{display:none;padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--c-body);}
.faq-item.is-open .faq-a{display:block;}

/* CTA 窄条 */
.cta-band{background:var(--c-primary);color:#fff;padding:44px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:26px;margin-bottom:6px;letter-spacing:-0.02em;}
.cta-band p{color:rgba(255,255,255,.82);font-size:15px;margin:0;}
.cta-band .btn-ghost{background:#fff;border-color:#fff;color:var(--c-primary);}
.cta-band .btn-ghost:hover{background:#EDF3FF;color:var(--c-primary-600);border-color:#EDF3FF;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-deep);color:rgba(255,255,255,.75);padding:64px 0 28px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand .logo{color:#fff;margin-bottom:16px;font-size:18px;}
.footer-brand .logo:hover{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);max-width:320px;margin-bottom:18px;}
.footer-contact{display:flex;flex-direction:column;gap:10px;}
.footer-contact span{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.7);}
.footer-contact svg{width:16px;height:16px;flex:0 0 auto;color:rgba(255,255,255,.55);}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;line-height:1.6;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:rgba(255,255,255,.75);font-size:14px;line-height:1.6;}
.footer-col a:hover{color:#fff;}
.footer-note{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.66);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:#fff;}

/* 移动端底部固定 CTA */
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));
  background:rgba(255,255,255,.96);
  border-top:1px solid var(--c-line);
  box-shadow:0 -4px 16px rgba(16,27,46,.08);
}
.mobile-cta .btn{height:46px;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sec:80px;}
  .layout{grid-template-columns:220px minmax(0,1fr);gap:36px;}
  .media-card{grid-template-columns:260px minmax(0,1fr);}
}
@media (max-width:991px){
  :root{--sec:64px;}
  h1{font-size:34px;}
  h2{font-size:28px;}
  .nav-main{display:none;}
  .nav-toggle{display:inline-flex;}
  .layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .side-nav{position:static;top:auto;}
  .side-nav-inner{padding:16px;overflow-x:auto;}
  .side-nav ul{flex-direction:row;gap:8px;}
  .side-nav a{padding:8px 14px;white-space:nowrap;border:1px solid var(--c-line);}
  .side-nav a::before{display:none;}
  .side-nav a.is-active{border-color:var(--c-primary);}
  .side-nav-note{display:none;}
  .media-card{grid-template-columns:minmax(0,1fr);gap:18px;}
  .media-thumb{aspect-ratio:16/9;}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 0;}
  .stat{padding:0 20px;}
  .stat:nth-child(3){border-left:0;padding-left:0;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .footer-brand p{max-width:none;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  h1{font-size:30px;}
  h2{font-size:25px;}
  .form-grid{grid-template-columns:minmax(0,1fr);gap:16px;}
  .check-list{grid-template-columns:minmax(0,1fr);}
  .privacy-list{grid-template-columns:minmax(0,1fr);}
  .assist-wrap{padding:24px 20px;}
  .privacy-card{padding:22px 20px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .sec-head-row{flex-direction:column;align-items:flex-start;gap:12px;}
  .faq-q{font-size:16px;padding:16px 18px;}
  .faq-a{padding:0 18px 18px;}
  .stats-band{padding:36px 0;}
  .stat-num{font-size:36px;}
}
@media (max-width:575px){
  h1{font-size:28px;line-height:1.29;}
  h2{font-size:24px;line-height:1.4;}
  h3{font-size:18px;}
  .section{padding:48px 0;}
  .page-hero{padding:36px 0 40px;}
  .page-hero .hero-lead{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .nav-inner{height:60px;gap:12px;}
  .logo{font-size:17px;}
  .logo-mark{width:28px;height:28px;font-size:14px;}
  .nav-actions .btn-primary{display:none;}
  body{padding-bottom:72px;}
  .mobile-cta{display:block;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .footer-bottom{flex-direction:column;}
  .media-card{padding:18px;}
  .check-panel{padding:22px 18px;}
  .stat-num{font-size:32px;line-height:1.25;}
}

/* roulang page: category3 */
:root{
  --c-primary:#1E5BD6;
  --c-primary-600:#1748AE;
  --c-primary-50:#EDF3FF;
  --c-teal:#14A08A;
  --c-accent:#FF7A3D;
  --c-ink:#101B2E;
  --c-body:#4A586E;
  --c-muted:#8894A8;
  --c-line:#E3E9F2;
  --c-deep:#0F2B5B;
  --c-bg-alt:#F5F8FC;
  --c-success:#12A150;
  --c-warn:#E8A33D;
  --c-error:#E5484D;
  --sh-1:0 1px 2px rgba(16,27,46,.04), 0 4px 12px rgba(16,27,46,.06);
  --sh-2:0 8px 24px rgba(16,27,46,.08);
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:10px;
  --r-pill:999px;
  --r-modal:16px;
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:28px;
  color:var(--c-body);
  background:#fff;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit}
button{cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:-.02em;font-weight:700}
h1{font-size:40px;line-height:50px}
h2{font-size:32px;line-height:42px}
h3{font-size:20px;line-height:30px;font-weight:600}
h4{font-size:15px;line-height:24px;font-weight:600}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
svg{display:block}
::selection{background:var(--c-primary-50);color:var(--c-primary-600)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:var(--sec) 0}
.section-alt{background:var(--c-bg-alt)}
.sec-head{max-width:760px;margin-bottom:36px}
.sec-head h2{position:relative;padding-left:44px}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:32px;height:4px;border-radius:2px;background:var(--c-primary);
}
.sec-head .lead{margin-top:12px;font-size:16px;line-height:28px;color:var(--c-body)}
.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}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--c-ink);white-space:nowrap}
.logo-mark{
  width:32px;height:32px;border-radius:9px;background:var(--c-primary);color:#fff;
  display:grid;place-items:center;font-size:17px;font-weight:700;flex:none;
}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{
  position:relative;padding:10px 14px;border-radius:10px;font-size:15px;font-weight:600;
  color:var(--c-body);transition:color .18s ease,background .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--c-primary);background:var(--c-primary-50)}
.nav-link[aria-current="page"]::after{transform:scaleX(1)}
.nav-link:focus-visible{outline:3px solid rgba(30,91,214,.30);outline-offset:2px}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--c-primary);
  background:#fff;color:var(--c-primary);align-items:center;justify-content:center;
}
.nav-toggle svg{width:22px;height:22px}
.nav-toggle:focus-visible{outline:3px solid rgba(30,91,214,.30);outline-offset:2px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 4px 12px rgba(30,91,214,.22)}
.btn-primary:hover{background:var(--c-primary-600);transform:translateY(-1px)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-ghost{background:#fff;border-color:var(--c-line);color:var(--c-ink)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-50)}
.btn-lg{height:48px;padding:0 28px;font-size:16px}
.btn-sm{height:36px;padding:0 16px;font-size:14px}
.btn:focus-visible{outline:3px solid rgba(30,91,214,.30);outline-offset:2px}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);
  font-size:14px;font-weight:600;line-height:22px;
}
.link-arrow svg{width:16px;height:16px;transition:transform .18s ease}
.link-arrow:hover svg{transform:translateX(2px)}
.link-arrow:focus-visible{outline:3px solid rgba(30,91,214,.30);outline-offset:3px;border-radius:6px}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,27,46,.5);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84%;max-width:360px;z-index:80;
  background:#fff;transform:translateX(100%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.drawer.is-open{transform:none}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--c-line);background:#fff;
  color:var(--c-ink);display:grid;place-items:center;
}
.drawer-close svg{width:18px;height:18px}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:20px}
.drawer-nav a{
  padding:14px 14px;border-radius:10px;font-size:16px;font-weight:600;color:var(--c-ink);
  border:1px solid transparent;transition:.18s ease;
}
.drawer-nav a:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-50)}
.drawer-nav a[aria-current="page"]{color:var(--c-primary);background:var(--c-primary-50)}
.drawer-meta{margin-top:auto;padding-top:20px;border-top:1px solid var(--c-line);font-size:14px;line-height:24px;color:var(--c-muted)}
.drawer .btn{width:100%;margin-bottom:16px}

/* ---------- hero ---------- */
.page-hero{position:relative;background:var(--c-deep);overflow:hidden;padding:72px 0 80px}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;opacity:.3;
}
.page-hero::after{content:"";position:absolute;inset:0;background:rgba(15,43,91,.78)}
.page-hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero-copy{color:#fff;max-width:640px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;line-height:20px;color:rgba(255,255,255,.66);margin-bottom:18px}
.crumbs a:hover{color:#fff}
.crumbs span.dot{opacity:.5}
.page-hero h1{color:#fff;max-width:660px}
.hero-sub{margin-top:16px;font-size:17px;line-height:30px;color:rgba(255,255,255,.82);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.btn-onDark{background:#fff;color:var(--c-deep);border-color:#fff}
.btn-onDark:hover{background:var(--c-primary-50);color:var(--c-primary-600);transform:translateY(-1px)}
.btn-outlineDark{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-outlineDark:hover{border-color:#fff;background:rgba(255,255,255,.12)}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:var(--r-pill);
  font-size:12px;line-height:18px;color:#fff;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
}
.hero-tag svg{width:14px;height:14px;color:#7FE0CE}
.hero-side{display:flex;flex-direction:column;gap:16px}
.hero-figure{
  border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-2);
  background:var(--c-primary-50);border:1px solid rgba(255,255,255,.2);
}
.hero-figure img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover}
.hero-mini{
  display:flex;align-items:center;gap:14px;background:#fff;border-radius:var(--r-card);
  padding:14px;box-shadow:var(--sh-2);
}
.hero-mini img{width:64px;height:64px;border-radius:10px;object-fit:cover;flex:none;background:var(--c-primary-50)}
.hero-mini strong{display:block;font-size:15px;line-height:22px;color:var(--c-ink)}
.hero-mini span{display:block;font-size:13px;line-height:20px;color:var(--c-muted);margin-top:2px}
.hero-mini .link-arrow{margin-left:auto}

/* ---------- cards ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.svc-card{
  position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.svc-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--c-primary)}
.svc-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D2DEF5}
.svc-icon{
  width:46px;height:46px;border-radius:12px;background:var(--c-primary-50);color:var(--c-primary);
  display:grid;place-items:center;margin-bottom:16px;
}
.svc-icon svg{width:24px;height:24px}
.svc-card h3{margin-bottom:10px}
.svc-card p{font-size:14px;line-height:24px;color:var(--c-body)}
.check-list{margin:16px 0 18px}
.check-list li{
  position:relative;padding-left:22px;margin-bottom:8px;font-size:14px;line-height:22px;color:var(--c-body);
}
.check-list li:last-child{margin-bottom:0}
.check-list li::before{
  content:"";position:absolute;left:0;top:7px;width:8px;height:8px;border-radius:50%;background:var(--c-primary);
}
.tagline{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--r-pill);
  background:var(--c-primary-50);color:var(--c-primary);font-size:12px;line-height:18px;font-weight:600;
}
.tag-teal{background:rgba(20,160,138,.1);color:var(--c-teal)}

/* ---------- table ---------- */
.table-wrap{
  overflow-x:auto;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);background:#fff;
}
table{width:100%;border-collapse:collapse;min-width:760px}
caption{text-align:left;padding:20px 24px 4px;font-size:14px;line-height:22px;color:var(--c-muted)}
th{
  background:var(--c-deep);color:#fff;text-align:left;padding:14px 22px;
  font-size:14px;font-weight:600;line-height:22px;white-space:nowrap;
}
td{padding:16px 22px;border-top:1px solid var(--c-line);font-size:15px;line-height:26px;vertical-align:top}
tbody tr:nth-child(even){background:var(--c-bg-alt)}
tbody tr:hover{background:var(--c-primary-50)}
td strong{color:var(--c-ink);font-weight:600}
.table-note{margin-top:14px;font-size:13px;line-height:20px;color:var(--c-muted)}

/* ---------- scene ---------- */
.scene{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:start}
.scene-figure{
  border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-2);background:var(--c-primary-50);
  position:sticky;top:100px;
}
.scene-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.scene-figure figcaption{
  padding:12px 16px;background:#fff;border-top:1px solid var(--c-line);
  font-size:13px;line-height:20px;color:var(--c-muted);
}
.node-list li{
  position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-img);
  padding:18px 22px 18px 68px;margin-bottom:16px;
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.node-list li:last-child{margin-bottom:0}
.node-list li:hover{border-color:var(--c-primary);box-shadow:var(--sh-1);transform:translateY(-2px)}
.node-list li::after{
  content:"";position:absolute;left:33px;top:56px;bottom:-16px;width:2px;background:var(--c-line);
}
.node-list li:last-child::after{display:none}
.node-idx{
  position:absolute;left:20px;top:18px;width:28px;height:28px;border-radius:50%;
  background:var(--c-primary);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700;
}
.node-list h3{font-size:17px;line-height:26px;margin-bottom:6px}
.node-list p{font-size:14px;line-height:24px;color:var(--c-body);margin:0}
.node-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}

/* ---------- steps ---------- */
.progress{height:6px;border-radius:var(--r-pill);background:var(--c-primary-50);overflow:hidden;margin-bottom:28px}
.progress span{display:block;height:100%;width:75%;border-radius:var(--r-pill);background:var(--c-primary)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px;
  box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-num{
  width:32px;height:32px;border-radius:50%;background:var(--c-primary-50);color:var(--c-primary);
  display:grid;place-items:center;font-size:14px;font-weight:700;margin-bottom:14px;
}
.step h3{font-size:17px;line-height:26px;margin-bottom:8px}
.step p{font-size:14px;line-height:24px;color:var(--c-body);margin:0}
.step-time{
  display:inline-flex;align-items:center;gap:5px;margin-top:12px;
  font-size:12px;line-height:18px;color:var(--c-teal);font-weight:600;
}
.step-time svg{width:14px;height:14px}

/* ---------- data band ---------- */
.data-band{background:var(--c-deep);padding:44px 0}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.data-item{padding:0 24px;border-left:1px solid rgba(255,255,255,.14)}
.data-item:first-child{border-left:0;padding-left:0}
.data-num{
  font-size:44px;line-height:52px;font-weight:700;color:#fff;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.data-num small{font-size:20px;font-weight:700;margin-left:2px}
.data-label{margin-top:6px;font-size:14px;line-height:22px;color:rgba(255,255,255,.72)}

/* ---------- faq ---------- */
.faq-list{max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-img);
  margin-bottom:12px;overflow:hidden;transition:background .2s ease,border-color .2s ease;
}
.faq-item.is-open{background:var(--c-primary-50);border-color:var(--c-primary)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 20px;background:none;border:0;text-align:left;
  font-size:17px;line-height:26px;font-weight:600;color:var(--c-ink);
}
.faq-q:focus-visible{outline:3px solid rgba(30,91,214,.30);outline-offset:-3px}
.faq-icon{
  flex:none;width:28px;height:28px;border-radius:50%;border:1px solid var(--c-line);
  display:grid;place-items:center;color:var(--c-primary);background:#fff;transition:.2s ease;
}
.faq-icon svg{width:14px;height:14px}
.faq-item.is-open .faq-icon{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a p{padding:0 20px 20px;margin:0;font-size:15px;line-height:26px;color:var(--c-body)}

/* ---------- form ---------- */
.assist-grid{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:start}
.assist-info h2{position:relative;padding-left:44px;margin-bottom:12px}
.assist-info h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:32px;height:4px;border-radius:2px;background:var(--c-primary);
}
.assist-info p{font-size:15px;line-height:26px}
.info-list{margin-top:24px;display:grid;gap:12px}
.info-item{
  display:flex;gap:12px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-img);
  padding:14px 16px;box-shadow:var(--sh-1);
}
.info-item .ico{
  flex:none;width:32px;height:32px;border-radius:9px;background:var(--c-primary-50);color:var(--c-primary);
  display:grid;place-items:center;
}
.info-item .ico svg{width:18px;height:18px}
.info-item strong{display:block;font-size:15px;line-height:22px;color:var(--c-ink);font-weight:600}
.info-item span{display:block;font-size:13px;line-height:20px;color:var(--c-muted);margin-top:2px}
.form-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-modal);
  padding:32px;box-shadow:var(--sh-2);
}
.form-card h3{margin-bottom:6px}
.form-card .form-lead{font-size:14px;line-height:22px;color:var(--c-muted);margin-bottom:24px}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.field{display:flex;flex-direction:column;gap:8px}
.field-full{grid-column:1/-1}
.field label{font-size:14px;line-height:22px;font-weight:600;color:var(--c-ink)}
.req{color:var(--c-accent);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;height:46px;border:1px solid var(--c-line);border-radius:var(--r-input);
  padding:0 14px;font-size:15px;line-height:24px;color:var(--c-ink);background:#fff;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--c-muted)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(30,91,214,.18);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--c-error)}
.field-error{font-size:13px;line-height:20px;color:var(--c-error);display:none}
.field.has-error .field-error{display:block}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:24px}
.form-note{font-size:13px;line-height:20px;color:var(--c-muted);margin:14px 0 0}
.form-note a{color:var(--c-primary);font-weight:600}
.form-note a:hover{text-decoration:underline}
.form-ok{
  display:none;margin-top:18px;padding:12px 16px;border-radius:var(--r-input);
  background:rgba(18,161,80,.08);border:1px solid rgba(18,161,80,.3);
  font-size:14px;line-height:22px;color:var(--c-success);
}
.form-ok.is-visible{display:block}

/* ---------- privacy ---------- */
.privacy-card{
  margin-top:32px;background:var(--c-bg-alt);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:28px;
}
.privacy-head{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.privacy-head .ico{
  width:36px;height:36px;border-radius:10px;background:#fff;color:var(--c-primary);
  display:grid;place-items:center;border:1px solid var(--c-line);
}
.privacy-head .ico svg{width:20px;height:20px}
.privacy-head h3{font-size:18px;line-height:26px}
.privacy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.privacy-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-img);padding:18px}
.privacy-item strong{display:block;font-size:14px;line-height:22px;color:var(--c-ink);font-weight:600;margin-bottom:6px}
.privacy-item p{font-size:13px;line-height:21px;color:var(--c-body);margin:0}

/* ---------- footer ---------- */
.site-footer{background:var(--c-deep);color:rgba(255,255,255,.75);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:4fr 2fr 2fr 4fr;gap:40px;padding-bottom:40px}
.footer-brand .logo{color:#fff}
.footer-brand p{font-size:14px;line-height:24px;color:rgba(255,255,255,.72);margin:16px 0 18px;max-width:340px}
.footer-contact{display:flex;flex-direction:column;gap:10px}
.footer-contact span{display:inline-flex;align-items:center;gap:8px;font-size:13px;line-height:20px;color:rgba(255,255,255,.72)}
.footer-contact svg{width:16px;height:16px;flex:none;color:#7FE0CE}
.footer-col h4{color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;line-height:24px;color:rgba(255,255,255,.75);transition:color .18s ease}
.footer-col a:hover{color:#fff}
.footer-col a:focus-visible{outline:3px solid rgba(255,255,255,.35);outline-offset:2px;border-radius:6px}
.footer-note{font-size:13px;line-height:22px;color:rgba(255,255,255,.66);margin:0}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0 28px;
  font-size:13px;line-height:22px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.75)}
.footer-bottom a:hover{color:#fff}

/* ---------- mobile fixed cta ---------- */
.mobile-cta{display:none}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  :root{--sec:76px}
  .hero-grid{grid-template-columns:6fr 5fr;gap:32px}
}
@media (max-width:991px){
  :root{--sec:64px}
  h1{font-size:34px;line-height:44px}
  h2{font-size:28px;line-height:38px}
  .nav-main,.nav-actions .btn-ghost,.nav-actions .btn-primary{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions{margin-left:auto}
  .page-hero{padding:56px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-copy{max-width:none}
  .grid-2{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .data-grid{grid-template-columns:repeat(2,1fr);gap:24px 0}
  .data-item:nth-child(odd){border-left:0;padding-left:0}
  .scene{grid-template-columns:1fr;gap:28px}
  .scene-figure{position:static}
  .assist-grid{grid-template-columns:1fr;gap:32px}
  .privacy-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .form-grid{grid-template-columns:1fr;gap:16px}
  .form-card{padding:24px 20px}
  .data-num{font-size:36px;line-height:44px}
  .table-wrap{border-radius:var(--r-img)}
  .privacy-card{padding:22px 18px}
  .node-list li{padding:16px 18px 16px 60px}
  .node-list li::after{left:29px}
  .node-idx{left:18px;top:16px}
}
@media (max-width:575px){
  h1{font-size:28px;line-height:36px}
  h2{font-size:24px;line-height:34px}
  .sec-head h2{padding-left:36px}
  .sec-head h2::before{width:24px}
  .assist-info h2{padding-left:36px}
  .assist-info h2::before{width:24px}
  .steps{grid-template-columns:1fr}
  .world{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .form-foot .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  body{padding-bottom:72px}
  .mobile-cta{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:65;
    background:#fff;border-top:1px solid var(--c-line);padding:10px 16px;
    box-shadow:0 -4px 16px rgba(16,27,46,.08);
  }
  .mobile-cta .btn{width:100%}
}