/* roulang page: index */
:root{
  --brand:#0E9F87;
  --brand-2:#38B7D8;
  --accent:#F6A43B;
  --bg:#F4FAF8;
  --card:#FFFFFF;
  --ink:#102A25;
  --muted:#5F736E;
  --line:#D8EDE8;
  --dark:#0B3D36;
  --r-xl:28px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh:0 10px 30px rgba(14,159,135,.10);
  --sh-h:0 16px 40px rgba(14,159,135,.18);
  --grad:linear-gradient(135deg,#0E9F87 0%,#38B7D8 100%);
  --grad-soft:linear-gradient(135deg,rgba(14,159,135,.12) 0%,rgba(56,183,216,.12) 100%);
  --sidebar:256px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","HarmonyOS Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{font-weight:700;color:var(--ink);line-height:1.35;margin:0 0 12px;}
h1{font-size:44px;font-weight:800;letter-spacing:-.5px;}
h2{font-size:30px;font-weight:800;}
h3{font-size:21px;}
p{margin:0 0 14px;color:var(--muted);}
a{color:var(--brand);text-decoration:none;transition:color .2s ease, opacity .2s ease;}
a:hover{color:#0B8070;}
img{max-width:100%;display:block;}
ul{list-style:none;margin:0;padding:0;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(14,159,135,.35);border-radius:10px;}

/* ===== App Shell ===== */
.app-sidebar{
  position:fixed;left:0;top:0;bottom:0;width:var(--sidebar);
  background:#fff;border-right:1px solid var(--line);
  display:flex;flex-direction:column;padding:22px 18px 18px;z-index:1045;
  transition:transform .28s ease;
}
.brand{display:flex;align-items:center;gap:12px;padding:6px 6px 18px;border-bottom:1px solid var(--line);}
.brand-mark{
  width:44px;height:44px;flex:0 0 44px;border-radius:14px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:19px;
  box-shadow:0 8px 20px rgba(14,159,135,.28);
}
.brand-text strong{display:block;font-size:15px;font-weight:800;color:var(--ink);letter-spacing:.2px;}
.brand-text em{display:block;font-style:normal;font-size:12px;color:var(--muted);margin-top:2px;}
.side-nav{margin-top:18px;flex:1 1 auto;overflow-y:auto;}
.nav-group-title{display:block;font-size:12px;letter-spacing:1px;color:#9DB2AD;margin:6px 10px 10px;}
.side-link{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:var(--r-sm);color:#33544E;font-size:14.5px;font-weight:500;
  margin-bottom:4px;transition:background .2s ease,color .2s ease,transform .2s ease;
}
.side-link i{width:18px;text-align:center;color:#7BA69D;font-size:14px;transition:color .2s ease;}
.side-link:hover{background:#F1F9F7;color:var(--brand);transform:translateX(2px);}
.side-link:hover i{color:var(--brand);}
.side-link.active{background:#E9F6F3;color:#0B8070;font-weight:700;}
.side-link.active i{color:var(--brand);}
.side-link.active::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:0 4px 4px 0;background:var(--grad);
}
.side-cta{border-top:1px solid var(--line);padding-top:16px;margin-top:12px;}
.side-cta p{font-size:13px;color:var(--muted);margin:0 0 10px;}
.side-phone{display:flex;align-items:center;gap:8px;font-size:13px;color:#33544E;margin-top:12px;font-weight:600;}
.side-phone i{color:var(--brand);}

.app-main{margin-left:var(--sidebar);min-height:100vh;}
.mobile-header{display:none;}

/* ===== Buttons ===== */
.btn{border-radius:var(--r-sm);font-weight:600;padding:12px 24px;border:1px solid transparent;transition:all .22s ease;font-size:15px;}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(14,159,135,.26);}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 32px rgba(14,159,135,.34);filter:brightness(1.04);}
.btn-outline-brand{border:1.5px solid var(--brand);color:var(--brand);background:transparent;}
.btn-outline-brand:hover{background:#E9F6F3;color:#0B8070;transform:translateY(-2px);}
.btn-soft{background:#E9F6F3;color:#0B8070;border:1px solid var(--line);}
.btn-soft:hover{background:#DCF0EC;color:#0B8070;}
.btn-block{width:100%;display:block;text-align:center;}
.btn-link-more{color:var(--brand);font-weight:600;font-size:14px;position:relative;padding:0;}
.btn-link-more::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;}
.btn-link-more:hover::after{transform:scaleX(1);}

/* ===== Layout ===== */
.section{padding:84px 0;}
.section-sm{padding:56px 0;}
.container-xxl{max-width:1200px;margin:0 auto;padding:0 32px;}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:#0B8070;
  background:#E9F6F3;border:1px solid var(--line);border-radius:999px;padding:6px 16px;margin-bottom:16px;
}
.section-head p{font-size:16px;}

/* ===== Hero ===== */
.hero{padding:52px 0 40px;}
.hero-wrap{
  display:grid;grid-template-columns:58% 42%;gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh);
}
.hero-copy{padding:52px 44px 48px;}
.hero-copy h1{font-size:40px;margin-bottom:18px;}
.hero-copy .hero-sub{font-size:16.5px;line-height:1.9;color:var(--muted);margin-bottom:26px;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:24px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
  padding:6px 14px;border-radius:999px;background:#F1F9F7;color:#0B8070;border:1px solid var(--line);
}
.tag-accent{background:#FFF5E6;color:#B06B0C;border-color:#FBE0BC;}
.hero-visual{position:relative;background:#0B3D36;min-height:420px;}
.hero-visual img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;opacity:.68;}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(140deg,rgba(11,61,54,.72) 0%,rgba(14,159,135,.42) 55%,rgba(56,183,216,.30) 100%);
}
.float-badge{
  position:absolute;z-index:3;background:rgba(255,255,255,.95);border-radius:18px;
  padding:12px 16px;box-shadow:0 14px 32px rgba(11,61,54,.26);min-width:132px;
}
.float-badge b{display:block;font-size:19px;font-weight:800;color:#0B8070;line-height:1.3;}
.float-badge span{display:block;font-size:12px;color:var(--muted);}
.fb-1{top:26px;right:22px;}
.fb-2{bottom:88px;left:22px;}
.fb-3{bottom:26px;right:26px;}

/* ===== Stats ===== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat-card{
  display:flex;align-items:center;gap:14px;background:#EAF7F4;border:1px solid var(--line);
  border-radius:20px;padding:18px 20px;transition:transform .22s ease,box-shadow .22s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh);}
.stat-icon{
  width:46px;height:46px;flex:0 0 46px;border-radius:999px;background:#fff;
  display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:18px;box-shadow:0 4px 12px rgba(14,159,135,.14);
}
.stat-num{font-size:24px;font-weight:800;color:#0B8070;line-height:1.2;}
.stat-label{font-size:13.5px;color:var(--muted);}

/* ===== Ladder ===== */
.ladder{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.ladder::before{
  content:"";position:absolute;left:6%;right:6%;top:26px;height:2px;
  background:linear-gradient(90deg,rgba(14,159,135,.5),rgba(56,183,216,.5));z-index:0;
}
.ladder-item{position:relative;z-index:1;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 22px;box-shadow:var(--sh);transition:transform .22s ease,box-shadow .22s ease;}
.ladder-item:hover{transform:translateY(-4px);box-shadow:var(--sh-h);}
.ladder-node{
  width:52px;height:52px;border-radius:999px;background:#fff;border:2px solid var(--brand);
  display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--brand);
  margin-bottom:16px;box-shadow:0 6px 16px rgba(14,159,135,.16);
}
.ladder-item h3{font-size:18px;margin-bottom:8px;}
.ladder-item p{font-size:14.5px;min-height:52px;}
.ladder-cond{font-size:13px;color:#8A9E99;border-top:1px dashed var(--line);padding-top:12px;margin-top:14px;}
.ladder-badge{
  position:absolute;top:18px;right:18px;font-size:12px;font-weight:700;color:#0B8070;
  background:#E9F6F3;border-radius:999px;padding:4px 12px;
}

/* ===== Plans ===== */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch;}
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:30px 26px;display:flex;flex-direction:column;position:relative;transition:transform .22s ease,box-shadow .22s ease;}
.plan:hover{transform:translateY(-4px);box-shadow:var(--sh-h);}
.plan.featured{border:1.6px solid var(--brand);background:linear-gradient(180deg,#F2FBF9 0%,#FFFFFF 42%);box-shadow:var(--sh-h);}
.plan-badge{
  position:absolute;top:-13px;left:26px;background:var(--grad);color:#fff;font-size:12.5px;font-weight:700;
  border-radius:999px;padding:5px 14px;box-shadow:0 8px 18px rgba(14,159,135,.3);
}
.plan-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px;}
.plan h3{font-size:20px;margin:0;}
.plan-data{font-size:13px;font-weight:700;color:#0B8070;background:#E9F6F3;border-radius:999px;padding:4px 12px;}
.plan-desc{font-size:14px;color:var(--muted);margin:10px 0 18px;}
.plan-list{flex:1 1 auto;margin-bottom:22px;}
.plan-list li{display:flex;gap:10px;font-size:14.5px;color:#33544E;padding:9px 0;border-bottom:1px dashed #EAF3F1;}
.plan-list li:last-child{border-bottom:0;}
.plan-list i{color:var(--brand);font-size:13px;margin-top:6px;}
.plan-price{font-size:15px;font-weight:700;color:#0B8070;margin-bottom:14px;}
.plan-price span{font-size:13px;color:var(--muted);font-weight:400;}

/* ===== Countdown ===== */
.countdown-card{
  border-radius:var(--r-xl);padding:44px 46px;background:var(--grad);color:#fff;
  display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;
  box-shadow:0 22px 50px rgba(14,159,135,.28);position:relative;overflow:hidden;
}
.countdown-card::after{
  content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.12);
}
.countdown-card h2{color:#fff;font-size:28px;}
.countdown-card p{color:rgba(255,255,255,.9);font-size:15px;margin-bottom:0;}
.countdown-card .btn{background:#fff;color:#0B8070;box-shadow:0 10px 26px rgba(11,61,54,.18);}
.countdown-card .btn:hover{color:#0B8070;transform:translateY(-2px);}
.timer{display:flex;gap:12px;position:relative;z-index:2;margin-bottom:18px;}
.timer-cell{
  flex:1 1 0;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  border-radius:16px;padding:12px 8px;text-align:center;backdrop-filter:blur(2px);
}
.timer-cell b{display:block;font-size:26px;font-weight:800;line-height:1.2;}
.timer-cell span{display:block;font-size:12px;color:rgba(255,255,255,.82);}

/* ===== Form ===== */
.consult{display:grid;grid-template-columns:0.9fr 1.1fr;gap:28px;}
.consult-aside{
  background:#0B3D36;border-radius:var(--r-xl);padding:40px 34px;color:#fff;position:relative;overflow:hidden;
}
.consult-aside h2{color:#fff;font-size:26px;}
.consult-aside p{color:rgba(255,255,255,.82);font-size:15px;}
.consult-aside ul{margin-top:22px;}
.consult-aside li{display:flex;gap:12px;font-size:14.5px;color:rgba(255,255,255,.92);padding:9px 0;}
.consult-aside li i{color:#7EDCC9;margin-top:6px;font-size:13px;}
.consult-form{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:34px 32px;box-shadow:var(--sh);}
.form-label{font-size:14px;font-weight:600;color:#33544E;margin-bottom:6px;}
.form-control,.form-select{
  border:1.5px solid var(--line);border-radius:var(--r-sm);height:50px;font-size:15px;color:var(--ink);
  background:#FBFEFD;transition:border-color .2s ease,box-shadow .2s ease;
}
textarea.form-control{height:auto;min-height:110px;padding-top:12px;line-height:1.7;}
.form-control:focus,.form-select:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(14,159,135,.14);background:#fff;}
.form-check-input{width:18px;height:18px;margin-top:4px;border-color:var(--line);}
.form-check-input:checked{background-color:var(--brand);border-color:var(--brand);}
.form-check-label{font-size:13.5px;color:var(--muted);}
.form-msg{display:none;font-size:14px;border-radius:var(--r-sm);padding:12px 16px;margin-bottom:16px;}
.form-msg.ok{display:block;background:#EAF7F0;color:#1B7A52;border:1px solid #C7EBD8;}
.form-msg.err{display:block;background:#FDF0EC;color:#B45232;border:1px solid #F7D6C9;}

/* ===== CMS list ===== */
.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.post-card{
  display:flex;gap:18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:18px;transition:transform .22s ease,box-shadow .22s ease;overflow:hidden;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);}
.post-thumb{width:150px;flex:0 0 150px;border-radius:var(--r-sm);overflow:hidden;aspect-ratio:4/3;background:#EAF7F4;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.post-card:hover .post-thumb img{transform:scale(1.05);}
.post-body{flex:1 1 auto;min-width:0;}
.post-meta{display:flex;align-items:center;gap:10px;margin-bottom:8px;flex-wrap:wrap;}
.post-cat{font-size:12px;font-weight:700;color:#0B8070;background:#E9F6F3;border-radius:999px;padding:3px 12px;}
.post-time{font-size:12.5px;color:#93A8A3;}
.post-title{font-size:18px;font-weight:700;margin:0 0 8px;line-height:1.5;}
.post-title a{color:var(--ink);}
.post-title a:hover{color:var(--brand);}
.post-excerpt{font-size:14.5px;color:var(--muted);margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.empty-state{
  text-align:center;background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);
  padding:48px 24px;color:var(--muted);font-size:15px;
}
.empty-state i{display:block;font-size:30px;color:#B9D6D0;margin-bottom:12px;}

/* ===== FAQ ===== */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion-item{
  border:1px solid var(--line);border-radius:16px;background:#fff;margin-bottom:14px;overflow:hidden;
  box-shadow:0 6px 18px rgba(14,159,135,.06);
}
.accordion-button{
  font-size:17px;font-weight:600;color:var(--ink);background:#fff;padding:20px 22px;
  border-radius:16px;box-shadow:none;
}
.accordion-button:not(.collapsed){background:#E9F6F3;color:#0B8070;box-shadow:none;}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(14,159,135,.18);}
.accordion-button::after{
  background-image:none;content:"\002B";font-family:"Font Awesome 6 Free";font-weight:900;
  width:26px;height:26px;display:flex;align-items:center;justify-content:center;
  border-radius:999px;background:#EAF7F4;color:var(--brand);font-size:13px;line-height:1;
}
.accordion-button:not(.collapsed)::after{content:"\2212";background:#fff;}
.accordion-body{padding:4px 22px 22px;font-size:15px;color:var(--muted);line-height:1.9;}

/* ===== Footer ===== */
.site-footer{background:var(--dark);color:rgba(255,255,255,.76);padding:64px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px;font-weight:700;}
.site-footer p{color:rgba(255,255,255,.68);font-size:14px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand strong{color:#fff;font-size:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,255,255,.74);font-size:14px;}
.footer-links a:hover{color:var(--accent);}
.footer-contact li{display:flex;gap:10px;font-size:14px;margin-bottom:12px;color:rgba(255,255,255,.78);}
.footer-contact i{color:#7EDCC9;margin-top:6px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:42px;padding-top:20px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.62);}
.footer-bottom a:hover{color:var(--accent);}
.to-top{
  position:fixed;right:26px;bottom:26px;width:46px;height:46px;border-radius:999px;background:var(--grad);
  color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 12px 26px rgba(14,159,135,.32);
  z-index:1050;border:0;opacity:0;visibility:hidden;transition:all .25s ease;
}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{transform:translateY(-3px);color:#fff;}

/* ===== Drawer ===== */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,61,54,.48);opacity:0;visibility:hidden;transition:.25s ease;z-index:1055;
}
.drawer-mask.show{opacity:1;visibility:visible;}

/* ===== Responsive ===== */
@media (max-width:1399.98px){
  .container-xxl{max-width:1200px;}
}
@media (max-width:1199.98px){
  :root{--sidebar:232px;}
  .hero-copy h1{font-size:34px;}
  .container-xxl{padding:0 26px;}
  .stats{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  .app-sidebar{transform:translateX(-100%);box-shadow:0 0 40px rgba(11,61,54,.2);}
  .app-sidebar.open{transform:translateX(0);}
  .app-main{margin-left:0;padding-top:62px;}
  .mobile-header{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    position:fixed;top:0;left:0;right:0;height:62px;padding:0 16px;background:#fff;
    border-bottom:1px solid var(--line);z-index:1060;
  }
  .mobile-header .brand{padding:0;border:0;}
  .mobile-header .brand-text strong{font-size:14px;}
  .hamburger{
    width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#F1F9F7;
    color:var(--brand);font-size:17px;display:flex;align-items:center;justify-content:center;
  }
  .hero-wrap{grid-template-columns:1fr;}
  .hero-visual{min-height:280px;position:relative;}
  .hero-copy{padding:34px 26px;}
  .hero-copy h1{font-size:30px;}
  .ladder{grid-template-columns:repeat(2,1fr);}
  .ladder::before{display:none;}
  .plans{grid-template-columns:1fr;}
  .countdown-card{grid-template-columns:1fr;padding:34px 26px;}
  .consult{grid-template-columns:1fr;}
  .post-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
  .section{padding:60px 0;}
  h1{font-size:30px;}
  h2{font-size:25px;}
}
@media (max-width:575.98px){
  .container-xxl{padding:0 18px;}
  .hero-copy{padding:28px 20px;}
  .hero-copy h1{font-size:26px;}
  .hero-actions .btn{width:100%;}
  .stats{grid-template-columns:1fr;}
  .ladder{grid-template-columns:1fr;}
  .post-card{flex-direction:column;padding:16px;}
  .post-thumb{width:100%;flex:0 0 auto;aspect-ratio:16/9;}
  .footer-grid{grid-template-columns:1fr;}
  .timer{gap:8px;}
  .timer-cell b{font-size:20px;}
  .section{padding:46px 0;}
  .consult-aside,.consult-form{padding:26px 20px;}
  .float-badge{min-width:112px;padding:10px 12px;}
  .fb-2{bottom:20px;left:14px;}
  .fb-3{display:none;}
}

/* roulang page: article */
:root{
  --brand:#0E9F87;
  --brand-2:#38B7D8;
  --accent:#F6A43B;
  --bg:#F4FAF8;
  --card:#FFFFFF;
  --text:#102A25;
  --muted:#5F736E;
  --line:#D8EDE8;
  --dark:#0B3D36;
  --soft:#E8F6F2;
  --radius-xl:28px;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --shadow-sm:0 10px 30px rgba(14,159,135,.10);
  --shadow-md:0 16px 40px rgba(14,159,135,.18);
  --grad:linear-gradient(135deg,#0E9F87 0%,#38B7D8 100%);
  --grad-soft:linear-gradient(135deg,rgba(14,159,135,.10) 0%,rgba(56,183,216,.14) 100%);
  --sidebar-w:256px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","HarmonyOS Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:#0a7c6a;}
img{max-width:100%;display:block;}
h1,h2,h3,h4,h5{font-weight:800;color:var(--text);letter-spacing:.2px;margin:0;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px;border-radius:6px;}

/* ============ 布局骨架 ============ */
.app-shell{min-height:100vh;}
.sidebar{
  position:fixed;
  top:0;left:0;
  width:var(--sidebar-w);
  height:100vh;
  background:#fff;
  border-right:1px solid var(--line);
  padding:24px 18px;
  display:flex;
  flex-direction:column;
  gap:6px;
  overflow-y:auto;
  z-index:1040;
}
.brand-block{
  display:flex;
  align-items:center;
  gap:10px;
  padding:6px 8px 18px;
  border-bottom:1px solid var(--line);
  margin-bottom:14px;
}
.brand-mark{
  width:42px;height:42px;
  flex:0 0 42px;
  border-radius:14px;
  background:var(--grad);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;
  box-shadow:0 8px 20px rgba(14,159,135,.28);
}
.brand-text strong{
  display:block;
  font-size:16px;
  font-weight:800;
  line-height:1.2;
  color:var(--text);
}
.brand-text span{
  display:block;
  font-size:12px;
  color:var(--muted);
  letter-spacing:.4px;
}
.nav-group-title{
  display:block;
  font-size:12px;
  font-weight:700;
  letter-spacing:1.5px;
  color:#9AB3AD;
  padding:0 10px 8px;
}
.side-link{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  padding:11px 12px;
  border-radius:var(--radius-sm);
  font-size:14.5px;
  font-weight:600;
  color:#33504A;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.side-link i{width:18px;text-align:center;color:var(--brand);font-size:14px;transition:color .22s ease;}
.side-link:hover{
  background:var(--soft);
  color:var(--brand);
  transform:translateX(2px);
}
.side-link.active{
  background:var(--soft);
  color:var(--brand);
  box-shadow:inset 0 0 0 1px rgba(14,159,135,.14);
}
.side-link.active::before{
  content:"";
  position:absolute;
  left:-18px;
  top:8px;bottom:8px;
  width:4px;
  border-radius:0 4px 4px 0;
  background:var(--grad);
}
.side-cta{
  margin-top:auto;
  padding:18px;
  border-radius:var(--radius-md);
  background:var(--grad-soft);
  border:1px solid var(--line);
}
.side-cta h5{font-size:14.5px;margin-bottom:6px;}
.side-cta p{font-size:12.5px;color:var(--muted);line-height:1.7;margin-bottom:12px;}
.side-cta .btn{width:100%;}

.app-main{
  margin-left:var(--sidebar-w);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
.container-xxl{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:36px;
  padding-right:36px;
}

/* ============ 移动端顶栏 ============ */
.topbar{
  display:none;
  align-items:center;
  justify-content:space-between;
  height:62px;
  padding:0 16px;
  background:#fff;
  border-bottom:1px solid var(--line);
  position:sticky;
  top:0;
  z-index:1050;
}
.topbar .brand-block{padding:0;border:none;margin:0;}
.topbar .brand-mark{width:36px;height:36px;flex:0 0 36px;border-radius:12px;font-size:16px;}
.hamburger{
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--brand);
  font-size:17px;
  display:flex;align-items:center;justify-content:center;
  transition:background .22s ease;
}
.hamburger:hover{background:var(--soft);}
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(11,61,54,.45);
  opacity:0;visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;
  z-index:1055;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;left:0;
  width:280px;
  height:100vh;
  background:#fff;
  padding:22px 16px;
  display:flex;
  flex-direction:column;
  gap:6px;
  overflow-y:auto;
  transform:translateX(-104%);
  transition:transform .3s ease;
  z-index:1060;
  box-shadow:0 20px 50px rgba(11,61,54,.25);
}
.drawer.show{transform:translateX(0);}

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-weight:700;
  font-size:15px;
  border-radius:var(--radius-sm);
  padding:12px 24px;
  border:1px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-brand{
  background:var(--grad);
  color:#fff;
  box-shadow:0 10px 24px rgba(14,159,135,.28);
}
.btn-brand:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 16px 34px rgba(14,159,135,.34);
  filter:brightness(1.04);
}
.btn-outline-brand{
  background:#fff;
  color:var(--brand);
  border-color:rgba(14,159,135,.45);
}
.btn-outline-brand:hover{
  background:var(--soft);
  color:var(--brand);
  transform:translateY(-2px);
  border-color:var(--brand);
}
.btn-ghost{
  background:transparent;
  color:var(--brand);
  padding:8px 4px;
  text-decoration:underline;
  text-underline-offset:4px;
  text-decoration-thickness:2px;
  text-decoration-color:rgba(14,159,135,.35);
}
.btn-ghost:hover{color:#0a7c6a;text-decoration-color:var(--brand);}
.btn:focus-visible{box-shadow:0 0 0 4px rgba(56,183,216,.35);outline:none;}

.badge-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--soft);
  color:var(--brand);
  font-size:13px;
  font-weight:700;
  letter-spacing:.3px;
}
.badge-accent{
  background:rgba(246,164,59,.14);
  color:#B9761F;
}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;
  background-image:linear-gradient(115deg,rgba(11,61,54,.88) 0%,rgba(14,159,135,.78) 58%,rgba(56,183,216,.66) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:44px 0 48px;
  overflow:hidden;
}
.article-hero::after{
  content:"";
  position:absolute;
  right:-80px;bottom:-120px;
  width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.18),transparent 68%);
}
.article-hero .container-xxl{position:relative;z-index:2;}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:rgba(255,255,255,.82);
  margin-bottom:18px;
}
.crumb a{color:rgba(255,255,255,.9);font-weight:600;}
.crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.crumb i{font-size:10px;opacity:.7;}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border-radius:999px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);
  color:#fff;
  font-size:13px;
  font-weight:700;
  backdrop-filter:blur(2px);
}
.hero-title{
  font-size:34px;
  line-height:1.3;
  color:#fff;
  margin:18px 0 12px;
  font-weight:800;
  max-width:820px;
}
.hero-sub{
  max-width:760px;
  font-size:15.5px;
  line-height:1.9;
  color:rgba(255,255,255,.88);
  margin:0;
}
.hero-points{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
}
.hero-points span{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:13.5px;
  font-weight:600;
  color:#fff;
  background:rgba(255,255,255,.13);
  border:1px solid rgba(255,255,255,.22);
  padding:8px 14px;
  border-radius:999px;
}

/* ============ 文章主体 ============ */
.article-wrap{padding:52px 0 8px;}
.article-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  padding:38px 44px 46px;
}
.article-head h1{
  font-size:36px;
  line-height:1.36;
  margin-bottom:18px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 18px;
  padding-bottom:22px;
  border-bottom:1px dashed var(--line);
  font-size:14px;
  color:var(--muted);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--brand);}

.summary-panel{
  margin:26px 0 34px;
  padding:22px 24px;
  border-radius:var(--radius-md);
  background:var(--grad-soft);
  border:1px solid var(--line);
}
.summary-panel h3{
  font-size:16px;
  margin-bottom:10px;
  display:flex;
  align-items:center;
  gap:8px;
}
.summary-panel h3 i{color:var(--brand);}
.summary-panel p{
  font-size:14.5px;
  color:#33504A;
  line-height:1.9;
  margin:0;
}

/* 正文排版 */
.article-body{
  max-width:820px;
  font-size:17.5px;
  line-height:1.9;
  color:#183B34;
}
.article-body h2{
  font-size:26px;
  margin:42px 0 16px;
  padding-left:16px;
  border-left:5px solid var(--brand);
  line-height:1.4;
}
.article-body h3{
  font-size:20px;
  margin:32px 0 12px;
  color:#12463C;
}
.article-body p{margin:0 0 1.2em;}
.article-body ul,.article-body ol{
  margin:0 0 1.3em;
  padding-left:0;
}
.article-body ul li,.article-body ol li{
  position:relative;
  padding-left:26px;
  margin-bottom:10px;
}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:6px;top:.72em;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--grad);
}
.article-body ol{counter-reset:artc;}
.article-body ol li{counter-increment:artc;}
.article-body ol li::before{
  content:counter(artc);
  position:absolute;
  left:0;top:.34em;
  width:20px;height:20px;
  border-radius:50%;
  background:var(--soft);
  color:var(--brand);
  font-size:12px;
  font-weight:800;
  display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:26px 0;
  padding:20px 24px;
  border-left:5px solid var(--brand-2);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  background:#F2FAF8;
  color:#2C4F48;
  font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  border-radius:16px;
  margin:24px 0;
  box-shadow:var(--shadow-sm);
}
.article-body a{
  color:var(--brand);
  text-decoration:underline;
  text-underline-offset:4px;
  text-decoration-thickness:1.5px;
}
.article-body a:hover{color:#0a7c6a;}
.article-body table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  margin:26px 0;
  font-size:15.5px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  overflow:hidden;
}
.article-body th{
  background:var(--soft);
  color:#12463C;
  font-weight:700;
  text-align:left;
  padding:12px 16px;
}
.article-body td{
  padding:12px 16px;
  border-top:1px solid var(--line);
  color:#33504A;
}
.article-body strong{font-weight:700;color:#0E3B33;}

.empty-state{
  max-width:640px;
  margin:0 auto;
  text-align:center;
  padding:48px 24px;
  border-radius:var(--radius-lg);
  background:var(--grad-soft);
  border:1px dashed var(--line);
}
.empty-state i{
  font-size:34px;
  color:var(--brand);
  margin-bottom:14px;
  display:block;
}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--muted);font-size:15px;}
.empty-state .btn{margin-top:8px;}

/* ============ 相关推荐 ============ */
.related{padding:56px 0 8px;}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:14px;
  margin-bottom:26px;
}
.section-head h2{font-size:28px;}
.section-head p{color:var(--muted);font-size:14.5px;margin:6px 0 0;}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.rec-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  display:flex;
  flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.rec-thumb{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
}
.rec-thumb img{
  width:100%;height:100%;
  object-fit:cover;
  border-radius:0;
  transition:transform .35s ease;
}
.rec-card:hover .rec-thumb img{transform:scale(1.03);}
.rec-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-body h3{font-size:18px;line-height:1.5;}
.rec-body p{font-size:14.5px;color:var(--muted);line-height:1.75;margin:0;}
.rec-link{
  margin-top:auto;
  font-size:14px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.rec-link i{transition:transform .22s ease;}
.rec-link:hover i{transform:translateX(4px);}

/* ============ 返回入口 ============ */
.return-row{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
  padding:50px 0 8px;
}
.return-card{
  display:flex;
  align-items:center;
  gap:16px;
  padding:22px 24px;
  border-radius:var(--radius-md);
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.return-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:rgba(14,159,135,.35);
}
.return-card .ico{
  width:48px;height:48px;
  flex:0 0 48px;
  border-radius:14px;
  background:var(--soft);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;
}
.return-card h3{font-size:16.5px;margin-bottom:4px;}
.return-card p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.6;}

/* ============ 咨询 CTA ============ */
.cta-band{padding:56px 0 76px;}
.cta-inner{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-xl);
  background:var(--grad);
  color:#fff;
  padding:46px 48px;
  display:grid;
  grid-template-columns:1.4fr .9fr;
  gap:30px;
  align-items:center;
}
.cta-inner::after{
  content:"";
  position:absolute;
  right:-60px;top:-80px;
  width:280px;height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),transparent 70%);
}
.cta-inner h2{color:#fff;font-size:28px;margin-bottom:12px;}
.cta-inner p{color:rgba(255,255,255,.9);font-size:15px;margin:0;max-width:600px;}
.cta-actions{
  position:relative;
  z-index:2;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.cta-actions .btn{width:100%;}
.btn-light-outline{
  background:rgba(255,255,255,.14);
  border-color:rgba(255,255,255,.5);
  color:#fff;
}
.btn-light-outline:hover{
  background:#fff;
  color:var(--brand);
  transform:translateY(-2px);
}
.cta-note{font-size:13px;color:rgba(255,255,255,.85);text-align:center;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:auto;
  background:var(--dark);
  color:#D5EAE5;
  padding:56px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:34px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.footer-brand .brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;
}
.footer-brand strong{color:#fff;font-size:17px;font-weight:800;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(213,234,229,.78);margin:0;max-width:340px;}
.site-footer h4{
  color:#fff;
  font-size:15px;
  margin-bottom:16px;
  font-weight:700;
}
.footer-links li,.footer-contact li{margin-bottom:10px;font-size:14px;}
.footer-links a{color:rgba(213,234,229,.82);}
.footer-links a:hover{color:var(--accent);}
.footer-contact li{
  display:flex;
  gap:10px;
  color:rgba(213,234,229,.82);
  line-height:1.7;
}
.footer-contact i{color:var(--accent);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:36px;
  padding-top:20px;
  border-top:1px solid rgba(213,234,229,.16);
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(213,234,229,.62);
}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;
  right:24px;bottom:24px;
  width:46px;height:46px;
  border-radius:14px;
  border:none;
  background:var(--grad);
  color:#fff;
  font-size:16px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-md);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease;
  z-index:1030;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sidebar-w:232px;}
  .container-xxl{padding-left:28px;padding-right:28px;}
}
@media (max-width:991px){
  .sidebar{display:none;}
  .topbar{display:flex;}
  .app-main{margin-left:0;}
  .article-card{padding:30px 26px 36px;}
  .article-head h1{font-size:28px;}
  .article-body{font-size:17px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{grid-template-columns:1fr;padding:36px 28px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
}
@media (max-width:767px){
  .container-xxl{padding-left:18px;padding-right:18px;}
  .article-hero{padding:32px 0 36px;}
  .hero-title{font-size:24px;}
  .article-wrap{padding:34px 0 4px;}
  .article-card{padding:24px 18px 28px;border-radius:var(--radius-md);}
  .article-head h1{font-size:23px;}
  .article-body{font-size:16.5px;line-height:1.9;}
  .article-body h2{font-size:21px;}
  .article-body h3{font-size:18px;}
  .card-grid{grid-template-columns:1fr;}
  .return-row{grid-template-columns:1fr;}
  .cta-inner h2{font-size:22px;}
  .cta-band{padding:40px 0 56px;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding:40px 0 22px;}
  .btn{width:100%;}
  .side-cta .btn{width:100%;}
  .to-top{right:16px;bottom:16px;}
}
@media (max-width:575px){
  .hero-title{font-size:22px;}
  .article-head h1{font-size:21px;}
  .article-meta{font-size:13px;gap:8px 14px;}
}

/* roulang page: category1 */
:root{
  --brand:#0E9F87;
  --brand-2:#38B7D8;
  --accent:#F6A43B;
  --bg:#F4FAF8;
  --card:#FFFFFF;
  --ink:#102A25;
  --muted:#5F736E;
  --line:#D8EDE8;
  --footer:#0B3D36;
  --ink-soft:#0E9F87;
  --tint:#E7F6F2;
  --radius-xl:28px;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --shadow:0 10px 30px rgba(14,159,135,.10);
  --shadow-hover:0 16px 40px rgba(14,159,135,.18);
  --grad:linear-gradient(135deg,#0E9F87 0%,#38B7D8 100%);
  --grad-soft:linear-gradient(135deg,rgba(14,159,135,.92) 0%,rgba(56,183,216,.86) 100%);
  --sidebar-w:256px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","HarmonyOS Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;}
a:hover{color:var(--brand);}
button{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;font-weight:800;line-height:1.3;color:var(--ink);letter-spacing:.2px;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
.container-xxl{width:100%;max-width:1320px;margin:0 auto;padding:0 32px;}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;}

/* ---------- 左侧 App Shell ---------- */
.app-shell{display:flex;min-height:100vh;align-items:stretch;}
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:#fff;border-right:1px solid var(--line);
  padding:24px 16px 20px;display:flex;flex-direction:column;gap:4px;
  overflow-y:auto;z-index:1045;
}
.side-brand{display:flex;align-items:center;gap:10px;padding:4px 8px 22px;border-bottom:1px solid var(--line);margin-bottom:16px;}
.brand-mark{
  width:42px;height:42px;border-radius:14px;flex:0 0 42px;
  background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:18px;box-shadow:0 8px 18px rgba(14,159,135,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:16px;font-weight:800;}
.brand-text span{font-size:12px;color:var(--muted);letter-spacing:.4px;}
.nav-group-title{
  display:block;font-size:12px;color:var(--muted);letter-spacing:1px;
  padding:8px 10px 6px;font-weight:600;
}
.side-link{
  display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:var(--radius-sm);
  font-size:14.5px;font-weight:600;color:var(--ink);
  position:relative;transition:background .22s ease,color .22s ease,transform .22s ease;
}
.side-link i{width:18px;text-align:center;color:var(--brand);font-size:15px;}
.side-link:hover{background:var(--tint);color:var(--brand);transform:translateX(2px);}
.side-link.active{background:var(--tint);color:var(--brand);}
.side-link.active::before{
  content:"";position:absolute;left:-16px;top:8px;bottom:8px;width:4px;
  border-radius:0 4px 4px 0;background:var(--grad);
}
.side-foot{margin-top:auto;padding-top:18px;}
.side-cta{
  display:block;text-align:center;padding:12px 14px;border-radius:var(--radius-sm);
  background:var(--grad);color:#fff;font-weight:700;font-size:14.5px;
  box-shadow:0 10px 24px rgba(14,159,135,.28);transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
}
.side-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(14,159,135,.34);filter:brightness(1.05);}
.side-note{font-size:12px;color:var(--muted);margin-top:12px;line-height:1.7;}

/* ---------- 移动端顶栏 ---------- */
.mobile-topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:62px;z-index:1050;
  background:rgba(255,255,255,.96);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);align-items:center;gap:12px;padding:0 16px;
}
.mobile-topbar .brand-text strong{font-size:15px;}
.hamburger{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;
  color:var(--brand);font-size:17px;display:flex;align-items:center;justify-content:center;
}
.drawer-mask{
  display:none;position:fixed;inset:0;background:rgba(11,61,54,.45);z-index:1044;
}
.drawer-mask.show{display:block;}

/* ---------- 主内容 ---------- */
.content-shell{margin-left:var(--sidebar-w);flex:1 1 auto;min-width:0;}
.page-top{padding:36px 0 0;}
.breadcrumb-trail{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13.5px;color:var(--muted);margin-bottom:18px;}
.breadcrumb-trail a{color:var(--muted);font-weight:600;}
.breadcrumb-trail a:hover{color:var(--brand);}
.breadcrumb-trail i{font-size:10px;color:#a9c6c0;}

/* ---------- 小 Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);
  background-image:var(--grad-soft),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  padding:44px 40px;color:#fff;box-shadow:var(--shadow);
}
.cat-hero::after{
  content:"";position:absolute;right:-70px;bottom:-90px;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.12);
}
.cat-hero .hero-inner{position:relative;z-index:2;max-width:760px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.4);
  font-size:13px;font-weight:600;letter-spacing:.4px;margin-bottom:18px;
}
.cat-hero h1{color:#fff;font-size:clamp(28px,3.4vw,44px);margin-bottom:16px;}
.cat-hero h1 em{font-style:normal;color:#FFF3DF;}
.cat-hero p{color:rgba(255,255,255,.94);font-size:16.5px;max-width:640px;margin-bottom:24px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.btn-brand,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-sm);font-weight:700;font-size:15px;
  border:0;cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,filter .22s ease;
}
.btn-brand{background:var(--grad);color:#fff;box-shadow:0 12px 26px rgba(14,159,135,.26);}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px rgba(14,159,135,.34);filter:brightness(1.06);}
.btn-ghost{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.55);}
.btn-ghost:hover{background:#fff;color:var(--brand);transform:translateY(-2px);}
.btn-line{background:#fff;color:var(--brand);border:1px solid var(--brand);}
.btn-line:hover{background:var(--tint);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow);}
.btn-brand:focus-visible,.btn-ghost:focus-visible,.btn-line:focus-visible,.side-link:focus-visible{
  outline:none;box-shadow:0 0 0 3px rgba(56,183,216,.45);
}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:30px;
  max-width:720px;position:relative;z-index:2;
}
.hero-stat{
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.35);
  border-radius:var(--radius-md);padding:14px 18px;
}
.hero-stat strong{display:block;font-size:22px;font-weight:800;letter-spacing:.5px;}
.hero-stat span{font-size:12.5px;color:rgba(255,255,255,.9);}

/* ---------- 板块通用 ---------- */
.section{padding:72px 0 0;}
.section:last-of-type{padding-bottom:0;}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;color:var(--brand);
  background:var(--tint);border-radius:999px;padding:6px 14px;margin-bottom:14px;letter-spacing:.6px;
}
.section-head h2{font-size:clamp(23px,2.3vw,31px);margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:15.5px;margin:0;}

/* ---------- 入口说明 ---------- */
.intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:start;}
.intro-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px;box-shadow:var(--shadow);
}
.intro-card p:last-child{margin-bottom:0;}
.intro-list{display:grid;gap:14px;}
.intro-item{
  display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-md);padding:18px 20px;transition:transform .22s ease,box-shadow .22s ease;
}
.intro-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.intro-item .dot{
  flex:0 0 38px;width:38px;height:38px;border-radius:12px;background:var(--tint);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:15px;
}
.intro-item h3{font-size:16.5px;margin-bottom:4px;}
.intro-item p{font-size:14px;color:var(--muted);margin:0;}

/* ---------- 入口长卡列表 ---------- */
.entry-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.entry-card{
  display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:24px 26px;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#b9e3da;}
.entry-card .entry-icon{
  flex:0 0 54px;width:54px;height:54px;border-radius:16px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:21px;box-shadow:0 10px 20px rgba(14,159,135,.24);
}
.entry-body{min-width:0;}
.entry-body h3{font-size:18px;margin-bottom:8px;}
.entry-body p{font-size:14.5px;color:var(--muted);margin-bottom:12px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.tag{
  font-size:12.5px;font-weight:600;color:var(--brand);background:var(--tint);
  border-radius:999px;padding:4px 12px;
}
.tag.warm{color:#a8640f;background:#FDF1DF;}
.link-more{font-size:14px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.link-more i{font-size:11px;transition:transform .22s ease;}
.link-more:hover i{transform:translateX(4px);}

/* ---------- 步骤条 ---------- */
.steps{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:8px;}
.steps::before{
  content:"";position:absolute;top:26px;left:8%;right:8%;height:2px;
  background:linear-gradient(90deg,#cdeee7,#9fded0,#cdeee7);z-index:0;
}
.step{position:relative;z-index:1;text-align:center;padding:0 6px;}
.step .step-num{
  width:54px;height:54px;margin:0 auto 16px;border-radius:50%;background:#fff;color:var(--brand);
  border:2px solid #b9e3da;font-weight:800;font-size:19px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(14,159,135,.12);
}
.step h3{font-size:16.5px;margin-bottom:6px;}
.step p{font-size:13.5px;color:var(--muted);margin:0;}

/* ---------- 安全检查 ---------- */
.safety-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:stretch;}
.safety-main{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
}
.safety-main img{width:100%;height:230px;object-fit:cover;border-radius:0;}
.safety-main .safety-text{padding:26px 30px 30px;}
.safety-main h3{font-size:19px;margin-bottom:10px;}
.safety-main p{font-size:14.5px;color:var(--muted);margin:0;}
.safety-side{display:grid;gap:16px;align-content:start;}
.safety-note{
  background:#fff;border:1px solid var(--line);border-left:5px solid var(--brand);
  border-radius:var(--radius-md);padding:18px 20px;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease;
}
.safety-note:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.safety-note.warm{border-left-color:var(--accent);}
.safety-note h4{font-size:16px;margin-bottom:6px;display:flex;align-items:center;gap:8px;}
.safety-note h4 i{color:var(--brand);font-size:15px;}
.safety-note.warm h4 i{color:var(--accent);}
.safety-note p{font-size:13.8px;color:var(--muted);margin:0;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:920px;}
.accordion-item{
  background:#fff;border:1px solid var(--line)!important;border-radius:var(--radius-md)!important;
  margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow);
}
.accordion-button{
  font-size:16.5px;font-weight:700;color:var(--ink);background:#fff;padding:20px 24px;
  border-radius:var(--radius-md)!important;box-shadow:none!important;
}
.accordion-button:not(.collapsed){background:var(--tint);color:var(--brand);}
.accordion-button::after{
  background-image:none;content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--brand);width:auto;height:auto;transform:none;transition:transform .22s ease;
}
.accordion-button:not(.collapsed)::after{content:"\f068";transform:rotate(180deg);}
.accordion-body{padding:6px 24px 22px;font-size:14.8px;color:var(--muted);line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:28px;border-radius:var(--radius-xl);padding:44px 40px;color:#fff;
  background:var(--grad);box-shadow:0 18px 44px rgba(14,159,135,.28);
  display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.2vw,29px);margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.92);font-size:15px;margin:0;max-width:620px;}
.cta-band .btn-line{border:0;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--footer);color:#D6EAE5;margin-top:88px;padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.15fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand strong{color:#fff;font-size:17px;font-weight:800;}
.site-footer h4{color:#fff;font-size:15.5px;margin-bottom:16px;font-weight:700;}
.site-footer p{color:#A9C9C2;font-size:14px;line-height:1.85;margin:0;max-width:340px;}
.footer-links li{margin-bottom:10px;}
.footer-links a,.footer-contact span{color:#BFDDD6;font-size:14px;transition:color .2s ease;}
.footer-links a:hover{color:var(--accent);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;margin-bottom:12px;font-size:14px;color:#BFDDD6;}
.footer-contact i{color:var(--brand-2);margin-top:5px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);margin-top:42px;padding-top:22px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#9CC0B9;
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:26px;bottom:26px;width:46px;height:46px;border-radius:14px;border:0;
  background:var(--grad);color:#fff;font-size:16px;box-shadow:0 12px 26px rgba(14,159,135,.34);
  display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease,transform .25s ease;z-index:1030;
}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{transform:translateY(-3px);}

/* ---------- 响应式 ---------- */
@media (max-width:1399px){
  .container-xxl{max-width:1200px;}
}
@media (max-width:1199px){
  :root{--sidebar-w:232px;}
  .container-xxl{padding:0 26px;}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;row-gap:30px;}
}
@media (max-width:991px){
  .side-nav{transform:translateX(-100%);transition:transform .3s ease;width:280px;box-shadow:0 0 40px rgba(11,61,54,.2);}
  .side-nav.open{transform:translateX(0);}
  .content-shell{margin-left:0;}
  .mobile-topbar{display:flex;}
  .page-top{padding-top:86px;}
  .intro-grid,.safety-grid{grid-template-columns:1fr;}
  .entry-list{grid-template-columns:1fr;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:28px;}
  .steps::before{display:none;}
  .hero-stats{grid-template-columns:repeat(3,minmax(0,1fr));}
  .site-footer{margin-top:64px;padding-top:48px;}
}
@media (max-width:767px){
  .container-xxl{padding:0 18px;}
  .page-top{padding-top:80px;}
  .cat-hero{padding:30px 22px;border-radius:var(--radius-lg);}
  .cat-hero p{font-size:15px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%;}
  .hero-stats{grid-template-columns:1fr;gap:10px;}
  .section{padding-top:52px;}
  .intro-card,.entry-card{padding:20px;border-radius:var(--radius-md);}
  .entry-card{flex-direction:column;gap:14px;}
  .steps{grid-template-columns:1fr;}
  .cta-band{padding:30px 22px;border-radius:var(--radius-lg);}
  .cta-band .btn-line{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
  .accordion-button{font-size:15.5px;padding:17px 18px;}
  .accordion-body{padding:4px 18px 20px;}
  .to-top{right:16px;bottom:16px;}
}
@media (max-width:520px){
  .section-head h2{font-size:22px;}
  .safety-main img{height:180px;}
}

/* roulang page: category2 */
:root{
  --primary:#0E9F87;
  --primary-dark:#0A7C6A;
  --sky:#38B7D8;
  --accent:#F6A43B;
  --bg:#F4FAF8;
  --card:#FFFFFF;
  --ink:#102A25;
  --muted:#5F736E;
  --line:#D8EDE8;
  --deep:#0B3D36;
  --soft:#E8F6F2;
  --radius-xl:28px;
  --radius-lg:24px;
  --radius:18px;
  --radius-sm:14px;
  --shadow:0 10px 30px rgba(14,159,135,.10);
  --shadow-hover:0 16px 40px rgba(14,159,135,.18);
  --grad:linear-gradient(135deg,#0E9F87 0%,#38B7D8 100%);
  --side-w:256px;
  --font:"PingFang SC","Microsoft YaHei","HarmonyOS Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary-dark);text-decoration:none;transition:color .2s ease,background .2s ease,opacity .2s ease;}
a:hover{color:var(--primary);}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{font-weight:700;color:var(--ink);line-height:1.35;margin:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}

/* ============ App Shell ============ */
.side-shell{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--side-w);
  background:#fff;
  border-right:1px solid var(--line);
  padding:24px 18px 18px;
  display:flex;
  flex-direction:column;
  gap:6px;
  z-index:1040;
  overflow-y:auto;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  padding:6px 8px 18px;
  border-bottom:1px solid var(--line);
  margin-bottom:16px;
}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;
  border-radius:13px;
  background:var(--grad);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;
  box-shadow:0 8px 18px rgba(14,159,135,.28);
}
.brand-text{
  font-size:16px;
  font-weight:800;
  color:var(--ink);
  letter-spacing:.2px;
  line-height:1.3;
}
.nav-group-title{
  font-size:12px;
  letter-spacing:.16em;
  color:var(--muted);
  padding:0 10px 8px;
  display:block;
}
.side-link{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  padding:11px 12px;
  border-radius:var(--radius-sm);
  color:#2C4B45;
  font-size:14.5px;
  font-weight:500;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.side-link i{width:18px;text-align:center;color:var(--primary);font-size:14px;}
.side-link:hover{background:var(--soft);color:var(--primary-dark);}
.side-link.active{
  background:var(--soft);
  color:var(--primary-dark);
  font-weight:700;
  box-shadow:inset 0 0 0 1px rgba(14,159,135,.12);
}
.side-link.active::before{
  content:"";
  position:absolute;
  left:-18px;top:9px;bottom:9px;
  width:4px;
  border-radius:0 4px 4px 0;
  background:var(--grad);
}
.side-foot{
  margin-top:auto;
  background:linear-gradient(160deg,#F1FBF8,#E7F6F3);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:16px;
}
.side-foot-title{font-size:13px;color:var(--muted);display:block;margin-bottom:2px;}
.side-foot strong{font-size:17px;color:var(--primary-dark);display:block;margin-bottom:10px;}
.side-foot .btn-brand{width:100%;justify-content:center;padding:10px 14px;font-size:14.5px;}

/* ============ Mobile topbar ============ */
.topbar{
  display:none;
  position:sticky;
  top:0;
  z-index:1050;
  height:62px;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  align-items:center;
  gap:12px;
  padding:0 16px;
}
.hamburger{
  width:42px;height:42px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:12px;
  color:var(--primary-dark);
  font-size:17px;
  display:flex;align-items:center;justify-content:center;
  transition:.2s;
}
.hamburger:hover{background:var(--soft);}
.topbar-brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:15.5px;color:var(--ink);}
.topbar-brand .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:11px;font-size:15px;}
.drawer-mask{
  display:none;
  position:fixed;inset:0;
  background:rgba(11,61,54,.45);
  z-index:1039;
}
.drawer-mask.show{display:block;}

/* ============ Layout ============ */
.main-wrap{margin-left:var(--side-w);}
.page-container{max-width:1200px;margin:0 auto;padding:0 36px;}
section{padding:76px 0;}
.section-head{margin-bottom:36px;max-width:760px;}
.section-head h2{font-size:30px;margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;
  color:var(--primary-dark);
  background:var(--soft);
  border:1px solid var(--line);
  padding:5px 14px;
  border-radius:999px;
  margin-bottom:16px;
  letter-spacing:.04em;
}

/* ============ Buttons ============ */
.btn-brand{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--grad);
  color:#fff;
  border:none;
  border-radius:var(--radius-sm);
  padding:13px 26px;
  font-weight:600;
  font-size:16px;
  box-shadow:0 10px 24px rgba(14,159,135,.26);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 16px 34px rgba(14,159,135,.32);}
.btn-brand:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(56,183,216,.5);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;
  border:1.5px solid var(--primary);
  color:var(--primary-dark);
  border-radius:var(--radius-sm);
  padding:11.5px 24px;
  font-weight:600;
  font-size:16px;
  transition:background .2s ease,transform .2s ease,color .2s ease;
}
.btn-ghost:hover{background:var(--soft);color:var(--primary-dark);transform:translateY(-2px);}
.btn-ghost:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(14,159,135,.28);}

/* ============ Hero ============ */
.hero-cat{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-xl);
  margin:32px 0 0;
  padding:52px 48px;
  background-image:linear-gradient(115deg,rgba(11,61,54,.94) 0%,rgba(14,159,135,.86) 52%,rgba(56,183,216,.68) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  color:#fff;
  box-shadow:0 20px 46px rgba(11,61,54,.24);
}
.hero-cat::after{
  content:"";
  position:absolute;
  right:-70px;bottom:-90px;
  width:280px;height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(246,164,59,.4),rgba(246,164,59,0) 68%);
}
.hero-cat-inner{position:relative;z-index:2;max-width:720px;}
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13.5px;color:rgba(255,255,255,.82);margin-bottom:20px;}
.crumb a{color:rgba(255,255,255,.92);}
.crumb a:hover{color:#FFD9A6;}
.crumb i{font-size:10px;opacity:.7;}
.hero-cat .eyebrow{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.28);color:#EAFBF7;}
.hero-cat h1{
  font-size:44px;
  color:#fff;
  letter-spacing:.4px;
  margin-bottom:16px;
}
.hero-sub{
  font-size:17px;
  color:rgba(255,255,255,.9);
  max-width:640px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-cat .btn-ghost{border-color:rgba(255,255,255,.7);color:#fff;}
.hero-cat .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;}

/* ============ Metric strip ============ */
.metric-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  margin-top:-34px;
  position:relative;
  z-index:5;
}
.metric-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:20px 22px;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease;
}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.metric-card i{color:var(--primary);font-size:18px;margin-bottom:10px;display:block;}
.metric-card .num{font-size:24px;font-weight:800;color:var(--primary-dark);letter-spacing:.4px;display:block;}
.metric-card .label{font-size:13.5px;color:var(--muted);display:block;line-height:1.6;}

/* ============ Timeline ============ */
.timeline{position:relative;padding-left:4px;}
.timeline::before{
  content:"";
  position:absolute;
  left:26px;top:16px;bottom:16px;
  width:2px;
  background:linear-gradient(180deg,var(--primary),rgba(56,183,216,.25));
}
.tl-item{position:relative;padding-left:78px;margin-bottom:20px;}
.tl-item:last-child{margin-bottom:0;}
.tl-dot{
  position:absolute;left:11px;top:8px;
  width:32px;height:32px;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--primary);
  color:var(--primary-dark);
  font-weight:800;
  font-size:13.5px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(14,159,135,.18);
  z-index:2;
}
.tl-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 26px;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(14,159,135,.35);}
.tl-card h3{font-size:20px;margin-bottom:8px;}
.tl-card p{color:var(--muted);font-size:15.5px;}
.tl-tag{
  display:inline-block;
  font-size:12.5px;
  font-weight:700;
  color:var(--primary-dark);
  background:var(--soft);
  border-radius:999px;
  padding:3px 12px;
  margin-bottom:10px;
}

/* ============ Shot blocks ============ */
.shot-block{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  align-items:center;
}
.shot-block + .shot-block{margin-top:52px;}
.shot-img{
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  background:#fff;
}
.shot-img img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .35s ease;
}
.shot-img:hover img{transform:scale(1.03);}
.shot-text h3{font-size:24px;margin-bottom:14px;}
.shot-text p{color:var(--muted);font-size:16px;margin-bottom:16px;}
.shot-points li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:15.5px;
  color:#2C4B45;
  padding:9px 0;
  border-bottom:1px dashed var(--line);
}
.shot-points li:last-child{border-bottom:none;}
.shot-points i{color:var(--primary);font-size:14px;margin-top:7px;}

/* ============ Trouble cards ============ */
.trouble-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:18px;
}
.trouble-card{
  background:#fff;
  border:1px solid var(--line);
  border-left:4px solid var(--accent);
  border-radius:var(--radius);
  padding:22px 24px;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease;
}
.trouble-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.trouble-card h3{font-size:18px;margin-bottom:8px;display:flex;align-items:center;gap:9px;}
.trouble-card h3 i{color:var(--accent);font-size:15px;}
.trouble-card p{color:var(--muted);font-size:15px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;}
.accordion-item{
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden;
  margin-bottom:14px;
  background:#fff;
  box-shadow:0 6px 18px rgba(14,159,135,.07);
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-button{
  font-weight:700;
  font-size:17px;
  color:var(--ink);
  background:#fff;
  padding:19px 22px;
  box-shadow:none;
}
.accordion-button:not(.collapsed){
  background:var(--soft);
  color:var(--primary-dark);
  box-shadow:none;
}
.accordion-button:focus{
  border-color:transparent;
  box-shadow:0 0 0 3px rgba(14,159,135,.18);
  z-index:3;
}
.accordion-button::after{
  background-image:none;
  content:"+";
  font-size:20px;
  font-weight:600;
  line-height:1;
  width:28px;height:28px;
  flex:0 0 28px;
  border-radius:50%;
  background-color:var(--soft);
  color:var(--primary-dark);
  display:flex;align-items:center;justify-content:center;
  transition:transform .25s ease,background-color .25s ease,color .25s ease;
}
.accordion-button:not(.collapsed)::after{
  content:"–";
  background-color:var(--primary);
  color:#fff;
  transform:rotate(180deg);
}
.accordion-body{
  padding:4px 22px 22px;
  color:var(--muted);
  font-size:15.5px;
  line-height:1.85;
  background:#fff;
}

/* ============ CTA ============ */
.cta-panel{
  border-radius:var(--radius-xl);
  background-image:linear-gradient(120deg,rgba(11,61,54,.95) 0%,rgba(14,159,135,.9) 58%,rgba(56,183,216,.78) 100%);
  color:#fff;
  padding:52px 48px;
  display:grid;
  grid-template-columns:1.35fr .95fr;
  gap:36px;
  align-items:center;
  box-shadow:0 22px 48px rgba(11,61,54,.22);
}
.cta-panel h2{color:#fff;font-size:30px;margin-bottom:14px;}
.cta-panel p{color:rgba(255,255,255,.88);font-size:16px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px;}
.cta-panel .btn-ghost{border-color:rgba(255,255,255,.72);color:#fff;}
.cta-panel .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;}
.cta-side{
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.24);
  border-radius:var(--radius-lg);
  padding:24px;
}
.cta-side li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;
  color:#EAFBF7;
  padding:10px 0;
  border-bottom:1px solid rgba(255,255,255,.16);
}
.cta-side li:last-child{border-bottom:none;}
.cta-side i{color:#FFD9A6;margin-top:7px;font-size:13px;}

/* ============ Footer ============ */
.site-footer{
  background:var(--deep);
  color:rgba(255,255,255,.78);
  padding:62px 0 26px;
  margin-top:80px;
}
.site-footer .container-xxl{max-width:1200px;padding:0 36px;margin:0 auto;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:32px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand strong{color:#fff;font-size:16.5px;font-weight:800;}
.footer-brand .brand-mark{width:36px;height:36px;flex:0 0 36px;border-radius:12px;font-size:15px;}
.site-footer p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66);}
.site-footer h4{color:#fff;font-size:15.5px;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-links a:hover{color:var(--accent);}
.footer-contact li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;
  color:rgba(255,255,255,.72);
  margin-bottom:12px;
}
.footer-contact i{color:var(--sky);margin-top:6px;font-size:13px;}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  font-size:13.5px;
  color:rgba(255,255,255,.58);
}

/* ============ Back to top ============ */
.to-top{
  position:fixed;
  right:24px;bottom:28px;
  width:46px;height:46px;
  border-radius:50%;
  background:var(--grad);
  color:#fff;
  border:none;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 28px rgba(14,159,135,.34);
  opacity:0;visibility:hidden;
  transform:translateY(10px);
  transition:.25s;
  z-index:1060;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{filter:brightness(1.06);}

/* ============ Responsive ============ */
@media (max-width:1399.98px){
  .page-container{max-width:1160px;}
}
@media (max-width:1199.98px){
  :root{--side-w:232px;}
  .hero-cat h1{font-size:38px;}
}
@media (max-width:991.98px){
  .side-shell{
    transform:translateX(-100%);
    transition:transform .28s ease;
    width:280px;
    box-shadow:0 20px 50px rgba(11,61,54,.28);
  }
  .side-shell.open{transform:translateX(0);}
  .side-link.active::before{left:-18px;}
  .topbar{display:flex;}
  .main-wrap{margin-left:0;}
  .page-container{padding:0 22px;}
  .hero-cat{padding:40px 30px;border-radius:var(--radius-lg);margin-top:22px;}
  .hero-cat h1{font-size:32px;}
  .metric-strip{grid-template-columns:repeat(2,1fr);}
  .shot-block{grid-template-columns:1fr;gap:24px;}
  .shot-block.reverse .shot-img{order:-1;}
  .cta-panel{grid-template-columns:1fr;padding:38px 30px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  section{padding:56px 0;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .page-container{padding:0 16px;}
  .hero-cat{padding:32px 22px;}
  .hero-cat h1{font-size:28px;}
  .hero-sub{font-size:15.5px;}
  .section-head h2{font-size:24px;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%;justify-content:center;}
  .metric-strip{grid-template-columns:1fr;margin-top:20px;}
  .trouble-grid{grid-template-columns:1fr;}
  .tl-item{padding-left:64px;}
  .tl-card{padding:18px 20px;}
  .tl-card h3{font-size:18px;}
  .cta-panel h2{font-size:23px;}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{width:100%;justify-content:center;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .site-footer .container-xxl{padding:0 16px;}
  .footer-bottom{flex-direction:column;}
  .accordion-button{font-size:15.5px;padding:16px 18px;}
  .accordion-body{padding:2px 18px 18px;}
}
@media (max-width:575.98px){
  .shot-text h3{font-size:20px;}
  .metric-card{padding:18px;}
}

/* roulang page: category3 */
:root{
  --brand:#0E9F87;
  --brand-2:#38B7D8;
  --accent:#F6A43B;
  --bg:#F4FAF8;
  --card:#FFFFFF;
  --text:#102A25;
  --muted:#5F736E;
  --border:#D8EDE8;
  --dark:#0B3D36;
  --brand-grad:linear-gradient(135deg,#0E9F87 0%,#38B7D8 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 10px 30px rgba(14,159,135,.10);
  --sh-2:0 16px 40px rgba(14,159,135,.18);
  --sidebar-w:256px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","HarmonyOS Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#0B7C6A;}
h1,h2,h3,h4{font-weight:800;line-height:1.35;color:var(--text);margin:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(14,159,135,.30);border-radius:10px;}

/* ---------- 左侧 App Shell ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--card);border-right:1px solid var(--border);
  display:flex;flex-direction:column;gap:14px;
  padding:22px 16px 18px;z-index:1040;
}
.side-brand{display:flex;align-items:center;gap:12px;padding:4px 8px 16px;border-bottom:1px solid var(--border);color:var(--text);}
.side-brand:hover{color:var(--text);}
.brand-mark{
  width:38px;height:38px;flex:none;border-radius:12px;background:var(--brand-grad);
  color:#fff;display:grid;place-items:center;font-size:16px;box-shadow:var(--sh-1);
}
.side-brand strong{display:block;font-size:15px;font-weight:800;letter-spacing:.2px;}
.side-brand small{display:block;font-size:12px;color:var(--muted);line-height:1.5;}
.side-nav{display:flex;flex-direction:column;gap:4px;overflow-y:auto;flex:1;padding-right:2px;}
.nav-group-title{font-size:12px;font-weight:700;color:var(--muted);letter-spacing:.14em;padding:10px 12px 4px;}
.side-link{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:12px;color:#33524B;font-size:14.5px;font-weight:600;
}
.side-link i{width:18px;text-align:center;font-size:14px;color:#7FA79E;}
.side-link:hover{background:var(--bg);color:var(--brand);}
.side-link:hover i{color:var(--brand);}
.side-link.active{background:#E9F7F3;color:var(--brand);font-weight:800;}
.side-link.active i{color:var(--brand);}
.side-link.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:22px;border-radius:var(--r-pill);background:var(--brand-grad);
}
.side-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 14px;border-radius:var(--r-sm);background:var(--brand-grad);color:#fff;
  font-weight:700;font-size:14px;box-shadow:var(--sh-1);
}
.side-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.side-cta{transition:transform .2s ease,box-shadow .2s ease;}
.side-note{font-size:12px;color:var(--muted);text-align:center;line-height:1.6;}

/* ---------- 移动端顶栏与抽屉 ---------- */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:62px;z-index:1050;
  background:rgba(255,255,255,.96);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);align-items:center;gap:12px;padding:0 16px;
}
.hamburger{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--border);
  background:#fff;color:var(--brand);font-size:17px;display:grid;place-items:center;
}
.hamburger:hover{background:var(--bg);}
.mobile-brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:800;font-size:15px;}
.mobile-brand:hover{color:var(--text);}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:280px;background:#fff;z-index:1060;
  transform:translateX(-102%);transition:transform .28s ease;
  padding:22px 16px;display:flex;flex-direction:column;gap:12px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,61,54,.48);z-index:1055;
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
}
.drawer-mask.open{opacity:1;visibility:visible;}

/* ---------- 主内容 ---------- */
.main-shell{margin-left:var(--sidebar-w);padding:30px 38px 0;}
.shell-container{max-width:1200px;margin:0 auto;}
.section{padding:56px 0;}
.section-tight{padding:36px 0;}
.section-head{max-width:760px;margin-bottom:28px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  background:#E9F7F3;color:var(--brand);font-size:13px;font-weight:700;letter-spacing:.04em;margin-bottom:14px;
}
.eyebrow.light{background:rgba(255,255,255,.18);color:#fff;}
.section-head h2{font-size:clamp(24px,3vw,31px);}
.section-head p{color:var(--muted);font-size:15.5px;margin-top:12px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:18px;flex-wrap:wrap;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb i{font-size:10px;color:#A9C6C0;}

/* ---------- 小 Hero ---------- */
.hero-sm{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  display:flex;align-items:center;min-height:308px;box-shadow:var(--sh-1);
}
.hero-sm-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.hero-sm-mask{
  position:absolute;inset:0;
  background:linear-gradient(104deg,rgba(11,61,54,.94) 0%,rgba(14,159,135,.80) 52%,rgba(56,183,216,.52) 100%);
}
.hero-sm-body{position:relative;z-index:2;color:#fff;padding:46px 44px;max-width:860px;}
.hero-sm-body h1{color:#fff;font-size:clamp(27px,3.6vw,40px);letter-spacing:.3px;}
.hero-sm-body p{color:rgba(255,255,255,.92);font-size:16px;margin-top:16px;max-width:680px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-tags span{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  padding:6px 13px;border-radius:var(--r-pill);color:#fff;
}

/* ---------- 按钮 ---------- */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:var(--r-sm);border:none;
  background:var(--brand-grad);color:#fff;font-weight:700;font-size:15px;
  box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);filter:brightness(1.05);}
.btn-brand:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 24px;border-radius:var(--r-sm);background:transparent;
  border:1.5px solid rgba(255,255,255,.62);color:#fff;font-weight:700;font-size:15px;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px);}
.btn-outline-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 24px;border-radius:var(--r-sm);border:1.5px solid var(--brand);
  color:var(--brand);font-weight:700;font-size:15px;background:#fff;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-outline-brand:hover{background:#E9F7F3;color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-text{color:var(--brand);font-weight:700;position:relative;}
.btn-text::after{
  content:"";position:absolute;left:0;bottom:-3px;width:100%;height:2px;border-radius:2px;
  background:var(--brand-grad);transform:scaleX(.35);transform-origin:left;transition:transform .25s ease;
}
.btn-text:hover::after{transform:scaleX(1);}

/* ---------- 提示条 ---------- */
.notice-strip{
  display:flex;gap:14px;align-items:flex-start;
  background:#fff;border:1px solid var(--border);border-left:5px solid var(--accent);
  border-radius:var(--r-md);padding:18px 22px;box-shadow:var(--sh-1);
}
.notice-strip i{color:var(--accent);font-size:18px;margin-top:4px;}
.notice-strip p{font-size:14.5px;color:#3C5B54;}
.notice-strip strong{color:var(--text);}

/* ---------- 清单 + 风险（两列非对称） ---------- */
.split{display:grid;grid-template-columns:5fr 7fr;gap:28px;align-items:start;}
.sticky-col{position:sticky;top:28px;}
.panel{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:28px 26px;box-shadow:var(--sh-1);
}
.panel-title{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;margin-bottom:6px;}
.panel-title i{color:var(--brand);}
.panel-sub{font-size:14px;color:var(--muted);margin-bottom:18px;}
.check-list{display:flex;flex-direction:column;gap:10px;}
.check-item{
  display:flex;gap:12px;align-items:flex-start;padding:12px 14px;border-radius:var(--r-sm);
  background:var(--bg);border:1px solid transparent;transition:background .2s ease,border-color .2s ease;
}
.check-item:hover{background:#E9F7F3;border-color:var(--border);}
.check-item i{color:var(--brand);font-size:15px;margin-top:5px;}
.check-item strong{display:block;font-size:14.5px;font-weight:700;}
.check-item span{font-size:13.5px;color:var(--muted);line-height:1.7;}
.panel-foot{
  margin-top:20px;padding-top:18px;border-top:1px dashed var(--border);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.panel-foot small{color:var(--muted);font-size:13px;}

.warn-stack{display:flex;flex-direction:column;gap:16px;}
.warn-card{
  background:#FFF9F0;border:1px solid #FBE3C4;border-radius:var(--r-md);
  padding:20px 22px;transition:transform .2s ease,box-shadow .2s ease;
}
.warn-card:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(246,164,59,.16);}
.warn-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px;}
.warn-head h3{font-size:17px;}
.warn-badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);
  background:#FDECD5;color:#B4670F;font-size:12px;font-weight:700;
}
.warn-card p{font-size:14.5px;color:#4A5C57;}
.warn-card .fix{
  margin-top:12px;padding:10px 14px;border-radius:12px;background:#fff;border:1px dashed #F3D2A8;
  font-size:13.5px;color:#5A4432;
}
.warn-card .fix b{color:#8A4E10;}

/* ---------- 验证流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.step{
  position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:24px 22px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.step-num{
  width:38px;height:38px;border-radius:12px;background:var(--brand-grad);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:15px;margin-bottom:14px;box-shadow:var(--sh-1);
}
.step h3{font-size:16.5px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--muted);}
.step .step-tag{
  display:inline-block;margin-top:14px;font-size:12.5px;font-weight:700;color:var(--brand);
  background:#E9F7F3;border-radius:var(--r-pill);padding:3px 11px;
}

/* ---------- 核验图示两列 ---------- */
.media-row{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);padding:26px;box-shadow:var(--sh-1);}
.media-row img{border-radius:var(--r-md);width:100%;aspect-ratio:16/10;object-fit:cover;}
.media-row h3{font-size:21px;margin-bottom:12px;}
.media-row p{font-size:15px;color:var(--muted);}
.tick-list{margin-top:16px;display:flex;flex-direction:column;gap:9px;}
.tick-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:#37544E;}
.tick-list i{color:var(--brand);margin-top:6px;font-size:13px;}

/* ---------- 数据条 ---------- */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.stat{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  padding:20px 20px;box-shadow:var(--sh-1);
}
.stat b{display:block;font-size:24px;font-weight:800;color:var(--brand);letter-spacing:.4px;}
.stat span{display:block;font-size:13.5px;color:var(--muted);margin-top:4px;}

/* ---------- FAQ ---------- */
.faq-quiet .accordion-item{
  border:1px solid var(--border);border-radius:var(--r-md) !important;background:#fff;
  margin-bottom:12px;overflow:hidden;box-shadow:0 6px 18px rgba(14,159,135,.06);
}
.faq-quiet .accordion-button{
  background:#fff;color:var(--text);font-weight:700;font-size:16.5px;
  padding:20px 22px;box-shadow:none;gap:14px;align-items:center;border-radius:var(--r-md) !important;
}
.faq-quiet .accordion-button:not(.collapsed){background:#E9F7F3;color:var(--brand);}
.faq-quiet .accordion-button:focus{box-shadow:0 0 0 3px rgba(14,159,135,.18);}
.faq-quiet .q-index{
  flex:none;width:30px;height:30px;border-radius:10px;background:var(--bg);color:var(--brand);
  display:grid;place-items:center;font-size:13px;font-weight:800;
}
.faq-quiet .accordion-button:not(.collapsed) .q-index{background:var(--brand);color:#fff;}
.faq-quiet .accordion-button::after{
  content:"+";background-image:none;transform:none;width:30px;height:30px;flex:none;
  display:grid;place-items:center;border-radius:50%;background:#E9F7F3;color:var(--brand);
  font-weight:800;font-size:18px;line-height:1;
}
.faq-quiet .accordion-button:not(.collapsed)::after{content:"−";background:var(--brand);color:#fff;transform:none;}
.faq-quiet .accordion-body{padding:4px 22px 22px 66px;color:#3C5B54;font-size:15px;}

/* ---------- 咨询表单 ---------- */
.consult-wrap{display:grid;grid-template-columns:.95fr 1.05fr;gap:26px;align-items:stretch;}
.consult-intro{
  background:var(--brand-grad);color:#fff;border-radius:var(--r-xl);padding:34px 30px;
  display:flex;flex-direction:column;justify-content:space-between;box-shadow:var(--sh-2);
}
.consult-intro h2{color:#fff;font-size:26px;}
.consult-intro p{color:rgba(255,255,255,.92);font-size:15px;margin-top:14px;}
.consult-list{margin-top:22px;display:flex;flex-direction:column;gap:11px;}
.consult-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.95);}
.consult-list i{margin-top:6px;font-size:13px;color:#fff;opacity:.86;}
.form-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);padding:30px 28px;box-shadow:var(--sh-1);}
.form-card .form-label{font-size:14px;font-weight:700;color:#33524B;margin-bottom:7px;}
.form-card .form-control{
  border:1px solid var(--border);border-radius:var(--r-sm);height:50px;
  padding:12px 16px;font-size:15px;color:var(--text);background:#FCFEFD;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.form-card textarea.form-control{height:104px;resize:vertical;line-height:1.7;}
.form-card .form-control:focus{
  border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(14,159,135,.14);
}
.form-card .form-control::placeholder{color:#9BB4AE;}
.form-check-input{width:18px;height:18px;border-color:#BFD9D3;margin-top:5px;}
.form-check-input:checked{background-color:var(--brand);border-color:var(--brand);}
.form-check-label{font-size:13.5px;color:var(--muted);}
.form-note{font-size:12.5px;color:var(--muted);margin-top:14px;}
.form-msg{display:none;margin-top:14px;padding:12px 16px;border-radius:var(--r-sm);font-size:14px;}
.form-msg.ok{display:block;background:#E9F7F3;color:#0B7C6A;border:1px solid var(--border);}
.form-msg.err{display:block;background:#FDF0EE;color:#B4432F;border:1px solid #F6D5CF;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#CFE6E1;margin-top:64px;padding:56px 0 26px;}
.site-footer .container-xxl{max-width:1200px;padding-left:20px;padding-right:20px;}
.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1.15fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.footer-brand strong{color:#fff;font-size:16.5px;font-weight:800;}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:11px;}
.site-footer p{font-size:14px;color:#A8C7C1;line-height:1.85;}
.site-footer h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:#A8C7C1;font-size:14px;}
.footer-links a:hover{color:var(--accent);}
.footer-contact{display:flex;flex-direction:column;gap:11px;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#A8C7C1;}
.footer-contact i{color:var(--brand-2);margin-top:6px;font-size:13px;}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.13);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#8FB4AE;
}
.back-top{
  width:42px;height:42px;border-radius:14px;border:none;background:var(--brand-grad);color:#fff;
  display:grid;place-items:center;box-shadow:var(--sh-1);position:fixed;right:22px;bottom:22px;z-index:1030;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease,transform .25s ease;
}
.back-top.show{opacity:1;visibility:visible;}
.back-top:hover{transform:translateY(-3px);}

/* ---------- 响应式 ---------- */
@media (max-width:1399.98px){
  .shell-container{max-width:1140px;}
}
@media (max-width:1199.98px){
  :root{--sidebar-w:232px;}
  .main-shell{padding:26px 26px 0;}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:26px;}
}
@media (max-width:991.98px){
  .sidebar{display:none;}
  .mobile-bar{display:flex;}
  .main-shell{margin-left:0;padding:80px 18px 0;}
  .split{grid-template-columns:1fr;}
  .sticky-col{position:static;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .media-row{grid-template-columns:1fr;}
  .consult-wrap{grid-template-columns:1fr;}
  .stat-row{grid-template-columns:repeat(2,1fr);}
  .hero-sm-body{padding:34px 26px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .section{padding:42px 0;}
  .panel{padding:22px 18px;}
  .form-card{padding:24px 20px;}
  .consult-intro{padding:26px 22px;}
  .faq-quiet .accordion-body{padding:4px 18px 20px 18px;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:575.98px){
  .steps{grid-template-columns:1fr;}
  .stat-row{grid-template-columns:1fr;}
  .hero-actions .btn-brand,
  .hero-actions .btn-ghost{width:100%;}
  .form-card .btn-brand{width:100%;}
  .hero-sm{min-height:0;}
  .hero-sm-body{padding:28px 20px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category4 */
:root{
  --brand:#0E9F87;
  --brand-deep:#0B7C6A;
  --sky:#38B7D8;
  --accent:#F6A43B;
  --accent-soft:#FDF1E1;
  --bg:#F4FAF8;
  --card:#FFFFFF;
  --text:#102A25;
  --muted:#5F736E;
  --line:#D8EDE8;
  --soft:#E9F6F2;
  --dark:#0B3D36;
  --grad:linear-gradient(135deg,#0E9F87 0%,#38B7D8 100%);
  --grad-soft:linear-gradient(135deg,rgba(14,159,135,.10) 0%,rgba(56,183,216,.10) 100%);
  --shadow-sm:0 10px 30px rgba(14,159,135,.10);
  --shadow-md:0 16px 40px rgba(14,159,135,.18);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --side-w:256px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","HarmonyOS Sans SC","Noto Sans SC",system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-deep);}
img{max-width:100%;display:block;}
button{font-family:inherit;}
h1,h2,h3,h4{font-weight:700;line-height:1.35;color:var(--text);}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}

/* ============ 布局骨架 ============ */
.app-shell{display:block;min-height:100vh;}
.side-shell{
  position:fixed;top:0;left:0;bottom:0;
  width:var(--side-w);
  background:#fff;
  border-right:1px solid var(--line);
  padding:24px 16px 28px;
  overflow-y:auto;
  z-index:1040;
}
.side-brand{
  display:flex;align-items:center;gap:10px;
  padding:4px 6px 18px;
  border-bottom:1px dashed var(--line);
  margin-bottom:18px;
}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:14px;
  background:var(--grad);
  color:#fff;font-size:18px;
  box-shadow:0 8px 20px rgba(14,159,135,.28);
}
.side-brand strong{
  display:block;font-size:15px;font-weight:800;letter-spacing:.2px;
  color:var(--text);line-height:1.3;
}
.side-brand small{display:block;font-size:11px;color:var(--muted);letter-spacing:.6px;}
.nav-group-title{
  display:block;
  font-size:12px;letter-spacing:1.4px;color:var(--muted);
  padding:0 8px 8px;
}
.side-link{
  position:relative;
  display:flex;align-items:center;gap:10px;
  padding:11px 12px;
  border-radius:var(--r-sm);
  color:#3B524C;
  font-size:14.5px;font-weight:500;
  margin-bottom:4px;
  transition:background .2s ease,color .2s ease,transform .18s ease;
}
.side-link i{width:18px;text-align:center;font-size:14px;color:var(--brand);opacity:.85;}
.side-link:hover{background:var(--soft);color:var(--brand-deep);transform:translateX(2px);}
.side-link.active{
  background:var(--grad-soft);
  color:var(--brand-deep);
  font-weight:700;
}
.side-link.active::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;
  border-radius:0 4px 4px 0;background:var(--grad);
}
.side-cta{
  margin-top:22px;
  padding:18px 16px;
  border-radius:var(--r-md);
  background:linear-gradient(150deg,#0B3D36 0%,#0E9F87 100%);
  color:#fff;
}
.side-cta h5{font-size:14px;margin:0 0 6px;color:#fff;font-weight:700;}
.side-cta p{font-size:12.5px;line-height:1.7;color:rgba(255,255,255,.82);margin:0 0 12px;}
.side-cta a{
  display:block;text-align:center;
  padding:9px 12px;border-radius:999px;
  background:#fff;color:var(--brand-deep);
  font-size:13px;font-weight:700;
}
.side-cta a:hover{background:var(--accent);color:#fff;}

.main-area{
  margin-left:var(--side-w);
  min-height:100vh;
  padding:36px 40px 0;
}
.container-xxl{max-width:1200px;margin:0 auto;padding:0 8px;}

/* ============ 移动端顶栏 / 抽屉 ============ */
.mobile-bar{
  display:none;
  position:sticky;top:0;z-index:1050;
  height:62px;
  align-items:center;justify-content:space-between;
  padding:0 16px;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.mobile-bar .side-brand{padding:0;border:none;margin:0;}
.mobile-bar .brand-mark{width:36px;height:36px;flex:0 0 36px;font-size:15px;}
.mobile-bar .side-brand strong{font-size:14px;}
.menu-toggle{
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--brand-deep);
  font-size:16px;
}
.menu-toggle:focus-visible{outline:2px solid var(--sky);outline-offset:2px;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,61,54,.5);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:1055;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:280px;
  background:#fff;z-index:1060;
  transform:translateX(-102%);
  transition:transform .28s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;padding:22px 16px 30px;
  box-shadow:0 20px 60px rgba(11,61,54,.28);
}
.drawer.show{transform:translateX(0);}

/* ============ 小 Hero ============ */
.page-hero{
  position:relative;
  border-radius:var(--r-xl);
  overflow:hidden;
  padding:48px 44px;
  color:#fff;
  background-image:linear-gradient(120deg,rgba(11,61,54,.92) 0%,rgba(14,159,135,.86) 48%,rgba(56,183,216,.72) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow-sm);
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.3);
  font-size:12.5px;letter-spacing:.6px;margin-bottom:16px;
}
.page-hero h1{
  color:#fff;
  font-size:42px;
  font-weight:800;
  letter-spacing:.5px;
  margin:0 0 14px;
  max-width:820px;
}
.page-hero p{
  font-size:16px;
  line-height:1.9;
  color:rgba(255,255,255,.9);
  max-width:760px;
  margin:0 0 22px;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;}
.hero-meta span{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;
  padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
}

/* ============ 区块通用 ============ */
.section{padding:56px 0 0;}
.section-head{margin-bottom:26px;}
.section-head .eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:1.6px;
  color:var(--brand);font-weight:700;margin-bottom:8px;
}
.section-head h2{font-size:30px;margin:0 0 10px;}
.section-head p{color:var(--muted);font-size:15px;margin:0;max-width:760px;}
.card-surface{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm);
}

/* ============ 搜索与筛选 ============ */
.faq-toolbar{
  margin-top:26px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm);
  padding:22px 24px;
}
.search-box{position:relative;}
.search-box i{
  position:absolute;left:18px;top:50%;transform:translateY(-50%);
  color:var(--brand);font-size:15px;
}
.search-box input{
  width:100%;height:52px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:#FBFEFD;
  padding:0 18px 0 46px;
  font-size:15px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box input::placeholder{color:#96A8A3;}
.search-box input:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(14,159,135,.14);
  background:#fff;
}
.filter-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
.chip{
  border:1px solid var(--line);
  background:#fff;
  color:var(--muted);
  font-size:13.5px;
  padding:8px 16px;
  border-radius:999px;
  transition:all .2s ease;
}
.chip:hover{border-color:var(--brand);color:var(--brand-deep);background:var(--soft);}
.chip.active{
  background:var(--grad);color:#fff;border-color:transparent;
  box-shadow:0 8px 18px rgba(14,159,135,.24);
  font-weight:600;
}
.chip:focus-visible{outline:2px solid var(--sky);outline-offset:2px;}

/* ============ FAQ 大列表 ============ */
.faq-group{margin-bottom:34px;}
.faq-group-title{
  display:flex;align-items:center;gap:12px;
  font-size:20px;margin:0 0 16px;
}
.faq-group-title .g-dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--grad);flex:0 0 10px;
  box-shadow:0 0 0 4px rgba(14,159,135,.12);
}
.faq-group-title .g-count{
  margin-left:auto;font-size:12.5px;color:var(--muted);font-weight:500;
  background:var(--soft);border-radius:999px;padding:4px 12px;
}
.faq-accordion .accordion-item{
  border:1px solid var(--line);
  border-radius:var(--r-md) !important;
  margin-bottom:12px;
  overflow:hidden;
  background:#fff;
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.faq-accordion .accordion-item:hover{
  border-color:#BEE6DC;
  box-shadow:0 12px 28px rgba(14,159,135,.10);
  transform:translateY(-2px);
}
.faq-accordion .accordion-button{
  background:#fff;
  color:var(--text);
  font-size:16.5px;
  font-weight:600;
  padding:18px 54px 18px 20px;
  border-radius:var(--r-md) !important;
  box-shadow:none !important;
  display:flex;align-items:flex-start;gap:12px;
  line-height:1.65;
}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--brand-deep);
  background:var(--soft);
}
.faq-accordion .accordion-button::after{
  content:"\f067";
  font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;
  background-image:none !important;
  width:30px;height:30px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--soft);
  color:var(--brand-deep);
  position:absolute;right:16px;top:16px;
  transform:none;
  transition:transform .24s ease,background .24s ease,color .24s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  content:"\f068";
  background:var(--grad);color:#fff;
  transform:none;
}
.faq-accordion .accordion-button:focus{outline:none;box-shadow:0 0 0 4px rgba(14,159,135,.14) !important;}
.q-index{
  flex:0 0 34px;height:26px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;
  color:var(--brand-deep);
  background:var(--soft);
  border-radius:8px;
  margin-top:2px;
}
.faq-accordion .accordion-body{
  padding:4px 22px 22px 66px;
  font-size:15px;
  color:#3B524C;
  line-height:1.9;
  border-top:1px dashed var(--line);
  margin-top:0;
  padding-top:16px;
}
.faq-accordion .accordion-body p:last-child{margin-bottom:0;}
.faq-accordion .accordion-body ul li{
  position:relative;padding-left:18px;margin-bottom:7px;
}
.faq-accordion .accordion-body ul li::before{
  content:"";position:absolute;left:0;top:12px;
  width:6px;height:6px;border-radius:50%;background:var(--sky);
}
.faq-empty{
  display:none;
  text-align:center;
  padding:46px 20px;
  border:1px dashed var(--line);
  border-radius:var(--r-lg);
  background:#fff;
  color:var(--muted);
}
.faq-empty i{font-size:30px;color:var(--sky);display:block;margin-bottom:12px;}
.faq-empty strong{display:block;color:var(--text);font-size:16px;margin-bottom:6px;}

/* ============ 右侧联系卡 ============ */
.sticky-col{position:sticky;top:26px;}
.contact-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm);
  padding:26px 24px;
  margin-bottom:20px;
}
.contact-card h3{font-size:19px;margin:0 0 8px;}
.contact-card .sub{font-size:13.5px;color:var(--muted);margin-bottom:18px;}
.contact-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 0;
  border-bottom:1px dashed var(--line);
  font-size:14px;color:#3B524C;
}
.contact-list li:last-child{border-bottom:none;}
.contact-list i{
  width:34px;height:34px;flex:0 0 34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;background:var(--soft);color:var(--brand-deep);font-size:13px;
}
.contact-list strong{display:block;font-size:13.5px;color:var(--text);}
.contact-list span{font-size:13px;color:var(--muted);}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--grad);color:#fff;
  border:none;border-radius:var(--r-sm);
  padding:13px 22px;font-size:15px;font-weight:700;
  box-shadow:0 10px 24px rgba(14,159,135,.26);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md);filter:brightness(1.05);}
.btn-brand:focus-visible{outline:2px solid var(--sky);outline-offset:3px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--brand-deep);
  border:1.5px solid var(--brand);
  border-radius:var(--r-sm);
  padding:12px 22px;font-size:15px;font-weight:600;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:var(--soft);color:var(--brand-deep);transform:translateY(-2px);}
.btn-ghost:focus-visible{outline:2px solid var(--sky);outline-offset:3px;}
.btn-block{width:100%;}

.tip-card{
  border-radius:var(--r-lg);
  padding:22px 22px;
  background:var(--accent-soft);
  border:1px solid #F7DDB6;
}
.tip-card h4{
  font-size:15px;margin:0 0 8px;color:#8A5613;
  display:flex;align-items:center;gap:8px;
}
.tip-card p{font-size:13.5px;color:#8A6A3B;margin:0;line-height:1.8;}

/* ============ 相关链接卡片 ============ */
.link-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.link-card{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform .24s ease,box-shadow .24s ease;
}
.link-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.link-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.link-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.link-card:hover .thumb img{transform:scale(1.04);}
.link-card .badge-cat{
  position:absolute;left:14px;top:14px;
  background:rgba(255,255,255,.92);
  color:var(--brand-deep);
  font-size:12px;font-weight:700;
  padding:5px 12px;border-radius:999px;
}
.link-card .body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1;}
.link-card h3{font-size:17.5px;margin:0 0 8px;}
.link-card p{font-size:14px;color:var(--muted);margin:0 0 16px;}
.link-card .more{
  margin-top:auto;font-size:14px;font-weight:700;color:var(--brand-deep);
  display:inline-flex;align-items:center;gap:6px;
}
.link-card .more i{transition:transform .2s ease;}
.link-card:hover .more i{transform:translateX(4px);}

/* ============ 咨询表单 ============ */
.consult-wrap{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
}
.consult-left{
  background:linear-gradient(160deg,#0B3D36 0%,#0E9F87 78%);
  color:#fff;
  padding:40px 34px;
  height:100%;
}
.consult-left h2{color:#fff;font-size:26px;margin:0 0 14px;}
.consult-left p{color:rgba(255,255,255,.86);font-size:14.5px;line-height:1.9;}
.consult-left ul li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:rgba(255,255,255,.9);
  padding:9px 0;
}
.consult-left ul li i{color:#9BE6D6;margin-top:5px;}
.consult-right{padding:38px 34px;}
.form-label{font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px;}
.form-control,.form-select{
  height:50px;border-radius:var(--r-sm);
  border:1px solid var(--line);
  font-size:15px;color:var(--text);
  background:#FBFEFD;
  transition:border-color .2s ease,box-shadow .2s ease;
}
textarea.form-control{height:auto;min-height:110px;padding-top:14px;}
.form-control:focus,.form-select:focus{
  border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 4px rgba(14,159,135,.14);
}
.form-check-input{width:19px;height:19px;margin-top:3px;border-color:#B9DCD3;}
.form-check-input:checked{background-color:var(--brand);border-color:var(--brand);}
.form-check-input:focus{box-shadow:0 0 0 4px rgba(14,159,135,.16);}
.form-check-label{font-size:13.5px;color:var(--muted);}
.form-note{font-size:12.5px;color:var(--muted);margin-top:10px;}
.form-alert{
  display:none;border-radius:var(--r-sm);
  font-size:13.5px;padding:12px 16px;margin-top:16px;
}
.form-alert.ok{display:block;background:#E6F7F2;color:#0B7C6A;border:1px solid #BEE6DC;}
.form-alert.err{display:block;background:#FDF0E4;color:#9A5A12;border:1px solid #F7DDB6;}

/* ============ CTA 条 ============ */
.cta-band{
  margin-top:56px;
  border-radius:var(--r-xl);
  padding:40px 42px;
  background:linear-gradient(120deg,#0B3D36 0%,#0E9F87 60%,#38B7D8 100%);
  color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  flex-wrap:wrap;
  box-shadow:var(--shadow-md);
}
.cta-band h2{color:#fff;font-size:26px;margin:0 0 10px;}
.cta-band p{color:rgba(255,255,255,.86);font-size:14.5px;margin:0;max-width:640px;}
.cta-band .btn-brand{background:#fff;color:var(--brand-deep);box-shadow:0 12px 26px rgba(0,0,0,.16);}
.cta-band .btn-brand:hover{color:var(--brand-deep);}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:72px;
  background:var(--dark);
  color:rgba(255,255,255,.78);
  padding:52px 0 26px;
}
.site-footer .container-xxl{padding:0 8px;}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:34px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand strong{color:#fff;font-size:16px;font-weight:800;}
.footer-brand .brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:12px;}
.site-footer p{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.72);margin:0;}
.site-footer h4{color:#fff;font-size:15px;margin:0 0 16px;font-weight:700;}
.footer-links li{margin-bottom:10px;}
.footer-links a{
  color:rgba(255,255,255,.72);font-size:14px;
  transition:color .2s ease,padding-left .2s ease;
}
.footer-links a:hover{color:var(--accent);padding-left:4px;}
.footer-contact li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:13.5px;color:rgba(255,255,255,.72);
  margin-bottom:12px;line-height:1.7;
}
.footer-contact i{color:#7FD9C6;margin-top:4px;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding-top:22px;
  font-size:12.5px;color:rgba(255,255,255,.55);
}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:26px;bottom:26px;
  width:46px;height:46px;border-radius:50%;
  border:none;background:var(--grad);color:#fff;
  box-shadow:var(--shadow-md);
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease,transform .2s ease;
  z-index:1030;
}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{transform:translateY(-3px);}
.to-top:focus-visible{outline:2px solid var(--sky);outline-offset:3px;}

/* ============ 响应式 ============ */
@media (max-width:1399.98px){
  .container-xxl{max-width:1200px;}
}
@media (max-width:1199.98px){
  :root{--side-w:232px;}
  .main-area{padding:28px 26px 0;}
  .page-hero h1{font-size:36px;}
}
@media (max-width:991.98px){
  .side-shell{display:none;}
  .mobile-bar{display:flex;}
  .main-area{margin-left:0;padding:22px 18px 0;}
  .page-hero{padding:34px 22px;border-radius:var(--r-lg);}
  .page-hero h1{font-size:30px;}
  .section{padding:42px 0 0;}
  .section-head h2{font-size:25px;}
  .link-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .sticky-col{position:static;}
  .consult-left{padding:30px 24px;}
  .consult-right{padding:28px 24px;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .main-area{padding:16px 14px 0;}
  .page-hero h1{font-size:26px;}
  .page-hero p{font-size:14.5px;}
  .section{padding:34px 0 0;}
  .section-head h2{font-size:22px;}
  .faq-toolbar{padding:18px 16px;}
  .faq-accordion .accordion-button{font-size:15.5px;padding:16px 50px 16px 16px;}
  .faq-accordion .accordion-body{padding:14px 18px 18px 18px;font-size:14.5px;}
  .link-grid{grid-template-columns:1fr;}
  .cta-band{padding:28px 22px;}
  .cta-band h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .btn-brand,.btn-ghost{width:100%;}
  .to-top{right:16px;bottom:16px;}
}
@media (max-width:575.98px){
  .page-hero{border-radius:var(--r-md);}
  .hero-meta span{font-size:12px;padding:6px 12px;}
  .contact-card,.faq-toolbar{padding:18px 16px;}
}