/* roulang page: index */
:root{
  --primary:#0E7490;
  --primary-dark:#0B4F63;
  --primary-deep:#0B3A46;
  --primary-light:#E6F4F7;
  --action:#F59E0B;
  --action-dark:#D97706;
  --action-light:#FEF3C7;
  --mint:#14B8A6;
  --mint-light:#CCFBF1;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --text:#0F172A;
  --muted:#64748B;
  --border:#E2E8F0;
  --success:#16A34A;
  --danger:#DC2626;
  --r-sm:8px;
  --r-md:12px;
  --r-card:16px;
  --r-nav:18px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-xs:0 1px 2px rgba(15,23,42,.04);
  --shadow-card:0 8px 24px rgba(15,23,42,.06);
  --shadow-hover:0 14px 34px rgba(15,23,42,.10);
  --shadow-nav:0 10px 30px rgba(15,23,42,.08);
  --font:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  font-size:1rem;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--primary-dark);}
button,input,select,textarea{font-family:inherit;font-size:1rem;}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.25;letter-spacing:-.01em;font-weight:700;color:var(--text);}
h1{font-size:clamp(1.75rem,2.6vw,2.75rem);}
h2{font-size:clamp(1.5rem,2.1vw,2rem);}
h3{font-size:1.25rem;font-weight:600;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

.container{width:100%;max-width:1280px;margin:0 auto;padding-inline:20px;}
.section{padding-block:88px;}
.section-sm{padding-block:64px;}
.section-tight{padding-block:52px;}
.bg-soft{background:var(--bg);}
.bg-white-soft{background:linear-gradient(180deg,#FFFFFF 0%,#F6F9FC 100%);}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--primary-light);color:var(--primary-dark);
  border-radius:var(--r-pill);padding:6px 14px;
  font-size:.8125rem;font-weight:500;letter-spacing:.02em;
}
.eyebrow.mint{background:var(--mint-light);color:#0F766E;}
.eyebrow.amber{background:var(--action-light);color:var(--action-dark);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-inline:auto;text-align:center;}
.section-head p{color:var(--muted);font-size:1.0625rem;margin-top:14px;}
.lead{font-size:1.125rem;color:var(--muted);}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  padding:14px 0;
  background:rgba(246,249,252,.86);
  backdrop-filter:saturate(140%) blur(8px);
}
.nav-panel{
  display:flex;align-items:center;gap:16px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-nav);
  box-shadow:var(--shadow-nav);
  padding:10px 18px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary) 0%,var(--mint) 100%);
  color:#fff;font-size:1rem;
  box-shadow:0 6px 16px rgba(14,116,144,.28);
}
.brand-text{font-weight:700;font-size:1.0625rem;color:var(--primary-dark);letter-spacing:-.01em;}
.nav-grid{display:flex;align-items:center;gap:6px;margin:0 auto;flex-wrap:nowrap;}
.nav-item{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 13px;border-radius:var(--r-md);
  border:1px solid transparent;
  color:#334155;font-size:.9375rem;font-weight:500;white-space:nowrap;
}
.nav-item i{font-size:.875rem;color:var(--muted);transition:color .2s ease;}
.nav-item:hover{background:var(--primary-light);color:var(--primary-dark);}
.nav-item:hover i{color:var(--primary);}
.nav-item.active{
  background:var(--primary-light);
  color:var(--primary-dark);
  border-color:rgba(14,116,144,.35);
  font-weight:600;
}
.nav-item.active i{color:var(--primary);}
.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  width:42px;height:42px;border-radius:var(--r-md);
  border:1px solid var(--border);background:var(--surface);
  color:var(--primary-dark);display:grid;place-items:center;cursor:pointer;
}
.nav-toggle:hover{background:var(--primary-light);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-md);font-weight:600;font-size:.9375rem;
  padding:11px 22px;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn:active{transform:translateY(0);}
.btn-primary-c{
  background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(14,116,144,.24);
}
.btn-primary-c:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(14,116,144,.28);}
.btn-action{
  background:var(--action);color:#43290B;box-shadow:0 6px 16px rgba(245,158,11,.28);
}
.btn-action:hover{background:var(--action-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(217,119,6,.3);}
.btn-ghost{
  background:var(--surface);color:var(--primary-dark);border-color:rgba(14,116,144,.35);
}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark);transform:translateY(-1px);}
.btn-light-c{background:#fff;color:var(--primary-dark);border-color:#fff;}
.btn-light-c:hover{background:var(--primary-light);color:var(--primary-dark);}
.btn-lg-c{padding:14px 28px;font-size:1rem;}
.btn-block{width:100%;}

/* ---------- badges & chips ---------- */
.badge-c{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:var(--r-pill);
  padding:5px 12px;font-size:.8125rem;font-weight:500;
  background:var(--primary-light);color:var(--primary-dark);
}
.badge-c.mint{background:var(--mint-light);color:#0F766E;}
.badge-c.amber{background:var(--action-light);color:var(--action-dark);}
.badge-c.grey{background:#F1F5F9;color:var(--muted);}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding-block:56px 88px;min-height:600px;display:flex;align-items:center;}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.16;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(900px 420px at 82% 12%,rgba(20,184,166,.14),transparent 62%),
             linear-gradient(180deg,rgba(246,249,252,.5) 0%,rgba(246,249,252,.96) 78%,var(--bg) 100%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2;}
.hero h1{margin-bottom:18px;}
.hero-sub{font-size:1.125rem;color:#475569;max-width:560px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px;}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;}
.trust-chip{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-pill);
  padding:8px 15px;font-size:.875rem;color:#334155;
  box-shadow:var(--shadow-xs);
}
.trust-chip i{color:var(--mint);}
.hero-visual{position:relative;padding:18px 0 18px 18px;}
.hero-frame{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--shadow-hover);padding:14px;position:relative;
}
.hero-frame img{border-radius:14px;width:100%;height:360px;object-fit:cover;}
.hero-bar{
  display:flex;align-items:center;gap:8px;padding:0 4px 12px;
}
.hero-dot{width:10px;height:10px;border-radius:50%;background:var(--border);}
.hero-dot.a{background:var(--primary);}
.hero-dot.b{background:var(--mint);}
.hero-dot.c{background:var(--action);}
.hero-float{
  position:absolute;left:-6px;bottom:32px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--shadow-hover);padding:14px 16px;max-width:230px;
}
.hero-float strong{display:block;font-size:1.375rem;color:var(--primary-dark);line-height:1.2;}
.hero-float span{font-size:.8125rem;color:var(--muted);}
.hero-float-2{
  position:absolute;right:-4px;top:6px;
  background:var(--primary-deep);color:#fff;border-radius:var(--r-card);
  padding:12px 16px;font-size:.8125rem;box-shadow:var(--shadow-hover);
  display:flex;align-items:center;gap:8px;
}
.hero-float-2 i{color:var(--mint);}

/* ---------- feature cards ---------- */
.feature-main{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);padding:30px;height:100%;
  display:flex;flex-direction:column;gap:14px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.feature-main:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(14,116,144,.3);}
.feature-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);padding:24px;height:100%;
  display:flex;flex-direction:column;gap:12px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(14,116,144,.3);}
.feature-card.tall{padding-bottom:40px;}
.icon-box{
  width:52px;height:52px;border-radius:14px;
  background:var(--primary-light);color:var(--primary);
  display:grid;place-items:center;font-size:1.25rem;flex:0 0 auto;
}
.icon-box.mint{background:var(--mint-light);color:#0F766E;}
.icon-box.amber{background:var(--action-light);color:var(--action-dark);}
.feature-card p,.feature-main p{color:var(--muted);font-size:.9375rem;}
.text-link{font-weight:600;font-size:.9375rem;display:inline-flex;align-items:center;gap:6px;margin-top:auto;}
.text-link i{transition:transform .18s ease;}
.text-link:hover i{transform:translateX(3px);}

/* ---------- tabs / scenes ---------- */
.scene-wrap{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);padding:28px;
}
.scene-tabs{
  display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;margin-bottom:26px;
  scrollbar-width:thin;
}
.scene-tab{
  flex:0 0 auto;border:1px solid var(--border);background:#fff;color:#334155;
  border-radius:var(--r-md);padding:10px 18px;font-size:.9375rem;font-weight:500;
  display:inline-flex;align-items:center;gap:8px;cursor:pointer;
  transition:all .2s ease;
}
.scene-tab i{color:var(--muted);}
.scene-tab:hover{background:var(--primary-light);color:var(--primary-dark);}
.scene-tab.active{
  background:var(--primary);border-color:var(--primary);color:#fff;
  box-shadow:0 8px 18px rgba(14,116,144,.24);
}
.scene-tab.active i{color:#fff;}
.scene-points li{
  display:flex;gap:12px;align-items:flex-start;padding:12px 0;
  border-bottom:1px dashed var(--border);
}
.scene-points li:last-child{border-bottom:none;}
.scene-points i{color:var(--mint);margin-top:5px;}
.scene-points strong{display:block;font-weight:600;}
.scene-points span{color:var(--muted);font-size:.9375rem;}
.scene-shot img{
  border-radius:var(--r-card);height:340px;width:100%;object-fit:cover;
  border:1px solid var(--border);
}
.tab-pane{animation:fadeUp .32s ease;}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}

/* ---------- stats / logos / reviews ---------- */
.stat-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--shadow-xs);padding:22px;height:100%;text-align:center;
}
.stat-card strong{display:block;font-size:1.75rem;color:var(--primary-dark);line-height:1.2;}
.stat-card span{color:var(--muted);font-size:.875rem;}
.logo-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;}
.logo-cell{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  padding:16px 10px;text-align:center;font-size:.875rem;color:var(--muted);
  display:flex;align-items:center;justify-content:center;gap:8px;
  transition:all .2s ease;height:100%;
}
.logo-cell:hover{border-color:rgba(14,116,144,.3);color:var(--primary-dark);box-shadow:var(--shadow-xs);}
.logo-cell i{color:var(--mint);}
.review-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);padding:26px;height:100%;
  display:flex;flex-direction:column;gap:14px;
}
.review-card p{color:#334155;font-size:.9375rem;}
.stars i{color:var(--action);font-size:.875rem;}
.review-user{display:flex;align-items:center;gap:10px;margin-top:auto;}
.avatar{
  width:38px;height:38px;border-radius:50%;background:var(--primary-light);
  color:var(--primary-dark);display:grid;place-items:center;font-weight:600;font-size:.875rem;
}
.review-user span{font-size:.8125rem;color:var(--muted);display:block;}

/* ---------- posts ---------- */
.post-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);overflow:hidden;height:100%;
  display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(14,116,144,.3);}
.post-cover{display:block;overflow:hidden;}
.post-cover img{width:100%;height:190px;object-fit:cover;transition:transform .35s ease;}
.post-card:hover .post-cover img{transform:scale(1.04);}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{font-size:1.0625rem;margin:0;line-height:1.45;}
.post-body h3 a{color:var(--text);}
.post-body h3 a:hover{color:var(--primary);}
.post-excerpt{
  color:var(--muted);font-size:.9rem;margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{display:flex;align-items:center;gap:12px;font-size:.8125rem;color:var(--muted);margin-top:auto;}
.empty-box{
  background:#fff;border:1px dashed var(--border);border-radius:var(--r-card);
  padding:46px 24px;text-align:center;box-shadow:var(--shadow-xs);
}
.empty-box .icon-box{margin:0 auto 14px;}
.empty-box p{color:var(--muted);}

/* ---------- steps ---------- */
.step-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--shadow-xs);padding:24px;height:100%;position:relative;
}
.step-num{
  width:36px;height:36px;border-radius:10px;background:var(--primary);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:.9375rem;margin-bottom:14px;
}
.step-card p{color:var(--muted);font-size:.9375rem;margin:0;}

/* ---------- faq ---------- */
.faq-accordion .accordion-item{
  background:#fff;border:1px solid var(--border);border-radius:14px !important;
  box-shadow:var(--shadow-xs);margin-bottom:14px;overflow:hidden;
}
.faq-accordion .accordion-button{
  background:#fff;font-weight:600;font-size:1rem;color:var(--text);
  padding:18px 22px;border-radius:14px !important;box-shadow:none;
}
.faq-accordion .accordion-button:not(.collapsed){
  background:#fff;color:var(--primary-dark);
  border-left:4px solid var(--primary);
  padding-left:18px;
}
.faq-accordion .accordion-button::after{
  background-image:none;content:"\2b";font-family:"Font Awesome 6 Free";font-weight:900;
  color:var(--primary);width:auto;height:auto;font-size:.875rem;transform:none;
  display:grid;place-items:center;line-height:1;
}
.faq-accordion .accordion-button:not(.collapsed)::after{content:"\f068";}
.faq-accordion .accordion-button:focus{box-shadow:none;outline:2px solid var(--primary);outline-offset:-2px;}
.faq-accordion .accordion-body{color:var(--muted);padding:0 22px 20px;font-size:.9375rem;}

/* ---------- cta & form ---------- */
.cta-panel{
  background:linear-gradient(135deg,#0B4F63 0%,#0E7490 100%);
  border-radius:var(--r-lg);padding:44px;color:#fff;position:relative;overflow:hidden;
  box-shadow:0 20px 48px rgba(11,79,99,.24);
}
.cta-panel::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,184,166,.35),transparent 70%);
}
.cta-panel h2{color:#fff;}
.cta-panel p{color:#D7EEF2;}
.cta-list li{display:flex;gap:10px;align-items:flex-start;color:#E6F4F7;font-size:.9375rem;padding:6px 0;}
.cta-list i{color:var(--mint);margin-top:5px;}
.form-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--shadow-hover);padding:30px;
}
.form-label{font-size:.875rem;font-weight:600;color:#334155;margin-bottom:6px;}
.form-control,.form-select{
  border-radius:var(--r-md);border:1px solid var(--border);
  padding:11px 14px;font-size:.9375rem;background:#FBFDFE;color:var(--text);
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.form-control:focus,.form-select:focus{
  border-color:var(--primary);background:#fff;
  box-shadow:0 0 0 4px rgba(14,116,144,.14);outline:none;
}
.form-control.is-invalid,.form-select.is-invalid{border-color:var(--danger);}
.form-check-input{border-radius:5px;border-color:#CBD5E1;}
.form-check-input:checked{background-color:var(--primary);border-color:var(--primary);}
.form-check-input:focus{box-shadow:0 0 0 4px rgba(14,116,144,.14);}
.form-hint{font-size:.8125rem;color:var(--muted);}
.form-alert{
  border-radius:var(--r-md);padding:12px 14px;font-size:.875rem;margin-bottom:16px;display:none;
}
.form-alert.ok{display:block;background:#ECFDF5;color:#166534;border:1px solid #A7F3D0;}
.form-alert.err{display:block;background:#FEF2F2;color:#991B1B;border:1px solid #FECACA;}

/* ---------- footer ---------- */
.site-footer{background:var(--primary-deep);color:#C7E3E9;padding:60px 0 24px;margin-top:0;}
.site-footer h4{color:#fff;font-size:1rem;margin-bottom:16px;font-weight:600;}
.site-footer .brand-text{color:#fff;}
.site-footer p{color:#A9CFD8;font-size:.9rem;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#A5F3FC;font-size:.9rem;}
.footer-links a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;color:#A9CFD8;font-size:.9rem;margin-bottom:10px;align-items:flex-start;}
.footer-contact i{color:var(--mint);margin-top:5px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:.8125rem;color:#8FBDC7;
}

/* ---------- mobile bar ---------- */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:#fff;border-top:1px solid var(--border);
  box-shadow:0 -6px 20px rgba(15,23,42,.08);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  display:flex;align-items:center;gap:12px;
}
.mobile-bar span{font-size:.8125rem;color:var(--muted);flex:1;line-height:1.35;}
body{padding-bottom:76px;}

/* ---------- offcanvas ---------- */
.offcanvas{border-radius:var(--r-nav) 0 0 var(--r-nav);}
.offcanvas-header{border-bottom:1px solid var(--border);padding:18px 20px;}
.offcanvas-title{font-weight:700;color:var(--primary-dark);}
.m-nav-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.m-nav-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  padding:14px 12px;display:flex;flex-direction:column;gap:8px;
  font-size:.9rem;font-weight:500;color:#334155;box-shadow:var(--shadow-xs);
}
.m-nav-card i{color:var(--primary);font-size:1rem;}
.m-nav-card:hover{background:var(--primary-light);border-color:rgba(14,116,144,.3);color:var(--primary-dark);}
.m-nav-card.active{background:var(--primary-light);border-color:rgba(14,116,144,.45);color:var(--primary-dark);}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .logo-wall{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:991.98px){
  .section{padding-block:72px;}
  .nav-grid{display:none;}
  .hero{min-height:auto;padding-block:40px 72px;}
  .hero-visual{padding:0;}
  .hero-float{position:static;margin-top:14px;max-width:none;}
  .hero-float-2{position:static;margin-bottom:12px;display:inline-flex;}
  .hero-frame img{height:300px;}
}
@media (max-width:767.98px){
  .section{padding-block:56px;}
  .container{padding-inline:16px;}
  .cta-panel{padding:30px 22px;}
  .form-card{padding:22px;}
  .scene-wrap{padding:20px;}
  .scene-shot img{height:240px;}
  .logo-wall{grid-template-columns:repeat(2,1fr);}
  .hero-frame img{height:230px;}
  .nav-panel{padding:8px 12px;gap:10px;}
  .brand-text{font-size:1rem;}
  h1{font-size:clamp(1.6rem,6vw,2rem);}
}
@media (max-width:575.98px){
  .hero-actions .btn{width:100%;}
  .post-cover img{height:170px;}
  .stat-card strong{font-size:1.5rem;}
}
@media (min-width:992px){
  .mobile-bar{display:none;}
  body{padding-bottom:0;}
}

/* roulang page: article */
:root{
  --c-primary:#0E7490;
  --c-primary-dark:#0B4F63;
  --c-primary-deep:#0B3A46;
  --c-primary-light:#E6F4F7;
  --c-action:#F59E0B;
  --c-action-dark:#D97706;
  --c-action-light:#FEF3C7;
  --c-mint:#14B8A6;
  --c-mint-light:#CCFBF1;
  --c-bg:#F6F9FC;
  --c-surface:#FFFFFF;
  --c-text:#0F172A;
  --c-muted:#64748B;
  --c-border:#E2E8F0;
  --c-success:#16A34A;
  --c-danger:#DC2626;
  --r-sm:8px;
  --r-md:12px;
  --r-card:16px;
  --r-nav:18px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-xs:0 1px 2px rgba(15,23,42,.04);
  --shadow-card:0 8px 24px rgba(15,23,42,.06);
  --shadow-hover:0 14px 34px rgba(15,23,42,.10);
  --shadow-nav:0 10px 30px rgba(15,23,42,.08);
  --s-section:88px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:1rem;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  padding-bottom:0;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary-dark)}
h1,h2,h3,h4{line-height:1.25;letter-spacing:-.01em;font-weight:700;margin:0 0 .6em}
h1{font-size:clamp(1.75rem,2.6vw,2.75rem)}
h2{font-size:clamp(1.5rem,2.1vw,2rem);font-weight:600}
h3{font-size:1.25rem;font-weight:600}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.25rem}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.container{max-width:1240px;padding-left:20px;padding-right:20px}
.section{padding:var(--s-section) 0}
.section-tight{padding:56px 0}
.section-head{max-width:760px;margin-bottom:36px}
.section-head p{color:var(--c-muted);margin-bottom:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;font-weight:600;color:var(--c-primary-dark);
  background:var(--c-primary-light);border-radius:var(--r-pill);
  padding:5px 14px;margin-bottom:14px;letter-spacing:.02em;
}
/* ============ header / nav ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  padding:14px 0;
  background:rgba(246,249,252,.88);
  backdrop-filter:saturate(160%) blur(8px);
}
.nav-panel{
  display:flex;align-items:center;gap:18px;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-nav);
  box-shadow:var(--shadow-nav);
  padding:12px 18px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:var(--r-md);
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--c-primary),var(--c-mint));
  color:#fff;font-size:1rem;box-shadow:var(--shadow-xs);
}
.brand-text{font-weight:700;font-size:1.125rem;color:var(--c-primary-dark);letter-spacing:-.01em}
.nav-grid{
  list-style:none;display:flex;align-items:center;gap:6px;
  margin:0;padding:0;flex:1 1 auto;flex-wrap:wrap;
}
.nav-item{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.875rem;font-weight:500;color:var(--c-muted);
  padding:8px 12px;border-radius:var(--r-md);
  border:1px solid transparent;background:transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
  white-space:nowrap;
}
.nav-item i{font-size:.875rem;opacity:.85}
.nav-item:hover{background:var(--c-primary-light);color:var(--c-primary-dark);transform:translateY(-1px)}
.nav-item.active{
  background:var(--c-primary-light);color:var(--c-primary-dark);
  border-color:rgba(14,116,144,.35);font-weight:600;
}
.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  width:42px;height:42px;border-radius:var(--r-md);
  border:1px solid var(--c-border);background:var(--c-surface);
  color:var(--c-primary-dark);font-size:1.05rem;display:grid;place-items:center;
}
.nav-toggle:hover{background:var(--c-primary-light)}
/* buttons */
.btn{
  border-radius:var(--r-md)!important;
  font-weight:600;font-size:.9375rem;
  padding:10px 20px;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  line-height:1.4;
}
.btn:focus,.btn:focus-visible{box-shadow:0 0 0 2px #fff,0 0 0 4px rgba(14,116,144,.55)!important}
.btn-primary-c{
  background:var(--c-primary);color:#fff;box-shadow:var(--shadow-xs);
}
.btn-primary-c:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-card)}
.btn-action{background:var(--c-action);color:#3d2500}
.btn-action:hover{background:var(--c-action-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-card)}
.btn-outline-c{
  background:var(--c-surface);color:var(--c-primary-dark);border-color:rgba(14,116,144,.35);
}
.btn-outline-c:hover{background:var(--c-primary-light);color:var(--c-primary-dark);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--c-primary-dark);border-color:var(--c-border)}
.btn-ghost:hover{background:var(--c-primary-light);border-color:rgba(14,116,144,.3)}
/* offcanvas */
.nav-offcanvas{border-radius:var(--r-nav) 0 0 var(--r-nav);border-left:1px solid var(--c-border)}
.nav-offcanvas .offcanvas-header{border-bottom:1px solid var(--c-border);padding:16px 20px}
.nav-mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.nav-mobile-grid .nav-item{
  background:var(--c-bg);border:1px solid var(--c-border);
  padding:14px 12px;border-radius:var(--r-md);justify-content:flex-start;
}
.nav-mobile-grid .nav-item.active{background:var(--c-primary-light);border-color:rgba(14,116,144,.35)}
/* ============ article ============ */
.crumbs{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:.875rem;color:var(--c-muted);
  padding:22px 0 0;
}
.crumbs a{color:var(--c-primary);font-weight:500}
.crumbs a:hover{color:var(--c-primary-dark);text-decoration:underline}
.crumbs .sep{color:#CBD5E1}
.crumbs .current{color:var(--c-muted);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{padding:20px 0 32px}
.article-head h1{
  font-weight:700;margin-bottom:18px;max-width:900px;
}
.meta-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:.875rem;color:var(--c-muted);
  padding:14px 18px;background:var(--c-surface);
  border:1px solid var(--c-border);border-radius:var(--r-card);
  box-shadow:var(--shadow-xs);
}
.meta-bar .item{display:inline-flex;align-items:center;gap:7px}
.meta-bar i{color:var(--c-primary)}
.badge-c{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--c-primary-light);color:var(--c-primary-dark);
  border-radius:var(--r-pill);font-size:.8125rem;font-weight:600;
  padding:4px 13px;border:1px solid rgba(14,116,144,.18);
}
.badge-mint{background:var(--c-mint-light);color:#0F766E;border-color:rgba(20,184,166,.22)}
.article-shell{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);
  padding:40px 44px;
}
.article-body{max-width:820px;margin:0 auto}
.article-body>*:last-child{margin-bottom:0}
.article-body h2{
  margin-top:2em;padding-left:14px;
  border-left:4px solid var(--c-primary);
  font-size:clamp(1.35rem,1.8vw,1.65rem);
}
.article-body h3{margin-top:1.6em;color:var(--c-primary-dark);font-size:1.15rem}
.article-body p{line-height:1.85;color:#1E293B;margin-bottom:1em}
.article-body ul,.article-body ol{line-height:1.85;padding-left:1.4rem;color:#1E293B}
.article-body li{margin-bottom:.45em}
.article-body blockquote{
  margin:1.5em 0;padding:16px 22px;
  background:var(--c-primary-light);
  border-left:4px solid var(--c-primary);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--c-primary-dark);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{
  border-radius:var(--r-card);margin:1.6em auto;box-shadow:var(--shadow-card);
}
.article-body figure figcaption{
  text-align:center;font-size:.8125rem;color:var(--c-muted);margin-top:-.8em;
}
.article-body a{font-weight:500;text-decoration:underline;text-underline-offset:3px}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;
  font-size:.9375rem;display:block;overflow-x:auto;
}
.article-body thead th{
  background:var(--c-primary-light);color:var(--c-primary-dark);
  font-weight:600;text-align:left;
}
.article-body th,.article-body td{
  border:1px solid var(--c-border);padding:11px 14px;
}
.article-body pre{
  background:#F1F5F9;border:1px solid var(--c-border);
  border-radius:var(--r-md);padding:16px 18px;overflow-x:auto;font-size:.875rem;
}
.article-body code{
  background:#F1F5F9;border-radius:6px;padding:2px 6px;font-size:.875em;
}
.article-body pre code{background:transparent;padding:0}
.empty-state{
  text-align:center;padding:56px 24px;
  background:var(--c-bg);border:1px dashed var(--c-border);
  border-radius:var(--r-card);
}
.empty-state .ico{
  width:64px;height:64px;border-radius:var(--r-card);margin:0 auto 18px;
  display:grid;place-items:center;background:var(--c-primary-light);
  color:var(--c-primary);font-size:1.6rem;
}
.empty-state h2{font-size:1.25rem;margin-bottom:8px}
.empty-state p{color:var(--c-muted);margin-bottom:20px}
/* back actions */
.back-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
/* related */
.card-c{
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--r-card);box-shadow:var(--shadow-card);
  overflow:hidden;height:100%;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;
}
.card-c:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(14,116,144,.28)}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-light)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card-c:hover .card-cover img{transform:scale(1.04)}
.card-body-c{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body-c h3{font-size:1.0625rem;margin:0;line-height:1.5}
.card-body-c h3 a{color:var(--c-text)}
.card-body-c h3 a:hover{color:var(--c-primary)}
.card-body-c p{font-size:.9375rem;color:var(--c-muted);margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;gap:12px;font-size:.8125rem;color:var(--c-muted);margin-top:auto}
.card-meta i{color:var(--c-primary);margin-right:4px}
.link-more{font-weight:600;font-size:.9375rem;display:inline-flex;align-items:center;gap:6px}
.link-more i{transition:transform .2s ease}
.link-more:hover i{transform:translateX(3px)}
/* CTA */
.cta-panel{
  background:linear-gradient(135deg,var(--c-primary-deep),var(--c-primary));
  border-radius:var(--r-lg);
  padding:48px 44px;color:#fff;position:relative;overflow:hidden;
  box-shadow:var(--shadow-card);
}
.cta-panel::after{
  content:"";position:absolute;right:-70px;bottom:-90px;
  width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.07);
}
.cta-panel h2{color:#fff;font-size:clamp(1.4rem,2vw,1.85rem)}
.cta-panel p{color:#D8F1F5;max-width:620px;margin-bottom:0}
.cta-panel .btn-action{position:relative;z-index:1}
.point-list{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:10px}
.point-list li{display:flex;align-items:flex-start;gap:10px;color:#E4F4F7;font-size:.9375rem}
.point-list i{color:#7DD3D8;margin-top:5px}
/* footer */
.site-footer{
  background:var(--c-primary-deep);color:#E2E8F0;
  padding:64px 0 26px;margin-top:var(--s-section);
}
.site-footer .brand-text{color:#fff}
.site-footer h4{color:#fff;font-size:1rem;margin-bottom:16px;font-weight:600}
.site-footer p{color:#B6CBD2;font-size:.9375rem;line-height:1.8}
.footer-links{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.footer-links a{color:#A5F3FC;font-size:.9375rem}
.footer-links a:hover{color:#fff}
.footer-contact{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.footer-contact li{display:flex;gap:10px;font-size:.9375rem;color:#B6CBD2;line-height:1.6}
.footer-contact i{color:#7DD3D8;margin-top:4px}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:.8125rem;color:#93AEB6;
}
/* mobile sticky bar */
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:#fff;border-top:1px solid var(--c-border);
  box-shadow:0 -6px 20px rgba(15,23,42,.08);
  padding:10px 14px calc(10px + env(safe-area-inset-bottom));
  display:none;align-items:center;gap:10px;
}
.mobile-cta .txt{font-size:.8125rem;color:var(--c-muted);line-height:1.35;flex:1 1 auto}
.mobile-cta .txt strong{display:block;color:var(--c-text);font-size:.875rem}
.mobile-cta .btn{padding:9px 14px;font-size:.875rem}
body{padding-bottom:0}
@media (max-width:991.98px){
  :root{--s-section:72px}
  .nav-grid{display:none}
  .nav-panel{padding:10px 14px}
  .article-shell{padding:28px 22px;border-radius:var(--r-card)}
  .cta-panel{padding:34px 24px}
  .mobile-cta{display:flex}
  body{padding-bottom:74px}
}
@media (max-width:767.98px){
  :root{--s-section:56px}
  .article-head h1{font-size:1.6rem}
  .crumbs .current{max-width:200px}
  .article-shell{padding:22px 16px}
  .meta-bar{gap:10px;font-size:.8125rem}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:519.98px){
  .container{padding-left:15px;padding-right:15px}
  .nav-mobile-grid{grid-template-columns:1fr}
  .cta-panel{padding:28px 18px}
}

/* roulang page: category1 */
:root{
  --brand:#0E7490;
  --brand-dark:#0B4F63;
  --brand-deep:#0B3A46;
  --brand-light:#E6F4F7;
  --action:#F59E0B;
  --action-dark:#D97706;
  --action-light:#FEF3C7;
  --mint:#14B8A6;
  --mint-light:#CCFBF1;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --text:#0F172A;
  --muted:#64748B;
  --border:#E2E8F0;
  --success:#16A34A;
  --danger:#DC2626;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-card:16px;
  --radius-nav:18px;
  --radius-lg:20px;
  --shadow-xs:0 1px 2px rgba(15,23,42,.04);
  --shadow-card:0 8px 24px rgba(15,23,42,.06);
  --shadow-hover:0 14px 34px rgba(15,23,42,.10);
  --shadow-nav:0 10px 30px rgba(15,23,42,.08);
  --font-cn:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:1rem;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
a:hover{color:var(--brand-dark);}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4,h5{margin:0 0 .6em;line-height:1.25;letter-spacing:-.01em;font-weight:700;color:var(--text);}
h1{font-size:clamp(1.75rem,2.6vw,2.75rem);}
h2{font-size:clamp(1.5rem,2.1vw,2rem);}
h3{font-size:1.25rem;}
h4{font-size:1.0625rem;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
button,input,select,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:var(--radius-sm);}
.container{width:100%;padding-right:16px;padding-left:16px;margin-right:auto;margin-left:auto;}
@media (min-width:576px){.container{max-width:540px;}}
@media (min-width:768px){.container{max-width:720px;}}
@media (min-width:992px){.container{max-width:960px;}}
@media (min-width:1200px){.container{max-width:1200px;}}
@media (min-width:1400px){.container{max-width:1280px;}}

/* ============ 顶部卡片化导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  padding:14px 0 10px;
  background:rgba(246,249,252,.94);
}
.nav-panel{
  display:flex;align-items:center;gap:14px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-nav);
  box-shadow:var(--shadow-nav);
  padding:10px 16px;
}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--brand-dark);font-size:1.0625rem;letter-spacing:-.01em;flex-shrink:0;}
.brand:hover{color:var(--brand);}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--brand),var(--mint));
  color:#fff;display:grid;place-items:center;font-size:1rem;
  box-shadow:0 6px 14px rgba(14,116,144,.28);
}
.brand-text{white-space:nowrap;}
.nav-grid{list-style:none;display:flex;align-items:center;gap:6px;margin:0 auto;padding:0;}
.nav-item{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 13px;border-radius:var(--radius-md);
  font-size:.9375rem;font-weight:500;color:var(--muted);
  border:1px solid transparent;white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.nav-item i{color:var(--brand);font-size:.9375rem;opacity:.9;}
.nav-item:hover{background:var(--brand-light);color:var(--brand-dark);}
.nav-item.active{background:var(--brand-light);color:var(--brand-dark);border-color:rgba(14,116,144,.28);font-weight:600;}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--border);
  background:var(--surface);color:var(--brand-dark);display:grid;place-items:center;
  font-size:1.0625rem;cursor:pointer;transition:background-color .18s ease,border-color .18s ease;
}
.nav-toggle:hover{background:var(--brand-light);border-color:rgba(14,116,144,.3);}

/* 按钮 */
.btn{
  --bs-btn-focus-box-shadow:none;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-md);
  font-weight:600;font-size:.9375rem;
  padding:11px 22px;border:1px solid transparent;line-height:1.4;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(14,116,144,.24);}
.btn-brand:hover,.btn-brand:active{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(11,79,99,.28);}
.btn-action{background:var(--action);color:#422006;border-color:rgba(66,32,6,.06);box-shadow:0 8px 18px rgba(245,158,11,.24);}
.btn-action:hover,.btn-action:active{background:#FBAE2B;color:#422006;transform:translateY(-1px);box-shadow:0 12px 24px rgba(245,158,11,.3);}
.btn-ghost{background:var(--surface);color:var(--brand-dark);border-color:rgba(14,116,144,.35);}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);border-color:rgba(14,116,144,.5);transform:translateY(-1px);}
.btn-lg{padding:13px 28px;font-size:1rem;}
.btn-block{width:100%;}

/* 移动端抽屉 */
.nav-offcanvas{width:min(360px,88vw);border:0;border-radius:20px 0 0 20px;box-shadow:var(--shadow-hover);}
.nav-offcanvas .offcanvas-header{border-bottom:1px solid var(--border);padding:18px 20px;}
.nav-offcanvas .offcanvas-body{padding:20px;}
.mobile-nav-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.mobile-nav-card{
  display:flex;flex-direction:column;gap:8px;
  background:var(--surface);border:1px solid var(--border);border-radius:14px;
  padding:14px 12px;font-size:.875rem;font-weight:600;color:var(--brand-dark);
  box-shadow:var(--shadow-xs);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.mobile-nav-card i{color:var(--brand);font-size:1.0625rem;}
.mobile-nav-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-card);border-color:rgba(14,116,144,.28);}
.mobile-nav-card.active{background:var(--brand-light);border-color:rgba(14,116,144,.35);}

/* ============ 首屏 ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--surface);
  border-bottom:1px solid var(--border);
  padding:56px 0 64px;
}
.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:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,184,166,.14),rgba(20,184,166,0) 70%);
}
.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;font-weight:600;letter-spacing:.04em;
  color:var(--brand-dark);background:var(--brand-light);
  border:1px solid rgba(14,116,144,.16);
  border-radius:999px;padding:6px 14px;margin-bottom:18px;
}
.eyebrow i{color:var(--brand);}
.hero-title{margin-bottom:16px;}
.hero-lead{font-size:1.0625rem;color:var(--muted);line-height:1.85;max-width:620px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.trust-chip{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--surface);border:1px solid var(--border);border-radius:999px;
  padding:8px 16px;font-size:.875rem;font-weight:500;color:var(--brand-dark);
  box-shadow:var(--shadow-xs);
}
.trust-chip i{color:var(--mint);}
.hero-visual{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);
  box-shadow:var(--shadow-card);background:var(--brand-light);
}
.hero-visual img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}

/* ============ 板块通用 ============ */
.section{padding:88px 0;}
.section-alt{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.section-head{max-width:740px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head p{color:var(--muted);font-size:1.0625rem;margin-bottom:0;}
.section-title{margin-bottom:14px;}

/* 图文交替 */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.feature-row + .feature-row{margin-top:88px;}
.feature-row.reverse .feature-text{order:2;}
.feature-row.reverse .feature-media{order:1;}
.feature-media{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);
  box-shadow:var(--shadow-card);background:var(--brand-light);
}
.feature-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}
.feature-text h2{font-size:clamp(1.4rem,1.9vw,1.85rem);}
.feature-text > p{color:var(--muted);font-size:1.0625rem;}
.check-list{list-style:none;display:grid;gap:16px;margin-top:8px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:.9375rem;color:var(--text);}
.check-list li i{color:var(--mint);font-size:1.0625rem;margin-top:5px;flex:0 0 auto;}
.check-list li strong{display:block;font-weight:600;margin-bottom:2px;}
.check-list li span{color:var(--muted);}

/* 深色信息面板 */
.insight-panel{
  position:relative;overflow:hidden;
  background:var(--brand-deep);
  color:var(--brand-light);
  border-radius:var(--radius-lg);
  padding:48px;
  box-shadow:var(--shadow-card);
}
.insight-panel::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:rgba(20,184,166,.18);
}
.insight-panel h2{color:#fff;position:relative;z-index:1;}
.insight-panel .panel-lead{color:#A5F3FC;position:relative;z-index:1;max-width:760px;font-size:1.0625rem;}
.insight-list{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:32px;position:relative;z-index:1;}
.insight-item{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(165,243,252,.22);
  border-radius:14px;padding:22px;
  transition:transform .18s ease,background-color .18s ease;
}
.insight-item:hover{transform:translateY(-2px);background:rgba(255,255,255,.11);}
.insight-item i{color:#5EEAD4;font-size:1.25rem;margin-bottom:12px;display:block;}
.insight-item h3{color:#fff;font-size:1.0625rem;margin-bottom:8px;}
.insight-item p{color:#A5F3FC;font-size:.9375rem;margin:0;}

/* 能力卡 */
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.cap-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-card);height:100%;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.cap-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(14,116,144,.22);}
.cap-icon{
  width:48px;height:48px;border-radius:14px;background:var(--brand-light);
  color:var(--brand-dark);display:grid;place-items:center;font-size:1.125rem;margin-bottom:18px;
}
.cap-card h3{font-size:1.0625rem;margin-bottom:10px;}
.cap-card p{color:var(--muted);font-size:.9375rem;margin:0;}

/* 标签 */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-light);color:var(--brand-dark);
  border-radius:999px;padding:5px 13px;font-size:.8125rem;font-weight:600;
}
.badge-mint{background:var(--mint-light);color:#0F766E;}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto;}
.accordion-item{
  background:var(--surface);border:1px solid var(--border);
  border-radius:14px;overflow:hidden;margin-bottom:14px;box-shadow:var(--shadow-xs);
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-button{
  font-family:inherit;font-size:1rem;font-weight:600;color:var(--text);
  background:var(--surface);padding:19px 56px 19px 22px;
  border-radius:14px;border-left:3px solid transparent;box-shadow:none;
  transition:background-color .18s ease,color .18s ease;
}
.accordion-button:not(.collapsed){
  background:var(--brand-light);color:var(--brand-dark);
  border-left:3px solid var(--brand);box-shadow:none;
}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--brand);outline-offset:-2px;}
.accordion-button::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  background-image:none;color:var(--brand);font-size:.8125rem;
  width:30px;height:30px;border-radius:9px;background-color:var(--brand-light);
  display:grid;place-items:center;position:absolute;right:18px;top:50%;
  margin:0;transform:translateY(-50%);transition:background-color .18s ease;
}
.accordion-button:not(.collapsed)::after{content:"\f068";background-color:#fff;}
.accordion-button:hover{background:var(--brand-light);}
.accordion-body{padding:4px 22px 22px;color:var(--muted);font-size:.9375rem;line-height:1.8;background:var(--surface);}

/* CTA 区 */
.cta-band{
  background:var(--brand-dark);color:#fff;border-radius:var(--radius-lg);
  padding:52px;position:relative;overflow:hidden;box-shadow:var(--shadow-card);
}
.cta-band::after{
  content:"";position:absolute;left:-80px;bottom:-140px;width:340px;height:340px;border-radius:50%;
  background:rgba(20,184,166,.16);
}
.cta-band h2{color:#fff;position:relative;z-index:1;}
.cta-band p{color:#A5F3FC;position:relative;z-index:1;max-width:660px;font-size:1.0625rem;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;position:relative;z-index:1;}
.cta-note{display:flex;flex-wrap:wrap;gap:18px;margin-top:24px;position:relative;z-index:1;font-size:.875rem;color:#A5F3FC;}
.cta-note span{display:inline-flex;align-items:center;gap:8px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-deep);color:#E6F4F7;padding:64px 0 0;margin-top:0;}
.site-footer .brand{color:#fff;}
.site-footer .brand-text{color:#fff;}
.site-footer h4{color:#fff;font-size:1rem;margin-bottom:18px;}
.site-footer p{color:#A5F3FC;font-size:.9375rem;line-height:1.8;}
.footer-links{list-style:none;display:grid;gap:11px;}
.footer-links a{color:#A5F3FC;font-size:.9375rem;}
.footer-links a:hover{color:#fff;}
.footer-contact{list-style:none;display:grid;gap:13px;font-size:.9375rem;color:#A5F3FC;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;line-height:1.7;}
.footer-contact i{color:#5EEAD4;margin-top:5px;flex:0 0 auto;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(165,243,252,.2);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:.8125rem;color:#7FD8E8;
}

/* 移动端固定转化条 */
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;display:none;
  align-items:center;justify-content:space-between;gap:10px;
  background:var(--surface);border-top:1px solid var(--border);
  box-shadow:0 -6px 20px rgba(15,23,42,.08);
  padding:10px 14px calc(10px + env(safe-area-inset-bottom));
}
.mobile-cta-text{font-size:.8125rem;color:var(--muted);line-height:1.35;}
.mobile-cta-text strong{display:block;color:var(--text);font-size:.875rem;}
.mobile-cta-actions{display:flex;gap:8px;align-items:center;}
.mobile-cta .icon-btn{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-light);color:var(--brand-dark);border:1px solid rgba(14,116,144,.2);font-size:1rem;
}
.mobile-cta .icon-btn:hover{background:#D7EDF2;color:var(--brand-dark);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .nav-item{padding:8px 10px;font-size:.875rem;}
  .cap-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  .site-header{padding:10px 0 8px;}
  .nav-panel{padding:9px 12px;gap:10px;}
  .section{padding:72px 0;}
  .page-hero{padding:44px 0 52px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .feature-row{grid-template-columns:1fr;gap:28px;}
  .feature-row.reverse .feature-text{order:1;}
  .feature-row.reverse .feature-media{order:2;}
  .feature-row + .feature-row{margin-top:64px;}
  .insight-panel{padding:36px;}
  .insight-list{grid-template-columns:1fr;gap:16px;}
  .cta-band{padding:38px 28px;}
  .mobile-cta{display:flex;}
  body{padding-bottom:78px;}
}
@media (max-width:767.98px){
  .section{padding:64px 0;}
  .section-head{margin-bottom:32px;}
  .feature-row + .feature-row{margin-top:56px;}
}
@media (max-width:575.98px){
  .section{padding:56px 0;}
  .cap-grid{grid-template-columns:1fr;}
  .cap-card{padding:22px;}
  .insight-panel{padding:28px 22px;}
  .cta-band{padding:30px 22px;}
  .hero-actions .btn{width:100%;}
  .trust-row{gap:8px;}
  .trust-chip{font-size:.8125rem;padding:7px 13px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}

/* roulang page: category2 */
:root{
  --brand:#0E7490;
  --brand-dark:#0B4F63;
  --brand-deep:#0B3A46;
  --brand-light:#E6F4F7;
  --action:#F59E0B;
  --action-dark:#D97706;
  --action-light:#FEF3C7;
  --mint:#14B8A6;
  --mint-light:#CCFBF1;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --text:#0F172A;
  --muted:#64748B;
  --border:#E2E8F0;
  --success:#16A34A;
  --error:#DC2626;
  --r-sm:8px;
  --r-md:12px;
  --r-card:16px;
  --r-nav:18px;
  --r-lg:20px;
  --shadow-xs:0 1px 2px rgba(15,23,42,.04);
  --shadow-card:0 8px 24px rgba(15,23,42,.06);
  --shadow-hover:0 14px 34px rgba(15,23,42,.10);
  --shadow-nav:0 10px 30px rgba(15,23,42,.08);
  --font:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:1rem;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{
  margin:0 0 .6em;
  line-height:1.25;
  letter-spacing:-.01em;
  font-weight:700;
  color:var(--text);
}
h1{font-size:clamp(1.75rem,2.6vw,2.75rem);}
h2{font-size:clamp(1.5rem,2.1vw,2rem);}
h3{font-size:1.25rem;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
button,input,select,textarea{font-family:inherit;font-size:1rem;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.container{max-width:1240px;padding-left:20px;padding-right:20px;}
.section{padding:88px 0;}
.section-sm{padding:64px 0;}
.section-title{margin-bottom:12px;}
.section-lead{color:var(--muted);max-width:720px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;font-weight:500;letter-spacing:.04em;
  color:var(--brand-dark);
  background:var(--brand-light);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-light);color:var(--brand-dark);
  font-size:.8125rem;font-weight:500;
  padding:5px 12px;border-radius:999px;
}
.badge-mint{background:var(--mint-light);color:#0F766E;}
.badge-action{background:var(--action-light);color:#92400E;}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  padding:14px 0;
  background:rgba(246,249,252,.92);
  backdrop-filter:saturate(140%) blur(10px);
}
.nav-panel{
  display:flex;align-items:center;gap:18px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-nav);
  box-shadow:var(--shadow-nav);
  padding:10px 16px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-dark) 100%);
  color:#fff;font-size:1rem;
  box-shadow:0 6px 14px rgba(14,116,144,.28);
}
.brand-text{font-weight:700;font-size:1.125rem;color:var(--brand-dark);letter-spacing:-.01em;}
.nav-grid{
  display:flex;align-items:center;gap:6px;
  margin:0 auto;flex-wrap:nowrap;
}
.nav-item{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 13px;border-radius:var(--r-md);
  font-size:.9375rem;font-weight:500;color:var(--muted);
  border:1px solid transparent;
  white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.nav-item i{font-size:.875rem;color:var(--brand);opacity:.85;}
.nav-item:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-1px);}
.nav-item.active{
  background:var(--brand-light);
  color:var(--brand-dark);
  border-color:rgba(14,116,144,.35);
  font-weight:600;
}
.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  width:42px;height:42px;border-radius:var(--r-md);
  border:1px solid var(--border);background:var(--surface);
  color:var(--brand-dark);font-size:1.05rem;
}
.nav-toggle:hover{background:var(--brand-light);}

/* Buttons */
.btn{
  border-radius:var(--r-md);
  font-weight:600;
  padding:11px 22px;
  border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;box-shadow:none;}
.btn-brand{background:var(--brand);color:#fff;}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(14,116,144,.26);}
.btn-action{background:var(--action);color:#3F2A02;}
.btn-action:hover{background:var(--action-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(217,119,6,.28);}
.btn-outline-brand{background:var(--surface);color:var(--brand-dark);border-color:rgba(14,116,144,.4);}
.btn-outline-brand:hover{background:var(--brand-light);color:var(--brand-dark);border-color:var(--brand);}
.btn-ghost-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.35);}
.btn-ghost-light:hover{background:rgba(255,255,255,.24);color:#fff;}
.btn-lg{padding:14px 28px;font-size:1.0625rem;}
.btn-sm{padding:8px 16px;font-size:.875rem;}

/* ============ Hero ============ */
.cat-hero{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--brand-deep) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:#fff;
  padding:64px 0;
  margin-top:8px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,58,70,.94) 0%,rgba(11,79,99,.86) 48%,rgba(14,116,144,.66) 100%);
}
.cat-hero .container{position:relative;z-index:2;}
.cat-hero .eyebrow{background:rgba(255,255,255,.16);color:#E6F4F7;}
.cat-hero h1{color:#fff;max-width:16em;}
.cat-hero .lead{color:rgba(255,255,255,.86);font-size:1.0625rem;max-width:640px;margin-bottom:26px;}
.cat-hero .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 22px;}
.hero-trust span{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.875rem;color:rgba(255,255,255,.85);
}
.hero-trust i{color:#7DD3E0;}
.hero-side{
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.24);
  border-radius:var(--r-card);
  padding:20px;
  color:#fff;
}
.hero-side img{border-radius:var(--r-md);box-shadow:0 18px 40px rgba(0,0,0,.28);}
.hero-mini-list{margin-top:16px;}
.hero-mini-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:.875rem;color:rgba(255,255,255,.85);
  padding:6px 0;
}
.hero-mini-list i{color:#7DD3E0;margin-top:5px;}

/* ============ Metric strip ============ */
.metric-strip{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  padding:6px 0;
  margin-top:-38px;
  position:relative;z-index:5;
}
.metric-item{
  padding:22px 20px;
  text-align:center;
  border-right:1px solid var(--border);
}
.metric-item:last-child{border-right:0;}
.metric-item .m-icon{
  width:44px;height:44px;margin:0 auto 10px;
  border-radius:12px;background:var(--brand-light);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand);font-size:1.05rem;
}
.metric-item strong{display:block;font-size:1.0625rem;color:var(--brand-dark);}
.metric-item span{font-size:.8125rem;color:var(--muted);}

/* ============ Cards ============ */
.card-soft{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  padding:26px;
  height:100%;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card-soft:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(14,116,144,.32);}
.card-soft h3{margin-bottom:10px;}
.card-soft p{color:var(--muted);font-size:.9375rem;}
.icon-box{
  width:48px;height:48px;border-radius:14px;
  background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:1.15rem;margin-bottom:16px;
}
.icon-box.mint{background:var(--mint-light);color:#0F766E;}
.icon-box.action{background:var(--action-light);color:var(--action-dark);}

/* ============ Timeline ============ */
.timeline{position:relative;padding-left:6px;}
.timeline::before{
  content:"";position:absolute;left:25px;top:14px;bottom:14px;
  width:2px;background:linear-gradient(180deg,var(--brand) 0%,rgba(20,184,166,.5) 100%);
}
.tl-item{position:relative;padding:0 0 26px 70px;}
.tl-item:last-child{padding-bottom:0;}
.tl-num{
  position:absolute;left:0;top:0;
  width:50px;height:50px;border-radius:50%;
  background:var(--surface);border:2px solid rgba(14,116,144,.28);
  color:var(--brand-dark);font-weight:700;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-xs);font-size:1rem;
}
.tl-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  padding:22px 24px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(14,116,144,.3);}
.tl-card h3{font-size:1.125rem;margin-bottom:8px;}
.tl-card p{color:var(--muted);font-size:.9375rem;margin:0;}
.tl-tag{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px;}

/* ============ Scenario (image + text) ============ */
.scene-wrap{
  background:var(--brand-light);
  border-radius:var(--r-lg);
  padding:36px;
}
.scene-img{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-card);}
.scene-img img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:9px 0;font-size:.9375rem;color:#334155;
}
.check-list i{color:var(--mint);margin-top:5px;}
.scene-note{
  background:var(--surface);border:1px dashed rgba(14,116,144,.35);
  border-radius:var(--r-md);padding:14px 18px;font-size:.875rem;color:var(--muted);
  margin-top:18px;
}

/* ============ Device cards ============ */
.device-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-card);box-shadow:var(--shadow-card);
  padding:24px;height:100%;position:relative;overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.device-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(14,116,144,.3);}
.device-card::after{
  content:"";position:absolute;right:-30px;top:-30px;
  width:110px;height:110px;border-radius:50%;
  background:var(--brand-light);opacity:.7;
}
.device-card > *{position:relative;z-index:2;}
.device-card h3{font-size:1.0625rem;display:flex;align-items:center;gap:10px;}
.device-card h3 i{color:var(--brand);}
.spec-row{
  display:flex;justify-content:space-between;gap:12px;
  padding:10px 0;border-bottom:1px dashed var(--border);font-size:.875rem;
}
.spec-row:last-child{border-bottom:0;}
.spec-row span{color:var(--muted);}
.spec-row strong{color:var(--brand-dark);font-weight:600;}

/* ============ FAQ ============ */
.faq-accordion .accordion-item{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:14px!important;
  box-shadow:var(--shadow-xs);
  margin-bottom:14px;
  overflow:hidden;
}
.faq-accordion .accordion-button{
  background:var(--surface);
  color:var(--text);
  font-weight:600;
  font-size:1.0625rem;
  padding:20px 22px;
  border-radius:14px!important;
  box-shadow:none;
}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--brand-dark);
  background:var(--brand-light);
  border-left:4px solid var(--brand);
}
.faq-accordion .accordion-button:focus{box-shadow:none;outline:2px solid var(--brand);outline-offset:-2px;}
.faq-accordion .accordion-button::after{
  content:"\f067";
  font-family:"Font Awesome 6 Free";font-weight:900;
  background-image:none;
  width:auto;height:auto;
  font-size:.8125rem;color:var(--brand);
  transition:transform .25s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--brand-dark);}
.faq-accordion .accordion-body{
  padding:4px 22px 22px;
  color:var(--muted);
  font-size:.9375rem;
  background:var(--surface);
}

/* ============ CTA + Form ============ */
.cta-block{
  background:linear-gradient(115deg,var(--brand-dark) 0%,var(--brand) 62%,#1098B5 100%);
  border-radius:var(--r-lg);
  color:#fff;
  padding:48px;
  position:relative;
  overflow:hidden;
}
.cta-block::after{
  content:"";position:absolute;right:-60px;bottom:-60px;
  width:240px;height:240px;border-radius:50%;
  background:rgba(255,255,255,.08);
}
.cta-block h2{color:#fff;}
.cta-block p{color:rgba(255,255,255,.86);}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:.9375rem;color:rgba(255,255,255,.9);padding:5px 0;}
.cta-points i{color:#7DD3E0;margin-top:5px;}

.form-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  padding:28px;
}
.form-label{font-size:.875rem;font-weight:600;color:#334155;margin-bottom:6px;}
.form-control,.form-select{
  border-radius:var(--r-md);
  border:1px solid var(--border);
  padding:11px 14px;
  font-size:.9375rem;
  color:var(--text);
  background-color:var(--surface);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-control::placeholder{color:#94A3B8;}
.form-control:focus,.form-select:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(14,116,144,.14);
  outline:none;
}
.form-control.is-invalid,.form-select.is-invalid{border-color:var(--error);}
.form-control.is-invalid:focus,.form-select.is-invalid:focus{box-shadow:0 0 0 4px rgba(220,38,38,.14);}
.form-check-input{border-color:#CBD5E1;}
.form-check-input:checked{background-color:var(--brand);border-color:var(--brand);}
.form-check-input:focus{box-shadow:0 0 0 4px rgba(14,116,144,.14);border-color:var(--brand);}
.form-check-label{font-size:.875rem;color:var(--muted);}
.err-msg{display:none;font-size:.8125rem;color:var(--error);margin-top:6px;}
.err-msg.show{display:block;}
.form-note{
  display:none;border-radius:var(--r-md);padding:14px 16px;font-size:.9375rem;margin-bottom:18px;
}
.form-note.show{display:flex;gap:10px;align-items:flex-start;}
.form-note.success{background:#ECFDF5;color:#166534;border:1px solid #BBF7D0;}
.form-note.error{background:#FEF2F2;color:#991B1B;border:1px solid #FECACA;}

/* ============ Footer ============ */
.site-footer{
  background:var(--brand-deep);
  color:#fff;
  padding:64px 0 26px;
  margin-top:8px;
}
.site-footer .brand-text{color:#fff;}
.site-footer h4{font-size:1rem;color:#fff;margin-bottom:16px;font-weight:600;}
.site-footer p{color:rgba(255,255,255,.72);font-size:.9375rem;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#A5F3FC;font-size:.9375rem;transition:color .2s ease,padding-left .2s ease;}
.footer-links a:hover{color:#fff;padding-left:4px;}
.footer-contact li{
  display:flex;gap:10px;align-items:flex-start;
  color:rgba(255,255,255,.78);font-size:.9375rem;margin-bottom:12px;
}
.footer-contact i{color:#7DD3E0;margin-top:5px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.16);
  margin-top:38px;padding-top:20px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:.8125rem;color:rgba(255,255,255,.6);
}

/* ============ Offcanvas ============ */
.offcanvas.mobile-panel{
  border-radius:var(--r-nav) 0 0 var(--r-nav);
  border:none;background:var(--bg);
  max-width:88%;
}
.mobile-panel .offcanvas-header{border-bottom:1px solid var(--border);padding:18px 20px;}
.mobile-panel .offcanvas-body{padding:20px;}
.mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px;}
.mobile-grid a{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  padding:14px 12px;
  color:var(--muted);font-size:.875rem;font-weight:500;
  display:flex;flex-direction:column;gap:8px;
  box-shadow:var(--shadow-xs);
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.mobile-grid a i{color:var(--brand);font-size:1.05rem;}
.mobile-grid a:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-2px);}
.mobile-grid a.active{background:var(--brand-light);color:var(--brand-dark);border-color:rgba(14,116,144,.4);font-weight:600;}

/* ============ Mobile sticky CTA ============ */
.mobile-cta{display:none;}
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:var(--surface);
  border-top:1px solid var(--border);
  box-shadow:0 -8px 24px rgba(15,23,42,.08);
  padding:10px 14px calc(10px + env(safe-area-inset-bottom));
  align-items:center;gap:12px;
}
.mobile-cta .mc-text{flex:1;font-size:.8125rem;color:var(--muted);line-height:1.4;}
.mobile-cta .mc-text strong{display:block;color:var(--brand-dark);font-size:.875rem;}
.mobile-cta .mc-icon{
  width:44px;height:44px;border-radius:var(--r-md);
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(14,116,144,.4);color:var(--brand-dark);background:var(--surface);
}

/* ============ Responsive ============ */
@media (max-width:1199.98px){
  .nav-item{padding:8px 10px;font-size:.875rem;}
  .nav-item i{font-size:.8125rem;}
}
@media (max-width:991.98px){
  .section{padding:72px 0;}
  .cat-hero{padding:52px 0;}
  .cta-block{padding:34px 26px;}
  .scene-wrap{padding:26px;}
  .mobile-cta{display:flex;}
  body{padding-bottom:88px;}
  .metric-strip{margin-top:-26px;}
  .metric-item{border-right:0;border-bottom:1px solid var(--border);}
  .metric-item:last-child{border-bottom:0;}
}
@media (max-width:767.98px){
  .section{padding:56px 0;}
  .cat-hero{padding:42px 0;border-radius:var(--r-card);}
  .cat-hero h1{max-width:none;}
  .cta-block{padding:28px 20px;}
  .timeline::before{left:21px;}
  .tl-item{padding-left:60px;}
  .tl-num{width:42px;height:42px;font-size:.9375rem;}
  .card-soft{padding:22px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:575.98px){
  .mobile-grid{grid-template-columns:1fr;}
  .hero-trust{flex-direction:column;gap:10px;}
  .btn-lg{padding:12px 20px;font-size:1rem;}
}

/* roulang page: category3 */
:root{
  --brand:#0E7490;
  --brand-dark:#0B4F63;
  --brand-deep:#0B3A46;
  --brand-light:#E6F4F7;
  --action:#F59E0B;
  --action-dark:#D97706;
  --action-light:#FEF3C7;
  --mint:#14B8A6;
  --mint-light:#CCFBF1;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --text:#0F172A;
  --muted:#64748B;
  --border:#E2E8F0;
  --ok:#16A34A;
  --err:#DC2626;
  --radius-s:8px;
  --radius-m:12px;
  --radius-card:16px;
  --radius-nav:18px;
  --radius-lg:20px;
  --shadow-xs:0 1px 2px rgba(15,23,42,.04);
  --shadow-card:0 8px 24px rgba(15,23,42,.06);
  --shadow-hover:0 14px 34px rgba(15,23,42,.10);
  --shadow-nav:0 10px 30px rgba(15,23,42,.08);
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:1rem;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  padding-bottom:0;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4,h5{line-height:1.25;letter-spacing:-.01em;font-weight:700;color:var(--text);margin:0 0 .6rem;}
h1{font-size:clamp(1.75rem,2.6vw,2.75rem);}
h2{font-size:clamp(1.5rem,2.1vw,2rem);}
h3{font-size:1.25rem;font-weight:600;}
p{margin:0 0 1rem;}
ul,ol{margin:0;padding:0;}
li{list-style:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.container{max-width:1260px;padding-left:20px;padding-right:20px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  padding:14px 0;
  background:rgba(246,249,252,.92);
  backdrop-filter:blur(10px);
}
.nav-panel{
  display:flex;
  align-items:center;
  gap:18px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-nav);
  box-shadow:var(--shadow-nav);
  padding:12px 18px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--brand-dark);
  font-weight:700;
  font-size:1.0625rem;
  letter-spacing:-.01em;
}
.brand:hover{color:var(--brand-dark);}
.brand-mark{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--mint) 100%);
  color:#fff;
  font-size:1rem;
  box-shadow:0 6px 16px rgba(14,116,144,.28);
}
.brand-text{white-space:nowrap;}
.nav-grid{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1 1 auto;
  justify-content:center;
  flex-wrap:nowrap;
}
.nav-item{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 12px;
  border-radius:var(--radius-m);
  border:1px solid transparent;
  color:#334155;
  font-size:.9375rem;
  font-weight:500;
  white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.nav-item i{font-size:.875rem;color:var(--muted);transition:color .2s ease;}
.nav-item:hover{background:var(--brand-light);color:var(--brand-dark);}
.nav-item:hover i{color:var(--brand);}
.nav-item.active{
  background:var(--brand-light);
  color:var(--brand-dark);
  border-color:rgba(14,116,144,.35);
  font-weight:600;
}
.nav-item.active i{color:var(--brand);}
.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  width:42px;height:42px;
  border-radius:var(--radius-m);
  border:1px solid var(--border);
  background:var(--surface);
  color:var(--brand-dark);
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--brand-light);border-color:rgba(14,116,144,.3);}

/* 移动端抽屉 */
.mobile-nav{border-radius:var(--radius-lg) 0 0 var(--radius-lg);border:1px solid var(--border);}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--border);padding:18px 20px;}
.mobile-nav .offcanvas-title{font-size:1.0625rem;font-weight:700;color:var(--brand-dark);}
.mobile-nav .offcanvas-body{padding:18px 20px 28px;}
.mobile-nav-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;}
.m-card{
  display:flex;flex-direction:column;gap:8px;
  padding:16px 14px;
  border-radius:var(--radius-m);
  border:1px solid var(--border);
  background:var(--surface);
  color:var(--text);
  font-size:.9375rem;
  font-weight:500;
  box-shadow:var(--shadow-xs);
}
.m-card i{color:var(--brand);font-size:1.05rem;}
.m-card:hover{background:var(--brand-light);border-color:rgba(14,116,144,.35);color:var(--brand-dark);}
.m-card.active{background:var(--brand-light);border-color:var(--brand);color:var(--brand-dark);font-weight:600;}

/* ---------- 按钮 ---------- */
.btn{
  --bs-btn-focus-box-shadow:0 0 0 .2rem rgba(14,116,144,.25);
  border-radius:var(--radius-m);
  font-weight:600;
  font-size:.9375rem;
  padding:11px 20px;
  border:1px solid transparent;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(14,116,144,.22);}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(14,116,144,.28);}
.btn-action{background:var(--action);color:#3d2a03;box-shadow:0 6px 16px rgba(245,158,11,.24);}
.btn-action:hover{background:var(--action-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(217,119,6,.3);}
.btn-ghost{background:var(--surface);color:var(--brand-dark);border-color:rgba(14,116,144,.35);}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);border-color:var(--brand);transform:translateY(-1px);}
.btn-quiet{background:var(--surface);color:var(--muted);border-color:var(--border);}
.btn-quiet:hover{background:var(--brand-light);color:var(--brand-dark);border-color:rgba(14,116,144,.3);}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-sm{padding:64px 0;}
.section-head{max-width:760px;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:.8125rem;font-weight:600;letter-spacing:.04em;
  color:var(--brand-dark);
  background:var(--brand-light);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:14px;
}
.section-head p{color:var(--muted);font-size:1.0625rem;margin:0;}
.text-muted-2{color:var(--muted);}

.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);box-shadow:var(--shadow-card);}
.card-lift{transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.card-lift:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(14,116,144,.28);}
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:999px;
  font-size:.8125rem;
  font-weight:600;
  padding:5px 12px;
  background:var(--brand-light);
  color:var(--brand-dark);
}
.badge-mint{background:var(--mint-light);color:#0F766E;}
.badge-action{background:var(--action-light);color:#92400E;}

/* ---------- 小 Hero ---------- */
.cat-hero{padding:24px 0 8px;}
.hero-card{
  position:relative;
  border-radius:var(--radius-lg);
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  background-image:linear-gradient(115deg,rgba(246,249,252,.94) 0%,rgba(230,244,247,.9) 55%,rgba(204,251,241,.82) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  padding:44px 40px;
}
.breadcrumb-line{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:.875rem;
  color:var(--muted);
  margin-bottom:16px;
}
.breadcrumb-line a{color:var(--brand);font-weight:500;}
.breadcrumb-line a:hover{color:var(--brand-dark);}
.breadcrumb-line .sep{color:#CBD5E1;}
.hero-card h1{margin-bottom:14px;}
.hero-card h1 .hl{
  background:linear-gradient(180deg,transparent 62%,rgba(20,184,166,.32) 62%);
  padding:0 2px;
}
.hero-lead{font-size:1.0625rem;color:#334155;max-width:640px;margin-bottom:22px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:20px;}
.hero-notes{display:flex;flex-wrap:wrap;gap:10px;}
.hero-note{
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(255,255,255,.86);
  border:1px solid var(--border);
  border-radius:999px;
  padding:6px 14px;
  font-size:.8125rem;
  color:#334155;
  font-weight:500;
}
.hero-note i{color:var(--mint);}

/* 深色指标面板 */
.hud{
  background:linear-gradient(160deg,#0B3A46 0%,#0B4F63 100%);
  border-radius:var(--radius-card);
  padding:24px;
  color:#E6F4F7;
  box-shadow:0 16px 36px rgba(11,58,70,.28);
}
.hud-title{
  font-size:.8125rem;letter-spacing:.08em;text-transform:uppercase;
  color:#7DD3D8;font-weight:600;margin-bottom:16px;display:flex;align-items:center;gap:8px;
}
.hud-row{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px dashed rgba(165,243,252,.22);}
.hud-row:last-child{border-bottom:0;padding-bottom:0;}
.hud-row .k{font-size:.875rem;color:#A5F3FC;font-weight:500;}
.hud-row .v{font-size:.9375rem;font-weight:600;color:#fff;text-align:right;}
.hud-foot{
  margin-top:16px;padding-top:14px;border-top:1px solid rgba(165,243,252,.2);
  font-size:.8125rem;color:#9FD8DE;display:flex;align-items:center;gap:8px;
}

/* ---------- 数据条 ---------- */
.stat-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:24px;
  height:100%;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(14,116,144,.28);}
.stat-icon{
  width:44px;height:44px;border-radius:var(--radius-m);
  background:var(--brand-light);color:var(--brand-dark);
  display:inline-flex;align-items:center;justify-content:center;font-size:1.05rem;margin-bottom:14px;
}
.stat-num{font-size:1.5rem;font-weight:700;color:var(--brand-dark);letter-spacing:-.02em;display:block;margin-bottom:6px;}
.stat-card p{margin:0;color:var(--muted);font-size:.9375rem;}

/* ---------- 对比表 ---------- */
.table-wrap{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
table.compare{
  width:100%;
  min-width:720px;
  border-collapse:separate;
  border-spacing:0;
  font-size:.9375rem;
}
table.compare th,table.compare td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--border);vertical-align:top;}
table.compare thead th{
  background:var(--brand-light);
  color:var(--brand-dark);
  font-weight:700;
  font-size:.9375rem;
  border-bottom:1px solid rgba(14,116,144,.22);
  white-space:nowrap;
}
table.compare thead th:first-child{color:var(--brand-dark);}
table.compare tbody tr:last-child td{border-bottom:0;}
table.compare tbody tr:hover{background:#FAFCFE;}
table.compare td:first-child{font-weight:600;color:var(--text);width:180px;}
table.compare td.col-web{background:rgba(20,184,166,.05);}
.mark-yes{color:var(--ok);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.mark-no{color:var(--muted);display:inline-flex;align-items:center;gap:6px;}

/* ---------- 规格卡 ---------- */
.spec-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:26px;
  height:100%;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.spec-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(14,116,144,.28);}
.spec-top{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.spec-top .ic{
  width:40px;height:40px;border-radius:var(--radius-m);
  background:var(--mint-light);color:#0F766E;
  display:inline-flex;align-items:center;justify-content:center;font-size:1rem;flex:0 0 auto;
}
.spec-card h3{font-size:1.0625rem;margin:0;}
.spec-card p{color:var(--muted);font-size:.9375rem;margin:0;}
.spec-list{margin-top:14px;padding-top:14px;border-top:1px dashed var(--border);}
.spec-list li{
  position:relative;padding-left:20px;color:#334155;font-size:.9375rem;margin-bottom:8px;
}
.spec-list li:last-child{margin-bottom:0;}
.spec-list li::before{
  content:"";position:absolute;left:0;top:.6em;width:8px;height:8px;border-radius:50%;
  background:var(--brand);opacity:.65;
}

/* ---------- 图文双列 ---------- */
.media-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  align-items:center;
}
.media-row + .media-row{margin-top:56px;}
.media-row.reverse .media-text{order:2;}
.media-row.reverse .media-figure{order:1;}
.media-figure{
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
  background:var(--brand-light);
  position:relative;
}
.media-figure img{width:100%;height:340px;object-fit:cover;}
.media-figure .fig-tag{
  position:absolute;left:16px;top:16px;
  background:rgba(255,255,255,.94);
  border:1px solid var(--border);
  border-radius:999px;
  padding:5px 13px;
  font-size:.8125rem;
  font-weight:600;
  color:var(--brand-dark);
}
.media-text h2{font-size:clamp(1.35rem,1.9vw,1.75rem);margin-bottom:12px;}
.media-text > p{color:var(--muted);}
.point-list{margin-top:18px;}
.point-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 16px;
  border:1px solid var(--border);
  border-radius:var(--radius-m);
  background:var(--surface);
  margin-bottom:10px;
  box-shadow:var(--shadow-xs);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.point-list li:hover{border-color:rgba(14,116,144,.3);box-shadow:var(--shadow-card);transform:translateY(-1px);}
.point-list li i{color:var(--brand);margin-top:.28em;}
.point-list li strong{display:block;font-weight:600;margin-bottom:2px;}
.point-list li span{color:var(--muted);font-size:.9375rem;}

/* ---------- 标签墙 ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.tag-item{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 16px;
  border-radius:999px;
  border:1px solid var(--border);
  background:var(--surface);
  color:#334155;
  font-size:.875rem;
  font-weight:500;
  box-shadow:var(--shadow-xs);
  transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease;
}
.tag-item:hover{background:var(--brand-light);border-color:rgba(14,116,144,.3);color:var(--brand-dark);transform:translateY(-1px);}
.tag-item i{color:var(--mint);font-size:.8125rem;}

/* ---------- FAQ ---------- */
.accordion-item{
  border:1px solid var(--border) !important;
  border-radius:14px !important;
  background:var(--surface);
  box-shadow:var(--shadow-xs);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:rgba(14,116,144,.35) !important;
  box-shadow:var(--shadow-card);
}
.accordion-button{
  font-weight:600;
  font-size:1rem;
  color:var(--text);
  background:var(--surface);
  padding:20px 22px;
  border:0;
  box-shadow:none !important;
  border-left:4px solid transparent;
}
.accordion-button:not(.collapsed){
  color:var(--brand-dark);
  background:var(--brand-light);
  border-left-color:var(--brand);
}
.accordion-button::after{
  content:"\f067";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  background-image:none;
  width:auto;height:auto;
  font-size:.8125rem;
  color:var(--brand);
  transition:transform .25s ease;
}
.accordion-button:not(.collapsed)::after{content:"\f068";transform:rotate(180deg);}
.accordion-body{
  padding:6px 22px 22px;
  color:var(--muted);
  font-size:.9375rem;
  background:var(--surface);
}

/* ---------- CTA + 表单 ---------- */
.cta-block{
  background:linear-gradient(150deg,#0B3A46 0%,#0B4F63 62%,#0E7490 100%);
  border-radius:var(--radius-lg);
  padding:48px 44px;
  color:#E6F4F7;
  box-shadow:0 20px 44px rgba(11,58,70,.26);
}
.cta-block h2{color:#fff;margin-bottom:14px;}
.cta-block p{color:#BFE6EC;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;color:#D9F2F5;margin-bottom:10px;font-size:.9375rem;}
.cta-points li i{color:#5EEAD4;margin-top:.3em;}
.lead-card{
  background:var(--surface);
  border-radius:var(--radius-card);
  padding:26px;
  box-shadow:0 18px 40px rgba(8,35,45,.22);
}
.lead-card h3{font-size:1.125rem;margin-bottom:6px;}
.lead-card .lead-sub{color:var(--muted);font-size:.875rem;margin-bottom:18px;}
.form-label{font-size:.875rem;font-weight:600;color:#334155;margin-bottom:6px;}
.form-control,.form-select{
  border-radius:var(--radius-m);
  border:1px solid var(--border);
  padding:11px 14px;
  font-size:.9375rem;
  color:var(--text);
  background:var(--surface);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-control::placeholder{color:#94A3B8;}
.form-control:focus,.form-select:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(14,116,144,.14);
  outline:none;
}
.form-control.is-invalid,.form-select.is-invalid{border-color:var(--err);box-shadow:0 0 0 4px rgba(220,38,38,.12);}
.form-check-input{border-radius:5px;border-color:#CBD5E1;}
.form-check-input:checked{background-color:var(--brand);border-color:var(--brand);}
.form-check-input:focus{box-shadow:0 0 0 4px rgba(14,116,144,.16);border-color:var(--brand);}
.form-check-label{font-size:.875rem;color:#475569;}
.form-status{
  border-radius:var(--radius-m);
  padding:12px 14px;
  font-size:.875rem;
  margin-top:14px;
  display:flex;gap:10px;align-items:flex-start;
}
.form-status.ok{background:#ECFDF5;color:#166534;border:1px solid #BBF7D0;}
.form-status.err{background:#FEF2F2;color:#991B1B;border:1px solid #FECACA;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#E6F4F7;padding:64px 0 0;margin-top:20px;}
.site-footer .brand{color:#fff;}
.site-footer .brand:hover{color:#fff;}
.site-footer .brand-mark{background:linear-gradient(135deg,#14B8A6 0%,#0E7490 100%);box-shadow:none;}
.site-footer p{color:#A5D6DD;font-size:.9375rem;}
.site-footer h4{color:#fff;font-size:1rem;font-weight:600;margin-bottom:16px;}
.footer-links li,.footer-contact li{margin-bottom:10px;font-size:.9375rem;}
.footer-links a{color:#A5F3FC;}
.footer-links a:hover{color:#fff;}
.footer-contact li{color:#A5D6DD;display:flex;gap:10px;align-items:flex-start;}
.footer-contact li i{color:#5EEAD4;margin-top:.3em;}
.footer-bottom{
  margin-top:44px;
  border-top:1px solid rgba(165,243,252,.18);
  padding:22px 0;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:.8125rem;color:#87C3CC;
}

/* ---------- 底部固定转化条 ---------- */
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:#fff;
  border-top:1px solid var(--border);
  box-shadow:0 -8px 24px rgba(15,23,42,.10);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  display:none;
  align-items:center;
  gap:12px;
}
.mobile-cta .mc-text{font-size:.8125rem;color:var(--muted);flex:1 1 auto;line-height:1.4;}
.mobile-cta .mc-text strong{display:block;color:var(--brand-dark);font-size:.875rem;}
.mobile-cta .mc-actions{display:flex;gap:8px;flex:0 0 auto;}
.mobile-cta .mc-icon{
  width:42px;height:42px;border-radius:var(--radius-m);
  border:1px solid var(--border);
  background:var(--surface);color:var(--brand-dark);
  display:inline-flex;align-items:center;justify-content:center;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-item{padding:8px 10px;font-size:.875rem;}
  .nav-grid{gap:4px;}
}
@media (max-width:991.98px){
  .nav-grid{display:none;}
  .nav-panel{padding:10px 14px;gap:12px;}
  .brand{font-size:1rem;}
  .section{padding:72px 0;}
  .section-sm{padding:56px 0;}
  .hero-card{padding:34px 26px;}
  .media-row{grid-template-columns:1fr;gap:26px;}
  .media-row.reverse .media-text{order:1;}
  .media-row.reverse .media-figure{order:2;}
  .media-figure img{height:280px;}
  .cta-block{padding:36px 28px;}
  .mobile-cta{display:flex;}
  body{padding-bottom:78px;}
}
@media (max-width:767.98px){
  .section{padding:56px 0;}
  .section-sm{padding:46px 0;}
  .section-head{margin-bottom:28px;}
  .hero-card{padding:26px 20px;}
  .hero-card h1{font-size:1.6rem;}
  .hero-lead{font-size:1rem;}
  .btn{padding:10px 16px;font-size:.875rem;}
  .hud{padding:20px;}
  .stat-card,.spec-card{padding:20px;}
  .accordion-button{padding:16px 16px;font-size:.9375rem;}
  .accordion-body{padding:4px 16px 18px;}
  .cta-block{padding:28px 20px;border-radius:var(--radius-card);}
  .lead-card{padding:20px;}
  .footer-bottom{justify-content:flex-start;}
}
@media (max-width:519.98px){
  .container{padding-left:16px;padding-right:16px;}
  .hero-actions .btn{width:100%;}
  .hero-note{font-size:.75rem;padding:5px 11px;}
  .stat-num{font-size:1.25rem;}
  .media-figure img{height:220px;}
  .mobile-cta .mc-text{display:none;}
  .mobile-cta{justify-content:space-between;}
}

/* roulang page: category4 */
:root{
  --primary:#0E7490;
  --primary-dark:#0B4F63;
  --primary-deep:#0B3A46;
  --primary-light:#E6F4F7;
  --action:#F59E0B;
  --action-dark:#D97706;
  --action-light:#FEF3C7;
  --mint:#14B8A6;
  --mint-light:#CCFBF1;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --text:#0F172A;
  --muted:#64748B;
  --border:#E2E8F0;
  --success:#16A34A;
  --danger:#DC2626;
  --r-sm:8px;
  --r-md:12px;
  --r-card:16px;
  --r-nav:18px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-xs:0 1px 2px rgba(15,23,42,.04);
  --shadow-card:0 8px 24px rgba(15,23,42,.06);
  --shadow-hover:0 14px 34px rgba(15,23,42,.10);
  --shadow-nav:0 10px 30px rgba(15,23,42,.08);
  --ff:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--ff);
  font-size:1rem;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--primary-dark);}
h1,h2,h3,h4,h5{margin:0 0 .6em;font-weight:700;line-height:1.25;letter-spacing:-.01em;color:var(--text);}
h1{font-size:clamp(1.75rem,2.6vw,2.75rem);}
h2{font-size:clamp(1.5rem,2.1vw,2rem);}
h3{font-size:1.25rem;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.container{max-width:1240px;padding-left:20px;padding-right:20px;}
.section{padding:88px 0;}
.section-sm{padding:64px 0;}
.section-head{max-width:760px;margin:0 auto 48px;text-align:center;}
.section-head p{color:var(--muted);margin-bottom:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--primary-light);color:var(--primary-dark);
  font-size:.8125rem;font-weight:500;padding:6px 14px;border-radius:var(--r-pill);
  margin-bottom:16px;letter-spacing:.02em;
}
.text-muted-2{color:var(--muted);}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  padding:14px 0;
  background:rgba(246,249,252,.86);
  backdrop-filter:blur(10px);
}
.nav-panel{
  display:flex;align-items:center;gap:18px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-nav);
  box-shadow:var(--shadow-nav);
  padding:10px 18px;
}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--primary-dark);}
.brand-mark{
  width:38px;height:38px;border-radius:var(--r-md);
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary) 0%,var(--mint) 100%);
  color:#fff;font-size:1.05rem;flex:0 0 auto;
}
.brand-text{font-size:1.125rem;font-weight:700;letter-spacing:-.01em;}
.nav-grid{display:flex;align-items:center;gap:6px;flex:1 1 auto;margin:0;}
.nav-item{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;border-radius:var(--r-md);
  border:1px solid transparent;
  color:var(--muted);font-size:.9375rem;font-weight:500;white-space:nowrap;
}
.nav-item i{font-size:.875rem;color:var(--primary);opacity:.85;}
.nav-item:hover{background:var(--primary-light);color:var(--primary-dark);border-color:rgba(14,116,144,.16);}
.nav-item.active{background:var(--primary-light);color:var(--primary-dark);border-color:rgba(14,116,144,.35);font-weight:700;}
.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  width:44px;height:44px;border-radius:var(--r-md);
  border:1px solid var(--border);background:var(--surface);color:var(--primary-dark);
  display:inline-flex;align-items:center;justify-content:center;font-size:1.1rem;
}
.nav-toggle:hover{background:var(--primary-light);}

/* ---------- buttons ---------- */
.btn{
  --bs-btn-focus-box-shadow:none;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;font-size:.9375rem;line-height:1.2;
  padding:12px 22px;border-radius:var(--r-md);
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-main{background:var(--primary);color:#fff;box-shadow:var(--shadow-xs);}
.btn-main:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-hover);}
.btn-action{background:var(--action);color:#fff;box-shadow:0 4px 12px rgba(245,158,11,.28);}
.btn-action:hover{background:var(--action-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(245,158,11,.32);}
.btn-ghost{background:var(--surface);color:var(--primary-dark);border-color:rgba(14,116,144,.35);}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark);border-color:var(--primary);}
.btn-light-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.4);}
.btn-light-ghost:hover{background:rgba(255,255,255,.24);color:#fff;}
.btn-lg{padding:14px 28px;font-size:1rem;}
.btn-sm{padding:9px 16px;font-size:.875rem;}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#EAF5F8 0%,#F6F9FC 100%);
  padding:72px 0 80px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.12;pointer-events:none;
}
.cat-hero .container{position:relative;z-index:1;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.cat-hero h1{margin-bottom:16px;}
.lead{font-size:1.0625rem;color:var(--muted);max-width:560px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px;}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;}
.trust-chip{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-pill);
  padding:7px 14px;font-size:.8125rem;color:var(--muted);box-shadow:var(--shadow-xs);
}
.trust-chip i{color:var(--mint);}
.hero-visual{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);padding:18px;position:relative;
}
.hero-visual img{border-radius:var(--r-card);width:100%;height:300px;object-fit:cover;}
.hero-visual .float-card{
  position:absolute;left:-18px;bottom:24px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  box-shadow:var(--shadow-hover);padding:14px 16px;display:flex;align-items:center;gap:12px;
  max-width:250px;
}
.float-card .ico{
  width:40px;height:40px;border-radius:var(--r-md);flex:0 0 auto;
  background:var(--action-light);color:var(--action-dark);
  display:flex;align-items:center;justify-content:center;
}
.float-card strong{display:block;font-size:.9375rem;}
.float-card span{font-size:.8125rem;color:var(--muted);}

/* ---------- cards ---------- */
.card-soft{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);padding:26px;height:100%;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card-soft:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(14,116,144,.35);}
.icon-box{
  width:48px;height:48px;border-radius:var(--r-md);
  background:var(--primary-light);color:var(--primary-dark);
  display:flex;align-items:center;justify-content:center;font-size:1.15rem;margin-bottom:16px;
}
.icon-box.mint{background:var(--mint-light);color:#0F766E;}
.icon-box.amber{background:var(--action-light);color:var(--action-dark);}
.card-soft h3{margin-bottom:8px;}
.card-soft p{color:var(--muted);font-size:.9375rem;margin-bottom:0;}
.check-list li{display:flex;gap:10px;align-items:flex-start;color:var(--muted);font-size:.9375rem;margin-bottom:10px;}
.check-list li:last-child{margin-bottom:0;}
.check-list i{color:var(--mint);margin-top:5px;font-size:.8125rem;}
.num-card{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  padding:20px;height:100%;box-shadow:var(--shadow-xs);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.num-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-card);border-color:rgba(14,116,144,.3);}
.num-card .num{
  flex:0 0 auto;width:32px;height:32px;border-radius:var(--r-sm);
  background:var(--primary);color:#fff;font-weight:700;font-size:.875rem;
  display:flex;align-items:center;justify-content:center;
}
.num-card h3{font-size:1.0625rem;margin-bottom:6px;}
.num-card p{font-size:.875rem;color:var(--muted);margin:0;}

/* ---------- support channels ---------- */
.channel-visual{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);padding:16px;height:100%;
}
.channel-visual img{border-radius:var(--r-card);height:100%;min-height:280px;object-fit:cover;}
.channel-card{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow-xs);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.channel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-card);border-color:rgba(14,116,144,.3);}
.channel-card h3{font-size:1.0625rem;margin-bottom:4px;}
.channel-card p{font-size:.875rem;color:var(--muted);margin:0;}

/* ---------- faq ---------- */
.faq-side{
  background:linear-gradient(160deg,var(--primary-deep) 0%,var(--primary-dark) 100%);
  border-radius:var(--r-lg);padding:30px;color:#fff;height:100%;
}
.faq-side h2{color:#fff;font-size:1.5rem;}
.faq-side p{color:rgba(255,255,255,.78);font-size:.9375rem;}
.faq-side .side-list li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.9);font-size:.9375rem;margin-bottom:12px;}
.faq-side .side-list i{color:#A5F3FC;margin-top:5px;}
.accordion-item{
  background:var(--surface);border:1px solid var(--border)!important;
  border-radius:14px!important;margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-xs);
}
.accordion-item:has(.accordion-button:not(.collapsed)){border-left:3px solid var(--primary)!important;box-shadow:var(--shadow-card);}
.accordion-button{
  background:var(--surface);color:var(--text);
  font-weight:600;font-size:1rem;padding:18px 20px;border-radius:14px!important;
  box-shadow:none!important;
}
.accordion-button:not(.collapsed){background:var(--surface);color:var(--primary-dark);}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(14,116,144,.18)!important;}
.accordion-button::after{
  background-image:none!important;
  content:"+";font-size:1.5rem;font-weight:400;line-height:1;
  width:auto;height:auto;color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;
  transform:none;transition:transform .25s ease,color .25s ease;
  margin-left:16px;
}
.accordion-button:not(.collapsed)::after{content:"−";transform:rotate(180deg);color:var(--action-dark);}
.accordion-body{padding:0 20px 20px;color:var(--muted);font-size:.9375rem;}
.accordion-body p:last-child{margin-bottom:0;}

/* ---------- form ---------- */
.form-panel{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);padding:30px;
}
.form-label{font-size:.875rem;font-weight:500;color:var(--text);margin-bottom:6px;}
.form-control,.form-select{
  border-radius:var(--r-md);border:1px solid var(--border);padding:12px 14px;
  font-size:.9375rem;color:var(--text);background-color:#FCFDFE;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.form-control:focus,.form-select:focus{
  border-color:var(--primary);background-color:#fff;
  box-shadow:0 0 0 4px rgba(14,116,144,.14);
}
.form-control::placeholder{color:#94A3B8;}
.was-validated .form-control:invalid,
.was-validated .form-select:invalid,
.form-control.is-invalid{border-color:var(--danger);background-image:none;box-shadow:0 0 0 3px rgba(220,38,38,.10);}
.was-validated .form-control:valid,
.was-validated .form-select:valid{border-color:var(--success);background-image:none;}
.invalid-feedback{color:var(--danger);font-size:.8125rem;margin-top:6px;}
.form-check-input{width:18px;height:18px;border-radius:5px;border-color:var(--border);margin-top:3px;}
.form-check-input:checked{background-color:var(--primary);border-color:var(--primary);}
.form-check-input:focus{box-shadow:0 0 0 4px rgba(14,116,144,.14);border-color:var(--primary);}
.form-check-label{font-size:.875rem;color:var(--muted);}
.form-success{
  background:#F0FDF4;border:1px solid #BBF7D0;color:#15803D;
  border-radius:var(--r-md);padding:14px 16px;font-size:.9375rem;
  display:flex;gap:10px;align-items:flex-start;
}
.form-note-card{
  background:var(--primary-light);border:1px solid rgba(14,116,144,.18);
  border-radius:var(--r-card);padding:20px;
}
.form-note-card h3{font-size:1.0625rem;color:var(--primary-dark);}
.form-note-card ul li{display:flex;gap:9px;align-items:flex-start;font-size:.875rem;color:var(--primary-dark);margin-bottom:9px;}
.form-note-card ul li:last-child{margin-bottom:0;}
.form-note-card i{color:var(--primary);margin-top:5px;font-size:.75rem;}

/* ---------- bottom cta ---------- */
.cta-block{
  background:linear-gradient(150deg,var(--primary-deep) 0%,#0E5A6E 100%);
  border-radius:var(--r-lg);padding:46px;color:#fff;position:relative;overflow:hidden;
}
.cta-block::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:rgba(20,184,166,.20);filter:blur(6px);
}
.cta-block h2{color:#fff;position:relative;z-index:1;}
.cta-block p{color:rgba(255,255,255,.82);max-width:640px;position:relative;z-index:1;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1;}

/* ---------- footer ---------- */
.site-footer{background:var(--primary-deep);color:#fff;padding:64px 0 0;margin-top:0;}
.site-footer .brand-text{color:#fff;}
.site-footer p{color:rgba(255,255,255,.72);font-size:.9375rem;}
.site-footer h4{color:#fff;font-size:1rem;margin-bottom:18px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#A5F3FC;font-size:.9375rem;}
.footer-links a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.75);font-size:.9375rem;margin-bottom:12px;line-height:1.6;}
.footer-contact i{color:#A5F3FC;margin-top:5px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);margin-top:52px;padding:22px 0;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:.8125rem;color:rgba(255,255,255,.6);
}

/* ---------- mobile offcanvas ---------- */
.mobile-panel{border-radius:var(--r-nav) 0 0 var(--r-nav);max-width:340px;}
.mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.mobile-card{
  background:var(--bg);border:1px solid var(--border);border-radius:var(--r-md);
  padding:14px 12px;font-size:.8125rem;color:var(--text);font-weight:500;
  display:flex;flex-direction:column;gap:8px;line-height:1.4;
}
.mobile-card i{color:var(--primary);font-size:1rem;}
.mobile-card:hover{background:var(--primary-light);border-color:rgba(14,116,144,.3);color:var(--primary-dark);}
.mobile-card.active{background:var(--primary-light);border-color:var(--primary);color:var(--primary-dark);font-weight:700;}

/* ---------- fixed mobile cta ---------- */
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:1035;
  background:#fff;border-top:1px solid var(--border);box-shadow:0 -6px 20px rgba(15,23,42,.08);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  display:none;align-items:center;justify-content:space-between;gap:12px;
}
.mobile-cta span{font-size:.8125rem;color:var(--muted);}
.mobile-cta .row-actions{display:flex;gap:8px;}
.icon-btn{
  width:44px;height:44px;border-radius:var(--r-md);
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary-light);color:var(--primary-dark);border:1px solid rgba(14,116,144,.2);
}
.icon-btn:hover{background:var(--primary);color:#fff;}

@media (max-width:1199.98px){
  .nav-item{padding:8px 11px;font-size:.875rem;}
  .nav-item i{display:none;}
}
@media (max-width:991.98px){
  .nav-grid,.nav-right .btn{display:none;}
  .nav-panel{justify-content:space-between;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-visual img{height:240px;}
  .hero-visual .float-card{position:static;margin-top:14px;max-width:none;}
  .section{padding:72px 0;}
  .cat-hero{padding:52px 0 60px;}
  .cta-block{padding:34px 26px;}
  body{padding-bottom:80px;}
  .mobile-cta{display:flex;}
}
@media (max-width:767.98px){
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .card-soft{padding:20px;}
  .form-panel{padding:22px;}
  .faq-side{padding:24px;margin-bottom:24px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:575.98px){
  .hero-actions .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .brand-text{font-size:1rem;}
  h1{font-size:1.7rem;}
}