/* roulang page: index */
:root{
  --brand:#0F7A63;
  --brand-deep:#0A5546;
  --brand-soft:rgba(15,122,99,.10);
  --accent:#E8A33D;
  --accent-deep:#D9922B;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --ink:#16211F;
  --text:#3A4542;
  --muted:#6E7A76;
  --line:#E3E0D8;
  --dark:#0E1B18;
  --r-card:14px;
  --r-btn:999px;
  --r-input:10px;
  --shadow-soft:0 8px 24px rgba(14,27,24,.06);
  --shadow-hover:0 14px 34px rgba(14,27,24,.10);
  --container:1200px;
  --danger:#B4574A;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  padding-top:72px;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-deep)}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.28;font-weight:700}
p{margin:0 0 18px}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.wrap{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{max-width:720px;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,3vw,36px);position:relative;padding-left:16px;margin-bottom:14px}
.section-head h2::before{content:"";position:absolute;left:0;top:.22em;width:3px;height:1em;background:var(--brand);border-radius:2px}
.section-head p{color:var(--muted);font-size:16px;margin:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;color:var(--brand);background:var(--brand-soft);border-radius:6px;padding:6px 12px;margin-bottom:20px}

/* Header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:60;background:rgba(247,245,240,.96);border-bottom:1px solid var(--line);transition:box-shadow .2s ease,background .2s ease}
.site-header.scrolled{box-shadow:0 8px 24px rgba(14,27,24,.08);background:rgba(247,245,240,.99)}
.header-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:19px;letter-spacing:.5px}
.logo:hover{color:var(--brand-deep)}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:15px}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 14px;font-size:15px;color:var(--text);border-radius:8px;transition:color .16s ease,background .16s ease}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link.active{color:var(--brand);font-weight:500}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;background:var(--brand);border-radius:2px}
.header-actions{display:flex;align-items:center;gap:12px}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--ink);font-size:16px;align-items:center;justify-content:center}
.mobile-cta{display:none}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 26px;border-radius:var(--r-btn);font-size:15px;font-weight:500;border:1px solid transparent;transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease}
.btn i{font-size:13px;transition:transform .18s ease}
.btn-primary{background:var(--accent);color:#16211F;box-shadow:0 6px 16px rgba(232,163,61,.28)}
.btn-primary:hover{background:var(--accent-deep);color:#16211F;transform:translateY(-1px);box-shadow:0 12px 26px rgba(232,163,61,.34)}
.btn-primary:hover i{transform:translateX(2px)}
.btn-ghost{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-1px)}
.btn-sm{min-height:42px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--brand)}
.btn-link i{font-size:12px;transition:transform .18s ease}
.btn-link:hover i{transform:translateX(3px)}
.btn.is-disabled,.btn:disabled{background:#D9D4C8;color:#7C7669;box-shadow:none;cursor:not-allowed;transform:none}

/* Hero */
.hero{padding:64px 0 88px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:6fr 5fr;gap:48px;align-items:center}
.hero-copy h1{font-size:clamp(30px,4.2vw,52px);letter-spacing:-.5px;margin-bottom:18px}
.hero-sub{font-size:17px;color:var(--muted);max-width:520px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px}
.trust-bar{display:flex;flex-wrap:wrap;gap:22px;padding-top:22px;border-top:1px solid var(--line)}
.trust-bar li{display:flex;flex-direction:column;gap:2px;min-width:110px}
.trust-bar strong{font-size:17px;color:var(--ink);font-weight:700}
.trust-bar span{font-size:13px;color:var(--muted)}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-card);box-shadow:var(--shadow-soft)}
.hero-media::after{content:"";position:absolute;inset:0;border-radius:var(--r-card);background:linear-gradient(180deg,rgba(15,122,99,.10),rgba(15,122,99,0) 45%);pointer-events:none}
.hero-float{position:absolute;left:-14px;bottom:-24px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-soft);padding:14px 18px;display:flex;align-items:center;gap:14px}
.hero-float .num{font-size:26px;font-weight:700;color:var(--brand);line-height:1}
.hero-float .txt{font-size:12px;color:var(--muted);line-height:1.5}

/* Pain points */
.pain-grid{display:grid;grid-template-columns:4fr 7fr;gap:56px;align-items:start}
.pain-head h2{font-size:clamp(24px,3vw,34px);padding-left:16px;position:relative;margin-bottom:16px}
.pain-head h2::before{content:"";position:absolute;left:0;top:.22em;width:3px;height:1em;background:var(--brand);border-radius:2px}
.pain-head p{color:var(--muted);font-size:15px}
.pain-list li{border-bottom:1px solid var(--line)}
.pain-list li:first-child{border-top:1px solid var(--line)}
.pain-item{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;padding:22px 4px;transition:background .18s ease}
.pain-item:hover{background:rgba(255,255,255,.7)}
.pain-item h3{font-size:17px;font-weight:500;margin-bottom:6px}
.pain-item p{font-size:14px;color:var(--muted);margin:0}
.pain-arrow{flex:0 0 32px;width:32px;height:32px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:12px;transition:transform .18s ease,border-color .18s ease,background .18s ease}
.pain-item:hover .pain-arrow{transform:translateX(3px);border-color:rgba(15,122,99,.35);background:var(--brand-soft)}

/* Plans */
.plans-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:36px}
.plans-head h2{font-size:clamp(24px,3vw,36px);padding-left:16px;position:relative}
.plans-head h2::before{content:"";position:absolute;left:0;top:.22em;width:3px;height:1em;background:var(--brand);border-radius:2px}
.plans-head p{color:var(--muted);font-size:15px;margin:10px 0 0;max-width:560px}
.plan-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.plan-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-soft);padding:24px;display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.plan-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(15,122,99,.25)}
.plan-a{grid-column:span 5}
.plan-b{grid-column:span 7}
.plan-c{grid-column:span 7}
.plan-d{grid-column:span 5}
.plan-card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:12px;margin-bottom:20px}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:500;color:var(--brand);background:var(--brand-soft);border-radius:6px;padding:4px 10px;line-height:1.6}
.plan-card h3{font-size:20px;margin:14px 0 10px}
.plan-card p{font-size:15px;color:var(--muted);margin-bottom:18px}
.plan-card .btn-link{margin-top:auto}

/* Steps */
.steps{margin-top:40px;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:32px;box-shadow:var(--shadow-soft)}
.step{display:flex;gap:14px;align-items:flex-start}
.step-num{font-size:20px;font-weight:700;color:var(--brand);background:var(--brand-soft);border-radius:10px;width:46px;height:46px;display:flex;align-items:center;justify-content:center;flex:0 0 46px}
.step h4{font-size:16px;margin-bottom:6px}
.step p{font-size:14px;color:var(--muted);margin:0}

/* Stats */
.stats{background:var(--dark);padding:88px 0;color:#D7DEDA}
.stats h2{color:#fff;font-size:clamp(24px,3vw,34px);margin-bottom:12px}
.stats-head{max-width:640px;margin-bottom:44px}
.stats-head p{color:rgba(215,222,218,.78);font-size:15px;margin:0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{border-left:2px solid rgba(232,163,61,.6);padding-left:18px}
.stat-num{font-size:clamp(30px,3.4vw,42px);font-weight:700;color:#fff;line-height:1.1;letter-spacing:-.5px}
.stat-num span{font-size:.5em;color:var(--accent);margin-left:4px;font-weight:500}
.stat p{font-size:13px;color:rgba(215,222,218,.72);margin:10px 0 0}
.stats-note{font-size:12px;color:rgba(215,222,218,.58);margin:36px 0 0;border-top:1px solid rgba(255,255,255,.12);padding-top:18px}

/* CMS list */
.posts-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:36px}
.posts-head h2{font-size:clamp(24px,3vw,36px);padding-left:16px;position:relative}
.posts-head h2::before{content:"";position:absolute;left:0;top:.22em;width:3px;height:1em;background:var(--brand);border-radius:2px}
.posts-head p{color:var(--muted);font-size:15px;margin:10px 0 0}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-soft);display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(15,122,99,.25)}
.post-thumb{display:block;position:relative}
.post-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover}
.post-body{padding:20px;display:flex;flex-direction:column;flex:1}
.post-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted);margin-bottom:12px}
.post-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line)}
.post-body h3{font-size:18px;line-height:1.45;margin-bottom:10px}
.post-body h3 a{color:var(--ink)}
.post-body h3 a:hover{color:var(--brand)}
.post-body p{font-size:14px;color:var(--muted);margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body .btn-link{margin-top:auto}
.empty-state{grid-column:1/-1;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:32px;text-align:center}
.empty-state i{font-size:40px;color:#C7C2B6}
.empty-state p{color:var(--muted);font-size:15px;margin:0}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:14px;overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease}
.faq-item.open{border-color:rgba(15,122,99,.3);box-shadow:var(--shadow-soft)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;background:none;border:0;text-align:left;padding:20px 22px;font-size:16px;font-weight:500;color:var(--ink);min-height:60px}
.faq-q span.faq-icon{flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:12px;transition:transform .2s ease}
.faq-item.open .faq-icon{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-a-inner{border-left:3px solid var(--brand);margin:0 22px 20px;padding:0 0 0 16px}
.faq-a-inner p{font-size:15px;color:var(--text);margin:0;line-height:1.85}

/* Lead */
.lead-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.lead-grid{display:grid;grid-template-columns:5fr 6fr;gap:56px;align-items:start}
.lead-copy h2{font-size:clamp(24px,3vw,34px);padding-left:16px;position:relative;margin-bottom:16px}
.lead-copy h2::before{content:"";position:absolute;left:0;top:.22em;width:3px;height:1em;background:var(--brand);border-radius:2px}
.lead-copy p{color:var(--muted);font-size:15px}
.lead-points{margin-top:24px;display:grid;gap:14px}
.lead-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text)}
.lead-points i{color:var(--brand);margin-top:6px;font-size:13px}
.lead-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-soft);padding:28px}
.form-row{margin-bottom:18px}
.form-row label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px;font-weight:500}
.form-row input,.form-row textarea{width:100%;border:1px solid var(--line);border-radius:var(--r-input);background:#FCFBF8;padding:13px 14px;font-size:15px;color:var(--ink);font-family:inherit;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease}
.form-row input{height:48px}
.form-row textarea{min-height:112px;resize:vertical;line-height:1.7}
.form-row input:focus,.form-row textarea:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(15,122,99,.15)}
.agree-row{display:flex;align-items:flex-start;gap:8px;font-size:13px;color:var(--muted);margin:16px 0 18px;line-height:1.6}
.agree-row input{width:16px;height:16px;margin-top:3px;accent-color:var(--brand);flex:0 0 16px}
.form-tip{display:none;margin-top:14px;font-size:13px;color:var(--brand);background:var(--brand-soft);border-radius:8px;padding:10px 12px}
.form-tip.show{display:block}

/* Float button & modal */
.float-btn{position:fixed;right:24px;bottom:24px;z-index:70;display:inline-flex;align-items:center;gap:10px;background:var(--brand);color:#fff;border:0;border-radius:var(--r-btn);min-height:52px;padding:0 22px;font-size:15px;font-weight:500;box-shadow:0 12px 28px rgba(10,85,70,.28);transition:transform .18s ease,background .18s ease}
.float-btn:hover{background:var(--brand-deep);transform:translateY(-2px)}
.modal-mask{position:fixed;inset:0;z-index:90;background:rgba(14,27,24,.45);backdrop-filter:blur(12px);display:none;align-items:center;justify-content:center;padding:24px}
.modal-mask.open{display:flex}
.modal-box{position:relative;width:100%;max-width:520px;max-height:88vh;overflow:auto;background:#fff;border-radius:var(--r-card);box-shadow:0 28px 60px rgba(14,27,24,.24);padding:28px}
.modal-box h3{font-size:20px;margin-bottom:6px}
.modal-box > p{font-size:14px;color:var(--muted);margin-bottom:20px}
.modal-close{position:absolute;top:14px;right:14px;width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--muted);display:flex;align-items:center;justify-content:center;font-size:14px;transition:background .18s ease,color .18s ease}
.modal-close:hover{background:var(--brand-soft);color:var(--brand)}

/* Footer */
.site-footer{background:var(--dark);color:rgba(215,222,218,.78);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .logo:hover{color:#fff}
.footer-brand p{font-size:14px;line-height:1.8;margin-bottom:16px;color:rgba(215,222,218,.7)}
.footer-contact{font-size:14px;color:rgba(215,222,218,.7);display:grid;gap:8px}
.footer-contact span{display:flex;align-items:center;gap:8px}
.footer-contact i{color:var(--accent);font-size:13px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:500}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:rgba(215,222,218,.72);font-size:14px}
.footer-col a:hover{color:var(--accent)}
.footer-col p{font-size:13px;color:rgba(215,222,218,.6);line-height:1.8;margin:0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12px;color:rgba(215,222,218,.55)}

@media (max-width:1023px){
  body{padding-top:60px}
  .header-inner{height:60px}
  .main-nav{position:fixed;top:60px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-soft);flex-direction:column;align-items:stretch;gap:4px;padding:12px 20px 20px;display:none}
  .main-nav.open{display:flex}
  .nav-link{padding:12px 10px;font-size:15px;border-radius:8px}
  .nav-link.active::after{display:none}
  .nav-link.active{background:var(--brand-soft);font-weight:500}
  .menu-toggle{display:inline-flex}
  .header-actions .btn-sm{display:none}
  .mobile-cta{display:block;margin-top:10px}
  .mobile-cta .btn{width:100%}
  .hero{padding:40px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-float{left:12px;bottom:-18px;padding:12px 14px}
  .pain-grid{grid-template-columns:1fr;gap:28px}
  .plan-grid{grid-template-columns:1fr 1fr}
  .plan-a,.plan-b,.plan-c,.plan-d{grid-column:span 1}
  .steps{grid-template-columns:1fr;padding:24px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:28px}
  .post-grid{grid-template-columns:1fr 1fr}
  .lead-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:639px){
  .wrap{padding:0 20px}
  .section{padding:64px 0}
  .section-tight{padding:56px 0}
  .hero-copy h1{font-size:30px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{flex:1 1 100%}
  .trust-bar{gap:16px}
  .trust-bar li{min-width:calc(50% - 8px)}
  .plan-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr;gap:22px}
  .post-grid{grid-template-columns:1fr}
  .lead-card{padding:22px}
  .footer-grid{grid-template-columns:1fr}
  .float-btn{left:16px;right:16px;bottom:16px;justify-content:center;min-height:48px}
  .modal-box{padding:22px}
  .stats{padding:64px 0}
}

/* roulang page: article */
:root{
  --primary:#0F7A63;
  --primary-deep:#0A5546;
  --primary-soft:#E9F4F1;
  --accent:#E8A33D;
  --accent-deep:#D8912A;
  --bg:#F7F5F0;
  --ink:#0E1B18;
  --title:#16211F;
  --text:#3A4542;
  --muted:#6E7A76;
  --line:#E3E0D8;
  --white:#FFFFFF;
  --r-card:14px;
  --r-img:12px;
  --r-input:10px;
  --shadow-sm:0 2px 8px rgba(14,27,24,.04);
  --shadow:0 8px 24px rgba(14,27,24,.06);
  --shadow-lg:0 16px 40px rgba(14,27,24,.10);
  --ease:180ms 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","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--primary-deep);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--title);line-height:1.3;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px;}

/* ============ 容器 ============ */
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.narrow{max-width:780px;margin-left:auto;margin-right:auto;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,240,.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,background .25s ease,border-color .25s ease;
}
.site-header.scrolled{
  background:rgba(255,255,255,.97);
  box-shadow:0 10px 28px rgba(14,27,24,.08);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;color:var(--title);letter-spacing:.4px;
  white-space:nowrap;
}
.logo:hover{color:var(--title);}
.logo-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 34px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary);color:#fff;font-size:15px;
}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 14px;font-size:15px;color:var(--text);border-radius:999px;
  transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--primary);background:var(--primary-soft);}
.nav-link.active{color:var(--primary);font-weight:500;}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--primary);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:10px;}
.mobile-cta{display:none;}
.menu-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:10px;
  background:var(--white);border:1px solid var(--line);color:var(--title);
  font-size:16px;cursor:pointer;transition:background var(--ease),border-color var(--ease);
}
.menu-toggle:hover{background:var(--primary-soft);border-color:var(--primary);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:999px;
  font-size:15px;font-weight:500;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--accent);color:var(--ink);box-shadow:0 6px 16px rgba(232,163,61,.28);}
.btn-primary:hover{background:var(--accent-deep);color:var(--ink);transform:translateY(-1px);box-shadow:0 12px 26px rgba(232,163,61,.34);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(232,163,61,.28);}
.btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary);}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-deep);transform:translateY(-1px);}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px;}
.btn-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:500;color:var(--primary);
}
.btn-link i{transition:transform var(--ease);}
.btn-link:hover i{transform:translateX(3px);}

/* ============ 面包屑 + 文章头部 ============ */
.article-hero{
  padding:34px 0 6px;
  background:linear-gradient(180deg,#F1F6F4 0%,rgba(247,245,240,0) 100%);
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#BFC6C2;}
.breadcrumb .current{color:var(--text);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:6px;
  background:rgba(15,122,99,.10);color:var(--primary);
  font-size:12.5px;font-weight:500;letter-spacing:.2px;
}
.badge-accent{background:rgba(232,163,61,.16);color:#8A5B12;}
.article-head{margin-top:22px;}
.article-head h1{
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.3;letter-spacing:-.4px;
  margin:14px 0 18px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;
  font-size:13.5px;color:var(--muted);
  padding-bottom:22px;
  border-bottom:1px solid var(--line);
}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:#C6CDC9;display:inline-block;}
.article-meta i{color:var(--primary);margin-right:5px;}

/* ============ 正文 ============ */
.article-section{padding:36px 0 8px;}
.article-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow);
  padding:44px 48px;
}
.article-body{max-width:780px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--text);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 20px;}
.article-body h2{
  font-size:clamp(20px,2.4vw,26px);
  margin:40px 0 16px;padding-left:14px;
  border-left:3px solid var(--primary);
  line-height:1.4;
}
.article-body h3{font-size:19px;margin:28px 0 12px;line-height:1.45;}
.article-body h4{font-size:17px;margin:24px 0 10px;}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 20px;}
.article-body li{line-height:1.85;margin-bottom:8px;}
.article-body li::marker{color:var(--primary);}
.article-body blockquote{
  margin:0 0 20px;padding:16px 20px;
  border-left:4px solid var(--primary);
  background:#F2F7F5;border-radius:0 10px 10px 0;
  color:#2C3A36;font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:24px 0;width:100%;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:36px 0;}
.article-body strong{color:var(--title);font-weight:700;}
.article-body table{
  display:block;width:100%;overflow-x:auto;
  border-collapse:collapse;font-size:15px;margin:0 0 20px;
}
.article-body th,.article-body td{
  border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap;
}
.article-body th{background:#F4F7F5;color:var(--title);font-weight:500;}
.article-body pre{
  overflow-x:auto;background:var(--ink);color:#E7EFEC;
  padding:16px 18px;border-radius:10px;font-size:14px;line-height:1.7;margin:0 0 20px;
}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.94em;background:#F1F4F2;padding:1px 6px;border-radius:5px;color:var(--primary-deep);}
.article-body pre code{background:transparent;color:inherit;padding:0;}

/* ============ 空态 ============ */
.empty-state{
  max-width:520px;margin:0 auto;padding:32px 20px;text-align:center;
}
.empty-state .empty-icon{
  width:52px;height:52px;margin:0 auto 16px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:#F0F2F0;color:#A7B0AC;font-size:20px;
}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:18px;}

/* ============ 相关推荐 ============ */
.related-section{padding:64px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);
  padding-left:14px;border-left:3px solid var(--primary);line-height:1.35;
}
.section-head p{font-size:14px;color:var(--muted);margin-top:8px;padding-left:17px;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.related-card{
  display:flex;flex-direction:column;
  background:var(--white);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:rgba(15,122,99,.25);}
.related-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E9EDEA;}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.related-card:hover .related-thumb img{transform:scale(1.04);}
.related-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.related-body h3{font-size:16.5px;line-height:1.5;font-weight:500;}
.related-card:hover .related-body h3{color:var(--primary-deep);}
.related-date{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;letter-spacing:.3px;}
.related-more{margin-top:auto;font-size:13.5px;color:var(--primary);display:inline-flex;align-items:center;gap:6px;}
.related-more i{transition:transform var(--ease);}
.related-card:hover .related-more i{transform:translateX(3px);}
.back-row{margin-top:36px;display:flex;justify-content:center;}

/* ============ 线索表单 ============ */
.lead-section{padding:80px 0;}
.lead-panel{
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;
  background:var(--primary-soft);
  border:1px solid rgba(15,122,99,.14);
  border-radius:var(--r-card);
  padding:48px;
}
.lead-copy h2{font-size:clamp(22px,2.6vw,32px);line-height:1.35;margin-bottom:16px;}
.lead-copy > p{font-size:16px;color:var(--text);margin-bottom:24px;}
.lead-points{list-style:none;display:flex;flex-direction:column;gap:14px;}
.lead-points li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:#2F3D39;}
.lead-points i{color:var(--primary);margin-top:5px;font-size:13px;}
.form-card{
  background:var(--white);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--shadow);padding:28px;
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px;}
.field input,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;
  font-family:inherit;font-size:15px;color:var(--title);
  border:1px solid var(--line);border-radius:var(--r-input);
  background:var(--white);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{min-height:118px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(15,122,99,.15);
}
.field input::placeholder,.field textarea::placeholder{color:#A9B2AE;}
.consent{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);line-height:1.65;margin:4px 0 18px;}
.consent input{width:16px;height:16px;margin-top:2px;accent-color:var(--primary);flex:0 0 16px;}
.form-submit{width:100%;}
.form-submit:disabled{opacity:.55;filter:saturate(.45);cursor:not-allowed;transform:none;box-shadow:none;}
.form-note{margin-top:14px;font-size:13px;color:var(--primary-deep);display:none;}
.form-note.show{display:block;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#C8D2CE;padding:64px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.site-footer .logo{color:#FFFFFF;font-size:18px;margin-bottom:16px;}
.site-footer .logo:hover{color:#FFFFFF;}
.footer-brand p{font-size:14px;line-height:1.85;color:#9FB0AA;max-width:320px;}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:#9FB0AA;}
.footer-contact i{color:var(--accent);margin-right:8px;width:14px;}
.footer-col h4{color:#FFFFFF;font-size:15px;margin-bottom:16px;font-weight:500;}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:#A9B7B2;font-size:14px;}
.footer-col a:hover{color:var(--accent);}
.footer-col p{font-size:13.5px;line-height:1.85;color:#93A29D;}
.footer-bottom{
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12px;color:#7F8F8A;letter-spacing:.2px;
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .main-nav{
    position:absolute;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:var(--white);border-bottom:1px solid var(--line);
    box-shadow:var(--shadow);padding:12px 24px 20px;display:none;
  }
  .main-nav.open{display:flex;}
  .nav-link{padding:13px 10px;border-radius:10px;font-size:15px;}
  .nav-link.active::after{display:none;}
  .nav-link.active{background:var(--primary-soft);}
  .mobile-cta{display:block;margin-top:12px;}
  .mobile-cta .btn{width:100%;}
  .header-actions .btn{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-inner{height:60px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .lead-panel{grid-template-columns:1fr;gap:32px;padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .article-card{padding:34px 30px;}
}
@media (max-width:767px){
  .wrap{padding:0 20px;}
  .article-hero{padding:24px 0 4px;}
  .article-head h1{margin:12px 0 16px;}
  .article-card{padding:26px 20px;border-radius:12px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{margin-top:32px;}
  .related-section{padding:48px 0 0;}
  .related-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .lead-section{padding:56px 0;}
  .lead-panel{padding:26px 20px;border-radius:12px;}
  .form-card{padding:22px 18px;}
  .site-footer{padding:48px 0 22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media (max-width:519px){
  .logo{font-size:17px;}
  .logo-mark{width:30px;height:30px;flex:0 0 30px;font-size:13px;}
  .btn{font-size:14px;padding:11px 20px;}
  .article-meta{font-size:12.5px;gap:8px 12px;}
  .target-none{display:none;}
}

/* roulang page: category1 */
:root{
  --primary:#0F7A63;
  --primary-deep:#0A5546;
  --accent:#E8A33D;
  --accent-deep:#DF9A2F;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --ink:#0E1B18;
  --title:#16211F;
  --text:#3A4542;
  --muted:#6E7A76;
  --line:#E3E0D8;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 8px 24px rgba(14,27,24,.06);
  --shadow-hover:0 14px 32px rgba(14,27,24,.11);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .16s ease}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--title);line-height:1.3;font-weight:700}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
button{font-family:inherit}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:500;line-height:1;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn i{font-size:13px;transition:transform .18s ease}
.btn-primary{background:var(--accent);color:#0E1B18;box-shadow:0 6px 16px rgba(232,163,61,.28)}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-1px);box-shadow:0 10px 24px rgba(232,163,61,.34)}
.btn-primary:hover i{transform:translateX(3px)}
.btn-primary:disabled{background:#D9CEB9;color:#7C7365;box-shadow:none;cursor:not-allowed;transform:none}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:rgba(15,122,99,.08);transform:translateY(-1px)}
.btn-ghost-light{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.04)}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);transform:translateY(-1px)}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--primary)}
.btn-link i{font-size:12px;transition:transform .16s ease}
.btn-link:hover i{transform:translateX(3px)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,240,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background .2s ease;
}
.site-header.scrolled{background:rgba(255,255,255,.97);box-shadow:0 6px 20px rgba(14,27,24,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--title);letter-spacing:.2px}
.logo:hover{color:var(--primary)}
.logo-mark{
  width:32px;height:32px;border-radius:9px;background:var(--primary);color:#fff;
  display:grid;place-items:center;font-size:15px;flex:0 0 32px;
}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;min-height:44px;
  padding:0 12px;border-radius:8px;font-size:15px;color:var(--text);transition:color .16s ease,background .16s ease;
}
.nav-link:hover{color:var(--primary);background:rgba(15,122,99,.06)}
.nav-link.active{color:var(--primary);font-weight:500}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;border-radius:2px;background:var(--primary);
}
.header-actions{display:flex;align-items:center;gap:10px}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--title);cursor:pointer;place-items:center;font-size:17px;
}
.menu-toggle:hover{border-color:rgba(15,122,99,.35);color:var(--primary)}
.mobile-cta{display:none}

/* ---------- 内页 Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--ink)}
.page-hero .hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.52}
.page-hero .hero-veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(10,27,24,.9) 0%,rgba(10,27,24,.62) 55%,rgba(10,27,24,.42) 100%)}
.hero-inner{position:relative;z-index:2;padding:84px 0 110px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px;flex-wrap:wrap}
.crumbs a{color:rgba(255,255,255,.86)}
.crumbs a:hover{color:#fff}
.crumbs .sep{color:rgba(255,255,255,.4)}
.crumbs .now{color:rgba(255,255,255,.66)}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(232,163,61,.16);color:#F5D9A4;font-size:13px;letter-spacing:.3px;margin-bottom:18px;
  border:1px solid rgba(232,163,61,.4);
}
.page-hero h1{
  color:#fff;font-size:clamp(26px,3.6vw,42px);line-height:1.28;max-width:19em;letter-spacing:.4px;
}
.hero-sub{color:rgba(255,255,255,.82);font-size:16px;line-height:1.85;margin-top:18px;max-width:44em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}

/* ---------- 数据条 ---------- */
.stat-strip{
  position:relative;z-index:6;margin-top:-56px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);
  display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden;
}
.stat-item{padding:26px 24px;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-num{font-size:28px;font-weight:700;color:var(--primary);line-height:1.2;letter-spacing:.5px}
.stat-num span{font-size:15px;font-weight:500;color:var(--muted);margin-left:4px}
.stat-label{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.6}
.stat-note{font-size:12px;color:var(--muted);margin-top:18px;line-height:1.7}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0}
.section.tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{
  font-size:clamp(24px,3vw,34px);padding-left:16px;position:relative;letter-spacing:.3px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;border-radius:3px;background:var(--primary);
}
.section-head p{margin-top:14px;font-size:16px;color:var(--muted);line-height:1.85}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center h2{padding-left:0}
.section-head.center h2::before{display:none}

/* ---------- 六宫格 ---------- */
.grid-6{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scheme-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;box-shadow:var(--shadow);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  display:flex;flex-direction:column;
}
.scheme-card:hover{transform:translateY(-2px);border-color:rgba(15,122,99,.28);box-shadow:var(--shadow-hover)}
.card-top{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.card-icon{
  width:42px;height:42px;border-radius:11px;background:rgba(15,122,99,.1);color:var(--primary);
  display:grid;place-items:center;font-size:17px;flex:0 0 42px;
}
.card-num{font-size:12px;font-weight:500;color:var(--muted);letter-spacing:1px}
.scheme-card h3{font-size:19px;margin-bottom:10px}
.scheme-card p{font-size:15px;color:var(--text);line-height:1.85;margin-bottom:18px;flex:1}
.badge{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:6px;
  background:rgba(15,122,99,.1);color:var(--primary);font-size:12px;font-weight:500;letter-spacing:.2px;
}
.badge.amber{background:rgba(232,163,61,.16);color:#8A5B0B}
.card-tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}

/* ---------- 图文两栏 ---------- */
.split{display:grid;grid-template-columns:1fr 1.02fr;gap:56px;align-items:center}
.split-media{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split-media .media-tag{
  position:absolute;left:16px;bottom:16px;background:rgba(255,255,255,.94);color:var(--title);
  font-size:13px;padding:8px 14px;border-radius:999px;box-shadow:0 4px 14px rgba(14,27,24,.14);
}
.split-body h2{font-size:clamp(24px,3vw,32px);margin-bottom:18px}
.split-body p{font-size:16px;color:var(--text);line-height:1.9;margin-bottom:16px}
.check-list{margin-top:24px;display:grid;gap:12px}
.check-list li{display:flex;gap:10px;font-size:15px;color:var(--text);line-height:1.8}
.check-list li i{color:var(--primary);font-size:13px;margin-top:9px;flex:0 0 13px}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow);position:relative;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(15,122,99,.24)}
.step-num{font-size:13px;font-weight:700;color:var(--primary);letter-spacing:1.4px;margin-bottom:12px}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);line-height:1.8;margin:0}

/* ---------- CTA 横条 ---------- */
.cta-band{background:var(--primary);border-radius:var(--radius);padding:44px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;box-shadow:0 16px 40px rgba(15,122,99,.2)}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,28px);margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.82);font-size:15px;line-height:1.8;margin:0;max-width:36em}
.cta-band .btn{flex:0 0 auto}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease}
.faq-item:hover{border-color:rgba(15,122,99,.24)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:500;color:var(--title);min-height:44px;line-height:1.7;
}
.faq-q:hover{color:var(--primary)}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 18px;transition:transform .2s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--primary);border-radius:2px}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;transition:opacity .2s ease,transform .2s ease}
.faq-item.open .faq-icon{transform:rotate(180deg)}
.faq-item.open .faq-icon::after{opacity:0;transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a-inner{
  padding:0 24px 22px 24px;font-size:15px;color:var(--text);line-height:1.85;
  border-left:3px solid transparent;margin-left:0;
}
.faq-item.open .faq-a-inner{border-left-color:var(--primary);padding-left:22px}

/* ---------- 表单 ---------- */
.lead-wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:start}
.lead-info h2{font-size:clamp(24px,3vw,32px);margin-bottom:16px}
.lead-info p{font-size:16px;color:var(--text);line-height:1.9}
.lead-points{margin-top:26px;display:grid;gap:14px}
.lead-points li{display:flex;gap:12px;font-size:15px;color:var(--text);line-height:1.8}
.lead-points li i{color:var(--primary);margin-top:8px;font-size:13px;flex:0 0 13px}
.lead-form{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px;box-shadow:var(--shadow);
}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;
  color:var(--title);font-size:15px;font-family:inherit;line-height:1.7;
  padding:12px 14px;min-height:48px;transition:border-color .16s ease,box-shadow .16s ease;
}
.field textarea{min-height:112px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#A7B0AC}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,122,99,.15);
}
.agree{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);line-height:1.7;margin:4px 0 18px}
.agree input{width:16px;height:16px;margin-top:3px;accent-color:var(--primary);flex:0 0 16px}
.form-hint{font-size:13px;color:var(--muted);margin-top:14px;line-height:1.7}
.form-hint.is-error{color:#B0523F}
.form-hint.is-ok{color:var(--primary)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:26em}
.footer-contact{display:grid;gap:10px;margin-top:20px;font-size:13px;color:rgba(255,255,255,.58)}
.footer-contact i{color:var(--accent);margin-right:8px;font-size:12px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:500}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.68)}
.footer-col ul a:hover{color:#8FD8C4}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.48);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .header-inner{height:60px}
  .main-nav{
    position:fixed;top:0;right:0;height:100dvh;width:min(330px,88vw);
    background:#fff;flex-direction:column;align-items:stretch;gap:4px;
    padding:84px 20px 28px;transform:translateX(105%);
    transition:transform .24s ease;box-shadow:-12px 0 32px rgba(14,27,24,.14);
    z-index:90;overflow-y:auto;
  }
  .main-nav.open{transform:translateX(0)}
  .nav-link{min-height:48px;padding:0 12px;font-size:16px;border-radius:10px}
  .nav-link.active::after{display:none}
  .nav-link.active{background:rgba(15,122,99,.09)}
  .mobile-cta{display:block;margin-top:20px;padding-top:16px;border-top:1px solid var(--line)}
  .mobile-cta .btn{width:100%}
  .header-actions .btn-sm{display:none}
  .menu-toggle{display:grid}
  .section{padding:72px 0}
  .grid-6{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:36px}
  .lead-wrap{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:36px}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2){border-right:0}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line)}
  .cta-band{padding:36px 32px}
}
@media (max-width:640px){
  .wrap{padding:0 20px}
  .hero-inner{padding:56px 0 96px}
  .grid-6{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:1fr}
  .stat-item{border-right:0;border-bottom:1px solid var(--line);padding:20px}
  .stat-item:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .section{padding:64px 0}
  .cta-band{padding:28px 22px;gap:22px}
  .cta-band .btn{width:100%}
  .lead-form{padding:24px 20px}
  .footer-bottom{flex-direction:column;gap:8px}
  .scheme-card{padding:24px 20px}
  .hero-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --primary:#0F7A63;
  --primary-dark:#0A5546;
  --primary-soft:rgba(15,122,99,.08);
  --accent:#E8A33D;
  --accent-dark:#D8942F;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --ink:#16211F;
  --body:#3A4542;
  --muted:#6E7A76;
  --line:#E3E0D8;
  --dark:#0E1B18;
  --r-card:14px;
  --r-btn:999px;
  --r-input:10px;
  --r-img:12px;
  --shadow:0 8px 24px rgba(14,27,24,.06);
  --shadow-hover:0 14px 32px rgba(14,27,24,.10);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
html body{
  margin:0;
  background:var(--bg);
  color:var(--body);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.28;font-weight:700;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
a{color:var(--primary);text-decoration:none;transition:color .16s ease;}
a:hover{color:var(--primary-dark);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px;}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:500;line-height:1.2;min-height:44px;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
  cursor:pointer;text-align:center;
}
.btn i{font-size:13px;transition:transform .18s ease;}
.btn-primary{background:var(--accent);color:var(--dark);box-shadow:0 6px 16px rgba(232,163,61,.28);}
.btn-primary:hover{background:var(--accent-dark);color:var(--dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(232,163,61,.36);}
.btn-primary:hover i{transform:translateX(2px);}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary-soft);color:var(--primary-dark);transform:translateY(-1px);}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);color:#fff;}
.btn-sm{padding:10px 20px;font-size:14px;min-height:40px;}
.btn-block{width:100%;}
.btn-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;color:var(--primary);}
.btn-link i{font-size:12px;transition:transform .18s ease;}
.btn-link:hover i{transform:translateX(2px);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,240,.94);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background .2s ease;
  backdrop-filter:saturate(180%) blur(10px);
}
.site-header.scrolled{background:rgba(247,245,240,.99);box-shadow:0 8px 24px rgba(14,27,24,.09);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.2px;}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:36px;height:36px;border-radius:10px;background:var(--primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;
  box-shadow:0 6px 14px rgba(15,122,99,.24);
}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 12px;font-size:15px;color:var(--body);border-radius:10px;
  transition:color .16s ease,background .16s ease;white-space:nowrap;
}
.nav-link:hover{color:var(--primary);background:var(--primary-soft);}
.nav-link.active{color:var(--primary);font-weight:500;}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  border-radius:2px;background:var(--primary);
}
.header-actions{display:flex;align-items:center;gap:10px;}
.mobile-cta{display:none;}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:16px;align-items:center;justify-content:center;
  transition:background .18s ease,border-color .18s ease;
}
.menu-toggle:hover{background:var(--primary-soft);border-color:rgba(15,122,99,.3);}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(95deg,rgba(9,28,24,.92) 0%,rgba(9,28,24,.78) 52%,rgba(9,28,24,.46) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  padding:56px 0 60px;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:rgba(255,255,255,.14);
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px;}
.crumb a{color:rgba(255,255,255,.86);}
.crumb a:hover{color:#fff;}
.crumb .sep{color:rgba(255,255,255,.42);}
.crumb .current{color:rgba(255,255,255,.92);}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
  font-size:13px;color:#fff;margin-bottom:18px;
}
.hero-badge i{color:var(--accent);font-size:12px;}
.page-hero h1{
  color:#fff;font-size:clamp(26px,3.6vw,42px);line-height:1.26;max-width:880px;margin-bottom:16px;
  letter-spacing:.2px;
}
.page-hero .hero-sub{
  color:rgba(255,255,255,.88);font-size:clamp(15px,1.6vw,17px);max-width:720px;line-height:1.85;margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:12px 28px;padding-top:22px;border-top:1px solid rgba(255,255,255,.18);
  font-size:13.5px;color:rgba(255,255,255,.8);
}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;}
.hero-meta i{color:var(--accent);font-size:12px;}

/* ---------- 通用区块 ---------- */
.section{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:500;color:var(--primary);
  letter-spacing:.6px;margin-bottom:14px;
}
.eyebrow::before{content:"";width:24px;height:3px;border-radius:2px;background:var(--primary);}
.section-head.center .eyebrow{justify-content:center;}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.3;margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:15.5px;line-height:1.85;}

/* ---------- 卡片 ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow);transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.card:hover{border-color:rgba(15,122,99,.28);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:6px;
  background:rgba(15,122,99,.10);color:var(--primary);font-size:12.5px;font-weight:500;white-space:nowrap;
}
.tag-accent{background:rgba(232,163,61,.16);color:#96631A;}

/* ---------- 症状卡 ---------- */
.symptom-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.symptom-card{padding:24px 22px;border-radius:var(--r-card);}
.symptom-card .icon-box{
  width:44px;height:44px;border-radius:12px;background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:16px;
}
.symptom-card h3{font-size:17px;margin-bottom:8px;}
.symptom-card p{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0;}

/* ---------- 主体两栏 ---------- */
.layout-main{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:36px;align-items:start;}
.column-title{font-size:20px;margin-bottom:8px;}
.column-desc{font-size:14.5px;color:var(--muted);margin-bottom:22px;}

.item-list{border-top:1px solid var(--line);}
.item-row{
  display:grid;grid-template-columns:52px minmax(0,1fr) auto;gap:16px;align-items:flex-start;
  padding:22px 12px 22px 0;border-bottom:1px solid var(--line);
  transition:background .18s ease,padding-left .18s ease;
}
.item-row:hover{background:rgba(15,122,99,.045);padding-left:12px;border-radius:10px;}
.item-num{
  font-size:15px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;
  line-height:1.9;letter-spacing:.5px;
}
.item-row h3{font-size:17.5px;margin-bottom:6px;}
.item-row p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.8;}
.item-tags{display:flex;flex-direction:column;gap:8px;align-items:flex-end;padding-top:2px;}

/* ---------- 侧栏 ---------- */
.aside-card{
  position:sticky;top:96px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--shadow);overflow:hidden;
}
.aside-media{position:relative;aspect-ratio:16/9;overflow:hidden;}
.aside-media img{width:100%;height:100%;object-fit:cover;}
.aside-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,27,24,0) 40%,rgba(14,27,24,.55) 100%);
}
.aside-media .media-cap{
  position:absolute;left:16px;bottom:12px;z-index:2;color:#fff;font-size:12.5px;letter-spacing:.3px;
}
.aside-body{padding:22px;}
.aside-body h3{font-size:16px;margin-bottom:14px;}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--body);
  padding:9px 0;border-bottom:1px dashed rgba(227,224,216,.9);line-height:1.7;
}
.check-list li:last-child{border-bottom:none;}
.check-list i{color:var(--primary);font-size:13px;margin-top:7px;}
.aside-body .btn{margin-top:16px;}
.contact-box{
  margin-top:18px;padding:14px 16px;border-radius:12px;background:rgba(15,122,99,.06);
  font-size:13.5px;color:var(--body);line-height:1.8;
}
.contact-box strong{display:block;color:var(--ink);font-size:14px;margin-bottom:4px;font-weight:500;}
.contact-box .tel{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:500;margin-top:6px;}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:8px;}
.step{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--shadow);position:relative;
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.step:hover{border-color:rgba(15,122,99,.28);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.step-num{
  font-size:13px;font-weight:700;color:var(--primary);letter-spacing:1.4px;
  font-variant-numeric:tabular-nums;margin-bottom:14px;display:block;
}
.step h3{font-size:18px;margin-bottom:10px;}
.step p{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0;}

/* ---------- 数据区 ---------- */
.stats-band{background:var(--dark);color:#fff;padding:72px 0;}
.stats-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.stats-band .band-sub{color:rgba(255,255,255,.72);font-size:15px;max-width:720px;margin-bottom:36px;}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.stat-cell{border-top:2px solid rgba(232,163,61,.65);padding-top:18px;}
.stat-value{
  font-size:clamp(30px,3.6vw,42px);font-weight:700;color:#fff;line-height:1.15;
  font-variant-numeric:tabular-nums;letter-spacing:-.5px;
}
.stat-value small{font-size:15px;font-weight:500;color:var(--accent);margin-left:4px;}
.stat-label{font-size:13px;color:rgba(255,255,255,.66);margin-top:8px;line-height:1.7;}
.stats-note{
  margin-top:30px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);
  font-size:12px;color:rgba(255,255,255,.6);line-height:1.8;
}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:880px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item[open]{border-color:rgba(15,122,99,.3);box-shadow:var(--shadow-hover);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16.5px;font-weight:500;color:var(--ink);
  cursor:pointer;list-style:none;transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);}
.faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:var(--primary-soft);
  color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:12px;
  transition:transform .2s ease,background .2s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:rgba(15,122,99,.16);}
.faq-answer{
  padding:0 22px 20px 22px;border-left:3px solid var(--primary);margin-left:22px;
  padding-left:18px;font-size:15px;color:var(--body);line-height:1.85;
}
.faq-answer p{margin:0;}

/* ---------- 表单区 ---------- */
.lead-section{padding:72px 0 80px;}
.lead-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:44px;align-items:start;}
.lead-copy h2{font-size:clamp(24px,3vw,32px);margin-bottom:14px;}
.lead-copy > p{color:var(--muted);font-size:15.5px;line-height:1.85;margin-bottom:24px;}
.lead-points li{
  display:flex;gap:12px;align-items:flex-start;padding:12px 0;font-size:15px;
  border-bottom:1px solid var(--line);color:var(--body);
}
.lead-points li:last-child{border-bottom:none;}
.lead-points i{color:var(--primary);margin-top:6px;font-size:13px;}
.lead-form{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow);padding:28px;
}
.lead-form h3{font-size:18px;margin-bottom:6px;}
.lead-form .form-tip{font-size:13.5px;color:var(--muted);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-input);
  background:#FCFBF8;color:var(--ink);font-size:15px;font-family:inherit;
  padding:12px 14px;line-height:1.6;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field input{height:48px;}
.field textarea{min-height:112px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:#A6AFAB;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);background:#fff;
  box-shadow:0 0 0 3px rgba(15,122,99,.15);
}
.agree{
  display:flex;align-items:flex-start;gap:8px;font-size:13px;color:var(--muted);
  line-height:1.7;margin:14px 0 16px;
}
.agree input{width:16px;height:16px;margin-top:4px;accent-color:var(--primary);flex:0 0 auto;}
.lead-form button[type="submit"]:disabled{
  background:#DDD9CD;color:#8B948F;box-shadow:none;cursor:not-allowed;transform:none;
}
.form-msg{
  display:none;margin-top:14px;padding:12px 14px;border-radius:10px;
  background:rgba(15,122,99,.08);color:var(--primary-dark);font-size:14px;
}
.form-msg.show{display:block;}

/* ---------- 结尾 CTA 横条 ---------- */
.cta-band{
  background:linear-gradient(100deg,rgba(10,85,70,.96),rgba(15,122,99,.94));
  border-radius:var(--r-card);padding:34px 36px;color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  box-shadow:0 16px 36px rgba(10,85,70,.18);
}
.cta-band h2{color:#fff;font-size:clamp(20px,2.4vw,26px);margin-bottom:6px;}
.cta-band p{color:rgba(255,255,255,.82);font-size:14.5px;margin:0;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:60px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:36px;padding-bottom:40px;}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);margin-bottom:16px;max-width:320px;}
.footer-contact{display:flex;flex-direction:column;gap:8px;font-size:13.5px;color:rgba(255,255,255,.62);}
.footer-contact i{color:var(--accent);margin-right:8px;font-size:12px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px;font-weight:500;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.7);}
.footer-col ul li a:hover{color:var(--accent);}
.footer-col p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.6);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:18px 0 22px;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.52);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .header-inner{height:60px;}
  .menu-toggle{display:inline-flex;}
  .header-actions .btn-sm{display:none;}
  .main-nav{
    position:fixed;left:0;right:0;top:60px;z-index:79;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:14px 20px 20px;box-shadow:0 16px 32px rgba(14,27,24,.12);
    transform:translateY(-14px);opacity:0;pointer-events:none;
    transition:transform .2s ease,opacity .2s ease;
  }
  .main-nav.open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .nav-link{padding:13px 12px;font-size:15.5px;border-radius:10px;}
  .nav-link.active::after{left:12px;right:auto;width:26px;}
  .mobile-cta{display:block;margin-top:12px;}
  .mobile-cta .btn{width:100%;}
  .layout-main{grid-template-columns:minmax(0,1fr);gap:28px;}
  .aside-card{position:static;}
  .symptom-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:minmax(0,1fr);}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
  .lead-grid{grid-template-columns:minmax(0,1fr);gap:32px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .section{padding:52px 0;}
}
@media (max-width:640px){
  .wrap{padding:0 20px;}
  .page-hero{padding:40px 0 44px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .hero-meta{gap:10px;font-size:13px;}
  .symptom-grid{grid-template-columns:minmax(0,1fr);}
  .item-row{grid-template-columns:38px minmax(0,1fr);gap:12px;padding:18px 0;}
  .item-tags{grid-column:1 / -1;flex-direction:row;align-items:center;padding-top:4px;}
  .stats-grid{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding:26px 22px;flex-direction:column;align-items:flex-start;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .lead-form{padding:22px 18px;}
  .faq-answer{margin-left:14px;padding-left:14px;}
  .faq-item summary{padding:16px 18px;font-size:15.5px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}

/* roulang page: category3 */
:root{
  --primary:#0F7A63;
  --primary-deep:#0A5546;
  --accent:#E8A33D;
  --accent-deep:#D8912C;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --ink:#0E1B18;
  --title:#16211F;
  --text:#3A4542;
  --muted:#6E7A76;
  --border:#E3E0D8;
  --r-card:14px;
  --r-btn:999px;
  --r-input:10px;
  --r-img:12px;
  --shadow:0 8px 24px rgba(14,27,24,.06);
  --shadow-hover:0 14px 34px rgba(14,27,24,.10);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html body{
  margin:0;padding:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16px;line-height:1.8;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
body h1,body h2,body h3,body h4{margin:0;color:var(--title);font-weight:700;line-height:1.28}
body p{margin:0 0 16px}
body ul,body ol{margin:0;padding:0;list-style:none}
body img{display:block;max-width:100%}
body a{color:var(--primary);text-decoration:none;transition:color .16s ease,background .16s ease}
body button{font-family:inherit}
body a:focus-visible,body button:focus-visible,body input:focus-visible,body textarea:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px;width:100%}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.92);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease,background .2s ease,border-color .2s ease;
}
.site-header.scrolled{
  background:rgba(247,245,240,.98);
  border-bottom-color:var(--border);
  box-shadow:0 8px 24px rgba(14,27,24,.08);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--title);letter-spacing:.2px}
.logo:hover{color:var(--primary-deep)}
.logo-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--primary);color:#fff;font-size:15px;flex:0 0 auto}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 14px;border-radius:999px;color:var(--text);font-size:15px;font-weight:500}
.nav-link:hover{color:var(--primary);background:rgba(15,122,99,.07)}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{content:"";position:absolute;left:50%;bottom:4px;transform:translateX(-50%);width:22px;height:2px;border-radius:2px;background:var(--primary)}
.header-actions{display:flex;align-items:center;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border:1px solid transparent;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;line-height:1;cursor:pointer;
  transition:background .16s ease,color .16s ease,border-color .16s ease,transform .16s ease,box-shadow .16s ease;
}
.btn-primary{background:var(--accent);color:var(--ink);box-shadow:0 6px 16px rgba(232,163,61,.22)}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-1px);box-shadow:0 12px 26px rgba(232,163,61,.30)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:rgba(15,122,99,.08)}
.btn-sm{min-height:44px;padding:0 18px;font-size:14px}
.btn-lg{min-height:52px;padding:0 28px;font-size:16px}
.btn-block{width:100%}
.btn i{font-size:13px}
.mobile-cta{display:none}
.menu-toggle{
  display:none;place-items:center;width:44px;height:44px;
  border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--title);cursor:pointer;
  transition:border-color .16s ease,color .16s ease;
}
.menu-toggle:hover{border-color:rgba(15,122,99,.4);color:var(--primary)}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;isolation:isolate;color:#fff;
  padding:72px 0 64px;
  background:url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
}
.page-hero::before{content:"";position:absolute;inset:0;background:rgba(14,27,24,.74);z-index:-1}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px}
.crumbs a{color:rgba(255,255,255,.86)}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{color:rgba(255,255,255,.4)}
.crumbs .current{color:rgba(255,255,255,.72)}
.page-hero h1{
  font-size:clamp(26px,3.6vw,42px);line-height:1.25;color:#fff;max-width:880px;letter-spacing:.2px;
}
.page-hero .hero-sub{margin:18px 0 0;max-width:760px;font-size:16.5px;line-height:1.8;color:rgba(255,255,255,.82)}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:6px;font-size:13px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.20);color:#fff;
}
.hero-tag i{color:var(--accent);font-size:12px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-actions .btn-outline{border-color:rgba(255,255,255,.5);color:#fff}
.hero-actions .btn-outline:hover{background:rgba(255,255,255,.14)}

/* ---------- section ---------- */
.section{padding:96px 0}
.section.tight{padding:72px 0}
.section-head{max-width:820px;margin-bottom:36px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  padding:5px 12px;border-radius:6px;font-size:13px;font-weight:500;
  color:var(--primary);background:rgba(15,122,99,.10);
}
.section-title{position:relative;padding-left:18px;font-size:clamp(24px,3vw,36px)}
.section-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;background:var(--primary)}
.section-desc{margin-top:14px;font-size:16px;line-height:1.85;color:var(--muted)}

/* ---------- intro / compare ---------- */
.prose-block p{font-size:16.5px;line-height:1.88;color:var(--text);max-width:900px}
.prose-block p strong{color:var(--title);font-weight:700}
.compare{
  margin-top:40px;background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-card);box-shadow:var(--shadow);overflow:hidden;
}
.compare-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.compare-table{min-width:860px}
.compare-row{display:grid;grid-template-columns:210px 1fr 1.25fr;border-top:1px solid var(--border)}
.compare-row:first-child{border-top:0}
.compare-row.head{background:rgba(15,122,99,.08)}
.compare-row:nth-child(even){background:rgba(14,27,24,.015)}
.cell{padding:18px 20px;font-size:14.5px;line-height:1.72;border-left:1px solid var(--border);color:var(--text)}
.cell:first-child{
  border-left:0;font-weight:500;color:var(--title);
  position:sticky;left:0;z-index:2;background:var(--card);
  box-shadow:1px 0 0 var(--border);
}
.head .cell{font-size:14px;font-weight:700;color:var(--title)}
.head .cell:first-child{background:#E9F1EE}
.cell.plus{color:var(--primary-deep);font-weight:500}
.cell.plus i{color:var(--primary);margin-right:8px;font-size:12px}
.cell.minus{color:var(--muted)}
.compare-note{margin-top:14px;font-size:13px;color:var(--muted)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:44px}
.step{background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(15,122,99,.25)}
.step-num{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--primary)}
.step h3{font-size:17px;margin:10px 0 8px}
.step p{font-size:14px;line-height:1.75;color:var(--muted);margin:0}

/* ---------- scenes ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(15,122,99,.25)}
.scene-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.scene-body{padding:22px 22px 24px}
.scene-body h3{font-size:20px;margin-bottom:10px}
.scene-body p{font-size:15px;line-height:1.8;color:var(--muted);margin:0}
.scene-tag{display:inline-block;margin-bottom:12px;padding:4px 10px;border-radius:6px;font-size:12px;font-weight:500;color:var(--primary);background:rgba(15,122,99,.10)}

/* ---------- stats ---------- */
.stats{background:var(--ink);color:#fff;padding:76px 0}
.stats .section-title{color:#fff}
.stats .section-title::before{background:var(--accent)}
.stats .section-desc{color:rgba(255,255,255,.68)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:36px}
.stat-num{font-size:clamp(30px,4vw,44px);font-weight:700;line-height:1.15;color:#fff}
.stat-num span{font-size:16px;font-weight:500;color:var(--accent);margin-left:4px}
.stat-label{font-size:13px;color:rgba(255,255,255,.70);margin-top:8px;line-height:1.6}
.stat-note{font-size:12px;color:rgba(255,255,255,.52);margin-top:28px;line-height:1.8}

/* ---------- faq ---------- */
.faq-list{max-width:900px}
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{border-color:rgba(15,122,99,.28)}
.faq-item.open{border-color:rgba(15,122,99,.38);box-shadow:var(--shadow)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;min-height:56px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16.5px;font-weight:500;color:var(--title);line-height:1.6;
}
.faq-q:hover{color:var(--primary)}
.faq-q i{flex:0 0 auto;font-size:13px;color:var(--primary);transition:transform .2s ease}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-a-inner{
  margin:0 22px 18px;padding:14px 0 0 14px;
  border-left:3px solid var(--primary);border-top:1px solid var(--border);
  font-size:15px;line-height:1.85;color:var(--text);
}

/* ---------- lead ---------- */
.lead-section{padding:96px 0}
.lead-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:start}
.lead-points{margin-top:26px}
.lead-points li{display:flex;gap:12px;padding:16px 0;border-bottom:1px solid var(--border);font-size:15px;line-height:1.8}
.lead-points li:last-child{border-bottom:0}
.lead-points i{color:var(--primary);margin-top:6px;font-size:14px;flex:0 0 auto}
.lead-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--shadow);
}
.lead-card h3{font-size:20px;margin-bottom:6px}
.lead-card .form-hint{font-size:13px;color:var(--muted);margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:500;color:var(--muted);margin-bottom:8px}
.field input,.field textarea{
  width:100%;border:1px solid var(--border);border-radius:var(--r-input);
  background:#fff;color:var(--text);font-size:15px;font-family:inherit;
  transition:border-color .16s ease,box-shadow .16s ease;
}
.field input{height:48px;padding:0 14px}
.field textarea{min-height:116px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,122,99,.15)}
.checkline{display:flex;align-items:flex-start;gap:8px;font-size:13px;line-height:1.7;color:var(--muted);margin:4px 0 18px}
.checkline input{width:16px;height:16px;margin-top:3px;accent-color:var(--primary);flex:0 0 auto}
.btn.is-disabled{opacity:.55;cursor:not-allowed;box-shadow:none;transform:none;background:#D9C79E;color:#4A4433}
.btn.is-disabled:hover{background:#D9C79E;transform:none;box-shadow:none}
.form-note{margin-top:14px;font-size:13px;color:var(--primary-deep);min-height:20px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:40px}
.site-footer .logo{color:#fff}
.site-footer .logo:hover{color:var(--accent)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.64);margin:16px 0}
.footer-contact span{display:flex;align-items:flex-start;gap:8px;font-size:13px;color:rgba(255,255,255,.58);margin-top:8px;line-height:1.7}
.footer-contact i{color:var(--accent);margin-top:5px;font-size:12px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.70);min-height:24px;display:inline-block}
.footer-col ul li a:hover{color:var(--accent)}
.footer-col p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.58);margin:0}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500}
.btn-link i{transition:transform .16s ease}
.btn-link:hover i{transform:translateX(3px)}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:12px;color:rgba(255,255,255,.50);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .section,.lead-section{padding:72px 0}
  .section.tight,.stats{padding:60px 0}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .lead-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media (max-width:960px){
  .header-inner{height:60px}
  .menu-toggle{display:grid}
  .header-actions .btn-sm{display:none}
  .main-nav{
    position:fixed;left:0;right:0;top:60px;z-index:55;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 20px 22px;background:#fff;border-bottom:1px solid var(--border);
    box-shadow:0 14px 34px rgba(14,27,24,.10);
    opacity:0;transform:translateY(-10px);pointer-events:none;
    transition:opacity .2s ease,transform .2s ease;
  }
  .main-nav.open{opacity:1;transform:none;pointer-events:auto}
  .nav-link{border-radius:10px;padding:0 14px;min-height:48px}
  .nav-link.active{background:rgba(15,122,99,.08)}
  .nav-link.active::after{display:none}
  .mobile-cta{display:block;margin-top:12px}
  .mobile-cta .btn{width:100%}
}
@media (max-width:640px){
  .wrap{padding:0 20px}
  .page-hero{padding:52px 0 48px}
  .section,.lead-section{padding:60px 0}
  .section.tight,.stats{padding:52px 0}
  .scene-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .lead-card{padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .faq-q{font-size:15.5px;padding:16px 18px}
  .faq-a-inner{margin:0 18px 16px;padding-left:12px}
  .hero-actions .btn{width:100%}
}