/* roulang page: index */
:root{
  --primary:#0F4C4A;
  --primary-2:#176B62;
  --primary-3:#1F8A78;
  --accent:#FF7A45;
  --accent-2:#FF9A62;
  --lime:#7BD389;
  --bg:#F6F7F4;
  --surface:#FFFFFF;
  --dark:#10201F;
  --text:#17201F;
  --muted:#5A6A68;
  --disabled:#A8B3B1;
  --border:rgba(16,32,31,.08);
  --input-border:#D9DEDC;
  --danger:#D64545;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --radius-pill:999px;
  --shadow-1:0 6px 18px rgba(16,32,31,.06);
  --shadow-2:0 14px 34px rgba(16,32,31,.12);
  --container:1200px;
  --gap-section:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .25s ease}
img{max-width:100%;display:block;height:auto;border:0}
button{font-family:inherit;font-size:inherit}
input,textarea{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:var(--gap-section) 0}
.section--tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:40px;flex-wrap:wrap}
.section-title{font-size:32px;letter-spacing:-.3px;display:flex;align-items:center}
.section-title::before{content:"";display:inline-block;width:10px;height:10px;border-radius:3px;background:linear-gradient(135deg,var(--accent),var(--accent-2));margin-right:14px;flex:none}
.section-sub{margin-top:12px;color:var(--muted);font-size:15px;max-width:46em;line-height:1.8}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.6px;color:var(--primary);background:rgba(15,76,74,.08);border-radius:var(--radius-pill);padding:6px 14px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:15px}
.text-link svg{transition:transform .25s ease}
.text-link:hover svg{transform:translateX(4px)}
/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;border:0;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,filter .25s ease,color .25s ease;
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(120deg,var(--accent),var(--accent-2));color:#fff;box-shadow:0 8px 20px rgba(255,122,69,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(255,122,69,.34);filter:brightness(1.04)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(255,122,69,.3)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.62)}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--primary);border:1.5px solid var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-stuck{background:rgba(255,255,255,.96);border-bottom-color:var(--border);box-shadow:0 4px 20px rgba(16,32,31,.07)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:74px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:38px;height:38px;border-radius:12px;flex:none;
  background:linear-gradient(135deg,var(--primary),var(--primary-3));
  color:#fff;display:grid;place-items:center;font-size:18px;font-weight:700;line-height:1;
  box-shadow:0 6px 14px rgba(15,76,74,.24);
}
.logo-text{font-size:17px;font-weight:700;letter-spacing:.2px;white-space:nowrap;color:var(--text)}
.logo:hover .logo-text{color:var(--primary)}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{position:relative;padding:9px 13px;font-size:15px;color:var(--muted);border-radius:9px;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;background:var(--primary);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::before{content:"";position:absolute;left:1px;top:50%;transform:translateY(-50%);width:6px;height:6px;border-radius:50%;background:var(--accent)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:10px}
.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;padding:9px 15px;
  border:1px solid var(--border);background:#fff;border-radius:var(--radius-pill);
  font-size:14px;color:var(--muted);cursor:pointer;
  transition:color .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.mega-trigger:hover,.mega-trigger[aria-expanded="true"]{color:var(--primary);border-color:rgba(15,76,74,.32);box-shadow:var(--shadow-1)}
.mega-trigger svg{transition:transform .25s ease}
.mega-trigger[aria-expanded="true"] svg{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:min(920px,92vw);
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-l);
  box-shadow:var(--shadow-2);padding:26px;
  display:grid;grid-template-columns:1.05fr 1fr .9fr;gap:26px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.mega-panel::before{content:"";position:absolute;top:-16px;left:0;right:0;height:16px}
.mega-wrap:hover .mega-panel,.mega-panel.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col-title{font-size:13px;font-weight:600;color:var(--muted);letter-spacing:.6px;margin-bottom:14px}
.mega-list a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;font-size:14px;color:var(--text);border-left:3px solid transparent;transition:background .2s ease,color .2s ease,border-color .2s ease}
.mega-list a:hover{background:#F1F6F5;border-left-color:var(--primary);color:var(--primary)}
.mega-list a span.mega-idx{font-size:12px;color:var(--disabled);font-weight:600;min-width:18px}
.mega-post{display:flex;gap:12px;padding:9px;border-radius:12px;transition:background .2s ease}
.mega-post:hover{background:#F1F6F5}
.mega-post img{width:66px;height:50px;border-radius:9px;object-fit:cover;flex:none;background:linear-gradient(135deg,#DCE7E5,#EAF0EE)}
.mega-post-info{min-width:0}
.mega-post-title{font-size:14px;font-weight:600;color:var(--text);overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;line-height:1.55}
.mega-post:hover .mega-post-title{color:var(--primary)}
.mega-post-date{font-size:12px;color:var(--disabled);margin-top:4px}
.mega-cta{
  background:linear-gradient(150deg,var(--primary),var(--primary-3));color:#fff;
  border-radius:var(--radius-m);padding:22px;display:flex;flex-direction:column;gap:10px;
}
.mega-cta h4{color:#fff;font-size:17px}
.mega-cta p{font-size:13px;color:rgba(255,255,255,.82);line-height:1.75}
.mega-cta .btn{margin-top:auto;padding:11px 18px;font-size:14px;background:#fff;color:var(--primary);box-shadow:none}
.mega-cta .btn:hover{background:#F1F6F5;transform:translateY(-2px)}
.hamburger{display:none;width:44px;height:44px;border-radius:13px;border:1px solid var(--border);background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .25s ease,opacity .25s ease}
.hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.is-open span:nth-child(2){opacity:0}
.hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-drawer{
  position:fixed;top:74px;left:0;right:0;bottom:0;background:#fff;z-index:110;
  transform:translateX(102%);transition:transform .3s ease;overflow-y:auto;padding:16px 20px 40px;
  border-top:1px solid var(--border);
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-link{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 6px;font-size:16px;color:var(--text);border-bottom:1px solid var(--border)}
.drawer-link.active{color:var(--primary);font-weight:600}
.drawer-group-title{font-size:13px;font-weight:600;color:var(--muted);letter-spacing:.5px;margin:22px 0 8px}
.drawer-sub{display:block;padding:11px 6px;font-size:14px;color:var(--muted);border-bottom:1px dashed var(--border)}
.drawer-cta{margin-top:26px}
.drawer-cta .btn{width:100%}
/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  padding:76px 0 150px;
  background:linear-gradient(135deg,var(--primary),var(--primary-2) 60%,var(--primary-3));
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.34;
}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(15,76,74,.9),rgba(23,107,98,.76) 58%,rgba(31,138,120,.68))}
.hero-inner{position:relative;z-index:3;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.hero-copy .eyebrow{background:rgba(255,255,255,.16);color:#fff}
.hero h1{font-size:46px;line-height:1.26;color:#fff;letter-spacing:-.6px;margin-top:22px}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.88);max-width:26em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:38px;padding-top:26px;border-top:1px solid rgba(255,255,255,.18)}
.hero-meta-item{display:flex;flex-direction:column;gap:2px}
.hero-meta-num{font-size:24px;font-weight:700;color:#fff;line-height:1.2}
.hero-meta-label{font-size:13px;color:rgba(255,255,255,.72)}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-l);
  box-shadow:0 26px 60px rgba(0,0,0,.34);
  background:linear-gradient(135deg,rgba(255,255,255,.2),rgba(255,255,255,.05));
}
.hero-float{
  position:absolute;left:-22px;bottom:-26px;
  background:#fff;color:var(--text);border-radius:var(--radius-m);
  box-shadow:var(--shadow-2);padding:15px 20px;display:flex;align-items:center;gap:12px;
}
.hero-float-ico{width:38px;height:38px;border-radius:11px;background:rgba(15,76,74,.1);display:grid;place-items:center;flex:none}
.hero-float strong{display:block;font-size:15px}
.hero-float span{font-size:13px;color:var(--muted)}
/* ---------- quick matrix ---------- */
.quick-matrix{position:relative;z-index:5;margin-top:-78px}
.matrix-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.matrix-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);
  box-shadow:var(--shadow-1);padding:24px 22px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:block;
}
.matrix-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-2);border-color:rgba(15,76,74,.2)}
.matrix-ico{width:44px;height:44px;border-radius:13px;background:rgba(15,76,74,.08);display:grid;place-items:center;margin-bottom:16px}
.matrix-card h3{font-size:17px;margin-bottom:8px}
.matrix-card p{font-size:14px;color:var(--muted);line-height:1.75}
.matrix-card .matrix-tag{display:inline-block;margin-top:14px;font-size:12px;font-weight:600;color:var(--primary);background:rgba(15,76,74,.08);padding:4px 11px;border-radius:var(--radius-pill)}
/* ---------- category cards ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cat-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-l);
  box-shadow:var(--shadow-1);transition:transform .25s ease,box-shadow .25s ease;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.cat-media{overflow:hidden;background:linear-gradient(135deg,#DCE7E5,#EAF0EE)}
.cat-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease}
.cat-card:hover .cat-media img{transform:scale(1.04)}
.cat-body{padding:24px}
.cat-body h3{font-size:20px;margin-bottom:10px}
.cat-card:hover .cat-body h3{color:var(--primary)}
.cat-body p{font-size:14.5px;color:var(--muted);line-height:1.8}
.cat-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chip{font-size:12.5px;color:var(--primary);background:rgba(15,76,74,.08);border-radius:var(--radius-pill);padding:4px 12px;font-weight:500}
.cat-card--feature{grid-column:span 3;display:grid;grid-template-columns:1.12fr 1fr;align-items:stretch}
.cat-card--feature .cat-media{height:100%}
.cat-card--feature .cat-media img{height:100%;aspect-ratio:auto;min-height:300px}
.cat-card--feature .cat-body{padding:38px 40px;display:flex;flex-direction:column;justify-content:center}
.cat-card--feature .cat-body h3{font-size:26px}
.cat-card--feature .cat-body p{font-size:15.5px;max-width:34em}
.cat-arrow{margin-top:22px;display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:600;font-size:15px}
.cat-card:hover .cat-arrow svg{transform:translateX(4px)}
.cat-arrow svg{transition:transform .25s ease}
/* ---------- cms latest ---------- */
.filter-tags{display:flex;flex-wrap:wrap;gap:10px}
.filter-tag{font-size:13.5px;color:var(--muted);background:#fff;border:1px solid var(--border);border-radius:var(--radius-pill);padding:7px 16px;transition:all .25s ease}
.filter-tag.is-active,.filter-tag:hover{color:var(--primary);border-color:rgba(15,76,74,.34);background:rgba(15,76,74,.06)}
.cms-list{display:flex;flex-direction:column;gap:16px}
.cms-item{
  display:flex;align-items:center;gap:22px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);
  box-shadow:var(--shadow-1);padding:20px 26px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.cms-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(15,76,74,.18)}
.cms-main{flex:1;min-width:0}
.cms-top{display:flex;align-items:center;gap:12px;margin-bottom:8px;flex-wrap:wrap}
.cms-cat{font-size:12.5px;font-weight:600;color:var(--primary);background:rgba(15,76,74,.08);border-radius:var(--radius-pill);padding:3px 12px;flex:none}
.cms-title{font-size:17px;font-weight:600;color:var(--text);overflow:hidden;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;transition:color .25s ease}
.cms-item:hover .cms-title{color:var(--primary)}
.cms-summary{font-size:14px;color:var(--muted);line-height:1.75;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.cms-side{display:flex;flex-direction:column;align-items:flex-end;gap:10px;flex:none}
.cms-date{font-size:13px;color:var(--disabled);white-space:nowrap}
.cms-go{width:34px;height:34px;border-radius:50%;background:rgba(15,76,74,.08);display:grid;place-items:center;transition:background .25s ease,transform .25s ease}
.cms-item:hover .cms-go{background:var(--primary);transform:translateX(3px)}
.cms-item:hover .cms-go svg path{stroke:#fff}
.cms-empty{
  background:#fff;border:1px dashed rgba(15,76,74,.28);border-radius:var(--radius-l);
  padding:56px 32px;text-align:center;box-shadow:var(--shadow-1);
}
.cms-empty-ico{width:56px;height:56px;border-radius:18px;background:rgba(15,76,74,.08);display:grid;place-items:center;margin:0 auto 18px}
.cms-empty h3{font-size:19px;margin-bottom:8px}
.cms-empty p{color:var(--muted);font-size:14.5px;margin-bottom:22px}
/* ---------- flow ---------- */
.flow-section{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:flow}
.flow-step{position:relative;padding:28px 24px;border-radius:var(--radius-m);background:var(--bg);border:1px solid var(--border);transition:transform .25s ease,box-shadow .25s ease}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);background:#fff}
.flow-num{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  font-weight:700;font-size:16px;color:#fff;margin-bottom:18px;
  background:linear-gradient(135deg,var(--primary),var(--primary-3));
}
.flow-step h3{font-size:17px;margin-bottom:10px}
.flow-step p{font-size:14px;color:var(--muted);line-height:1.78}
.flow-line{position:absolute;top:48px;right:-16px;width:32px;height:2px;background:rgba(15,76,74,.16)}
.flow-step:last-child .flow-line{display:none}
/* ---------- trust ---------- */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.trust-badge{
  position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);
  box-shadow:var(--shadow-1);padding:26px 22px 24px 26px;overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.trust-badge::before{content:"";position:absolute;left:0;top:26px;bottom:26px;width:3px;border-radius:0 3px 3px 0;background:linear-gradient(180deg,var(--accent),var(--accent-2))}
.trust-badge:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.trust-num{font-size:38px;font-weight:700;line-height:1.1;background:linear-gradient(120deg,var(--primary),var(--primary-3));-webkit-background-clip:text;background-clip:text;color:transparent;display:block}
.trust-label{margin-top:10px;font-size:13.5px;color:var(--muted);line-height:1.7}
/* ---------- faq ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);box-shadow:var(--shadow-1);margin-bottom:14px;overflow:hidden;transition:box-shadow .25s ease}
.faq-item:hover{box-shadow:var(--shadow-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:60px;padding:16px 24px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-q:hover{color:var(--primary)}
.faq-icon{width:26px;height:26px;border-radius:50%;background:rgba(15,76,74,.08);position:relative;flex:none;transition:transform .28s ease,background .28s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--primary);border-radius:2px;transform:translate(-50%,-50%)}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px;transition:transform .28s ease,opacity .28s ease}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--primary)}
.faq-item.is-open .faq-icon::before{background:#fff}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a-inner{padding:4px 24px 22px 27px;border-left:3px solid var(--primary);margin-left:24px;color:var(--muted);font-size:15px;line-height:1.9;background:#FAFBFA;border-radius:0 10px 10px 0;padding-top:16px}
/* ---------- cta ---------- */
.cta-section{position:relative;overflow:hidden;background:var(--dark);color:#fff;border-radius:var(--radius-l);padding:56px 48px}
.cta-section::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(15,76,74,.55),rgba(31,138,120,.18) 65%,transparent);pointer-events:none}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.cta-copy h2{color:#fff;font-size:30px;line-height:1.34}
.cta-copy p{margin-top:16px;color:rgba(255,255,255,.76);font-size:15.5px;max-width:34em}
.cta-list{margin-top:24px;display:flex;flex-direction:column;gap:10px}
.cta-list li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:rgba(255,255,255,.86)}
.cta-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);flex:none}
.cta-form{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-m);padding:28px}
.cta-form label{display:block;font-size:14px;font-weight:600;color:#fff;margin-bottom:10px}
.field-row{display:flex;gap:12px;flex-wrap:wrap}
.field-row input{
  flex:1;min-width:180px;padding:14px 16px;border-radius:var(--radius-s);
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.94);color:var(--text);
  font-size:15px;transition:border-color .25s ease,box-shadow .25s ease;
}
.field-row input::placeholder{color:var(--disabled)}
.field-row input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(123,211,137,.35)}
.form-note{margin-top:14px;font-size:13px;color:rgba(255,255,255,.6);line-height:1.7}
.form-status{margin-top:12px;font-size:13.5px;padding:10px 14px;border-radius:var(--radius-s);background:rgba(123,211,137,.16);color:var(--lime);display:none}
.form-status.is-show{display:block}
/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);margin-top:var(--gap-section);padding:66px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .logo-mark{background:linear-gradient(135deg,var(--primary-3),var(--lime));color:#0B1A19}
.footer-brand span{color:#fff;font-weight:700;font-size:16px}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:34em}
.footer-keywords{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}
.footer-keywords span{font-size:12.5px;color:rgba(255,255,255,.6);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-pill);padding:4px 12px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:600}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68)}
.footer-col a:hover{color:var(--lime)}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.68);margin-bottom:12px;line-height:1.7}
.footer-contact strong{color:#fff;font-weight:600;display:block;font-size:13.5px;margin-bottom:2px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom a{color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:var(--lime)}
/* ---------- skeleton ---------- */
.skeleton{background:linear-gradient(90deg,#EDF1EF 25%,#F6F8F7 37%,#EDF1EF 63%);background-size:400% 100%;animation:skeleton 1.4s ease infinite;border-radius:var(--radius-s)}
@keyframes skeleton{0%{background-position:100% 50%}100%{background-position:0 50%}}
/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 26px}
  .hero h1{font-size:40px}
  .nav-link{padding:9px 10px;font-size:14.5px}
  .logo-text{font-size:16px}
  .cms-item{gap:18px;padding:18px 22px}
}
@media (max-width:991px){
  :root{--gap-section:64px}
  .main-nav{display:none}
  .nav-actions .btn-primary{display:none}
  .hamburger{display:inline-flex}
  .nav-wrap{height:68px;gap:12px}
  .mobile-drawer{top:68px}
  .mega-wrap{display:none}
  .hero{padding:56px 0 120px}
  .hero-inner{grid-template-columns:1fr;gap:42px}
  .hero h1{font-size:36px}
  .hero-visual{order:-1;max-width:520px}
  .hero-float{left:auto;right:16px;bottom:-22px}
  .quick-matrix{margin-top:-64px}
  .matrix-grid{grid-template-columns:repeat(2,1fr);gap:18px}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .cat-card--feature{grid-column:span 2;grid-template-columns:1fr}
  .cat-card--feature .cat-media img{min-height:220px}
  .cat-card--feature .cat-body{padding:28px}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .flow-line{display:none}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .cta-section{padding:44px 32px}
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--gap-section:44px}
  .container{padding:0 18px}
  body{font-size:15.5px}
  .hero{padding:44px 0 104px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{flex:1;justify-content:center}
  .hero-meta{gap:20px;margin-top:30px}
  .hero-meta-num{font-size:20px}
  .hero-float{left:12px;right:12px;bottom:-20px;justify-content:flex-start}
  .quick-matrix{margin-top:-52px}
  .matrix-grid{grid-template-columns:1fr;gap:14px}
  .section-title{font-size:24px}
  .section-head{margin-bottom:28px}
  .cat-grid{grid-template-columns:1fr;gap:18px}
  .cat-card--feature{grid-column:span 1}
  .cat-card--feature .cat-body h3{font-size:21px}
  .cms-item{flex-direction:column;align-items:flex-start;gap:14px;padding:18px}
  .cms-side{flex-direction:row;align-items:center;justify-content:space-between;width:100%}
  .cms-title{font-size:16px}
  .flow-grid{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .trust-num{font-size:30px}
  .trust-badge{padding:20px 16px 18px 20px}
  .faq-q{padding:15px 18px;font-size:15px}
  .faq-a-inner{margin-left:18px;padding:14px 18px 18px 16px}
  .cta-section{padding:32px 22px}
  .cta-copy h2{font-size:23px}
  .cta-form{padding:22px 18px}
  .field-row input{min-width:0;width:100%}
  .field-row .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:34px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:400px){
  .hero h1{font-size:26px}
  .logo-text{font-size:14.5px}
  .trust-grid{grid-template-columns:1fr}
}

/* roulang page: article */
:root{
  --primary:#0F4C4A;
  --primary-2:#176B62;
  --primary-3:#1F8A78;
  --accent:#FF7A45;
  --accent-2:#FF9A62;
  --lime:#7BD389;
  --bg:#F6F7F4;
  --card:#FFFFFF;
  --dark:#10201F;
  --text:#17201F;
  --text-2:#5A6A68;
  --muted:#A8B3B1;
  --border:#D9DEDC;
  --line:rgba(16,32,31,.08);
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --radius-pill:999px;
  --shadow-1:0 6px 18px rgba(16,32,31,.06);
  --shadow-2:0 14px 34px rgba(16,32,31,.12);
  --trans:.25s ease;
  --grad-hero:linear-gradient(135deg,#0F4C4A,#176B62 60%,#1F8A78);
  --grad-cta:linear-gradient(120deg,#FF7A45,#FF9A62);
}
*,*::before,*::after{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","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--trans);}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;color:var(--text);}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  min-height:72px;
}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;letter-spacing:.2px;color:var(--text);flex-shrink:0;}
.brand:hover{color:var(--primary);}
.logo-mark{
  width:36px;height:36px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad-hero);color:#fff;font-size:17px;font-weight:700;
  box-shadow:0 4px 12px rgba(15,76,74,.28);
}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;display:inline-block;
  padding:9px 14px;font-size:15px;color:var(--text-2);border-radius:var(--radius-pill);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform var(--trans);
}
.nav-link:hover{color:var(--primary);background:rgba(15,76,74,.05);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--primary);font-weight:600;background:rgba(15,76,74,.07);}
.nav-link.active::after{transform:scaleX(1);}
.nav-cta{
  margin-left:10px;
  display:inline-flex;align-items:center;gap:6px;
  padding:11px 22px;border-radius:var(--radius-pill);
  background:var(--grad-cta);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 6px 16px rgba(255,122,69,.28);
  transition:transform var(--trans),box-shadow var(--trans),filter var(--trans);
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(255,122,69,.34);filter:brightness(1.04);color:#fff;}
.nav-cta:active{transform:translateY(1px);}
.nav-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;border:1px solid var(--border);border-radius:12px;
  background:#fff;cursor:pointer;padding:0;
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff;}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:block;padding:0 22px;height:48px;line-height:48px;
  font-size:15px;color:var(--text-2);border-bottom:1px solid var(--line);
}
.mobile-drawer a:hover{color:var(--primary);background:rgba(15,76,74,.04);}
.mobile-drawer a.active{color:var(--primary);font-weight:600;}
.mobile-drawer .drawer-cta{
  margin:14px 22px 20px;height:auto;line-height:1;text-align:center;
  border-bottom:none;
}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--text-2);
  padding:26px 0 18px;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--primary);}
.crumb-sep{color:var(--muted);}
.crumb-current{color:var(--primary);font-weight:600;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章布局 ---------- */
.page-main{padding-bottom:88px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 322px;
  gap:34px;
  align-items:start;
}
.article-card{
  max-width:800px;margin:0 auto;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  box-shadow:var(--shadow-1);
  padding:48px;
}
.article-cat{
  display:inline-block;
  padding:5px 14px;border-radius:var(--radius-pill);
  background:rgba(15,76,74,.09);color:var(--primary);
  font-size:13px;font-weight:600;letter-spacing:.3px;
}
.article-title{
  font-size:38px;line-height:1.32;margin:18px 0 16px;
  letter-spacing:-.2px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:14px;color:var(--text-2);
  padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:28px;
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--muted);}
.article-body{
  font-size:16px;line-height:1.9;color:var(--text);
  overflow-wrap:break-word;word-break:break-word;
}
.article-body > p:first-of-type{font-size:18px;line-height:1.9;color:#243430;}
.article-body p{margin:0 0 1.1em;}
.article-body h2{
  position:relative;font-size:24px;line-height:1.4;
  margin:1.9em 0 .8em;padding-left:15px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;
  border-radius:2px;background:var(--primary);
}
.article-body h3{font-size:19px;font-weight:600;margin:1.6em 0 .6em;}
.article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .5em;}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.1em;list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:.45em 0;line-height:1.9;}
.article-body ul li::marker{color:var(--primary);}
.article-body blockquote{
  margin:1.5em 0;padding:16px 22px;
  background:#EAF3F1;border-left:3px solid var(--primary);
  border-radius:0 var(--radius-s) var(--radius-s) 0;color:#2b3b38;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-m);margin:1.5em auto;box-shadow:var(--shadow-1);}
.article-body figure{margin:1.5em 0;}
.article-body figcaption{font-size:13px;color:var(--text-2);text-align:center;margin-top:8px;}
.article-body pre{
  overflow-x:auto;background:#10201F;color:#d8f0ea;
  padding:18px 20px;border-radius:var(--radius-m);
  font-size:14px;line-height:1.7;margin:1.5em 0;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  background:#EAF3F1;color:#14514d;padding:2px 6px;border-radius:6px;font-size:.92em;
}
.article-body pre code{background:none;color:inherit;padding:0;}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{border:1px solid var(--border);padding:11px 14px;text-align:left;}
.article-body th{background:#F1F6F4;font-weight:600;}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--accent);}
.article-body hr{border:none;border-top:1px dashed var(--border);margin:2em 0;}

/* ---------- 侧栏 ---------- */
.article-sidebar{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px;}
.side-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-m);box-shadow:var(--shadow-1);
  padding:22px;
}
.side-title{
  font-size:15px;font-weight:700;color:var(--text);
  display:flex;align-items:center;gap:8px;margin-bottom:16px;
}
.side-title::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--accent);}
.side-source{display:flex;gap:12px;align-items:flex-start;}
.source-avatar{
  width:44px;height:44px;border-radius:14px;flex-shrink:0;
  background:var(--grad-hero);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;
}
.source-name{font-size:15px;font-weight:600;color:var(--text);}
.source-desc{font-size:13px;color:var(--text-2);line-height:1.7;margin:4px 0 0;}
.side-list li + li{border-top:1px solid var(--line);}
.side-list a{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 0;font-size:14px;color:var(--text-2);line-height:1.6;
}
.side-list a:hover{color:var(--primary);}
.side-num{
  font-size:13px;font-weight:700;color:var(--primary);
  background:rgba(15,76,74,.09);border-radius:8px;
  min-width:24px;height:24px;display:inline-flex;align-items:center;justify-content:center;
  flex-shrink:0;margin-top:1px;
}
.side-list a:hover .side-num{background:var(--primary);color:#fff;}
.side-time{display:block;font-size:12px;color:var(--muted);margin-top:4px;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.tag-cloud a{
  display:inline-block;padding:6px 13px;border-radius:var(--radius-pill);
  background:rgba(15,76,74,.07);color:var(--primary);font-size:13px;
  transition:background var(--trans),color var(--trans),transform var(--trans);
}
.tag-cloud a:hover{background:var(--primary);color:#fff;transform:translateY(-2px);}

/* ---------- 相关推荐 ---------- */
.related-section{margin-top:56px;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;
  margin-bottom:22px;
}
.section-head h2{font-size:26px;}
.section-head .link-more{
  font-size:14px;color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:6px;
}
.section-head .link-more::after{content:"→";transition:transform var(--trans);}
.section-head .link-more:hover::after{transform:translateX(4px);}
.related-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;
}
.related-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-m);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform var(--trans),box-shadow var(--trans);
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.related-thumb{
  aspect-ratio:16/9;background:var(--grad-hero);position:relative;overflow:hidden;
}
.related-thumb img{width:100%;height:100%;object-fit:cover;}
.related-body{padding:18px 20px 22px;}
.related-body h3{font-size:16px;line-height:1.6;margin-bottom:10px;}
.related-card:hover h3{color:var(--primary);}
.related-body p{font-size:13px;color:var(--text-2);line-height:1.75;margin:0;}
.empty-note{
  background:var(--card);border:1px dashed var(--border);border-radius:var(--radius-m);
  padding:34px 24px;text-align:center;color:var(--text-2);font-size:15px;
}
.empty-note .empty-icon{
  width:52px;height:52px;margin:0 auto 14px;border-radius:16px;
  background:rgba(15,76,74,.08);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;
}
.empty-note a{color:var(--primary);font-weight:600;}
.empty-note a:hover{color:var(--accent);}

/* ---------- 未找到内容 ---------- */
.notfound-card{
  max-width:720px;margin:12px auto 0;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-l);
  box-shadow:var(--shadow-1);padding:56px 40px;text-align:center;
}
.notfound-card h1{font-size:30px;margin-bottom:14px;}
.notfound-card p{color:var(--text-2);max-width:520px;margin:0 auto 24px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;cursor:pointer;border:1.5px solid transparent;
  transition:transform var(--trans),box-shadow var(--trans),background var(--trans),color var(--trans),border-color var(--trans);
}
.btn-primary{background:var(--grad-cta);color:#fff;box-shadow:0 8px 20px rgba(255,122,69,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,122,69,.36);filter:brightness(1.04);color:#fff;}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:rgba(15,76,74,.06);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.btn-outline:active{transform:translateY(1px);}
.btn-ghost{
  background:transparent;color:#fff;border-color:rgba(255,255,255,.65);
}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff;transform:translateY(-2px);}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none!important;box-shadow:none;}

/* ---------- 底部 CTA ---------- */
.cta-section{
  margin-top:88px;
  background:linear-gradient(120deg,#10201F 0%,#122E2C 55%,rgba(15,76,74,.85) 100%);
  border-radius:var(--radius-l);
  padding:56px 48px;
  color:#fff;
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
}
.cta-section h2{color:#fff;font-size:30px;line-height:1.35;margin-bottom:12px;}
.cta-section p{color:rgba(255,255,255,.76);font-size:15px;margin:0;max-width:44ch;}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;}
.cta-form input{
  flex:1 1 220px;min-width:0;
  padding:14px 18px;border-radius:var(--radius-s);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);
  color:#fff;font-size:15px;
  transition:border-color var(--trans),box-shadow var(--trans),background var(--trans);
}
.cta-form input::placeholder{color:rgba(255,255,255,.55);}
.cta-form input:focus{
  outline:none;border-color:var(--primary-3);
  background:rgba(255,255,255,.12);
  box-shadow:0 0 0 3px rgba(123,211,137,.28);
}
.cta-form .btn-primary{flex:0 0 auto;}
.cta-note{
  width:100%;font-size:13px;color:rgba(255,255,255,.56);margin-top:4px;
  display:flex;align-items:center;gap:8px;
}
.cta-note .dot-ok{width:8px;height:8px;border-radius:50%;background:var(--lime);display:inline-block;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;background:var(--dark);color:rgba(255,255,255,.72);
  padding:64px 0 28px;font-size:14px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:40px;
  padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;}
.footer-desc{margin:16px 0 18px;line-height:1.85;color:rgba(255,255,255,.66);max-width:36ch;}
.footer-keywords{display:flex;flex-wrap:wrap;gap:8px;}
.footer-keywords span{
  font-size:12px;padding:5px 12px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.72);
}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{color:rgba(255,255,255,.68);}
.footer-col ul a:hover{color:var(--accent);}
.footer-contact li{color:rgba(255,255,255,.68);line-height:1.7;}
.footer-contact strong{color:#fff;font-weight:600;margin-right:8px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding-top:22px;font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 288px;gap:26px;}
  .article-card{padding:40px;}
  .article-title{font-size:34px;}
}
@media (max-width:991px){
  .container{padding:0 22px;}
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-cta{display:none;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-sidebar{position:static;order:2;}
  .article-card{padding:32px 26px;border-radius:var(--radius-m);max-width:100%;}
  .article-title{font-size:30px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .cta-section{grid-template-columns:1fr;padding:40px 28px;border-radius:var(--radius-m);}
  .cta-section h2{font-size:25px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;}
  .page-main{padding-bottom:64px;}
  .cta-section{margin-top:64px;}
  .site-footer{margin-top:64px;padding-top:48px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  body{font-size:15px;}
  .header-inner{min-height:64px;gap:12px;}
  .brand{font-size:16px;}
  .logo-mark{width:32px;height:32px;border-radius:10px;font-size:15px;}
  .breadcrumb{font-size:13px;padding:18px 0 14px;}
  .crumb-current{max-width:200px;}
  .article-card{padding:24px 18px;}
  .article-title{font-size:24px;line-height:1.4;}
  .article-body{font-size:15.5px;line-height:1.9;}
  .article-body > p:first-of-type{font-size:16.5px;}
  .article-body h2{font-size:20px;}
  .article-body h3{font-size:17px;}
  .related-grid{grid-template-columns:minmax(0,1fr);gap:16px;}
  .section-head h2{font-size:21px;}
  .cta-section{padding:30px 20px;margin-top:44px;}
  .cta-form input{flex:1 1 100%;}
  .cta-form .btn-primary{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:28px;}
  .site-footer{margin-top:44px;padding:38px 0 22px;}
  .footer-bottom{flex-direction:column;font-size:12px;}
  .page-main{padding-bottom:44px;}
}

/* roulang page: category1 */
:root{
  --primary:#0F4C4A;
  --primary-2:#176B62;
  --primary-3:#1F8A78;
  --primary-soft:rgba(15,76,74,.08);
  --primary-soft-2:rgba(15,76,74,.14);
  --accent:#FF7A45;
  --accent-2:#FF9A62;
  --lime:#7BD389;
  --danger:#D64545;
  --bg:#F6F7F4;
  --card:#FFFFFF;
  --dark:#10201F;
  --text:#17201F;
  --muted:#5A6A68;
  --disabled:#A8B3B1;
  --line:#D9DEDC;
  --border:rgba(16,32,31,.07);
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --radius-pill:999px;
  --shadow-1:0 6px 18px rgba(16,32,31,.06);
  --shadow-2:0 14px 34px rgba(16,32,31,.12);
  --grad-hero:linear-gradient(135deg,#0F4C4A,#176B62 60%,#1F8A78);
  --grad-btn:linear-gradient(120deg,#FF7A45,#FF9A62);
  --sec:88px;
  --t:.25s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;color:var(--text);background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color var(--t),opacity var(--t);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;font-size:15px;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:.2px;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary-2);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform var(--t),box-shadow var(--t),background-color var(--t),color var(--t),border-color var(--t);
}
.btn-primary{background:var(--grad-btn);color:#fff;box-shadow:0 8px 20px rgba(255,122,69,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,122,69,.36);filter:brightness(1.04);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(255,122,69,.26);}
.btn-ghost{background:#fff;color:var(--primary);border:1.5px solid var(--primary);}
.btn-ghost:hover{background:var(--primary-soft);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.btn-ghost:active{transform:translateY(1px);}
.btn-outline-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7);}
.btn-outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);}
.btn-sm{padding:11px 20px;font-size:14px;}
.btn:disabled{opacity:.5;cursor:not-allowed;box-shadow:none;transform:none;}
.link-more{color:var(--primary);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{color:var(--accent);}
.link-more span{transition:transform var(--t);}
.link-more:hover span{transform:translateX(4px);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:background var(--t),box-shadow var(--t),border-color var(--t);
}
.site-header.is-scrolled{background:rgba(255,255,255,.97);box-shadow:0 1px 0 rgba(16,32,31,.07),0 8px 24px rgba(16,32,31,.05);}
.header-inner{display:flex;align-items:center;gap:28px;height:76px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--primary);letter-spacing:.3px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad-hero);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;flex-shrink:0;
}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:6px;}
.nav-link{
  position:relative;padding:10px 12px;font-size:15px;color:var(--muted);border-radius:8px;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--primary);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto;}

.mega-wrap{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;color:var(--muted);
  padding:10px 12px;border-radius:8px;transition:color var(--t),background-color var(--t);
}
.mega-trigger:hover{color:var(--primary);background:var(--primary-soft);}
.mega-trigger svg{transition:transform var(--t);}
.mega-wrap:hover .mega-trigger svg,
.mega-wrap:focus-within .mega-trigger svg{transform:rotate(180deg);}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:min(920px,92vw);
  background:#fff;border-radius:var(--radius-l);box-shadow:var(--shadow-2);
  border:1px solid var(--border);padding:26px;
  display:grid;grid-template-columns:1.1fr 1.1fr .9fr;gap:26px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.mega-wrap:hover .mega-panel,
.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:13px;letter-spacing:1px;color:var(--disabled);font-weight:600;margin-bottom:12px;}
.mega-list li+li{margin-top:4px;}
.mega-list a{
  display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:10px;font-size:14.5px;color:var(--text);
  border-left:3px solid transparent;transition:background-color var(--t),color var(--t),border-color var(--t);
}
.mega-list a:hover{background:var(--primary-soft);color:var(--primary);border-left-color:var(--primary);}
.mega-post{display:flex;gap:12px;padding:10px;border-radius:14px;transition:background-color var(--t);}
.mega-post:hover{background:var(--bg);}
.mega-post img{width:76px;height:56px;object-fit:cover;border-radius:10px;flex-shrink:0;}
.mega-post strong{display:block;font-size:14.5px;font-weight:600;line-height:1.55;}
.mega-post span{font-size:12.5px;color:var(--disabled);}
.mega-cta{
  background:var(--grad-hero);border-radius:var(--radius-m);padding:22px;color:#fff;
  display:flex;flex-direction:column;gap:10px;justify-content:center;
}
.mega-cta h4{font-size:17px;}
.mega-cta p{font-size:13.5px;line-height:1.7;opacity:.85;margin:0;}
.mega-cta a{
  display:inline-flex;align-items:center;gap:6px;background:#fff;color:var(--primary);
  padding:10px 18px;border-radius:var(--radius-pill);font-size:13.5px;font-weight:600;align-self:flex-start;
  transition:transform var(--t),box-shadow var(--t);
}
.mega-cta a:hover{transform:translateY(-2px);box-shadow:0 10px 20px rgba(0,0,0,.18);}

.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;background:var(--primary-soft);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--primary);transition:transform var(--t),opacity var(--t);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.mobile-drawer{
  display:none;background:#fff;border-top:1px solid var(--border);
  max-height:0;overflow:hidden;transition:max-height .3s ease;
}
.mobile-drawer.is-open{max-height:640px;}
.mobile-drawer .container{padding-top:12px;padding-bottom:22px;}
.mobile-drawer a.m-link{
  display:flex;align-items:center;justify-content:space-between;height:48px;font-size:15.5px;
  border-bottom:1px solid var(--border);color:var(--text);
}
.mobile-drawer a.m-link.active{color:var(--primary);font-weight:600;}
.mobile-drawer .m-cta{margin-top:18px;}
.mobile-drawer .m-cta .btn{width:100%;}

/* ---------- 面包屑 ---------- */
.breadcrumb{background:#fff;border-bottom:1px solid var(--border);}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted);padding:14px 0;list-style:none;margin:0;}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li::after{content:"›";color:var(--disabled);}
.breadcrumb li:last-child::after{display:none;}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .current{color:var(--primary);font-weight:600;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background-image:linear-gradient(120deg,rgba(15,76,74,.93),rgba(23,107,98,.86) 55%,rgba(31,138,120,.78)),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  color:#fff;padding:74px 0 96px;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:24px;background:var(--bg);
  border-radius:24px 24px 0 0;
}
.hero-inner{position:relative;z-index:2;max-width:760px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.24);padding:7px 16px;border-radius:var(--radius-pill);
  font-size:13px;letter-spacing:.5px;margin-bottom:22px;
}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--lime);display:block;}
.hero h1{font-size:48px;line-height:1.25;margin-bottom:18px;}
.hero p.lead{font-size:17px;line-height:1.9;color:rgba(255,255,255,.9);max-width:600px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:28px;margin-top:40px;padding-top:26px;
  border-top:1px solid rgba(255,255,255,.18);
}
.hero-stats div strong{display:block;font-size:24px;font-weight:700;}
.hero-stats div span{font-size:13.5px;color:rgba(255,255,255,.78);}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;}
.section-head .titles{position:relative;padding-left:18px;}
.section-head .titles::before{
  content:"";position:absolute;left:0;top:8px;width:6px;height:calc(100% - 16px);
  border-radius:3px;background:var(--accent);opacity:.85;
}
.section-head h2{font-size:32px;margin-bottom:8px;}
.section-head p{color:var(--muted);font-size:15.5px;margin:0;max-width:640px;}
.section.alt{background:#fff;}

/* ---------- 图文左右交替 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split+.split{margin-top:80px;}
.split.reverse .split-media{order:2;}
.split-media{position:relative;}
.split-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-l);box-shadow:var(--shadow-2);
}
.split-media .float-badge{
  position:absolute;right:-14px;bottom:-14px;background:#fff;border-radius:var(--radius-m);
  padding:16px 20px;box-shadow:var(--shadow-2);border-left:3px solid var(--accent);min-width:158px;
}
.split-media .float-badge strong{display:block;font-size:26px;line-height:1.2;background:var(--grad-btn);-webkit-background-clip:text;background-clip:text;color:transparent;}
.split-media .float-badge span{font-size:13px;color:var(--muted);}
.split-body h2{font-size:30px;margin-bottom:16px;}
.split-body p{color:var(--muted);max-width:520px;}
.dot-list{margin-top:22px;}
.dot-list li{position:relative;padding-left:22px;margin-bottom:12px;color:var(--text);font-size:15.5px;line-height:1.8;}
.dot-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;
  background:var(--primary-3);box-shadow:0 0 0 4px var(--primary-soft);
}
.check-list{margin-top:22px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px;font-size:15.5px;}
.check-list li i{
  flex-shrink:0;width:22px;height:22px;margin-top:3px;border-radius:50%;background:var(--primary-soft);
  color:var(--primary);display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;font-style:normal;
}

/* ---------- 入口卡片网格 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.entry-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-m);
  padding:26px;box-shadow:var(--shadow-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  display:flex;flex-direction:column;gap:12px;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--primary-soft-2);}
.entry-card .icon{
  width:44px;height:44px;border-radius:13px;background:var(--primary-soft);
  display:flex;align-items:center;justify-content:center;font-size:19px;color:var(--primary);font-weight:700;
}
.entry-card h3{font-size:19px;}
.entry-card p{font-size:14.5px;color:var(--muted);margin:0;}
.pill{
  display:inline-flex;align-items:center;gap:6px;background:var(--primary-soft);color:var(--primary);
  font-size:13px;padding:5px 13px;border-radius:var(--radius-pill);font-weight:600;
}
.pill.accent{background:rgba(255,122,69,.12);color:#D9561F;}
.pill.lime{background:rgba(123,211,137,.18);color:#2F7C45;}

/* ---------- 核对清单 ---------- */
.checklist-panel{
  background:#fff;border-radius:var(--radius-l);border:1px solid var(--border);
  box-shadow:var(--shadow-1);padding:38px;display:grid;grid-template-columns:1fr 1fr;gap:34px;
}
.checklist-panel .panel-head{grid-column:1/-1;}
.checklist-panel .panel-head h2{font-size:28px;margin-bottom:10px;}
.checklist-panel .panel-head p{color:var(--muted);margin:0;font-size:15.5px;}
.check-item{display:flex;gap:14px;align-items:flex-start;}
.check-item .num{
  flex-shrink:0;width:34px;height:34px;border-radius:11px;background:var(--grad-hero);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;
}
.check-item h3{font-size:17px;margin-bottom:6px;}
.check-item p{font-size:14.5px;color:var(--muted);margin:0;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);
  box-shadow:var(--shadow-1);overflow:hidden;transition:box-shadow var(--t),border-color var(--t);
}
.faq-item:hover{box-shadow:var(--shadow-2);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:0 24px;min-height:60px;display:flex;align-items:center;
  justify-content:space-between;gap:16px;font-size:16px;font-weight:600;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex-shrink:0;width:26px;height:26px;border-radius:50%;background:var(--primary-soft);
  color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:600;
  transition:transform var(--t),background-color var(--t);
}
.faq-item[open] summary::after{content:"–";transform:rotate(180deg);background:var(--primary);color:#fff;}
.faq-item[open] summary{color:var(--primary);}
.faq-body{
  padding:4px 24px 22px 26px;color:var(--muted);font-size:15px;line-height:1.85;
  border-left:3px solid var(--primary);background:#FAFBFA;margin:0 0 0 0;
}
.faq-body p{margin:0;}

/* ---------- 相关分类 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.rel-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform var(--t),box-shadow var(--t);display:block;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.rel-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--grad-hero);}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.rel-card:hover .thumb img{transform:scale(1.03);}
.rel-card .body{padding:20px 22px 24px;}
.rel-card h3{font-size:18px;margin-bottom:8px;transition:color var(--t);}
.rel-card:hover h3{color:var(--primary);}
.rel-card p{font-size:14px;color:var(--muted);margin:0;}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,#10201F,#10201F 45%,rgba(15,76,74,.92));
  color:#fff;padding:72px 0;
}
.cta-inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.cta-inner h2{font-size:30px;margin-bottom:14px;}
.cta-inner p{color:rgba(255,255,255,.76);margin:0;max-width:460px;}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;}
.cta-form input{
  flex:1 1 240px;min-width:0;padding:15px 18px;border-radius:var(--radius-s);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.07);color:#fff;
  transition:border-color var(--t),box-shadow var(--t),background-color var(--t);
}
.cta-form input::placeholder{color:rgba(255,255,255,.5);}
.cta-form input:focus{outline:none;border-color:var(--primary-3);box-shadow:0 0 0 3px rgba(31,138,120,.35);background:rgba(255,255,255,.1);}
.cta-note{font-size:13px;color:rgba(255,255,255,.55);margin-top:14px;width:100%;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.78);padding:70px 0 0;font-size:14.5px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:16px;}
.footer-brand .logo-mark{
  width:32px;height:32px;border-radius:10px;background:var(--grad-hero);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;
}
.footer-desc{color:rgba(255,255,255,.62);line-height:1.9;font-size:14px;margin-bottom:18px;}
.footer-keywords{display:flex;flex-wrap:wrap;gap:8px;}
.footer-keywords span{
  font-size:12.5px;padding:4px 12px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.72);
}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:18px;}
.footer-col ul li{margin-bottom:12px;}
.footer-col a{color:rgba(255,255,255,.68);font-size:14px;}
.footer-col a:hover{color:var(--accent-2);}
.footer-contact li{color:rgba(255,255,255,.62);font-size:14px;line-height:1.8;margin-bottom:10px;}
.footer-contact strong{color:#fff;font-weight:600;margin-right:8px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 26px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 26px;}
  .hero h1{font-size:42px;}
  .main-nav{gap:0;}
  .nav-link{padding:10px 9px;font-size:14.5px;}
}
@media (max-width:991px){
  :root{--sec:64px;}
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-sm{display:none;}
  .mobile-drawer{display:block;}
  .mega-wrap{display:none;}
  .header-inner{height:66px;}
  .hero{padding:56px 0 82px;}
  .hero h1{font-size:36px;}
  .hero p.lead{font-size:16px;}
  .split{grid-template-columns:1fr;gap:32px;}
  .split.reverse .split-media{order:0;}
  .split+.split{margin-top:56px;}
  .split-media .float-badge{right:14px;bottom:14px;}
  .entry-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .checklist-panel{grid-template-columns:1fr;padding:28px;gap:26px;}
  .rel-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .section-head h2{font-size:26px;}
}
@media (max-width:767px){
  :root{--sec:44px;}
  .container{padding:0 18px;}
  body{font-size:15.5px;}
  .hero{padding:44px 0 68px;}
  .hero h1{font-size:30px;}
  .hero-stats{gap:18px;}
  .hero-stats div strong{font-size:20px;}
  .section-head h2{font-size:24px;}
  .split-body h2{font-size:23px;}
  .entry-grid{grid-template-columns:1fr;gap:16px;}
  .rel-grid{grid-template-columns:1fr;gap:16px;}
  .checklist-panel{padding:22px;}
  .faq-item summary{padding:0 18px 0 18px;font-size:15.5px;}
  .faq-body{padding:0 18px 20px 20px;}
  .cta-band{padding:52px 0;}
  .cta-inner h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%;}
  .cta-form input{flex:1 1 100%;}
  .cta-form .btn{width:100%;}
}

.mega-wrap.is-open-panel .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-wrap.is-open-panel .mega-trigger svg{transform:rotate(180deg);}

/* roulang page: category2 */
:root{
  --primary:#0F4C4A;
  --primary-2:#176B62;
  --primary-3:#1F8A78;
  --primary-soft:#E7F1EE;
  --primary-soft-2:#F1F7F5;
  --accent:#FF7A45;
  --accent-2:#FF9A62;
  --lime:#7BD389;
  --bg:#F6F7F4;
  --card:#FFFFFF;
  --dark:#10201F;
  --text:#17201F;
  --text-2:#5A6A68;
  --muted:#A8B3B1;
  --border:rgba(16,32,31,.08);
  --border-strong:#D9DEDC;
  --danger:#D64545;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --radius-pill:999px;
  --shadow-1:0 6px 18px rgba(16,32,31,.06);
  --shadow-2:0 14px 34px rgba(16,32,31,.12);
  --section-y:88px;
  --ease:.25s ease;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input{font:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:700;letter-spacing:.2px;}
h1{font-size:48px;}
h2{font-size:32px;}
h3{font-size:21px;font-weight:600;}
h4{font-size:16px;font-weight:600;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px;}
.container{max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:var(--section-y) 0;}
.section-tight{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:1.4px;color:var(--primary);font-weight:600;margin-bottom:10px;text-transform:uppercase;}
.section-head .eyebrow::before{content:"";width:14px;height:3px;border-radius:2px;background:var(--accent);}
.section-head p{color:var(--text-2);font-size:15px;max-width:46ch;margin:10px 0 0;}
.center-head{max-width:760px;margin:0 auto 44px;text-align:center;}
.center-head .eyebrow{justify-content:center;}
.center-head p{margin-left:auto;margin-right:auto;}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-pill);padding:14px 28px;font-size:15px;font-weight:600;line-height:1;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease);white-space:nowrap;}
.btn-primary{background:linear-gradient(120deg,var(--accent),var(--accent-2));color:#fff;box-shadow:0 8px 20px rgba(255,122,69,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,122,69,.38);filter:brightness(1.04);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(255,122,69,.3);}
.btn-ghost{background:#fff;color:var(--primary);border:1.5px solid var(--primary);}
.btn-ghost:hover{background:var(--primary-soft);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-light{background:rgba(255,255,255,.1);color:#fff;border:1.5px solid rgba(255,255,255,.65);}
.btn-light:hover{background:rgba(255,255,255,.2);transform:translateY(-2px);}
.btn-sm{padding:11px 20px;font-size:14px;}
.btn-lg{padding:16px 34px;font-size:16px;}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:14.5px;}
.link-more svg{transition:transform var(--ease);}
.link-more:hover svg{transform:translateX(4px);}
.link-more:hover{color:var(--primary-3);}

/* ============ 标签 / 徽章 ============ */
.pill{display:inline-flex;align-items:center;background:var(--primary-soft);color:var(--primary);border-radius:var(--radius-pill);padding:4px 13px;font-size:13px;font-weight:600;line-height:1.7;}
.pill-accent{background:#FFEDE5;color:#C24E1E;}
.pill-lime{background:#E9F7ED;color:#2F7A46;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.86);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);}
.site-header.scrolled{background:rgba(255,255,255,.97);border-bottom-color:var(--border);box-shadow:0 6px 20px rgba(16,32,31,.06);}
.header-inner{display:flex;align-items:center;gap:28px;height:74px;}
.brand{display:flex;align-items:center;gap:11px;flex:none;}
.logo-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--primary),var(--primary-3));color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;letter-spacing:0;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:16.5px;font-weight:700;color:var(--text);letter-spacing:.3px;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--muted);letter-spacing:1.6px;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{position:relative;padding:10px 14px;font-size:15px;color:var(--text-2);border-radius:var(--radius-s);}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--primary);font-weight:600;}
.nav-link.active::before{content:"";position:absolute;top:6px;left:50%;transform:translateX(-50%);width:5px;height:5px;border-radius:50%;background:var(--accent);}
.header-actions{display:flex;align-items:center;gap:12px;flex:none;}
.mega-wrap{position:relative;}
.mega-trigger{display:inline-flex;align-items:center;gap:7px;padding:10px 14px;font-size:15px;color:var(--text-2);border-radius:var(--radius-s);transition:color var(--ease),background var(--ease);}
.mega-trigger svg{transition:transform var(--ease);}
.mega-trigger:hover{color:var(--primary);background:var(--primary-soft-2);}
.mega-wrap:hover .mega-trigger,.mega-wrap:focus-within .mega-trigger{color:var(--primary);}
.mega-wrap:hover .mega-trigger svg,.mega-wrap:focus-within .mega-trigger svg{transform:rotate(180deg);}
.mega-panel{position:absolute;top:calc(100% + 14px);right:0;width:min(920px,92vw);background:#fff;border-radius:var(--radius-l);box-shadow:var(--shadow-2);border:1px solid var(--border);padding:26px;display:grid;grid-template-columns:1.1fr 1.1fr .9fr;gap:26px;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .2s ease,transform .2s ease,visibility .2s;z-index:90;}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:13px;letter-spacing:1.2px;color:var(--muted);font-weight:600;margin-bottom:14px;}
.mega-list li{margin-bottom:4px;}
.mega-list a{display:block;position:relative;padding:9px 12px 9px 16px;border-radius:var(--radius-s);font-size:14.5px;color:var(--text-2);transition:background var(--ease),color var(--ease);}
.mega-list a::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:2px;background:var(--primary);transform:scaleY(0);transform-origin:top;transition:transform var(--ease);}
.mega-list a:hover{background:var(--primary-soft-2);color:var(--primary);}
.mega-list a:hover::before{transform:scaleY(1);}
.mega-post{display:flex;gap:12px;padding:10px;border-radius:var(--radius-m);transition:background var(--ease);}
.mega-post:hover{background:var(--primary-soft-2);}
.mega-post img{width:72px;height:56px;object-fit:cover;border-radius:var(--radius-s);background:linear-gradient(135deg,#DDE8E5,#C6D9D5);}
.mega-post strong{display:block;font-size:14.5px;font-weight:600;margin-bottom:4px;}
.mega-post span{font-size:12.5px;color:var(--muted);}
.mega-cta{background:linear-gradient(135deg,var(--primary),var(--primary-3));border-radius:var(--radius-m);padding:22px;color:#fff;display:flex;flex-direction:column;justify-content:space-between;gap:18px;}
.mega-cta p{font-size:13.5px;color:rgba(255,255,255,.85);margin:0;line-height:1.8;}
.mega-cta strong{display:block;font-size:17px;font-weight:700;margin-bottom:8px;}
.mega-cta .btn{width:100%;background:#fff;color:var(--primary);box-shadow:none;}
.mega-cta .btn:hover{background:#F3F8F6;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--radius-s);border:1px solid var(--border);align-items:center;justify-content:center;flex-direction:column;gap:5px;}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform var(--ease),opacity var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.drawer{display:none;border-top:1px solid var(--border);background:#fff;padding:10px 0 22px;}
.drawer.open{display:block;}
.drawer .container{display:flex;flex-direction:column;}
.drawer-link{height:48px;display:flex;align-items:center;font-size:15.5px;color:var(--text-2);border-bottom:1px solid var(--border);}
.drawer-link.active{color:var(--primary);font-weight:600;}
.drawer-group{padding:14px 0;border-bottom:1px solid var(--border);}
.drawer-group .mega-title{margin-bottom:10px;}
.drawer .btn{margin-top:18px;width:100%;}

/* ============ 面包屑 ============ */
.breadcrumb{padding:22px 0 0;font-size:14px;color:var(--text-2);}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:0;}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"";width:5px;height:5px;border-right:1.5px solid var(--muted);border-top:1.5px solid var(--muted);transform:rotate(45deg);display:inline-block;}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .current{color:var(--primary);font-weight:600;}

/* ============ 分类页 Hero ============ */
.hero-cat{position:relative;overflow:hidden;background:var(--primary-soft);}
.hero-cat::before{content:"";position:absolute;inset:0;background-image:linear-gradient(135deg,rgba(15,76,74,.9),rgba(23,107,98,.86) 58%,rgba(31,138,120,.8)),url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center;opacity:1;}
.hero-cat::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:64px;background:linear-gradient(to bottom,rgba(246,247,244,0),var(--bg));}
.hero-cat .container{position:relative;z-index:2;}
.hero-inner{padding:34px 0 92px;text-align:center;color:#fff;max-width:840px;margin:0 auto;}
.hero-inner .badge-line{display:inline-flex;align-items:center;gap:9px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);border-radius:var(--radius-pill);padding:7px 18px;font-size:13px;letter-spacing:1.5px;margin-bottom:22px;}
.hero-inner .badge-line i{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block;}
.hero-inner h1{font-size:46px;line-height:1.28;color:#fff;margin-bottom:18px;}
.hero-inner h1 em{font-style:normal;display:block;font-size:20px;font-weight:400;color:rgba(255,255,255,.78);letter-spacing:1px;margin-top:12px;}
.hero-inner p.lead{font-size:17px;color:rgba(255,255,255,.88);max-width:44ch;margin:0 auto 30px;}
.hero-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;}
.hero-tags{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-top:34px;}
.hero-tags span{font-size:13px;color:rgba(255,255,255,.9);background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-pill);padding:5px 15px;}

/* ============ 说明区 ============ */
.intro-wrap{max-width:820px;margin:0 auto;text-align:center;}
.intro-wrap h2{font-size:30px;margin-bottom:22px;}
.intro-wrap p{color:var(--text-2);font-size:16.5px;max-width:52ch;margin-left:auto;margin-right:auto;}
.check-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px;text-align:left;}
.check-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);padding:22px;box-shadow:var(--shadow-1);transition:box-shadow var(--ease),transform var(--ease);}
.check-item:hover{box-shadow:var(--shadow-2);transform:translateY(-3px);}
.check-item .ico{width:30px;height:30px;border-radius:9px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.check-item strong{display:block;font-size:16px;font-weight:600;margin-bottom:7px;}
.check-item p{font-size:14.5px;color:var(--text-2);margin:0;line-height:1.8;}

/* ============ 2 列图文卡 ============ */
.duo-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.duo-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;transition:box-shadow var(--ease),transform var(--ease);}
.duo-card:hover{box-shadow:var(--shadow-2);transform:translateY(-4px);}
.duo-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#DDE8E5,#C2D8D3);}
.duo-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.duo-card:hover .duo-media img{transform:scale(1.04);}
.duo-media .pill{position:absolute;left:16px;top:16px;background:rgba(255,255,255,.94);}
.duo-body{padding:26px 28px 28px;display:flex;flex-direction:column;flex:1;}
.duo-body h3{font-size:21px;margin-bottom:12px;}
.duo-body p{color:var(--text-2);font-size:15px;max-width:50ch;}
.duo-meta{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 20px;}
.duo-meta span{font-size:13px;color:var(--text-2);background:var(--bg);border-radius:var(--radius-pill);padding:4px 12px;}
.duo-foot{margin-top:auto;padding-top:16px;border-top:1px dashed var(--border-strong);display:flex;align-items:center;justify-content:space-between;gap:12px;}
.duo-foot .time{font-size:13px;color:var(--muted);}

/* ============ 节奏挑选（2+1） ============ */
.rhythm{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.rhythm-grid{display:grid;grid-template-columns:1.35fr 1fr;grid-template-rows:auto auto;gap:24px;}
.rhythm-card{border:1px solid var(--border);border-radius:var(--radius-l);padding:32px;background:var(--bg);display:flex;flex-direction:column;gap:14px;transition:box-shadow var(--ease),transform var(--ease);}
.rhythm-card:hover{box-shadow:var(--shadow-2);transform:translateY(-3px);}
.rhythm-card.main{grid-row:span 2;background:linear-gradient(150deg,var(--primary),var(--primary-3));border-color:transparent;color:#fff;justify-content:space-between;padding:38px;}
.rhythm-card.main h3{color:#fff;font-size:26px;}
.rhythm-card.main p{color:rgba(255,255,255,.85);font-size:15.5px;max-width:42ch;}
.rhythm-card.main .pill{background:rgba(255,255,255,.16);color:#fff;}
.rhythm-card h3{font-size:19px;}
.rhythm-card p{color:var(--text-2);font-size:14.8px;margin:0;}
.rhythm-card .bar{width:44px;height:3px;border-radius:2px;background:var(--accent);}

/* ============ 数据徽章带 ============ */
.trust-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.trust-item{position:relative;background:var(--primary-soft-2);border:1px solid var(--border);border-radius:var(--radius-m);padding:26px 24px 24px;overflow:hidden;}
.trust-item::before{content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;border-radius:0 2px 2px 0;background:var(--accent);}
.trust-item .num{font-size:36px;font-weight:700;line-height:1.1;background:linear-gradient(120deg,var(--primary),var(--primary-3));-webkit-background-clip:text;background-clip:text;color:transparent;}
.trust-item .num small{font-size:16px;font-weight:600;-webkit-text-fill-color:var(--primary);}
.trust-item p{font-size:13.5px;color:var(--text-2);margin:10px 0 0;line-height:1.7;}

/* ============ FAQ ============ */
.faq-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);box-shadow:var(--shadow-1);overflow:hidden;transition:box-shadow var(--ease);}
.faq-item:hover{box-shadow:var(--shadow-2);}
.faq-item summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:52px;padding:20px 24px;font-size:16px;font-weight:600;cursor:pointer;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{position:relative;width:20px;height:20px;flex:none;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform var(--ease),opacity var(--ease);}
.faq-icon::before{left:3px;right:3px;top:9px;height:2px;}
.faq-icon::after{top:3px;bottom:3px;left:9px;width:2px;}
.faq-item[open] .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-body{padding:4px 24px 24px 24px;border-left:3px solid var(--primary);background:#FAFBFA;margin:0 24px 20px;border-radius:0 var(--radius-s) var(--radius-s) 0;color:var(--text-2);font-size:15px;line-height:1.9;}
.faq-item[open] summary{color:var(--primary);}

/* ============ 相关分类 ============ */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.related-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);padding:26px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;gap:10px;transition:transform var(--ease),box-shadow var(--ease);}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.related-card strong{font-size:17px;font-weight:600;}
.related-card p{font-size:14.5px;color:var(--text-2);margin:0;}
.related-card .link-more{margin-top:auto;padding-top:8px;}

/* ============ CTA ============ */
.cta-block{background:linear-gradient(120deg,#10201F,#10201F 40%,rgba(15,76,74,.9));border-radius:var(--radius-l);padding:56px;display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;color:#fff;}
.cta-block h2{color:#fff;font-size:30px;margin-bottom:14px;}
.cta-block p{color:rgba(255,255,255,.78);font-size:15px;margin:0;}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;}
.cta-form input{flex:1 1 220px;min-width:0;padding:15px 20px;border-radius:var(--radius-s);border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);color:#fff;transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);}
.cta-form input::placeholder{color:rgba(255,255,255,.55);}
.cta-form input:focus{outline:none;border-color:var(--primary-3);box-shadow:0 0 0 3px rgba(31,138,120,.35);background:rgba(255,255,255,.14);}
.cta-note{font-size:13px;color:rgba(255,255,255,.55);margin-top:14px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);margin-top:var(--section-y);padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px;}
.footer-brand .logo-mark{width:34px;height:34px;border-radius:10px;}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);max-width:38ch;}
.footer-keywords{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-keywords span{font-size:12.5px;border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-pill);padding:3px 11px;color:rgba(255,255,255,.62);}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:600;}
.footer-col li{margin-bottom:11px;font-size:14px;}
.footer-col a{color:rgba(255,255,255,.66);}
.footer-col a:hover{color:var(--accent-2);}
.footer-contact li{font-size:13.8px;line-height:1.8;color:rgba(255,255,255,.6);}
.footer-contact strong{display:block;color:rgba(255,255,255,.85);font-weight:600;font-size:13px;}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  h1{font-size:40px;}
  .hero-inner h1{font-size:40px;}
  .mega-panel{width:min(880px,94vw);}
}
@media (max-width:991px){
  :root{--section-y:64px;}
  .container{padding:0 24px;}
  .main-nav,.mega-wrap{display:none;}
  .nav-toggle{display:flex;}
  .header-actions{margin-left:auto;}
  h1{font-size:36px;}
  h2{font-size:26px;}
  .hero-inner{padding:26px 0 72px;}
  .hero-inner h1{font-size:34px;}
  .hero-inner h1 em{font-size:17px;}
  .check-list{grid-template-columns:1fr;}
  .duo-grid{grid-template-columns:1fr;gap:20px;}
  .rhythm-grid{grid-template-columns:1fr;}
  .rhythm-card.main{grid-row:auto;}
  .trust-strip{grid-template-columns:repeat(2,1fr);}
  .related-grid{grid-template-columns:1fr;}
  .cta-block{grid-template-columns:1fr;padding:38px 28px;gap:28px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .section-head{flex-direction:column;align-items:flex-start;}
}
@media (max-width:767px){
  :root{--section-y:44px;}
  .container{padding:0 18px;}
  body{font-size:15.5px;}
  h1{font-size:30px;}
  h2{font-size:23px;}
  h3{font-size:18px;}
  .hero-inner h1{font-size:29px;}
  .hero-inner p.lead{font-size:15.5px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .duo-body{padding:22px 20px 24px;}
  .rhythm-card{padding:24px 20px;}
  .rhythm-card.main{padding:28px 22px;}
  .trust-strip{grid-template-columns:1fr 1fr;gap:14px;}
  .trust-item{padding:20px 16px;}
  .trust-item .num{font-size:28px;}
  .faq-item summary{padding:16px 18px;font-size:15px;}
  .faq-body{margin:0 18px 18px;padding:2px 16px 20px 16px;font-size:14.5px;}
  .cta-block{padding:30px 20px;border-radius:var(--radius-m);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding:48px 0 22px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .section-head{margin-bottom:26px;}
}
@media (max-width:520px){
  .brand-text em{display:none;}
  .related-grid{grid-template-columns:1fr;}
  .trust-strip{grid-template-columns:1fr;}
}

/* roulang page: category3 */
:root{
  --brand:#0F4C4A;
  --brand-2:#176B62;
  --brand-3:#1F8A78;
  --brand-soft:rgba(15,76,74,.08);
  --brand-soft-2:rgba(15,76,74,.14);
  --accent:#FF7A45;
  --accent-2:#FF9A62;
  --lime:#7BD389;
  --danger:#D64545;
  --bg:#F6F7F4;
  --card:#FFFFFF;
  --dark:#10201F;
  --text:#17201F;
  --text-2:#5A6A68;
  --text-3:#A8B3B1;
  --border:rgba(16,32,31,.07);
  --border-line:#D9DEDC;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --radius-pill:999px;
  --shadow-1:0 6px 18px rgba(16,32,31,.06);
  --shadow-2:0 14px 34px rgba(16,32,31,.12);
  --grad-hero:linear-gradient(135deg,#0F4C4A,#176B62 60%,#1F8A78);
  --grad-btn:linear-gradient(120deg,#FF7A45,#FF9A62);
  --container:1200px;
  --gap-section:88px;
  --ease:.25s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:.01em;}
p{margin:0 0 1.1em;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.container{max-width:var(--container);margin:0 auto;padding:0 32px;width:100%;}
.section{padding:var(--gap-section) 0;}
.section-tight{padding:64px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);
  border-radius:var(--radius-pill);
  padding:6px 14px;letter-spacing:.04em;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--accent);}
.section-head{margin-bottom:36px;}
.section-head h2{font-size:32px;margin-bottom:12px;}
.section-head p{color:var(--text-2);font-size:16px;max-width:56ch;margin:0;}
.lead{font-size:17px;color:var(--text-2);max-width:56ch;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.site-header.scrolled{
  background:rgba(255,255,255,.96);
  border-bottom-color:var(--border);
  box-shadow:0 4px 16px rgba(16,32,31,.05);
}
.header-inner{
  display:flex;align-items:center;gap:28px;
  height:76px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad-hero);
  color:#fff;font-weight:700;font-size:19px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(15,76,74,.24);
  flex-shrink:0;
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:15px;
  color:var(--text-2);
  border-radius:var(--radius-s);
  transition:color var(--ease),background var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.nav-link.active::before{
  content:"";position:absolute;left:4px;top:50%;transform:translateY(-50%);
  width:5px;height:5px;border-radius:50%;background:var(--accent);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}

/* mega */
.mega-wrap{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;color:var(--text-2);
  padding:10px 14px;border-radius:var(--radius-s);
  transition:color var(--ease),background var(--ease);
}
.mega-trigger:hover,.mega-wrap:focus-within .mega-trigger{color:var(--brand);background:var(--brand-soft);}
.mega-trigger svg{transition:transform var(--ease);}
.mega-wrap:hover .mega-trigger svg,.mega-wrap:focus-within .mega-trigger svg{transform:rotate(180deg);}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;
  width:min(920px,92vw);
  background:#fff;border-radius:var(--radius-l);
  box-shadow:var(--shadow-2);
  border:1px solid var(--border);
  padding:26px;
  display:grid;grid-template-columns:1.1fr 1.2fr .9fr;gap:22px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col h5{margin:0 0 14px;font-size:13px;font-weight:600;color:var(--text-3);letter-spacing:.08em;}
.mega-list li{margin-bottom:4px;}
.mega-list a{
  display:block;padding:8px 10px;border-left:3px solid transparent;
  font-size:14px;color:var(--text-2);border-radius:0 var(--radius-s) var(--radius-s) 0;
  transition:all var(--ease);
}
.mega-list a:hover{color:var(--brand);border-left-color:var(--brand);background:var(--brand-soft);}
.mega-news{display:flex;gap:12px;padding:10px;border-radius:var(--radius-m);transition:background var(--ease);}
.mega-news:hover{background:var(--bg);}
.mega-news img{width:72px;height:56px;object-fit:cover;border-radius:var(--radius-s);background:linear-gradient(135deg,#dfe6e3,#cbd6d2);flex-shrink:0;}
.mega-news span{display:block;font-size:14px;font-weight:600;line-height:1.5;margin-bottom:4px;}
.mega-news em{font-style:normal;font-size:12px;color:var(--text-3);}
.mega-cta{
  background:var(--grad-hero);color:#fff;border-radius:var(--radius-m);
  padding:22px;display:flex;flex-direction:column;justify-content:space-between;gap:16px;
}
.mega-cta strong{font-size:17px;display:block;margin-bottom:8px;}
.mega-cta p{font-size:13px;margin:0;color:rgba(255,255,255,.82);line-height:1.7;}
.mega-cta a{
  display:inline-flex;align-items:center;gap:6px;justify-content:center;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.4);
  color:#fff;font-size:14px;font-weight:600;
  padding:10px 16px;border-radius:var(--radius-pill);
  transition:background var(--ease),transform var(--ease);
}
.mega-cta a:hover{background:rgba(255,255,255,.28);transform:translateY(-2px);}

.burger{
  display:none;width:44px;height:44px;border-radius:var(--radius-s);
  align-items:center;justify-content:center;
  border:1px solid var(--border-line);background:#fff;
}
.burger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;transition:background var(--ease);}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform var(--ease);
}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}

.drawer{
  display:none;
  border-top:1px solid var(--border);
  background:#fff;
  box-shadow:var(--shadow-1);
}
.drawer.open{display:block;}
.drawer-inner{padding:14px 18px 24px;}
.drawer-inner a.d-link{
  display:flex;align-items:center;height:48px;
  border-bottom:1px solid var(--border);
  font-size:15px;color:var(--text-2);
}
.drawer-inner a.d-link.active{color:var(--brand);font-weight:600;}
.drawer-group{margin-top:18px;}
.drawer-group h6{margin:0 0 8px;font-size:13px;color:var(--text-3);letter-spacing:.06em;}
.drawer-group a{display:block;font-size:14px;color:var(--text-2);padding:7px 0;}
.drawer-cta{margin-top:20px;}
.drawer-cta .btn{width:100%;justify-content:center;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease),filter var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad-btn);color:#fff;
  box-shadow:0 8px 20px rgba(255,122,69,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,122,69,.34);filter:brightness(1.04);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(255,122,69,.26);}
.btn-outline{
  background:#fff;color:var(--brand);border:1.5px solid var(--brand);
}
.btn-outline:hover{background:var(--brand-soft);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(1px);}
.btn-ghost{
  background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6);
}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;filter:none;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-weight:600;font-size:15px;
}
.link-more svg{transition:transform var(--ease);}
.link-more:hover svg{transform:translateX(4px);}

/* ---------- breadcrumb ---------- */
.breadcrumb{
  background:#fff;border-bottom:1px solid var(--border);
  font-size:14px;color:var(--text-2);
}
.breadcrumb-inner{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:14px 32px;max-width:var(--container);margin:0 auto;}
.breadcrumb a{color:var(--text-2);transition:color var(--ease);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:var(--text-3);}
.breadcrumb .current{color:var(--brand);font-weight:600;}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--grad-hero);
  color:#fff;
  padding:76px 0 84px;
}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(120deg,rgba(15,76,74,.92),rgba(23,107,98,.72) 55%,rgba(31,138,120,.55)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.96;
}
.page-hero .container{position:relative;z-index:2;}
.page-hero h1{font-size:46px;line-height:1.25;margin-bottom:18px;max-width:22ch;}
.page-hero .sub{font-size:17px;line-height:1.9;color:rgba(255,255,255,.88);max-width:52ch;margin-bottom:28px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;padding:6px 14px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  color:#fff;
}
.chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- layout: sticky toc + content ---------- */
.layout-2col{
  display:grid;grid-template-columns:272px 1fr;gap:44px;align-items:start;
}
.toc-card{
  position:sticky;top:100px;
  background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-l);box-shadow:var(--shadow-1);
  padding:22px;
}
.toc-card h4{font-size:14px;letter-spacing:.08em;color:var(--text-3);margin-bottom:14px;font-weight:600;}
.toc-list li{margin-bottom:2px;}
.toc-list a{
  display:block;font-size:14px;color:var(--text-2);
  padding:9px 12px;border-left:3px solid transparent;
  border-radius:0 var(--radius-s) var(--radius-s) 0;
  transition:all var(--ease);
}
.toc-list a:hover{color:var(--brand);border-left-color:var(--brand);background:var(--brand-soft);}
.toc-help{
  margin-top:18px;padding-top:18px;border-top:1px dashed var(--border-line);
  font-size:13px;color:var(--text-3);line-height:1.75;
}
.toc-help a{color:var(--brand);font-weight:600;}

.content-col{display:flex;flex-direction:column;gap:28px;}
.card{
  background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-l);box-shadow:var(--shadow-1);
  padding:38px 40px;
  transition:box-shadow var(--ease),transform var(--ease);
}
.card h2{
  font-size:26px;margin-bottom:16px;padding-left:16px;position:relative;
}
.card h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:4px;background:var(--brand);
}
.card h3{font-size:19px;margin:26px 0 12px;}
.card p{color:var(--text-2);}
.card p strong{color:var(--text);}
.stamp{
  display:inline-block;font-size:12px;color:var(--text-3);
  border:1px dashed var(--border-line);border-radius:var(--radius-s);
  padding:3px 10px;margin-bottom:16px;
}

/* lists */
.check-list li{
  position:relative;padding-left:28px;margin-bottom:12px;color:var(--text-2);line-height:1.85;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:16px;height:16px;border-radius:50%;
  background:var(--brand-soft-2);
}
.check-list li::after{
  content:"";position:absolute;left:5px;top:16px;
  width:6px;height:3px;border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(-45deg);
}
.dot-list li{
  position:relative;padding-left:20px;margin-bottom:12px;color:var(--text-2);line-height:1.9;
}
.dot-list li::before{
  content:"";position:absolute;left:0;top:12px;width:8px;height:8px;border-radius:50%;background:var(--brand-soft-2);
  box-shadow:inset 0 0 0 2px var(--brand);
}
.bar-list li{
  position:relative;padding:12px 0 12px 16px;border-bottom:1px solid var(--border);
  color:var(--text-2);line-height:1.85;
}
.bar-list li:last-child{border-bottom:none;}
.bar-list li::before{
  content:"";position:absolute;left:0;top:20px;width:3px;height:16px;border-radius:3px;background:var(--accent);
}

/* media row */
.media-row{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:26px 0 6px;
}
.media-item{
  background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-m);
  overflow:hidden;transition:transform var(--ease),box-shadow var(--ease);
}
.media-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.media-item .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#dfe6e3,#cbd6d2);}
.media-item .thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.media-item:hover .thumb img{transform:scale(1.03);}
.media-item .body{padding:18px 20px 22px;}
.media-item h4{font-size:17px;margin-bottom:8px;}
.media-item p{font-size:14px;color:var(--text-2);margin:0;line-height:1.8;}
.pill{
  display:inline-block;font-size:12px;font-weight:600;
  color:var(--brand);background:var(--brand-soft);
  border-radius:var(--radius-pill);padding:4px 12px;margin-bottom:10px;
}

/* steps */
.steps{display:flex;flex-direction:column;gap:14px;margin-top:20px;}
.step{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--bg);border:1px solid var(--border);
  border-radius:var(--radius-m);padding:18px 20px;
}
.step-num{
  flex-shrink:0;width:34px;height:34px;border-radius:12px;
  background:var(--grad-hero);color:#fff;font-weight:700;font-size:15px;
  display:flex;align-items:center;justify-content:center;
}
.step h4{font-size:16px;margin-bottom:6px;}
.step p{margin:0;font-size:14px;color:var(--text-2);line-height:1.8;}

/* note */
.note{
  background:var(--brand-soft);
  border-left:3px solid var(--brand);
  border-radius:0 var(--radius-m) var(--radius-m) 0;
  padding:18px 22px;margin:22px 0 0;
  font-size:15px;color:var(--text-2);
}
.note strong{color:var(--brand);}

/* ---------- faq ---------- */
.faq-list{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-m);overflow:hidden;
  transition:box-shadow var(--ease),border-color var(--ease);
}
.faq-item:hover{box-shadow:var(--shadow-1);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:52px;padding:16px 22px;
  font-size:16px;font-weight:600;color:var(--text);
  transition:color var(--ease),background var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);background:rgba(15,76,74,.04);}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;line-height:1;
  transition:transform var(--ease),background var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff;}
.faq-body{
  background:var(--bg);
  border-left:3px solid var(--brand);
  padding:16px 22px 20px;
  font-size:15px;color:var(--text-2);line-height:1.9;
}
.faq-body p:last-child{margin-bottom:0;}

/* ---------- related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease);
  display:flex;flex-direction:column;gap:10px;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.rel-card h3{font-size:17px;}
.rel-card p{font-size:14px;color:var(--text-2);margin:0;line-height:1.8;}
.rel-card .link-more{margin-top:auto;font-size:14px;}

/* ---------- cta ---------- */
.cta-band{
  background:linear-gradient(120deg,#10201F 0%,#10201F 40%,#17544E 100%);
  color:#fff;border-radius:var(--radius-l);
  padding:52px 48px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,69,.24),transparent 70%);
}
.cta-band h2{font-size:30px;margin-bottom:14px;position:relative;}
.cta-band p{color:rgba(255,255,255,.78);font-size:15px;margin:0;position:relative;}
.cta-form{position:relative;display:flex;flex-direction:column;gap:12px;}
.cta-input-row{display:flex;gap:12px;flex-wrap:wrap;}
.cta-form input[type="email"]{
  flex:1;min-width:200px;
  padding:14px 18px;border-radius:var(--radius-s);
  border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.08);color:#fff;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.cta-form input[type="email"]::placeholder{color:rgba(255,255,255,.5);}
.cta-form input[type="email"]:focus{
  outline:none;border-color:var(--brand-3);
  box-shadow:0 0 0 2px rgba(31,138,120,.55);
  background:rgba(255,255,255,.14);
}
.cta-form .agree{font-size:13px;color:rgba(255,255,255,.56);margin:0;}
.cta-form .btn{width:auto;}
.form-success{
  display:none;font-size:13px;color:#0F4C4A;background:var(--lime);
  border-radius:var(--radius-s);padding:10px 14px;
}
.form-success.show{display:block;}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:var(--gap-section);}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:16px;}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);margin-bottom:18px;max-width:34ch;}
.footer-keywords{display:flex;flex-wrap:wrap;gap:8px;}
.footer-keywords span{
  font-size:12px;padding:4px 11px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.72);
}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:color var(--ease);}
.footer-col a:hover{color:var(--accent);}
.footer-contact li{font-size:13px;line-height:1.9;color:rgba(255,255,255,.6);margin-bottom:10px;}
.footer-contact strong{display:block;color:rgba(255,255,255,.9);font-size:13px;font-weight:600;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding:20px 0 26px;font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 28px;}
  .page-hero h1{font-size:40px;}
  .layout-2col{grid-template-columns:240px 1fr;gap:32px;}
}
@media (max-width:991px){
  :root{--gap-section:64px;}
  .main-nav,.mega-wrap{display:none;}
  .burger{display:flex;}
  .nav-actions .btn-sm{display:none;}
  .header-inner{height:68px;gap:16px;justify-content:space-between;}
  .brand-text{font-size:16px;}
  .layout-2col{grid-template-columns:1fr;gap:24px;}
  .toc-card{position:static;}
  .toc-list{display:grid;grid-template-columns:1fr 1fr;gap:6px 12px;}
  .related-grid{grid-template-columns:1fr 1fr;gap:20px;}
  .cta-band{grid-template-columns:1fr;padding:40px 30px;gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .page-hero{padding:56px 0 64px;}
  .page-hero h1{font-size:36px;}
  .card{padding:30px 28px;}
  .card h2{font-size:24px;}
  .section-head h2{font-size:26px;}
}
@media (max-width:767px){
  :root{--gap-section:44px;}
  .container{padding:0 18px;}
  .breadcrumb-inner{padding:12px 18px;}
  .page-hero{padding:44px 0 52px;}
  .page-hero h1{font-size:30px;}
  .page-hero .sub{font-size:15px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{padding:12px 20px;font-size:14px;}
  .card{padding:24px 20px;border-radius:var(--radius-m);}
  .card h2{font-size:21px;}
  .media-row{grid-template-columns:1fr;}
  .toc-list{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 20px;border-radius:var(--radius-m);}
  .cta-band h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .section-head h2{font-size:22px;}
  .faq-item summary{font-size:15px;padding:14px 16px;}
  .faq-body{padding:14px 16px 18px;}
}
@media (max-width:519px){
  .brand-text{font-size:15px;white-space:normal;line-height:1.3;max-width:150px;}
  .logo-mark{width:34px;height:34px;font-size:17px;border-radius:10px;}
  .page-hero h1{font-size:27px;}
  .btn{padding:12px 20px;font-size:14px;}
}

/* roulang page: category4 */
:root{
  --primary:#0F4C4A;
  --primary-2:#176B62;
  --primary-3:#1F8A78;
  --accent:#FF7A45;
  --accent-2:#FF9A62;
  --lime:#7BD389;
  --bg:#F6F7F4;
  --card:#FFFFFF;
  --dark:#10201F;
  --text:#17201F;
  --text-2:#5A6A68;
  --text-3:#A8B3B1;
  --border:rgba(16,32,31,.08);
  --border-strong:#D9DEDC;
  --primary-soft:rgba(15,76,74,.07);
  --primary-soft-2:rgba(15,76,74,.12);
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --radius-pill:999px;
  --shadow-1:0 6px 18px rgba(16,32,31,.06);
  --shadow-2:0 14px 34px rgba(16,32,31,.12);
  --grad-hero:linear-gradient(135deg,#0F4C4A 0%,#176B62 60%,#1F8A78 100%);
  --grad-cta:linear-gradient(120deg,#FF7A45,#FF9A62);
  --section-gap:88px;
  --danger:#D64545;
  --ease:.25s ease;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
h1,h2,h3,h4{line-height:1.3;font-weight:700}
strong{font-weight:600}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--section-gap) 0}
.section--tight{padding:56px 0}
.section--dark{background:var(--dark);color:#fff}
.section--soft{background:linear-gradient(180deg,rgba(15,76,74,.06),rgba(15,76,74,.02))}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--primary);background:var(--primary-soft);
  padding:6px 14px;border-radius:var(--radius-pill);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{font-size:32px;letter-spacing:-.01em}
.section-head p{color:var(--text-2);font-size:15px;max-width:560px;margin-top:10px}
.head-deco{position:relative;padding-left:16px}
.head-deco::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;
  border-radius:4px;background:linear-gradient(180deg,var(--primary),var(--primary-3));
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--border);
  backdrop-filter:blur(8px);
}
.header-inner{display:flex;align-items:center;gap:28px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:.01em;white-space:nowrap}
.logo-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;
  background:var(--grad-hero);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;box-shadow:var(--shadow-1);
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 14px;font-size:15px;color:var(--text-2);border-radius:var(--radius-s);
  transition:color var(--ease),background var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);border-radius:2px;
}
.nav-link:hover{color:var(--primary);background:var(--primary-soft)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.nav-link.active::before{
  content:"";position:absolute;left:2px;top:50%;width:5px;height:5px;
  margin-top:-2.5px;border-radius:50%;background:var(--accent);
}
.header-actions{display:flex;align-items:center;gap:12px}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-s);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  border:1px solid var(--border-strong);background:#fff;
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform var(--ease),opacity var(--ease)}
.site-header.nav-open .menu-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.site-header.nav-open .menu-toggle span:nth-child(2){opacity:0}
.site-header.nav-open .menu-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--grad-cta);color:#fff;box-shadow:0 8px 20px rgba(255,122,69,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,122,69,.38)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{border:1.5px solid rgba(255,255,255,.72);color:#fff;background:rgba(255,255,255,.06)}
.btn-outline:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn-ghost{border:1.5px solid var(--primary);color:var(--primary);background:#fff}
.btn-ghost:hover{background:var(--primary-soft);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:15px}
.link-more .arrow{transition:transform var(--ease)}
.link-more:hover .arrow{transform:translateX(4px)}

/* ---------- 面包屑 ---------- */
.breadcrumb{background:#fff;border-bottom:1px solid var(--border)}
.breadcrumb ol{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:14px 0;font-size:14px;color:var(--text-2)}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"›";color:var(--text-3)}
.breadcrumb a{color:var(--text-2);transition:color var(--ease)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .current{color:var(--primary);font-weight:600}

/* ---------- Hero ---------- */
.hero{
  position:relative;color:#fff;overflow:hidden;
  background:var(--grad-hero);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  opacity:.34;mix-blend-mode:luminosity;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(16,32,31,.72),rgba(16,32,31,.32) 62%,rgba(16,32,31,.12));
}
.hero .container{position:relative;z-index:2;padding-top:78px;padding-bottom:88px}
.hero-inner{max-width:720px}
.hero .eyebrow{background:rgba(255,255,255,.16);color:#fff}
.hero .eyebrow::before{background:var(--lime)}
.hero h1{font-size:48px;line-height:1.25;margin:20px 0 18px;letter-spacing:-.015em}
.hero h1 em{font-style:normal;color:#9FE7D8}
.hero-sub{font-size:17px;color:rgba(255,255,255,.88);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:36px;font-size:14px;color:rgba(255,255,255,.78)}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta span::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--lime)}

/* ---------- 数据徽章带 ---------- */
.stat-band{position:relative;z-index:3;margin-top:-44px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{
  position:relative;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-m);padding:24px 22px 22px 26px;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.stat-card::before{content:"";position:absolute;left:12px;top:24px;bottom:24px;width:3px;border-radius:3px;background:var(--accent)}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.stat-num{
  font-size:38px;font-weight:700;line-height:1.1;letter-spacing:-.02em;
  background:linear-gradient(120deg,#0F4C4A,#1F8A78);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-num small{font-size:16px;font-weight:600;margin-left:2px}
.stat-label{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.7}

/* ---------- 正文说明 ---------- */
.article-lead{max-width:760px}
.article-lead p{font-size:16px;color:var(--text-2);margin-bottom:18px;max-width:56em}
.article-lead p.lead-first{font-size:18px;color:var(--text)}
.note-card{
  margin-top:28px;background:#fff;border:1px solid var(--border);border-left:4px solid var(--primary);
  border-radius:var(--radius-m);padding:22px 26px;box-shadow:var(--shadow-1);
}
.note-card strong{display:block;margin-bottom:6px;color:var(--primary)}

/* ---------- 图文错位 ---------- */
.split-row{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split-row+.split-row{margin-top:72px}
.split-row.reverse .split-media{order:2}
.split-media{position:relative}
.split-media img{border-radius:var(--radius-l);box-shadow:var(--shadow-2);width:100%;aspect-ratio:16/11;object-fit:cover;background:linear-gradient(135deg,#0F4C4A,#1F8A78)}
.split-media .float-badge{
  position:absolute;right:-14px;bottom:-18px;background:#fff;border-radius:var(--radius-m);
  box-shadow:var(--shadow-2);padding:14px 20px;border:1px solid var(--border);
}
.split-media .float-badge b{display:block;font-size:24px;color:var(--primary)}
.split-media .float-badge span{font-size:13px;color:var(--text-2)}
.split-text h3{font-size:24px;margin-bottom:14px}
.split-text p{color:var(--text-2);margin-bottom:14px;max-width:54em}

/* ---------- 清单 ---------- */
.check-list{margin-top:18px;display:grid;gap:12px}
.check-list li{position:relative;padding-left:32px;color:var(--text-2);line-height:1.9}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:18px;height:18px;border-radius:50%;
  background:var(--primary-soft-2);
}
.check-list li::after{
  content:"";position:absolute;left:6px;top:15px;width:6px;height:10px;
  border-right:2px solid var(--primary);border-bottom:2px solid var(--primary);
  transform:rotate(42deg);
}

/* ---------- 卡片网格 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,76,74,.18)}
.card-media{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#0F4C4A,#1F8A78)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:19px;transition:color var(--ease)}
.card:hover .card-body h3{color:var(--primary)}
.card-body p{color:var(--text-2);font-size:15px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.pill{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  font-size:13px;font-weight:600;color:var(--primary);
  background:var(--primary-soft);padding:5px 12px;border-radius:var(--radius-pill);
}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);padding-top:8px;border-top:1px solid var(--border)}
.card-foot .arrow{color:var(--primary);transition:transform var(--ease)}
.card:hover .card-foot .arrow{transform:translateX(4px)}

/* ---------- 步骤时间线 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{
  position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);
  padding:26px 22px 24px;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;background:var(--primary-soft);
  color:var(--primary);font-weight:700;font-size:15px;margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--text-2);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);
  box-shadow:var(--shadow-1);overflow:hidden;transition:box-shadow var(--ease),border-color var(--ease);
}
.faq-item:hover{border-color:rgba(15,76,74,.2)}
.faq-item[open]{box-shadow:var(--shadow-2)}
.faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:52px;padding:16px 22px;font-size:16px;font-weight:600;cursor:pointer;
  transition:background var(--ease),color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--primary-soft);color:var(--primary)}
.faq-icon{position:relative;flex:0 0 18px;width:18px;height:18px}
.faq-icon::before{content:"";position:absolute;left:0;right:0;top:8px;height:2px;border-radius:2px;background:var(--primary)}
.faq-icon::after{content:"";position:absolute;top:0;bottom:0;left:8px;width:2px;border-radius:2px;background:var(--primary);transition:transform var(--ease)}
.faq-item[open] .faq-icon::after{transform:scaleY(0)}
.faq-body{
  padding:18px 22px 22px;border-left:3px solid var(--primary);
  background:#F4F6F5;color:var(--text-2);font-size:15px;line-height:1.9;
}

/* ---------- 相关分类 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.rel-card{
  display:block;background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);
  padding:22px;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,76,74,.2)}
.rel-card b{display:block;font-size:16px;margin-bottom:8px;transition:color var(--ease)}
.rel-card:hover b{color:var(--primary)}
.rel-card span{font-size:14px;color:var(--text-2);line-height:1.75}
.rel-card .rel-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--accent);margin-right:8px;vertical-align:middle}

/* ---------- CTA ---------- */
.cta-wrap{
  position:relative;border-radius:var(--radius-l);overflow:hidden;
  background:linear-gradient(120deg,#10201F 0%,#123532 55%,#0F4C4A 100%);
  color:#fff;padding:56px 52px;
}
.cta-wrap::before{
  content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(123,211,137,.28),transparent 68%);
}
.cta-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.cta-inner h2{font-size:30px;margin-bottom:14px}
.cta-inner p{color:rgba(255,255,255,.78);font-size:15px;max-width:46em}
.cta-form{display:flex;gap:12px;flex-wrap:wrap}
.cta-form input{
  flex:1 1 210px;min-width:0;padding:14px 18px;border-radius:var(--radius-s);
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);color:#fff;
  font-size:15px;transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.cta-form input::placeholder{color:rgba(255,255,255,.55)}
.cta-form input:focus{outline:none;border-color:var(--lime);background:rgba(255,255,255,.14);box-shadow:0 0 0 2px rgba(123,211,137,.35)}
.cta-hint{margin-top:14px;font-size:13px;color:rgba(255,255,255,.6)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.76);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:32em}
.footer-keywords{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-keywords span{font-size:13px;padding:5px 12px;border-radius:var(--radius-pill);background:rgba(255,255,255,.08);color:rgba(255,255,255,.8)}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7);transition:color var(--ease)}
.footer-col a:hover{color:var(--accent-2)}
.footer-contact li{font-size:14px;line-height:1.75;color:rgba(255,255,255,.7)}
.footer-contact strong{color:#fff;margin-right:8px;font-weight:600}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero h1{font-size:42px}
  .split-row{gap:40px}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  :root{--section-gap:64px}
  .container{padding:0 24px}
  .menu-toggle{display:flex}
  .main-nav{
    display:none;position:absolute;left:0;right:0;top:100%;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:8px 18px 22px;border-bottom:1px solid var(--border);
    box-shadow:var(--shadow-2);
  }
  .site-header.nav-open .main-nav{display:flex}
  .nav-link{min-height:48px;font-size:16px;border-radius:0;padding:12px 6px;border-bottom:1px solid var(--border)}
  .nav-link::after{display:none}
  .nav-link.active{background:transparent}
  .nav-link.active::before{left:-6px}
  .header-actions{margin-left:auto}
  .hero .container{padding-top:60px;padding-bottom:70px}
  .hero h1{font-size:36px}
  .stat-band{margin-top:-32px}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .split-row{grid-template-columns:1fr;gap:28px}
  .split-row.reverse .split-media{order:0}
  .split-media .float-badge{right:12px;bottom:-14px}
  .card-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .steps{grid-template-columns:repeat(2,1fr);gap:18px}
  .section-head h2{font-size:26px}
  .cta-wrap{padding:40px 30px}
  .cta-inner{grid-template-columns:1fr;gap:26px}
  .cta-inner h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--section-gap:44px}
  .container{padding:0 18px}
  .brand{font-size:15px}
  .logo-mark{width:32px;height:32px;flex-basis:32px;font-size:16px}
  .header-inner{gap:12px;min-height:62px}
  .header-actions .btn-sm{padding:9px 16px;font-size:13px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15px}
  .hero-actions{gap:10px}
  .hero-actions .btn{padding:12px 22px;font-size:14px}
  .hero-meta{gap:14px;flex-direction:column;margin-top:26px}
  .stat-grid{grid-template-columns:1fr 1fr;gap:14px}
  .stat-num{font-size:30px}
  .stat-card{padding:18px 16px 16px 22px}
  .card-grid{grid-template-columns:1fr;gap:16px}
  .steps{grid-template-columns:1fr;gap:14px}
  .section-head{margin-bottom:24px}
  .section-head h2{font-size:23px}
  .faq-item summary{padding:14px 16px;font-size:15px}
  .faq-body{padding:16px 16px 18px}
  .rel-grid{grid-template-columns:1fr;gap:14px}
  .cta-wrap{padding:32px 20px;border-radius:var(--radius-m)}
  .cta-form input{flex:1 1 100%}
  .cta-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;gap:6px}
}