/* roulang page: index */
:root{
  --brand:#0F6357;
  --brand-dark:#0A423A;
  --brand-soft:rgba(15,99,87,.08);
  --accent:#D6E455;
  --spot:#E4803F;
  --bg:#F5F6F1;
  --surface:#FFFFFF;
  --line:#E1E6DF;
  --ink:#14201D;
  --muted:#5A6863;
  --light-text:#EAF3F0;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --radius-badge:6px;
  --radius-modal:18px;
  --shadow-1:0 1px 2px rgba(10,40,34,.06);
  --shadow-2:0 12px 28px rgba(10,40,34,.12);
  --section-gap:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Source Han Sans SC","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius-img);}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:var(--brand-dark);}
p{margin:0 0 1.1em;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--ink);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.row{max-width:1200px;margin-left:auto;margin-right:auto;padding-left:22px;padding-right:22px;display:flex;flex-wrap:wrap;}
.row .column,.row .columns{padding-left:10px;padding-right:10px;float:none;}
.row .column::before,.row .column::after{display:none;}
.section{padding:var(--section-gap) 0;}
.section-tight{padding:64px 0;}
.section-head{margin-bottom:44px;max-width:760px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.12em;font-weight:600;
  color:var(--brand);background:var(--brand-soft);border-radius:var(--radius-badge);
  padding:5px 12px;margin-bottom:16px;
}
.section-head h2{font-size:30px;font-weight:700;line-height:1.35;position:relative;padding-left:16px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  background:var(--brand);border-radius:2px;
}
.section-head.center h2{padding-left:0;}
.section-head.center h2::before{display:none;}
.section-head p{margin:14px 0 0;color:var(--muted);font-size:16px;}
.on-dark{color:var(--light-text);}
.on-dark h2,.on-dark h3{color:#fff;}
.on-dark p{color:rgba(234,243,240,.82);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 24px;border-radius:var(--radius-btn);border:1px solid transparent;
  cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.btn-primary{background:var(--accent);color:#14201D;}
.btn-primary:hover{background:#e0ec6c;color:#14201D;transform:translateY(-2px);box-shadow:0 10px 20px rgba(10,40,34,.14);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-ghost-light:hover{background:rgba(255,255,255,.1);color:#fff;transform:translateY(-2px);}
.btn-sm{padding:11px 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);
}
.text-link i{transition:transform .18s ease;font-size:12px;}
.text-link:hover i{transform:translateX(2px);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 20px rgba(10,40,34,.08);}
.nav-wrap{
  max-width:1200px;margin:0 auto;padding:0 32px;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);}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:34px;height:34px;border-radius:50%;flex:0 0 34px;
  border:2px solid var(--brand);display:inline-flex;align-items:center;justify-content:center;
  color:var(--brand);
}
.logo-mark i{font-size:13px;}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.2px;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:30px;margin-left:auto;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--muted);padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--brand);font-size:17px;align-items:center;justify-content:center;cursor:pointer;
}
.mobile-panel{display:none;background:var(--brand-dark);}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;padding:0 24px;color:#fff;font-size:15px;border-bottom:1px solid rgba(255,255,255,.14);
}
.mobile-panel a:last-child{border-bottom:none;}
.mobile-panel a.is-active{color:var(--accent);font-weight:700;}
.mobile-panel a i{font-size:12px;opacity:.6;}

/* ---------- hero ---------- */
.hero{
  position:relative;color:var(--light-text);overflow:hidden;
  background:
    linear-gradient(180deg,rgba(10,66,58,.90),rgba(10,66,58,.96)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.10;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:64px 64px;
}
.hero .row{position:relative;z-index:2;padding-top:88px;padding-bottom:72px;align-items:center;}
.hero-copy h1{
  color:#fff;font-size:48px;font-weight:800;letter-spacing:-.5px;line-height:1.26;margin-bottom:20px;
}
.hero-copy h1 em{font-style:normal;color:var(--accent);}
.hero-sub{font-size:17px;color:rgba(234,243,240,.86);max-width:520px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px;}
.trust-bar{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
  border-top:1px solid rgba(255,255,255,.18);padding-top:24px;
}
.trust-item .num{
  font-size:28px;font-weight:800;color:var(--accent);line-height:1.1;letter-spacing:-.5px;
}
.trust-item .num span{font-size:14px;font-weight:600;margin-left:3px;color:var(--accent);}
.trust-item .label{font-size:13px;color:rgba(234,243,240,.72);line-height:1.6;margin-top:6px;}
.hero-visual{position:relative;border-radius:20px;overflow:hidden;border:1px solid rgba(255,255,255,.16);}
.hero-visual img{border-radius:0;width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-badge-card{
  position:absolute;right:18px;bottom:18px;background:#fff;border-radius:12px;
  padding:14px 18px;box-shadow:0 12px 28px rgba(10,40,34,.28);min-width:150px;
}
.hero-badge-card .k{font-size:12px;color:var(--muted);line-height:1.5;}
.hero-badge-card .v{font-size:24px;font-weight:800;color:var(--brand);line-height:1.2;letter-spacing:-.5px;}
.hero-badge-card .v span{font-size:12px;font-weight:600;color:var(--spot);margin-left:2px;}

/* ---------- pain points ---------- */
.pain-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px;height:100%;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pain-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(15,99,87,.28);}
.pain-idx{
  font-size:13px;font-weight:800;color:var(--spot);letter-spacing:.08em;margin-bottom:14px;display:block;
}
.pain-card h3{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:10px;}
.pain-card p{font-size:14px;color:var(--muted);margin:0;line-height:1.75;}

/* ---------- solution ---------- */
.solution-main{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;height:100%;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.solution-main:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.solution-main .thumb{position:relative;}
.solution-main .thumb img{border-radius:0;width:100%;aspect-ratio:16/9;object-fit:cover;}
.solution-main .body{padding:28px 28px 30px;}
.solution-main h3{font-size:22px;font-weight:700;margin-bottom:12px;}
.solution-main p{color:var(--muted);font-size:15px;margin-bottom:16px;}
.point-list{margin-bottom:22px;}
.point-list li{
  position:relative;padding-left:22px;font-size:15px;color:var(--ink);margin-bottom:10px;line-height:1.75;
}
.point-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--brand);
}
.solution-side{
  display:flex;gap:18px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:24px;height:100%;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.solution-side:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(15,99,87,.28);}
.solution-side .ic{
  flex:0 0 46px;width:46px;height:46px;border-radius:12px;background:var(--brand-soft);
  color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:19px;
}
.solution-side h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.solution-side p{font-size:14px;color:var(--muted);margin:0;line-height:1.75;}
.side-stack{display:flex;flex-direction:column;gap:18px;height:100%;}
.side-stack .solution-side{flex:1;}

/* ---------- data band ---------- */
.data-band{
  background:linear-gradient(135deg,rgba(10,66,58,.98),rgba(15,99,87,.94));
  color:var(--light-text);
}
.data-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.data-item{
  border-left:1px solid rgba(255,255,255,.18);padding-left:20px;
}
.data-item .num{
  font-size:54px;font-weight:800;color:#fff;line-height:1;letter-spacing:-1px;
}
.data-item .num span{font-size:18px;font-weight:700;color:var(--accent);margin-left:4px;}
.data-item .desc{font-size:13px;color:rgba(234,243,240,.75);margin-top:12px;line-height:1.6;}
.data-note{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16);
  font-size:13px;color:rgba(234,243,240,.62);
}

/* ---------- faq ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.accordion{background:transparent;border:none;margin:0;}
.accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.accordion-item:hover{border-color:rgba(15,99,87,.28);}
.accordion-item.is-active{border-left:3px solid var(--accent);box-shadow:var(--shadow-1);}
.accordion-title{
  display:flex;align-items:center;min-height:56px;padding:16px 56px 16px 24px;
  font-size:17px;font-weight:600;color:var(--ink);border:none;background:transparent;
  position:relative;line-height:1.5;
}
.accordion-title:hover{color:var(--brand);}
.accordion-title::before{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-size:13px;color:var(--brand);transition:transform .25s ease;
}
.accordion-item.is-active > .accordion-title::before{content:"\f078";transform:translateY(-50%) rotate(180deg);}
.accordion-content{padding:0 24px 20px;color:var(--muted);font-size:15px;line-height:1.8;border:none;background:transparent;}
.accordion-content p:last-child{margin-bottom:0;}

/* ---------- news ---------- */
.news-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;
}
.news-head h2{font-size:30px;font-weight:700;line-height:1.35;position:relative;padding-left:16px;}
.news-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;background:var(--brand);border-radius:2px;
}
.news-head .sub{color:var(--muted);font-size:15px;margin-top:10px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;height:100%;display:flex;flex-direction:column;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(15,99,87,.28);}
.badge{
  display:inline-block;font-size:12px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--radius-badge);padding:4px 10px;margin-bottom:14px;align-self:flex-start;
}
.news-title{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:10px;}
.news-title a{color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-title a:hover{color:var(--brand);}
.news-summary{
  font-size:14px;color:var(--muted);line-height:1.75;margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--line);
}
.news-time{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius-card);
  padding:56px 24px;text-align:center;
}
.empty-state i{font-size:26px;color:var(--brand);opacity:.6;}
.empty-state p{color:var(--muted);font-size:15px;margin:16px 0 20px;}

/* ---------- cta ---------- */
.cta-bar{
  background:var(--brand-dark);border-radius:var(--radius-card);
  padding:34px 38px;display:flex;align-items:center;justify-content:space-between;gap:26px;
  border:1px solid rgba(214,228,85,.28);
}
.cta-bar h2{color:#fff;font-size:24px;font-weight:700;margin-bottom:8px;}
.cta-bar p{color:rgba(234,243,240,.78);font-size:15px;margin:0;}
.cta-bar .btn{flex:0 0 auto;}

/* ---------- modal ---------- */
.reveal.cta-modal{
  border-radius:var(--radius-modal);border:1px solid var(--line);padding:0;
  max-width:560px;background:#fff;box-shadow:0 24px 60px rgba(10,40,34,.28);
}
.modal-head{padding:28px 30px 0;}
.modal-head h3{font-size:21px;font-weight:700;margin-bottom:8px;}
.modal-head p{font-size:14px;color:var(--muted);margin:0;}
.modal-body{padding:22px 30px 30px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;font-weight:500;color:var(--ink);margin-bottom:8px;}
.input{
  width:100%;height:46px;border-radius:var(--radius-btn);border:1px solid var(--line);
  padding:0 14px;font-size:15px;color:var(--ink);background:#fff;
  transition:border-color .18s ease,background .18s ease,box-shadow .18s ease;
}
select.input{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.input:focus{border-color:var(--brand);background:var(--brand-soft);outline:none;box-shadow:0 0 0 2px rgba(15,99,87,.12);}
.input.is-error{border-color:var(--spot);background:#fff;box-shadow:0 0 0 2px rgba(228,128,63,.12);}
.field .hint{font-size:13px;color:var(--spot);margin-top:6px;display:none;}
.field.has-error .hint{display:block;}
.consent{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);line-height:1.7;margin-bottom:20px;}
.consent input{margin-top:5px;width:16px;height:16px;accent-color:var(--brand);}
.form-success{
  display:none;background:var(--brand-soft);border:1px solid rgba(15,99,87,.24);
  border-radius:10px;padding:12px 16px;font-size:14px;color:var(--brand-dark);margin-bottom:18px;
}
.form-success.is-show{display:block;}
.reveal .close-button{color:var(--muted);top:18px;right:20px;font-size:20px;}

/* ---------- privacy ---------- */
.privacy-note{
  background:#EDEFE9;padding:26px 0;
}
.privacy-note p{
  max-width:1200px;margin:0 auto;padding:0 32px;font-size:12.5px;color:var(--muted);line-height:1.8;
}
.privacy-note a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-dark);color:rgba(234,243,240,.78);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-mark{border-color:var(--accent);color:var(--accent);}
.footer-brand p{font-size:14px;line-height:1.85;margin:18px 0 0;color:rgba(234,243,240,.68);}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:rgba(234,243,240,.72);border-bottom:1px solid transparent;padding-bottom:2px;}
.footer-col a:hover{color:var(--accent);border-bottom-color:var(--accent);}
.footer-col .plain{font-size:14px;color:rgba(234,243,240,.72);line-height:1.8;}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.14);padding:22px 0 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{margin:0;font-size:12.5px;color:rgba(255,255,255,.65);}
.footer-bottom a{color:rgba(255,255,255,.65);}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  :root{--section-gap:64px;}
  .nav-wrap{padding:0 24px;}
  .main-nav{display:none;}
  .menu-toggle{display:inline-flex;}
  .hero-copy h1{font-size:38px;}
  .hero .row{padding-top:64px;padding-bottom:56px;}
  .data-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
}
@media (max-width:640px){
  :root{--section-gap:48px;}
  body{font-size:15.5px;}
  .row{padding-left:8px;padding-right:8px;}
  .row .column,.row .columns{padding-left:8px;padding-right:8px;}
  .nav-wrap{padding:0 16px;height:60px;}
  .logo-text{font-size:16px;}
  .logo-mark{width:30px;height:30px;flex-basis:30px;}
  .nav-actions .btn{display:none;}
  .section{padding:var(--section-gap) 0;}
  .section-head h2,.news-head h2{font-size:23px;}
  .section-head{margin-bottom:32px;}
  .hero-copy h1{font-size:31px;letter-spacing:-.3px;}
  .hero-sub{font-size:15.5px;}
  .hero .row{padding-top:48px;padding-bottom:44px;}
  .hero-visual{margin-top:32px;}
  .trust-bar{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .trust-item .num{font-size:24px;}
  .data-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
  .data-item{padding-left:14px;}
  .data-item .num{font-size:36px;}
  .data-item .num span{font-size:14px;}
  .news-head{flex-direction:column;align-items:flex-start;}
  .cta-bar{flex-direction:column;align-items:stretch;padding:26px 22px;}
  .cta-bar .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .privacy-note p{padding:0 16px;}
  .accordion-title{font-size:16px;padding:14px 46px 14px 18px;}
  .accordion-title::before{right:18px;}
  .accordion-content{padding:0 18px 18px;}
  .reveal.cta-modal{width:92%;max-width:92%;}
  .modal-head,.modal-body{padding-left:20px;padding-right:20px;}
}

/* roulang page: article */
:root{
  --brand:#0F6357;
  --brand-dark:#0A423A;
  --brand-soft:rgba(15,99,87,.08);
  --accent:#D6E455;
  --accent-deep:#8C9A20;
  --dot:#E4803F;
  --bg:#F5F6F1;
  --surface:#FFFFFF;
  --line:#E1E6DF;
  --ink:#14201D;
  --muted:#5A6863;
  --on-dark:#EAF3F0;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(10,40,34,.06);
  --sh-2:0 12px 28px rgba(10,40,34,.12);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -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-dark)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer}
input,select{font-family:inherit}
time,.num{font-variant-numeric:tabular-nums}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-tint{background:var(--bg)}
.section-plain{background:var(--surface)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 20px rgba(10,40,34,.08)}
.nav-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:18px;font-weight:800;letter-spacing:-.2px;color:var(--ink)}
.logo:hover{color:var(--ink)}
.logo-mark{
  width:32px;height:32px;border-radius:50%;display:grid;place-items:center;
  background:var(--brand);color:var(--accent);font-size:13px;flex:none;
}
.nav-right{display:flex;align-items:center;gap:14px;position:relative}
.main-nav{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 14px;font-size:15px;font-weight:500;color:var(--ink);
  border-radius:8px;transition:background .18s ease,color .18s ease;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link.is-active{color:var(--brand);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--accent);border-radius:2px;
}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand);color:#fff;font-size:14.5px;font-weight:600;
  padding:11px 18px;border-radius:var(--r-btn);border:1px solid var(--brand);
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
}
.nav-cta:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.nav-cta:active{transform:translateY(0)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;width:42px;height:42px;
  border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;color:var(--brand);
}
.nav-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ---------- 按钮 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;line-height:1;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,filter .18s ease;
}
.btn-primary{background:var(--accent);color:#18220C}
.btn-primary:hover{color:#18220C;transform:translateY(-2px);box-shadow:var(--sh-2);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-dark{background:#12302A;color:#fff;border-color:#12302A}
.btn-dark:hover{background:#0A423A;color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(10,40,34,.22)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}
.btn-ghost{
  display:inline-flex;align-items:center;gap:6px;padding:6px 0;
  font-size:14.5px;font-weight:600;color:var(--brand);background:none;border:0;
}
.btn-ghost .arw{transition:transform .18s ease}
.btn-ghost:hover .arw{transform:translateX(2px)}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;
  border-radius:var(--r-badge);background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:600;letter-spacing:.2px;
}
.tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--r-badge);
  border:1px solid var(--line);background:#fff;color:var(--muted);font-size:13px;
}

/* ---------- 文章头部 ---------- */
.article-hero{
  padding:44px 0 56px;text-align:center;
  background:linear-gradient(180deg,#FFFFFF 0%,#F5F6F1 100%);
  border-bottom:1px solid var(--line);
}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;
  font-size:13px;color:var(--muted);
}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:#BFC8C2}
.crumbs .current{
  color:var(--ink);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.article-title{
  max-width:900px;margin:22px auto 0;
  font-size:clamp(28px,3.4vw,40px);font-weight:800;line-height:1.35;letter-spacing:-.5px;
  overflow-wrap:break-word;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px;
  margin-top:22px;font-size:13.5px;color:var(--muted);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C7CFC9}
.meta-row .source{color:var(--muted)}
.article-cover{
  max-width:760px;margin:32px auto 0;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-1);background:#fff;
}
.article-cover img{width:100%;height:auto;object-fit:cover}

/* ---------- 正文 ---------- */
.article-shell{padding:56px 0 72px;background:var(--bg)}
.article-body{
  max-width:760px;margin:0 auto;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:48px 56px;box-shadow:var(--sh-1);
  overflow-wrap:break-word;word-break:break-word;
}
.article-body > * + *{margin-top:1.15em}
.article-body p{line-height:1.9;color:#22302C}
.article-body h2{
  font-size:26px;line-height:1.35;font-weight:700;margin-top:2em;
  padding-left:14px;border-left:4px solid var(--brand);color:var(--ink);
}
.article-body h3{font-size:19px;font-weight:700;margin-top:1.7em;color:var(--ink)}
.article-body h4{font-size:17px;font-weight:700;margin-top:1.5em}
.article-body ul{list-style:square;padding-left:1.35em}
.article-body ul li::marker{color:var(--brand)}
.article-body ol{list-style:decimal;padding-left:1.5em}
.article-body ol li::marker{color:var(--accent-deep);font-weight:700}
.article-body li{margin:.42em 0;line-height:1.85}
.article-body blockquote{
  margin:1.5em 0;padding:20px 24px;background:var(--bg);
  border-left:3px solid var(--accent);border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--muted);
}
.article-body blockquote p{color:var(--muted);margin:0}
.article-body img{border-radius:var(--r-img);margin:1.5em auto 0}
.article-body figure{margin:1.5em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body strong{font-weight:700;color:var(--ink)}
.article-body table{
  display:block;width:100%;max-width:100%;overflow-x:auto;
  border-collapse:collapse;font-size:15px;
}
.article-body th{
  background:var(--brand-soft);color:var(--brand-dark);text-align:left;
  padding:12px 14px;border-bottom:1px solid var(--line);font-weight:600;white-space:nowrap;
}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--muted)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.article-foot{
  max-width:760px;margin:28px auto 0;display:flex;flex-wrap:wrap;gap:18px;
  align-items:center;justify-content:space-between;
}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.tag-label{font-size:13px;color:var(--muted);margin-right:2px}
.foot-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.empty-state{
  max-width:760px;margin:0 auto;text-align:center;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-card);padding:64px 32px;box-shadow:var(--sh-1);
}
.empty-state i{font-size:34px;color:var(--brand);opacity:.6}
.empty-state h2{font-size:22px;margin-top:18px}
.empty-state p{color:var(--muted);font-size:15px;margin-top:10px}
.empty-state .btn{margin-top:22px}

/* ---------- 卡片 ---------- */
.card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D3DBD3}
.card-thumb{border-radius:var(--r-img);overflow:hidden;margin:-4px 0 18px}
.card-thumb img{width:100%;height:168px;object-fit:cover;transition:transform .3s ease}
.card:hover .card-thumb img{transform:scale(1.03)}
.card h3{font-size:18px;font-weight:600;line-height:1.5;margin-top:14px}
.card h3 a{color:var(--ink)}
.card h3 a:hover{color:var(--brand)}
.card .card-text{
  margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card .card-foot{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
  gap:12px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);
}
.card .card-foot .card-time{color:var(--muted)}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:32px;
}
.section-head h2{font-size:clamp(22px,2.4vw,30px);position:relative;padding-left:14px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  background:var(--brand);border-radius:3px;
}
.section-head p{font-size:14.5px;color:var(--muted);margin-top:10px;padding-left:14px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}

/* ---------- 深色说明带 ---------- */
.band-dark{
  background:var(--brand-dark);color:var(--on-dark);
  padding:72px 0;position:relative;overflow:hidden;
}
.band-dark::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
}
.band-dark .wrap{position:relative;z-index:1}
.band-dark h2{font-size:clamp(22px,2.4vw,30px);color:#fff;position:relative;padding-left:14px}
.band-dark h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;background:var(--accent);border-radius:3px;
}
.band-dark .band-sub{color:rgba(234,243,240,.75);font-size:14.5px;margin-top:12px;padding-left:14px}
.band-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:34px}
.band-item{
  border:1px solid rgba(234,243,240,.22);border-radius:var(--r-card);
  padding:24px;background:rgba(255,255,255,.03);
}
.band-item .num{
  display:inline-block;font-size:13px;font-weight:700;color:var(--brand-dark);
  background:var(--accent);border-radius:var(--r-badge);padding:3px 10px;
}
.band-item h3{font-size:18px;color:#fff;margin-top:16px}
.band-item p{font-size:14.5px;line-height:1.8;color:rgba(234,243,240,.74);margin-top:10px}

/* ---------- CTA + 表单 ---------- */
.cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  background:var(--accent);color:#18220C;border-radius:var(--r-card);
  padding:28px 32px;
}
.cta-bar h3{font-size:22px;color:#18220C}
.cta-bar p{font-size:14.5px;color:rgba(24,34,12,.75);margin-top:8px}
.apply-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-1);margin-top:24px;
}
.form-title{font-size:20px}
.form-title span{display:block;font-size:14px;font-weight:400;color:var(--muted);margin-top:8px}
.form-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:24px}
.field{display:flex;flex-direction:column}
.field label{font-size:13px;font-weight:500;color:var(--muted);margin-bottom:6px}
.field input,.field select{
  height:46px;width:100%;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:0 14px;font-size:15px;color:var(--ink);background:#fff;
  transition:border-color .18s ease,background .18s ease,box-shadow .18s ease;
}
.field input::placeholder{color:#9AA6A0}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--brand);background:var(--brand-soft);
  box-shadow:0 0 0 3px rgba(15,99,87,.10);
}
.field.has-error input,.field.has-error select{
  border-color:#C0552B;background:rgba(228,128,63,.08);
}
.field .tip{display:none;font-size:13px;color:#C0552B;margin-top:6px}
.field.has-error .tip{display:block}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:24px}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);line-height:1.7}
.check input{width:16px;height:16px;margin-top:4px;accent-color:var(--brand)}
.check a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.form-success{
  display:none;margin-top:20px;padding:14px 16px;border-radius:var(--r-btn);
  background:var(--brand-soft);border:1px solid rgba(15,99,87,.22);
  color:var(--brand-dark);font-size:14px;
}
.form-success.show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-dark);color:var(--on-dark);padding:64px 0 28px}
.site-footer .logo{color:#fff;margin-bottom:0}
.site-footer .logo:hover{color:#fff}
.site-footer .logo-mark{background:rgba(255,255,255,.14);color:var(--accent)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand p{color:rgba(234,243,240,.74);font-size:14px;line-height:1.85;margin-top:16px;max-width:330px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:rgba(234,243,240,.78);font-size:14px}
.footer-col a:hover{color:#fff;border-bottom:1px solid var(--accent)}
.footer-col .plain{color:rgba(234,243,240,.72);font-size:14px;line-height:1.85}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  font-size:12.5px;color:rgba(255,255,255,.65);
}
.footer-bottom a{color:rgba(255,255,255,.65)}
.footer-bottom a:hover{color:#fff;border-bottom:1px solid var(--accent)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .wrap{padding:0 24px}
  .section{padding:64px 0}
  .band-dark{padding:56px 0}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .band-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .article-body{padding:36px 34px}
}
@media (max-width:900px){
  .nav-inner{height:60px}
  .nav-toggle{display:inline-flex}
  .nav-right{
    position:absolute;top:100%;left:-24px;right:-24px;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--brand-dark);padding:0;max-height:0;overflow:hidden;
    transition:max-height .18s ease;
    box-shadow:0 18px 30px rgba(10,40,34,.2);
  }
  .nav-right.is-open{max-height:460px;padding-bottom:14px}
  .main-nav{flex-direction:column;align-items:stretch;gap:0}
  .nav-link{
    color:#fff;padding:0 24px;height:52px;display:flex;align-items:center;
    border-bottom:1px solid rgba(255,255,255,.12);border-radius:0;font-size:15px;
  }
  .nav-link:hover{background:rgba(255,255,255,.06);color:#fff}
  .nav-link.is-active{color:var(--accent)}
  .nav-link.is-active::after{display:none}
  .nav-cta{margin:16px 24px 0;justify-content:center}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  .section{padding:48px 0}
  .band-dark{padding:48px 0}
  .article-hero{padding:32px 0 44px}
  .crumbs{justify-content:flex-start}
  .article-hero{text-align:left}
  .article-title{margin-top:18px}
  .meta-row{justify-content:flex-start}
  .article-shell{padding:32px 0 48px}
  .article-body{padding:26px 20px;border-radius:14px}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18px}
  .grid-3{grid-template-columns:1fr}
  .band-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:24px 20px}
  .cta-bar .btn{width:100%}
  .apply-panel{padding:24px 20px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .article-foot{flex-direction:column;align-items:flex-start}
  .foot-actions{width:100%}
  .foot-actions .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --brand:#0F6357;
  --brand-dark:#0A423A;
  --brand-tint:rgba(15,99,87,.08);
  --accent:#D6E455;
  --spot:#E4803F;
  --bg:#F5F6F1;
  --card:#FFFFFF;
  --line:#E1E6DF;
  --ink:#14201D;
  --muted:#5A6863;
  --light-text:#EAF3F0;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --radius-badge:6px;
  --radius-modal:18px;
  --shadow-1:0 1px 2px rgba(10,40,34,.06);
  --shadow-2:0 12px 28px rgba(10,40,34,.12);
  --space-s:16px;
  --space-m:24px;
  --space-l:32px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Source Han Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-dark)}
p{margin:0 0 1.1em}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.2px}
ul,ol{margin:0 0 1.1em;padding-left:1.2em}
button{font-family:inherit}
::selection{background:var(--accent);color:var(--brand-dark)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{max-width:1200px;margin:0 auto;padding:0 var(--space-l);width:100%}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- grid ---------- */
.row{display:flex;flex-wrap:wrap;margin-left:-16px;margin-right:-16px;max-width:none}
.row.narrow{margin-left:-10px;margin-right:-10px}
.column,.columns{float:none;flex:0 0 auto;width:100%;padding-left:16px;padding-right:16px}
.row.narrow > .column{padding-left:10px;padding-right:10px}
@media screen and (min-width:1024px){
  .large-3{width:25%}
  .large-4{width:33.3333%}
  .large-5{width:41.6667%}
  .large-6{width:50%}
  .large-7{width:58.3333%}
  .large-8{width:66.6667%}
  .large-9{width:75%}
  .large-12{width:100%}
}
@media screen and (min-width:640px) and (max-width:1023px){
  .medium-6{width:50%}
  .medium-12{width:100%}
}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 20px rgba(10,40,34,.07)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:var(--space-m);height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800}
.logo:hover{color:var(--ink)}
.logo-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:50%;
  background:var(--brand);color:var(--accent);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;
}
.logo-text{font-size:19px;letter-spacing:-.3px;white-space:nowrap}
.nav-collapse{display:flex;align-items:center;gap:var(--space-l);flex:1 1 auto;justify-content:flex-end}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:15px;
  font-weight:600;
  color:var(--muted);
  border-radius:8px;
  transition:color .18s ease,background .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--brand);background:var(--brand-tint)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-cta{padding:11px 20px;font-size:15px;white-space:nowrap}
.nav-toggle{
  display:none;width:44px;height:40px;border:1px solid var(--line);border-radius:10px;
  background:#fff;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
@media screen and (max-width:1023px){
  .header-inner{height:60px}
  .logo-text{font-size:17px}
  .nav-toggle{display:flex}
  .nav-collapse{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--brand-dark);
    padding:8px 16px 20px;
    display:none;
    box-shadow:0 14px 30px rgba(10,40,34,.22);
  }
  .nav-collapse.is-open{display:flex}
  .main-nav{flex-direction:column;align-items:stretch;gap:0;width:100%}
  .nav-link{
    color:var(--light-text);border-radius:0;padding:0;height:52px;
    display:flex;align-items:center;font-size:16px;
    border-bottom:1px solid rgba(255,255,255,.12);
  }
  .nav-link::after{display:none}
  .nav-link:hover{background:transparent;color:var(--accent)}
  .nav-link.is-active{color:var(--accent)}
  .nav-cta{margin-top:18px;display:block;text-align:center;width:100%;padding:14px 20px}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 24px;border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease,color .16s ease,border-color .16s ease;
}
.btn-accent{background:var(--accent);color:var(--brand-dark)}
.btn-accent:hover{background:#dfea65;color:var(--brand-dark);transform:translateY(-2px);box-shadow:0 10px 22px rgba(10,40,34,.16)}
.btn-accent:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand-tint);transform:translateY(-2px);color:var(--brand-dark)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--brand-dark)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(0,0,0,.14);color:var(--brand-dark)}
.btn:disabled,.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--brand)}
.link-more i{transition:transform .18s ease}
.link-more:hover i{transform:translateX(3px)}

/* ---------- breadcrumbs ---------- */
.crumbs{background:#fff;border-bottom:1px solid var(--line)}
.crumbs-inner{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--muted)}
.crumbs-inner a{color:var(--muted)}
.crumbs-inner a:hover{color:var(--brand)}
.crumbs-inner .sep{color:#B9C4BF}
.crumbs-inner .current{color:var(--brand);font-weight:600}

/* ---------- category hero ---------- */
.cat-hero{
  position:relative;
  background-color:var(--brand-dark);
  background-image:linear-gradient(115deg,rgba(10,66,58,.94) 0%,rgba(10,66,58,.82) 52%,rgba(15,99,87,.72) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  color:#fff;
  padding:76px 0 64px;
  overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.09) 0 1px,transparent 1px 62px);
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.4px;
  color:var(--brand-dark);background:var(--accent);
  padding:6px 12px;border-radius:var(--radius-badge);
  margin:0 0 18px;
}
.cat-hero h1{
  color:#fff;font-size:46px;line-height:1.26;font-weight:800;letter-spacing:-.5px;max-width:860px;
}
.cat-hero .lead{
  margin:18px 0 0;max-width:720px;font-size:17px;line-height:1.8;color:#D9E7E3;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;line-height:1.6;
  padding:7px 12px;border-radius:var(--radius-badge);
  background:rgba(255,255,255,.12);color:var(--light-text);
  border:1px solid rgba(255,255,255,.18);
}
.tag i{color:var(--accent);font-size:12px}
@media screen and (max-width:1023px){
  .cat-hero{padding:56px 0 48px}
  .cat-hero h1{font-size:36px}
}
@media screen and (max-width:639px){
  .cat-hero{padding:40px 0 36px}
  .cat-hero h1{font-size:30px}
  .cat-hero .lead{font-size:15.5px}
}

/* ---------- section base ---------- */
.section{padding:88px 0}
.section.tight{padding:64px 0}
.section.on-white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{margin-bottom:var(--space-l)}
.sec-head h2{
  position:relative;
  font-size:30px;font-weight:700;line-height:1.35;padding-left:16px;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand);
}
.sec-head p{margin:12px 0 0;color:var(--muted);font-size:15.5px;max-width:760px}
@media screen and (max-width:1023px){
  .section{padding:64px 0}
  .sec-head h2{font-size:24px}
}
@media screen and (max-width:639px){
  .section{padding:48px 0}
  .sec-head h2{font-size:22px}
  .sec-head p{font-size:15px}
}

/* ---------- toc ---------- */
.toc{
  position:sticky;top:96px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);
}
.toc-title{
  font-size:13px;font-weight:700;letter-spacing:.6px;color:var(--muted);
  text-transform:uppercase;margin-bottom:14px;
}
.toc-nav{display:flex;flex-direction:column;gap:4px}
.toc-link{
  position:relative;
  display:block;padding:10px 12px 10px 16px;
  font-size:15px;font-weight:600;color:var(--muted);
  border-radius:8px;border-left:3px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.toc-link:hover{background:var(--brand-tint);color:var(--brand)}
.toc-link.is-current{color:var(--brand);border-left-color:var(--accent);background:var(--brand-tint)}
.toc-note{
  margin-top:18px;padding-top:18px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--muted);line-height:1.7;
}
@media screen and (max-width:1023px){
  .toc{position:static;margin-bottom:32px;padding:18px}
  .toc-nav{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:4px;-webkit-overflow-scrolling:touch}
  .toc-link{
    white-space:nowrap;border-left:0;border:1px solid var(--line);
    border-radius:999px;padding:8px 16px;background:#fff;
  }
  .toc-link.is-current{border-color:var(--brand);background:var(--brand);color:#fff}
  .toc-note{display:none}
}

/* ---------- rich content ---------- */
.rich{max-width:100%}
.rich h2{
  position:relative;
  font-size:27px;font-weight:700;line-height:1.4;
  padding-left:16px;margin:0 0 18px;
}
.rich h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:2px;background:var(--brand);
}
.rich h3{font-size:19px;font-weight:600;line-height:1.5;margin:0 0 10px}
.rich p{color:#28332F;line-height:1.9}
.rich .block + .block{margin-top:56px}
.rich ul{list-style:none;padding-left:0;margin:0 0 20px}
.rich ul li{
  position:relative;padding-left:22px;margin-bottom:12px;line-height:1.85;color:#28332F;
}
.rich ul li::before{
  content:"";position:absolute;left:2px;top:11px;width:8px;height:8px;border-radius:2px;background:var(--brand);
}
.rich figure{margin:0 0 24px}
.rich figure img{border-radius:var(--radius-img);width:100%;box-shadow:var(--shadow-1)}
.rich figcaption{
  margin-top:10px;font-size:13px;color:var(--muted);text-align:center;line-height:1.7;
}
@media screen and (max-width:1023px){
  .rich h2{font-size:22px}
  .rich h3{font-size:17px}
}

/* ---------- mini cards ---------- */
.mini-grid{display:flex;flex-wrap:wrap;margin:-10px;margin-top:26px}
.mini-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;flex:1 1 calc(50% - 20px);margin:10px;
  display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#CDD8D2}
.mini-icon{
  width:42px;height:42px;border-radius:12px;background:var(--brand-tint);
  color:var(--brand);display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;margin-bottom:16px;
}
.mini-card h3{font-size:18px}
.mini-card p{font-size:14.5px;color:var(--muted);line-height:1.8;margin:8px 0 16px}
.mini-card .link-more{margin-top:auto;font-size:14px}
@media screen and (max-width:767px){
  .mini-card{flex:1 1 calc(100% - 20px)}
}

/* ---------- checklist ---------- */
.check-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:32px;box-shadow:var(--shadow-1);
}
.check-list{list-style:none;padding:0;margin:0}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 0;border-bottom:1px solid var(--line);font-size:15px;line-height:1.8;
}
.check-list li:last-child{border-bottom:0;padding-bottom:0}
.check-list li:first-child{padding-top:0}
.check-list i{color:var(--spot);font-size:15px;margin-top:6px;flex:0 0 auto}
.check-list strong{font-weight:700;color:var(--ink)}

/* ---------- feature strip ---------- */
.strip{
  background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.strip .row{padding:28px 0}
.strip-item{display:flex;align-items:center;gap:12px;padding:8px 0}
.strip-item i{
  width:38px;height:38px;flex:0 0 38px;border-radius:10px;
  background:var(--brand-tint);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;
}
.strip-item b{display:block;font-size:15px;font-weight:700;line-height:1.5}
.strip-item span{display:block;font-size:13px;color:var(--muted);line-height:1.6}

/* ---------- faq ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{
  border-bottom:1px solid var(--line);
  background:transparent;
}
.faq summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:17px;font-weight:600;line-height:1.6;color:var(--ink);
  transition:color .18s ease;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--brand)}
.faq summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--brand);
  width:28px;height:28px;flex:0 0 28px;border-radius:50%;
  background:var(--brand-tint);display:inline-flex;align-items:center;justify-content:center;
  transition:transform .22s ease,background .22s ease;
}
.faq details[open] summary::after{content:"\f068";background:var(--accent);color:var(--brand-dark);transform:rotate(180deg)}
.faq .faq-body{
  position:relative;padding:0 0 22px 16px;color:var(--muted);font-size:15.5px;line-height:1.85;
  max-width:820px;
}
.faq .faq-body::before{
  content:"";position:absolute;left:0;top:4px;bottom:24px;width:3px;border-radius:2px;background:var(--accent);
}
.faq .faq-body p:last-child{margin-bottom:0}

/* ---------- cta band ---------- */
.cta-band{
  background-color:var(--brand);
  background-image:linear-gradient(100deg,rgba(15,99,87,.96),rgba(10,66,58,.94));
  color:#fff;padding:56px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px}
.cta-inner h2{color:#fff;font-size:28px;font-weight:700;line-height:1.4}
.cta-inner p{margin:10px 0 0;color:#D5E5E1;font-size:15.5px;max-width:640px}
.cta-actions{display:flex;gap:12px;flex:0 0 auto;flex-wrap:wrap}
@media screen and (max-width:1023px){
  .cta-inner{flex-direction:column;align-items:stretch;gap:24px}
  .cta-inner h2{font-size:23px}
  .cta-actions .btn{width:100%;justify-content:center}
}

/* ---------- modal ---------- */
.modal-mask{
  position:fixed;inset:0;z-index:120;
  background:rgba(10,40,34,.55);
  display:none;align-items:center;justify-content:center;padding:24px;
}
.modal-mask.is-open{display:flex}
.modal-panel{
  width:100%;max-width:560px;background:#fff;border-radius:var(--radius-modal);
  padding:32px;box-shadow:0 24px 60px rgba(6,30,26,.35);
  max-height:88vh;overflow:auto;
}
.modal-panel h2{font-size:22px;font-weight:700;line-height:1.45}
.modal-panel .modal-sub{margin:10px 0 24px;font-size:14.5px;color:var(--muted);line-height:1.8}
.modal-close{
  position:absolute;top:14px;right:14px;
}
.modal-head{position:relative}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:7px}
.field input,.field select{
  width:100%;height:46px;padding:0 14px;font-size:15px;color:var(--ink);
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-btn);
  transition:border-color .18s ease,background .18s ease,box-shadow .18s ease;
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--brand);background:var(--brand-tint);
  box-shadow:0 0 0 3px rgba(15,99,87,.12);
}
.field.has-error input,.field.has-error select{border-color:#C2571F;background:#FDF4EF}
.field .hint{font-size:13px;color:#C2571F;margin-top:6px;line-height:1.6;display:none}
.field.has-error .hint{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--muted);line-height:1.7;margin:6px 0 22px}
.check-row input{width:16px;height:16px;flex:0 0 16px;margin-top:4px;accent-color:var(--brand)}
.form-ok{
  display:none;background:var(--brand-tint);border:1px solid rgba(15,99,87,.25);
  color:var(--brand-dark);border-radius:var(--radius-btn);
  padding:12px 14px;font-size:14px;margin-bottom:18px;line-height:1.7;
}
.form-ok.is-on{display:block}
@media screen and (max-width:639px){
  .modal-panel{padding:24px 20px}
}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-dark);color:var(--light-text);padding:64px 0 28px;margin-top:0}
.footer-grid{display:flex;flex-wrap:wrap;gap:48px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.14)}
.footer-brand{flex:1 1 300px;max-width:380px}
.site-footer .logo{color:#fff}
.site-footer .logo-text{color:#fff}
.site-footer .logo:hover{color:#fff}
.footer-brand p{margin:18px 0 0;font-size:14px;line-height:1.85;color:rgba(234,243,240,.78)}
.footer-col{flex:1 1 180px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(234,243,240,.78);border-bottom:1px solid transparent;transition:color .18s ease,border-color .18s ease}
.footer-col a:hover{color:#fff;border-bottom-color:var(--accent)}
.footer-col .plain{font-size:14px;line-height:1.85;color:rgba(234,243,240,.78);margin:0}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:24px}
.footer-bottom p{margin:0;font-size:12.5px;color:rgba(255,255,255,.65);line-height:1.8}
.footer-bottom a{color:rgba(255,255,255,.65);border-bottom:1px solid transparent}
.footer-bottom a:hover{color:#fff;border-bottom-color:var(--accent)}
@media screen and (max-width:639px){
  .site-footer{padding:48px 0 24px}
  .footer-grid{gap:32px;flex-direction:column}
  .footer-bottom{flex-direction:column}
}

/* roulang page: category3 */
/* ===================== 设计令牌 ===================== */
:root{
  --green:#0F6357;
  --green-dark:#0A423A;
  --green-deep:#083530;
  --green-soft:rgba(15,99,87,.08);
  --green-line:rgba(15,99,87,.18);
  --lime:#D6E455;
  --lime-deep:#C4D23F;
  --clay:#E4803F;
  --bg:#F5F6F1;
  --white:#FFFFFF;
  --line:#E1E6DF;
  --ink:#14201D;
  --muted:#5A6863;
  --on-dark:#EAF3F0;
  --on-dark-soft:rgba(234,243,240,.68);
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --radius-badge:6px;
  --shadow-1:0 1px 2px rgba(10,40,34,.06);
  --shadow-2:0 12px 28px rgba(10,40,34,.12);
  --gap-s:16px;
  --gap-m:24px;
  --gap-l:32px;
  --section:96px;
  --font:"PingFang SC","Source Han Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
}

/* ===================== 基础重置 ===================== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  margin:0;
  font-weight:700;
  line-height:1.3;
  color:var(--ink);
}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
img{max-width:100%;height:auto;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:100%;}
button{cursor:pointer;}
strong{font-weight:700;}
table{border-collapse:collapse;width:100%;}

/* Foundation 默认样式覆盖 */
body,p,li,td,th{font-size:16px;}
h1{font-size:clamp(1.875rem,4.3vw,3.25rem);line-height:1.26;letter-spacing:-.5px;font-weight:800;}
h2{font-size:clamp(1.375rem,2.4vw,2rem);line-height:1.35;font-weight:700;}
h3{font-size:1.125rem;line-height:1.45;font-weight:600;}
input[type="text"],input[type="tel"],input[type="email"],input[type="search"],select,textarea{
  display:block;width:100%;height:46px;padding:0 14px;margin:0;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--white);color:var(--ink);font-size:15px;line-height:44px;
  box-shadow:none;transition:border-color .18s ease,background-color .18s ease,box-shadow .18s ease;
}
textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.8;resize:vertical;}
label{display:block;font-size:13px;font-weight:500;color:var(--muted);margin-bottom:6px;}
select{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235A6863' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;background-size:16px;padding-right:38px;
}
.row{max-width:75rem;}
.column,.columns{padding-left:16px;padding-right:16px;}

/* ===================== 通用容器与板块 ===================== */
.container{
  width:100%;max-width:1200px;margin:0 auto;padding:0 32px;
}
.section{padding:var(--section) 0;}
.section--light{background:var(--bg);}
.section--white{background:var(--white);}
.section--dark{background:var(--green-dark);color:var(--on-dark);}
.section--dark h2,.section--dark h3{color:#fff;}
.section-head{max-width:760px;margin-bottom:var(--gap-l);}
.section-head .kicker{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.12em;
  color:var(--green);background:var(--green-soft);
  border-radius:var(--radius-badge);padding:4px 10px;margin-bottom:14px;
}
.section-head h2{position:relative;padding-left:16px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  background:var(--green);border-radius:2px;
}
.section-head .section-sub{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.8;}
.section--dark .section-head .kicker{background:rgba(214,228,85,.16);color:var(--lime);}
.section--dark .section-head h2::before{background:var(--lime);}
.section--dark .section-head .section-sub{color:var(--on-dark-soft);}
.sub-line{width:48px;height:3px;background:var(--lime);border-radius:2px;margin-bottom:18px;}

/* ===================== 顶部提示条 ===================== */
.topline{
  background:var(--green-deep);color:var(--on-dark-soft);
  font-size:13px;line-height:1.6;padding:9px 0;
}
.topline .container{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;justify-content:space-between;}
.topline span{display:inline-flex;align-items:center;gap:8px;}
.topline i{color:var(--lime);font-size:12px;}
.topline a{color:var(--on-dark);border-bottom:1px solid rgba(214,228,85,.5);}
.topline a:hover{color:var(--lime);}

/* ===================== 导航 ===================== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--white);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 20px rgba(10,40,34,.07);}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:var(--gap-m);height:72px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--green-soft);color:var(--green);
  border:1px solid var(--green-line);font-size:14px;
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:-.2px;color:var(--ink);}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  padding:10px 14px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;color:var(--muted);
}
.nav-link:hover{color:var(--green);background:var(--green-soft);}
.nav-link.is-active{color:var(--green);font-weight:700;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--lime);border-radius:2px;
}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:var(--radius-btn);
  background:var(--green);color:#fff;font-size:14px;font-weight:600;
  transition:background-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.header-cta:hover{background:#0c5449;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.header-cta:active{transform:translateY(1px);box-shadow:none;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:var(--white);color:var(--green);font-size:17px;
}
.nav-toggle:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.mobile-nav{display:none;background:var(--green-dark);}
.mobile-nav.is-open{display:block;}
.mobile-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 24px;color:#fff;font-size:15px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.mobile-nav a:hover{background:rgba(255,255,255,.06);}
.mobile-nav a.is-active{color:var(--lime);font-weight:700;}

/* ===================== 按钮 ===================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{background:var(--lime-deep);color:var(--ink);transform:translateY(-2px);box-shadow:0 12px 24px rgba(214,228,85,.28);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-solid{background:var(--green);color:#fff;}
.btn-solid:hover{background:#0c5449;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-solid:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--green-line);}
.btn-ghost:hover{background:var(--green-soft);border-color:var(--green);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-ghost--on-dark{color:#fff;border-color:rgba(255,255,255,.35);}
.btn-ghost--on-dark:hover{background:rgba(255,255,255,.08);border-color:var(--lime);color:#fff;}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--green);font-size:14px;font-weight:600;
}
.btn-link i{transition:transform .18s ease;}
.btn-link:hover{color:var(--green-dark);}
.btn-link:hover i{transform:translateX(4px);}

/* ===================== 标签与徽章 ===================== */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--radius-badge);
  font-size:13px;font-weight:600;
  background:var(--green-soft);color:var(--green);
}
.badge--clay{background:rgba(228,128,63,.12);color:#B65F25;}
.badge--count{
  font-variant-numeric:tabular-nums;
  background:rgba(15,99,87,.1);color:var(--green);
  min-width:44px;justify-content:center;
}
.tag-group{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:var(--gap-l);}
.tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--radius-btn);
  background:var(--white);border:1px solid var(--line);
  font-size:14px;color:var(--muted);
}
.tag:hover{border-color:var(--green);color:var(--green);}
.tag i{color:var(--green);font-size:12px;}

/* ===================== Hero ===================== */
.hero{
  position:relative;overflow:hidden;
  background:var(--green-dark);color:var(--on-dark);
  padding:88px 0 56px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.17;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(118deg,rgba(255,255,255,.05) 0 1px,transparent 1px 120px);
  pointer-events:none;
}
.hero .row{position:relative;z-index:2;}
.hero-copy h1{color:#fff;margin-bottom:18px;}
.hero-copy h1 em{font-style:normal;color:var(--lime);}
.hero-copy .hero-sub{
  color:var(--on-dark-soft);font-size:17px;line-height:1.8;
  max-width:34em;margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-note{
  display:flex;align-items:flex-start;gap:10px;
  font-size:13px;color:var(--on-dark-soft);line-height:1.7;
  border-left:3px solid rgba(214,228,85,.55);padding-left:14px;max-width:36em;
}
.hero-media{position:relative;margin-top:8px;}
.hero-media img{
  width:100%;border-radius:20px;border:1px solid rgba(255,255,255,.16);
  box-shadow:0 20px 40px rgba(0,0,0,.28);
}
.hero-float{
  position:absolute;right:18px;bottom:-18px;
  background:var(--white);color:var(--ink);
  border-radius:var(--radius-card);padding:14px 18px;
  box-shadow:0 16px 32px rgba(0,0,0,.24);
  border:1px solid var(--line);min-width:172px;
}
.hero-float .num{
  font-size:30px;font-weight:800;line-height:1.1;
  font-variant-numeric:tabular-nums;color:var(--green);
}
.hero-float .num small{font-size:14px;font-weight:700;color:var(--clay);margin-left:2px;}
.hero-float .txt{font-size:13px;color:var(--muted);line-height:1.6;}

/* 信任条 */
.trust-bar{
  position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.16);
  padding-top:34px;margin-top:56px;
}
.trust-bar .row{row-gap:20px;}
.trust-item{padding-top:6px;}
.trust-item .val{
  font-size:26px;font-weight:800;color:#fff;line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.trust-item .val small{font-size:14px;color:var(--lime);margin-left:3px;font-weight:700;}
.trust-item .lbl{font-size:13px;color:var(--on-dark-soft);line-height:1.6;margin-top:4px;}

/* ===================== 时间线 ===================== */
.timeline{position:relative;margin-top:8px;}
.tl-item{position:relative;padding:0 0 34px 76px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:23px;top:52px;bottom:0;width:2px;
  background:linear-gradient(180deg,var(--green-line),rgba(15,99,87,.06));
}
.tl-item:last-child::before{display:none;}
.tl-dot{
  position:absolute;left:0;top:0;width:48px;height:48px;border-radius:50%;
  background:var(--white);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-1);z-index:2;
}
.tl-dot span{
  font-size:15px;font-weight:800;color:var(--clay);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.tl-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:box-shadow .2s ease,transform .2s ease;
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.tl-card h3{margin-bottom:10px;}
.tl-card p{color:var(--muted);font-size:15.5px;}
.tl-media{margin-top:18px;border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line);}
.tl-media img{width:100%;}
.tl-media figcaption{font-size:13px;color:var(--muted);background:#FBFCF9;padding:10px 14px;border-top:1px solid var(--line);line-height:1.6;}

/* 侧栏要点清单 */
.side-panel{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);margin-bottom:var(--gap-m);
}
.side-panel h3{font-size:17px;margin-bottom:16px;padding-left:12px;position:relative;}
.side-panel h3::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;
  background:var(--lime);border-radius:2px;
}
.check-list li{
  display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);
  font-size:15px;color:var(--muted);line-height:1.75;
}
.check-list li:last-child{border-bottom:0;padding-bottom:0;}
.check-list li i{color:var(--green);font-size:13px;margin-top:8px;flex:0 0 auto;}
.check-list li strong{color:var(--ink);font-weight:600;}
.side-panel--dark{background:var(--green-dark);border-color:rgba(255,255,255,.14);color:var(--on-dark);}
.side-panel--dark h3{color:#fff;}
.side-panel--dark h3::before{background:var(--lime);}
.side-panel--dark .check-list li{border-color:rgba(255,255,255,.14);color:var(--on-dark-soft);}
.side-panel--dark .check-list li strong{color:#fff;}

/* ===================== 卡片 ===================== */
.card{
  display:flex;flex-direction:column;height:100%;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--green-line);}
.card-icon{
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--green-soft);color:var(--green);font-size:18px;margin-bottom:16px;
}
.card h3{margin-bottom:10px;}
.card p{color:var(--muted);font-size:15.5px;}
.card-foot{margin-top:auto;padding-top:18px;}
.card-cover{
  border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line);margin-bottom:18px;
}
.card-cover img{width:100%;transition:transform .3s ease;}
.card:hover .card-cover img{transform:scale(1.03);}
.card-row{display:flex;flex-wrap:wrap;}
.card-row > .column{float:none;display:flex;flex-direction:column;margin-bottom:var(--gap-m);}
.card-row > .column > .card{width:100%;}

/* ===================== 排行列表 ===================== */
.rank-panel{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:8px 24px;box-shadow:var(--shadow-1);
}
.rank-item{
  display:flex;align-items:center;gap:16px;
  padding:18px 0;border-bottom:1px solid var(--line);
}
.rank-item:last-child{border-bottom:0;}
.rank-num{
  flex:0 0 34px;height:34px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;
  background:var(--green-soft);color:var(--green);
}
.rank-item:first-child .rank-num{background:var(--lime);color:var(--ink);}
.rank-body{flex:1 1 auto;min-width:0;}
.rank-body h3{font-size:16px;margin-bottom:2px;}
.rank-body p{font-size:14px;color:var(--muted);line-height:1.7;}
.rank-item .badge{flex:0 0 auto;}

/* 图文块 */
.figure-block{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);height:100%;display:flex;flex-direction:column;
}
.figure-block img{width:100%;}
.figure-block .fig-body{padding:24px;}
.figure-block .fig-body h3{margin-bottom:10px;}
.figure-block .fig-body p{color:var(--muted);font-size:15.5px;}

/* ===================== FAQ ===================== */
.faq-wrap{max-width:900px;margin:0 auto;}
ul.accordion.faq-list{
  background:transparent;border:0;margin:0;
}
ul.accordion.faq-list .accordion-item{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-1);transition:border-color .2s ease,box-shadow .2s ease;
}
ul.accordion.faq-list .accordion-item.is-active{
  border-color:var(--green-line);box-shadow:var(--shadow-2);
}
ul.accordion.faq-list .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16.5px;font-weight:600;color:var(--ink);
  border:0;border-left:3px solid transparent;background:transparent;
  transition:background-color .18s ease,border-color .18s ease,color .18s ease;
}
ul.accordion.faq-list .accordion-title:hover{background:#FBFCF9;color:var(--green);}
ul.accordion.faq-list .accordion-item.is-active .accordion-title{
  border-left-color:var(--lime);color:var(--green);
}
.faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--green-soft);color:var(--green);font-size:12px;
  transition:transform .22s ease,background-color .18s ease;
}
ul.accordion.faq-list .accordion-item.is-active .faq-icon{transform:rotate(180deg);background:var(--lime);color:var(--ink);}
ul.accordion.faq-list .accordion-content{
  padding:0 22px 22px 25px;border:0;background:transparent;color:var(--muted);
}
ul.accordion.faq-list .accordion-content p{font-size:15.5px;line-height:1.85;}

/* ===================== CTA 横条与表单 ===================== */
.cta-band{
  background:var(--lime);border-radius:var(--radius-card);
  padding:28px 32px;display:flex;align-items:center;justify-content:space-between;
  gap:24px;flex-wrap:wrap;box-shadow:0 14px 30px rgba(120,140,20,.18);
}
.cta-band .cta-text h3{font-size:20px;color:#12200F;margin-bottom:6px;}
.cta-band .cta-text p{font-size:14.5px;color:#3A462E;line-height:1.7;margin:0;}
.cta-band .btn-solid{background:var(--green-dark);}
.cta-band .btn-solid:hover{background:#072b26;}

.apply-panel{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:32px;box-shadow:var(--shadow-1);
}
.apply-panel h3{font-size:20px;margin-bottom:8px;}
.apply-panel .apply-lead{color:var(--muted);font-size:15px;margin-bottom:24px;}
.field{margin-bottom:18px;}
.field .hint{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.6;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--green);background:var(--green-soft);
  box-shadow:0 0 0 3px rgba(15,99,87,.1);
}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--muted);line-height:1.7;}
.check-line input[type="checkbox"]{width:18px;height:18px;margin:3px 0 0;accent-color:var(--green);flex:0 0 auto;}
.check-line a{color:var(--green);border-bottom:1px solid var(--green-line);}
.check-line a:hover{color:var(--green-dark);border-color:var(--green);}
.form-note{
  margin-top:22px;background:#F3F4EF;border:1px solid var(--line);border-radius:var(--radius-btn);
  padding:14px 16px;font-size:13px;color:var(--muted);line-height:1.75;
}
.apply-side{
  background:var(--green-dark);color:var(--on-dark);
  border-radius:var(--radius-card);padding:28px;height:100%;
}
.apply-side h3{color:#fff;margin-bottom:14px;}
.apply-side .check-list li{border-color:rgba(255,255,255,.14);color:var(--on-dark-soft);}
.apply-side .check-list li strong{color:#fff;}

/* ===================== 页脚 ===================== */
.site-footer{
  background:var(--green-dark);color:var(--on-dark);
  padding:64px 0 24px;margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-mark{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.2);color:var(--lime);}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{font-size:14px;color:var(--on-dark-soft);line-height:1.8;max-width:32em;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:var(--on-dark-soft);border-bottom:1px solid transparent;padding-bottom:2px;}
.footer-col ul li a:hover{color:var(--lime);border-bottom-color:var(--lime);}
.footer-col p.plain{font-size:14px;color:var(--on-dark-soft);line-height:1.8;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
}
.footer-bottom p{font-size:12.5px;color:rgba(255,255,255,.65);margin:0;line-height:1.7;}
.footer-bottom a{font-size:12.5px;color:rgba(255,255,255,.65);border-bottom:1px solid rgba(255,255,255,.3);}
.footer-bottom a:hover{color:var(--lime);border-bottom-color:var(--lime);}

/* ===================== 面包屑 ===================== */
.crumb{padding:18px 0 0;font-size:13px;color:var(--muted);}
.crumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.crumb li::after{content:"/";margin-left:8px;color:var(--line);}
.crumb li:last-child::after{display:none;}
.crumb li:last-child{color:var(--ink);}

/* ===================== 响应式 ===================== */
@media screen and (max-width:1024px){
  :root{--section:72px;}
  .container{padding:0 24px;}
  .hero{padding:64px 0 44px;}
  .hero-media{margin-top:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media screen and (max-width:860px){
  .main-nav,.header-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{height:60px;}
  .tl-item{padding-left:64px;}
  .tl-dot{width:42px;height:42px;}
  .tl-item::before{left:20px;top:46px;}
}
@media screen and (max-width:768px){
  :root{--section:56px;}
  body,p,li{font-size:15.5px;}
  .container{padding:0 16px;}
  .column,.columns{padding-left:12px;padding-right:12px;}
  .section-head{margin-bottom:24px;}
  .hero{padding:52px 0 36px;}
  .hero-copy .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .trust-bar{margin-top:40px;padding-top:24px;}
  .hero-float{position:static;margin-top:16px;box-shadow:var(--shadow-1);}
  .cta-band{padding:22px;flex-direction:column;align-items:stretch;}
  .cta-band .btn{width:100%;}
  .apply-panel{padding:22px;}
  .apply-side{margin-top:20px;}
  .rank-panel{padding:4px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:520px){
  h3{font-size:17px;}
  .tl-item{padding-left:54px;padding-bottom:26px;}
  .tl-dot{width:36px;height:36px;}
  .tl-dot span{font-size:13px;}
  .tl-item::before{left:17px;top:40px;}
  .tl-card{padding:18px;}
  .card{padding:20px;}
  .card-row > .column{padding-left:12px;padding-right:12px;}
  .trust-item .val{font-size:22px;}
  .topline .container{font-size:12.5px;}
}

/* roulang page: category2 */
:root{
  --brand:#0F6357;
  --brand-dark:#0A423A;
  --brand-deep:#072F29;
  --brand-tint:rgba(15,99,87,.08);
  --brand-tint-2:rgba(15,99,87,.16);
  --accent:#D6E455;
  --accent-soft:rgba(214,228,85,.24);
  --warm:#E4803F;
  --bg:#F5F6F1;
  --surface:#FFFFFF;
  --line:#E1E6DF;
  --ink:#14201D;
  --muted:#5A6863;
  --on-dark:#EAF3F0;
  --soft-bg:#EDEFE9;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --font-mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(10,40,34,.06);
  --sh-2:0 12px 28px rgba(10,40,34,.12);
  --sec-y:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto;border-radius:var(--r-img)}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,background .18s ease}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4,h5,h6{font-family:var(--font-sans);color:var(--ink);margin:0;letter-spacing:-.3px}
h1{font-size:clamp(30px,4.2vw,50px);font-weight:800;line-height:1.26;letter-spacing:-.5px}
h2{font-size:clamp(22px,2.6vw,31px);font-weight:700;line-height:1.35}
h3{font-size:20px;font-weight:700;line-height:1.4}
h4{font-size:18px;font-weight:600;line-height:1.45}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
strong{font-weight:700}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}

/* Foundation 覆盖 */
.grid-container{
  max-width:1264px;
  margin-left:auto;
  margin-right:auto;
  padding-left:32px;
  padding-right:32px;
}
.grid-container .grid-x{margin-left:-16px;margin-right:-16px}
.grid-container .grid-x > .cell{padding-left:16px;padding-right:16px}
.grid-x{flex-flow:row wrap}
.cell{min-width:0}
.button,.button.primary,.button.secondary{background:none;color:inherit;border:0;padding:0;margin:0;font-size:inherit}
table{border-collapse:collapse;width:100%}

/* 通用组件 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:var(--brand-deep);box-shadow:0 2px 0 rgba(7,47,41,.12)}
.btn-primary:hover{background:#E1EC6B;color:var(--brand-deep);transform:translateY(-2px);box-shadow:0 10px 22px rgba(10,40,34,.18)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-outline{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-outline:hover{background:var(--brand-tint);color:var(--brand-dark);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(1px)}
.btn-ghost-light{border-color:rgba(234,243,240,.4);color:var(--on-dark);background:transparent}
.btn-ghost-light:hover{background:rgba(214,228,85,.16);border-color:var(--accent);color:#fff;transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--brand);
  padding-right:4px;
}
.link-more i{transition:transform .18s ease;font-size:12px}
.link-more:hover{color:var(--brand-dark)}
.link-more:hover i{transform:translateX(3px)}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border-radius:var(--r-badge);
  background:var(--brand-tint);
  color:var(--brand);
  font-size:13px;
  font-weight:600;
  line-height:1.6;
}
.badge-warm{background:rgba(228,128,63,.14);color:#B85E20}
.section{padding:var(--sec-y) 0}
.section-tight{padding:64px 0}
.section-head{margin-bottom:44px;max-width:800px}
.section-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--brand);
  letter-spacing:.4px;
  margin-bottom:14px;
}
.section-head .eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--accent)}
.section-head h2{position:relative;padding-left:18px;margin-bottom:14px}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;
  top:6px;
  bottom:6px;
  width:4px;
  border-radius:2px;
  background:var(--brand);
}
.section-head p{color:var(--muted);font-size:16px;margin:0}
.bg-soft{background:var(--soft-bg)}
.bg-white{background:var(--surface)}
.bg-dark{background:var(--brand-dark);color:var(--on-dark)}
.bg-dark h2,.bg-dark h3,.bg-dark h4{color:#fff}

/* 顶部提示条 */
.site-topbar{background:var(--brand-deep);color:rgba(234,243,240,.86);font-size:13px;line-height:1.6}
.site-topbar .topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 0;flex-wrap:wrap}
.site-topbar a{color:var(--accent);font-weight:600}
.site-topbar a:hover{color:#fff}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:0 4px 20px rgba(10,40,34,.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;color:var(--ink);font-weight:800;font-size:18px;letter-spacing:-.3px}
.logo:hover{color:var(--ink)}
.logo-mark{
  width:34px;height:34px;border-radius:50%;
  background:var(--brand);color:var(--accent);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;flex:none;
}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{position:relative;padding:10px 14px;font-size:15px;font-weight:500;color:var(--muted);border-radius:8px;transition:color .18s ease,background .18s ease}
.nav-link:hover{color:var(--brand);background:var(--brand-tint)}
.nav-link.is-active{color:var(--brand);font-weight:700}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--accent)}
.header-actions{display:flex;align-items:center;gap:14px}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:transform .18s ease,opacity .18s 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)}
.mobile-panel{display:none;background:var(--brand-dark);border-top:1px solid rgba(255,255,255,.1)}
.mobile-panel.is-open{display:block}
.mobile-panel a{
  display:flex;align-items:center;
  height:52px;padding:0 24px;
  color:#fff;font-size:16px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.mobile-panel a:hover{background:rgba(214,228,85,.12);color:#fff}
.mobile-panel a.is-active{color:var(--accent);font-weight:700}

/* 页面头部 */
.page-hero{position:relative;overflow:hidden;background:var(--brand-deep);color:var(--on-dark);padding:64px 0 56px}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.28;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(7,47,41,.86) 0%,rgba(10,66,58,.92) 100%);
}
.page-hero .grid-container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(234,243,240,.7);margin-bottom:24px;flex-wrap:wrap}
.breadcrumb a{color:rgba(234,243,240,.86)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:var(--accent);font-weight:600}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border-radius:var(--r-badge);
  background:rgba(214,228,85,.16);color:var(--accent);
  font-size:13px;font-weight:600;letter-spacing:.4px;margin-bottom:18px;
}
.page-hero h1{color:#fff;max-width:900px;margin-bottom:18px}
.hero-lead{color:rgba(234,243,240,.86);font-size:17px;line-height:1.8;max-width:720px;margin-bottom:0}
.chip-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.chip{
  padding:9px 18px;border-radius:8px;font-size:15px;
  color:var(--on-dark);background:rgba(255,255,255,.07);
  border:1px solid rgba(234,243,240,.26);
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.chip:hover{background:rgba(214,228,85,.2);border-color:var(--accent);color:#fff;transform:translateY(-2px)}
.chip.is-active{background:var(--accent);color:var(--brand-deep);border-color:var(--accent);font-weight:700}
.chip.is-active:hover{color:var(--brand-deep)}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;margin-top:40px;
  background:rgba(234,243,240,.18);
  border:1px solid rgba(234,243,240,.18);
  border-radius:var(--r-card);overflow:hidden;
}
.hero-stat{background:rgba(7,47,41,.55);padding:20px 22px}
.hero-stat .num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:28px;font-weight:800;color:#fff;line-height:1.2}
.hero-stat .num em{font-style:normal;font-size:14px;color:var(--accent);margin-left:4px;font-weight:700}
.hero-stat .label{font-size:13px;color:rgba(234,243,240,.72);margin-top:4px}

/* 卡片墙 */
.topic-group{margin-bottom:56px}
.topic-group:last-child{margin-bottom:0}
.group-head{display:flex;align-items:center;gap:14px;margin-bottom:24px;flex-wrap:wrap}
.group-head h3{font-size:20px}
.group-head .group-index{
  font-family:var(--font-mono);font-size:13px;font-weight:700;
  color:#B85E20;background:rgba(228,128,63,.14);
  border-radius:var(--r-badge);padding:3px 9px;
}
.group-head .group-note{font-size:14px;color:var(--muted)}
.card{
  position:relative;
  display:flex;flex-direction:column;height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 24px 24px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card::before{content:"";position:absolute;left:24px;top:0;width:44px;height:4px;border-radius:0 0 3px 3px;background:var(--brand)}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-tint-2)}
.card-icon{
  width:44px;height:44px;border-radius:12px;
  background:var(--brand-tint);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:18px;margin:10px 0 18px;
}
.card-title{font-size:18px;font-weight:600;line-height:1.45;margin-bottom:10px;color:var(--ink)}
.card-desc{color:var(--muted);font-size:15px;line-height:1.8;margin-bottom:20px}
.card-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line)}
.card-media{margin:-6px 0 20px;overflow:hidden;border-radius:var(--r-img);border:1px solid var(--line)}
.card-media img{width:100%;height:200px;object-fit:cover;border-radius:0}
.card-tall .card-media img{height:230px}
.card-list{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}
.card-list li{display:flex;gap:10px;font-size:14px;color:var(--muted);line-height:1.75}
.card-list li i{color:var(--brand);font-size:12px;margin-top:8px;flex:none}

/* 深色数据带 */
.data-band{position:relative;overflow:hidden;background:var(--brand-dark);color:var(--on-dark);padding:80px 0}
.data-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
  opacity:.16;
}
.data-band .grid-container{position:relative;z-index:2}
.data-band h2{color:#fff}
.data-band .band-lead{color:rgba(234,243,240,.8);max-width:760px;margin-top:14px;font-size:16px}
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin-top:44px}
.stat-item{
  border:1px solid rgba(234,243,240,.22);
  border-radius:var(--r-card);
  padding:24px 22px;
  background:rgba(7,47,41,.35);
}
.stat-item .value{font-family:var(--font-mono);font-variant-numeric:tabular-nums;font-size:clamp(36px,4vw,52px);font-weight:800;color:#fff;line-height:1.1}
.stat-item .value em{font-style:normal;font-size:16px;color:var(--accent);font-weight:700;margin-left:6px}
.stat-item .cap{font-size:13px;color:rgba(234,243,240,.76);margin-top:10px;line-height:1.6}
.band-note{margin-top:28px;font-size:13px;color:rgba(234,243,240,.66)}

/* 速查表 */
.table-wrap{border:1px solid var(--line);border-radius:var(--r-card);background:#fff;overflow-x:auto;box-shadow:var(--sh-1)}
.data-table{min-width:680px;border-collapse:collapse}
.data-table th{
  background:var(--brand-tint);color:var(--brand-dark);
  font-size:14px;font-weight:700;text-align:left;
  padding:16px 22px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.data-table td{padding:18px 22px;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink);line-height:1.75;vertical-align:top}
.data-table td:first-child{font-weight:600;color:var(--brand-dark);white-space:nowrap}
.data-table tbody tr:last-child td{border-bottom:0}
.data-table tbody tr:hover{background:#FAFBF7}
.table-tip{margin-top:16px;font-size:13px;color:var(--muted)}

/* FAQ */
.faq-list{max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);
  margin-bottom:14px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:var(--brand-tint-2);box-shadow:var(--sh-1)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:18px 24px;
  font-size:17px;font-weight:600;color:var(--ink);
  list-style:none;cursor:pointer;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .chev{color:var(--brand);font-size:14px;transition:transform .2s ease;flex:none}
.faq-item[open] summary .chev{transform:rotate(90deg)}
.faq-item[open] summary{color:var(--brand-dark)}
.faq-body{padding:0 24px 22px}
.faq-body .inner{border-left:3px solid var(--accent);padding-left:18px;color:var(--muted);font-size:15px;line-height:1.85}
.faq-body .inner p{margin-bottom:.8em}

/* CTA 横条 */
.cta-bar{background:var(--brand-dark);color:var(--on-dark);border-radius:var(--r-card);padding:32px 36px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.cta-bar h2{color:#fff;font-size:clamp(20px,2.2vw,26px);margin-bottom:8px}
.cta-bar p{color:rgba(234,243,240,.8);font-size:15px;margin:0}
.cta-bar .cta-actions{flex:none;display:flex;gap:12px;flex-wrap:wrap}

/* 表单 */
.apply-wrap{max-width:820px}
.apply-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-1)}
.field{margin-bottom:20px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field input[type="text"],
.field input[type="tel"],
.field select,
.field textarea{
  width:100%;height:46px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;color:var(--ink);
  transition:border-color .18s ease,background .18s ease,box-shadow .18s ease;
}
.field textarea{height:110px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#9AA6A1}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:var(--brand-tint);
  box-shadow:0 0 0 3px rgba(15,99,87,.1);
}
.field.has-error input,.field.has-error select{border-color:#C4571C;background:rgba(228,128,63,.06)}
.field .err{display:none;font-size:13px;color:#B85E20;margin-top:6px}
.field.has-error .err{display:block}
.check{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--muted);line-height:1.7}
.check input{width:18px;height:18px;margin-top:4px;accent-color:var(--brand);flex:none}
.check a{font-weight:600}
.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:8px}
.form-msg{display:none;margin:0;font-size:14px;font-weight:600;color:var(--brand);background:var(--brand-tint);border-radius:var(--r-btn);padding:10px 16px}
.form-msg.is-show{display:block}

/* 隐私说明 */
.privacy-bar{background:var(--soft-bg);border-top:1px solid var(--line);padding:22px 0}
.privacy-bar p{font-size:13px;color:var(--muted);line-height:1.75;margin:0}
.privacy-bar a{font-weight:600;text-decoration:underline;text-underline-offset:3px}

/* 页脚 */
.site-footer{background:var(--brand-dark);color:rgba(234,243,240,.82);padding:72px 0 26px;margin-top:0}
.site-footer .logo{color:#fff;margin-bottom:16px}
.site-footer .logo:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(234,243,240,.72);max-width:340px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:0}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:rgba(234,243,240,.78);font-size:14px}
.footer-col a:hover{color:var(--accent)}
.footer-col .plain{font-size:14px;line-height:1.8;color:rgba(234,243,240,.72)}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(234,243,240,.16);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(234,243,240,.65);
}
.footer-bottom p{margin:0}
.footer-bottom a{color:rgba(234,243,240,.8)}
.footer-bottom a:hover{color:var(--accent)}

/* 响应式 */
@media screen and (max-width:1024px){
  :root{--sec-y:64px}
  .grid-container{padding-left:24px;padding-right:24px}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-bar{flex-direction:column;align-items:flex-start}
  .cta-bar .cta-actions{width:100%}
  .card-media img{height:180px}
}
@media screen and (max-width:900px){
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .header-actions .btn-primary{display:none}
}
@media screen and (max-width:640px){
  :root{--sec-y:48px}
  .grid-container{padding-left:16px;padding-right:16px}
  .grid-container .grid-x{margin-left:-10px;margin-right:-10px}
  .grid-container .grid-x > .cell{padding-left:10px;padding-right:10px}
  body{font-size:15.5px}
  .header-inner{height:60px}
  .logo{font-size:16px}
  .logo-mark{width:30px;height:30px}
  .page-hero{padding:44px 0 40px}
  .hero-lead{font-size:16px}
  .hero-stats{grid-template-columns:1fr 1fr}
  .hero-stat{padding:16px 16px}
  .hero-stat .num{font-size:24px}
  .chip-bar{gap:8px;margin-top:24px}
  .chip{padding:8px 14px;font-size:14px}
  .section{padding:48px 0}
  .section-head{margin-bottom:32px}
  .card{padding:22px 18px 20px}
  .card::before{left:18px}
  .card-media img{height:170px}
  .stat-grid{grid-template-columns:1fr 1fr;gap:14px}
  .stat-item{padding:18px 16px}
  .data-band{padding:56px 0}
  .cta-bar{padding:26px 20px;border-radius:var(--r-card)}
  .cta-bar .btn{width:100%}
  .cta-bar .cta-actions .btn{width:100%}
  .apply-panel{padding:22px 18px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .faq-item summary{padding:16px 18px;font-size:16px}
  .faq-body{padding:0 18px 18px}
}