/* roulang page: index */
:root{
  --brand-900:#0B3B33;
  --brand-700:#0F6E5C;
  --brand-500:#17907A;
  --brand-100:#E6F2EE;
  --accent-500:#F0972B;
  --accent-600:#D97D12;
  --ink-900:#12201C;
  --ink-600:#4A5A55;
  --line:#DCE6E1;
  --paper:#FFFFFF;
  --paper-2:#F5F8F6;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-badge:6px;
  --shadow-1:0 1px 2px rgba(18,32,28,.06);
  --shadow-2:0 8px 24px -8px rgba(18,32,28,.14);
  --shadow-hover:0 16px 36px -12px rgba(15,110,92,.22);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,serif;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink-900);
  background:var(--paper-2);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
button,input,textarea{font:inherit;color:inherit}
p{margin:0}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.32;color:var(--ink-900)}
h1,h2{font-family:var(--font-serif);letter-spacing:.2px}
:focus-visible{outline:3px solid rgba(15,110,92,.35);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
@media (min-width:1280px){.container{max-width:1240px}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--brand-900);color:#fff}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px}
.topbar-left{
  font-size:13px;line-height:1.6;color:rgba(255,255,255,.86);
  max-width:62%;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;
}
.topbar-right{display:flex;align-items:center;gap:16px;flex-shrink:0}
.topbar-note{font-size:13px;color:rgba(255,255,255,.7)}
.btn-ghost{
  display:inline-flex;align-items:center;
  padding:5px 14px;border:1px solid rgba(255,255,255,.4);border-radius:var(--r-badge);
  font-size:13px;color:#fff;background:transparent;transition:background .2s ease,border-color .2s ease;
}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7)}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--paper);transition:box-shadow .2s ease}
.site-header.is-scrolled{border-bottom:1px solid var(--line);box-shadow:var(--shadow-1)}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:32px;height:32px;border-radius:8px;flex-shrink:0;
  background:var(--brand-700);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;font-family:var(--font-serif);
}
.logo-text{font-size:18px;font-weight:700;color:var(--ink-900);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:12px;flex:1}
.nav-link{position:relative;font-size:17px;font-weight:500;color:var(--ink-600);padding:24px 0;transition:color .2s ease}
.nav-link:hover{color:var(--brand-700)}
.nav-link.active{color:var(--brand-700)}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;
  background:var(--accent-500);border-radius:2px;
}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--paper);flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.mobile-panel{display:none;flex-direction:column;background:var(--paper);border-top:1px solid var(--line);padding:0 24px 20px}
.mobile-link{display:flex;align-items:center;height:52px;font-size:16px;font-weight:500;color:var(--ink-600);border-bottom:1px solid var(--line)}
.mobile-link.active{color:var(--brand-700)}
.mobile-panel .btn{margin-top:16px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:600;font-size:16px;
  padding:14px 28px;border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:var(--brand-700);color:#fff;border-color:var(--brand-700)}
.btn-primary:hover{background:var(--brand-500);border-color:var(--brand-500);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-secondary{background:var(--paper);color:var(--brand-700);border-color:var(--line)}
.btn-secondary:hover{background:var(--brand-100);border-color:var(--brand-500)}
.btn-sm{padding:10px 20px;font-size:15px}
.btn-block{width:100%}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--accent-600);font-weight:600;font-size:15px}
.text-link i{font-style:normal;transition:transform .2s ease}
.text-link:hover i{transform:translateX(4px)}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-alt{background:var(--paper-2)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-title{font-size:clamp(24px,3vw,32px)}
.section-desc{margin-top:12px;font-size:16px;color:var(--ink-600);max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:1px;
  color:var(--brand-700);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--accent-500);border-radius:2px}
.badge{
  display:inline-flex;align-items:center;padding:3px 10px;border-radius:var(--r-badge);
  font-size:12px;font-weight:600;background:var(--brand-100);color:var(--brand-700);
}
.badge-accent{background:var(--accent-500);color:#fff}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--paper-2);padding:88px 0 56px;overflow:hidden;border-bottom:1px solid var(--line)}
.hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:560px;height:560px;pointer-events:none;
  background-image:repeating-radial-gradient(circle at 70% 80%,rgba(15,110,92,.08) 0 1px,transparent 1px 28px);
}
.hero-inner{position:relative;z-index:2}
.hero-copy{padding-right:24px}
.hero h1{
  font-size:clamp(28px,4.2vw,44px);line-height:1.28;
  font-family:var(--font-serif);margin-bottom:16px;
}
.hero-sub{font-size:17px;color:var(--ink-600);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:40px;padding-top:28px;border-top:1px solid var(--line)}
.stat-num{font-size:24px;font-weight:700;letter-spacing:.5px;color:var(--brand-700)}
.stat-label{font-size:14px;color:var(--ink-600)}
.hero-media{position:relative}
.hero-img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);box-shadow:var(--shadow-2)}
.hero-badge{
  position:absolute;left:20px;bottom:20px;
  background:var(--brand-700);color:#fff;border-radius:var(--r-img);
  padding:14px 18px;box-shadow:var(--shadow-2);max-width:78%;
}
.hero-badge b{display:block;font-size:26px;line-height:1.1;letter-spacing:.5px}
.hero-badge span{font-size:13px;color:rgba(255,255,255,.82)}

/* ---------- 三步上手 ---------- */
.steps-row{position:relative}
.steps-row::before{
  content:"";position:absolute;left:0;right:0;top:24px;border-top:1px dashed var(--line);
}
.step{position:relative;z-index:1;padding:0 32px 0 0}
.step-no{
  width:48px;height:48px;border-radius:var(--r-img);background:var(--brand-100);color:var(--accent-600);
  font-size:20px;font-weight:700;letter-spacing:.5px;
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;
}
.step-title{font-size:20px;margin-bottom:10px}
.step-text{font-size:15px;color:var(--ink-600);margin-bottom:14px}
.step-note{font-size:14px;color:var(--ink-600);margin-bottom:16px;padding-left:14px;border-left:2px solid var(--brand-500)}

/* ---------- 案例证明 ---------- */
.collage{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.collage figure{margin:0;overflow:hidden;border-radius:var(--r-img);border:1px solid var(--line);background:var(--paper)}
.collage img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .2s ease}
.collage figure:hover img{transform:scale(1.03)}
.case-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease;
}
.case-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.case-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.case-body{padding:22px}
.case-title{font-size:20px;margin:12px 0 10px}
.case-text{font-size:15px;color:var(--ink-600)}
.metrics{display:flex;flex-wrap:wrap;gap:32px;margin-top:20px;padding-top:20px;border-top:1px solid var(--line)}
.metric-num{font-size:24px;font-weight:700;letter-spacing:.5px;color:var(--brand-700)}
.metric-label{font-size:14px;color:var(--ink-600)}

/* ---------- 资讯列表 ---------- */
.news-grid>.cell{margin-bottom:24px}
.news-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.news-thumb{background:var(--paper-2);border-bottom:1px solid var(--line)}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .2s ease}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-title{font-size:18px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-text{font-size:15px;color:var(--ink-600);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:14px;color:var(--ink-600)}
.news-meta i{font-style:normal;color:var(--accent-600);font-weight:700;transition:transform .2s ease}
.news-card:hover .news-meta i{transform:translateX(4px)}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);background:var(--paper);
  padding:48px 24px;text-align:center;
}
.empty-icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:var(--r-img);
  background:var(--paper-2);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--brand-700);
}
.empty-state p{color:var(--ink-600);margin-bottom:18px}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;background:transparent;border:0;cursor:pointer;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:17px;font-weight:600;color:var(--ink-900);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--brand-700)}
.faq-item.is-open .faq-q{color:var(--brand-700)}
.faq-icon{
  flex-shrink:0;width:20px;height:20px;position:relative;transition:transform .18s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand-700);border-radius:2px;
}
.faq-icon::before{left:0;right:0;top:9px;height:2px}
.faq-icon::after{top:0;bottom:0;left:9px;width:2px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .18s ease}
.faq-item.is-open .faq-a{max-height:360px}
.faq-a p{font-size:15px;color:var(--ink-600);padding-bottom:20px;padding-right:36px}
.faq-aside{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);
}
.faq-aside h3{font-size:18px;margin-bottom:10px}
.faq-aside p{font-size:15px;color:var(--ink-600);margin-bottom:16px}

/* ---------- CTA ---------- */
.cta-section{padding:96px 0}
.cta-block{
  background-color:var(--brand-700);
  background-image:linear-gradient(180deg,var(--brand-700) 92%,var(--brand-900) 100%);
  border-radius:20px;padding:56px 48px;color:#fff;
}
.cta-block h2{color:#fff;font-size:clamp(24px,3vw,32px)}
.cta-block .cta-sub{color:rgba(255,255,255,.84);font-size:16px;margin-top:14px;max-width:460px}
.cta-list{margin-top:28px;display:grid;gap:14px}
.cta-list li{display:flex;gap:12px;font-size:15px;color:rgba(255,255,255,.92)}
.check{
  flex-shrink:0;width:22px;height:22px;border-radius:6px;background:rgba(255,255,255,.16);
  display:flex;align-items:center;justify-content:center;font-size:13px;color:#fff;margin-top:4px;
}
.cta-form{background:var(--paper);border-radius:var(--r-card);padding:28px;box-shadow:var(--shadow-2);color:var(--ink-900)}
.cta-form h3{font-size:20px;margin-bottom:6px}
.cta-form .form-tip-lead{font-size:14px;color:var(--ink-600);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.field input,.field textarea{
  width:100%;height:48px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-btn);background:var(--paper);
  font-size:15px;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(23,144,122,.16);
}
.form-tip{font-size:13px;color:var(--ink-600);margin-top:12px}
.form-msg{font-size:14px;color:var(--brand-700);font-weight:600;margin-top:12px;display:none}
.form-msg.show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{font-size:14px;margin-top:16px;max-width:300px;line-height:1.8}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease}
.footer-col a:hover{color:#fff}
.footer-contact p{font-size:14px;margin-bottom:10px}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.16);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-inner{justify-content:space-between;height:60px}
  .logo-text{font-size:16px}
  .nav-right .btn-sm{padding:9px 16px;font-size:14px}
  .section,.cta-section{padding:64px 0}
  .hero{padding:64px 0 48px}
  .hero-copy{padding-right:0;margin-bottom:40px}
  .steps-row::before{left:23px;right:auto;top:0;bottom:0;width:0;border-top:0;border-left:1px dashed var(--line)}
  .step{padding:0 0 32px 72px}
  .step-no{position:absolute;left:0;top:0;margin-bottom:0}
  .faq-aside{margin-bottom:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:639px){
  .container{padding:0 16px}
  body{font-size:15px}
  .topbar-left{font-size:12px;max-width:56%}
  .topbar-note{display:none}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .hero-stats{gap:20px 32px}
  .stat{min-width:120px}
  .collage{grid-template-columns:1fr 1fr;gap:10px}
  .cta-block{padding:36px 22px;border-radius:16px}
  .cta-form{padding:22px}
  .metrics{gap:24px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{justify-content:center;text-align:center}
  .news-grid>.cell{margin-bottom:16px}
}

/* roulang page: article */
:root{
  --brand-900:#0B3B33;
  --brand-700:#0F6E5C;
  --brand-500:#17907A;
  --brand-100:#E6F2EE;
  --accent-500:#F0972B;
  --accent-600:#D97D12;
  --ink-900:#12201C;
  --ink-600:#4A5A55;
  --line:#DCE6E1;
  --paper:#FFFFFF;
  --paper-2:#F5F8F6;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-badge:6px;
  --r-lg:20px;
  --shadow-1:0 1px 2px rgba(18,32,28,.06);
  --shadow-2:0 8px 24px -8px rgba(18,32,28,.14);
  --shadow-3:0 16px 36px -12px rgba(15,110,92,.22);
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",Helvetica,Arial,sans-serif;
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,serif;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-900);
  background:var(--paper-2);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-700);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(15,110,92,.35);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}

/* ---------- topbar ---------- */
.topbar{background:var(--brand-900);color:#fff;font-size:13px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:40px;}
.topbar-note{max-width:62%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:rgba(255,255,255,.82);letter-spacing:.2px;}
.topbar-actions{display:flex;align-items:center;gap:16px;flex-shrink:0;}
.topbar-btn{
  display:inline-flex;align-items:center;height:26px;padding:0 14px;border-radius:8px;
  border:1px solid rgba(255,255,255,.4);color:#fff;font-size:13px;line-height:1;
  transition:background .2s ease,border-color .2s ease;
}
.topbar-btn:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.65);}
.topbar-tel{color:rgba(255,255,255,.72);}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--paper);border-bottom:1px solid transparent;transition:border-color .2s ease,box-shadow .2s ease;}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:var(--shadow-1);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo:hover{color:var(--ink-900);}
.logo-mark{
  width:32px;height:32px;border-radius:8px;background:var(--brand-700);color:#fff;
  display:grid;place-items:center;font-size:16px;font-weight:700;letter-spacing:0;flex-shrink:0;
}
.logo-text{font-size:18px;font-weight:700;letter-spacing:.2px;}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-link{position:relative;font-size:17px;font-weight:500;color:var(--ink-600);padding:8px 0;line-height:1.2;}
.nav-link:hover{color:var(--brand-700);}
.nav-link.active{color:var(--brand-700);}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-11px;height:2px;
  background:var(--accent-500);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:#fff;position:relative;cursor:pointer;padding:0;
}
.nav-toggle span{
  position:absolute;left:12px;right:12px;height:2px;background:var(--ink-900);border-radius:2px;
  transition:transform .22s ease,opacity .22s ease;
}
.nav-toggle span:nth-child(1){top:15px;}
.nav-toggle span:nth-child(2){top:21px;}
.nav-toggle span:nth-child(3){top:27px;}
.nav-toggle.is-active span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-active span:nth-child(2){opacity:0;}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.mobile-panel{
  display:none;background:#fff;border-top:1px solid var(--line);
  box-shadow:var(--shadow-2);padding:0 0 20px;
}
.mobile-panel.is-open{display:block;}
.mobile-panel a.mobile-link{
  display:flex;align-items:center;height:52px;padding:0 24px;font-size:16px;font-weight:500;
  color:var(--ink-900);border-bottom:1px solid var(--line);
}
.mobile-panel a.mobile-link.active{color:var(--brand-700);}
.mobile-panel .mobile-cta{padding:20px 24px 0;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;line-height:1.2;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  text-align:center;
}
.btn-primary{background:var(--brand-700);color:#fff;}
.btn-primary:hover{background:var(--brand-500);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand-700);}
.btn-ghost:hover{background:var(--brand-100);border-color:var(--brand-500);color:var(--brand-700);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--accent-600);font-weight:600;font-size:15px;}
.text-link .arrow{transition:transform .2s ease;}
.text-link:hover{color:var(--accent-600);}
.text-link:hover .arrow{transform:translateX(4px);}

/* ---------- badges ---------- */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-badge);font-size:12px;font-weight:600;background:var(--brand-100);color:var(--brand-700);letter-spacing:.2px;}
.badge-accent{background:var(--accent-500);color:#fff;}

/* ---------- breadcrumb ---------- */
.breadcrumb-bar{background:var(--paper-2);border-bottom:1px solid var(--line);}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-600);padding:18px 0;}
.breadcrumb .sep{color:#A9B7B2;}
.breadcrumb a:hover{color:var(--brand-700);}
.breadcrumb .current{color:var(--ink-900);font-weight:600;}

/* ---------- article ---------- */
.article-wrap{padding:40px 0 0;}
.article-shell{max-width:780px;margin:0 auto;}
.article-head{padding-bottom:22px;border-bottom:1px solid var(--line);}
.article-title{
  font-family:var(--serif);font-weight:700;font-size:clamp(24px,3.2vw,34px);
  line-height:1.35;color:var(--ink-900);margin:10px 0 16px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--ink-600);}
.article-meta .dot{color:#B6C4BF;}
.article-body{max-width:780px;margin:0 auto;padding:32px 0 12px;font-size:16px;line-height:1.9;letter-spacing:0;color:var(--ink-900);word-break:break-word;}
.article-body p{margin:0 0 20px;}
.article-body h2{
  position:relative;font-family:var(--serif);font-weight:700;font-size:26px;line-height:1.4;
  margin:38px 0 16px;padding-left:16px;color:var(--ink-900);
}
.article-body h2::before{content:"";position:absolute;left:0;top:.28em;width:8px;height:.85em;background:var(--accent-500);border-radius:2px;}
.article-body h3{font-size:20px;font-weight:700;line-height:1.5;margin:28px 0 12px;color:var(--ink-900);}
.article-body h4{font-size:17px;font-weight:700;margin:22px 0 10px;}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;border-left:3px solid var(--brand-500);
  background:var(--paper-2);border-radius:0 10px 10px 0;color:var(--ink-600);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 20px;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:8px;}
.article-body img{border-radius:var(--r-img);margin:20px 0;box-shadow:var(--shadow-1);}
.article-body figure{margin:24px 0;}
.article-body figure img{margin:0 0 8px;}
.article-body figcaption{font-size:13px;color:var(--ink-600);text-align:center;}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;}
.article-body th{background:var(--brand-100);color:var(--brand-700);font-weight:600;text-align:left;padding:12px 14px;border:1px solid var(--line);}
.article-body td{padding:12px 14px;border:1px solid var(--line);}
.article-body code{
  font-family:ui-monospace,Menlo,Consolas,monospace;font-size:14px;background:var(--paper-2);
  padding:2px 6px;border-radius:6px;border:1px solid var(--line);
}
.article-body pre{
  background:var(--paper-2);border:1px solid var(--line);border-radius:10px;padding:16px;
  overflow-x:auto;margin:20px 0;
}
.article-body pre code{background:none;border:0;padding:0;}
.article-body strong{font-weight:700;color:var(--ink-900);}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:32px 0;}

/* ---------- empty state ---------- */
.empty-state{
  border:1px dashed var(--line);background:#fff;border-radius:var(--r-card);
  padding:56px 24px;text-align:center;
}
.empty-state .empty-title{font-family:var(--serif);font-size:22px;font-weight:700;margin-bottom:10px;}
.empty-state p{color:var(--ink-600);font-size:15px;margin-bottom:20px;}

/* ---------- article foot ---------- */
.article-foot{max-width:780px;margin:0 auto;padding:26px 0 0;border-top:1px solid var(--line);}
.foot-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:14px;color:var(--ink-600);
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.tag:hover{background:var(--brand-100);border-color:var(--brand-500);color:var(--brand-700);}
.share-row{display:flex;align-items:center;gap:10px;}
.share-label{font-size:14px;color:var(--ink-600);}
.share-btn{
  width:36px;height:36px;border-radius:8px;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;color:var(--ink-600);cursor:pointer;padding:0;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.share-btn:hover{background:var(--brand-100);border-color:var(--brand-500);color:var(--brand-700);}
.share-btn svg{width:18px;height:18px;fill:currentColor;}

/* ---------- related ---------- */
.related-section{padding:72px 0 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.section-title{font-family:var(--serif);font-size:clamp(24px,2.6vw,30px);font-weight:700;line-height:1.3;}
.section-sub{margin-top:10px;color:var(--ink-600);font-size:15px;}
.related-grid{margin-top:4px;}
.card{
  display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-3);border-color:#CFE0D9;}
.card-media{position:relative;aspect-ratio:16/9;background:var(--paper-2);overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-media .badge{position:absolute;left:12px;top:12px;}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:18px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-desc{font-size:15px;line-height:1.75;color:var(--ink-600);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);display:flex;align-items:center;justify-content:space-between;font-size:14px;color:var(--ink-600);}
.related-actions{display:flex;justify-content:center;margin-top:36px;}

/* ---------- cta ---------- */
.cta-section{padding:96px 0 0;}
.cta-band{
  background:var(--brand-700);border-radius:var(--r-lg);padding:48px;color:#fff;
  background-image:linear-gradient(180deg,rgba(11,59,51,0) 92%,rgba(11,59,51,.85) 100%);
  overflow:hidden;
}
.cta-band .grid-x{row-gap:32px;}
.cta-title{font-family:var(--serif);font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.35;margin-bottom:14px;color:#fff;}
.cta-text{color:rgba(255,255,255,.82);font-size:15px;line-height:1.85;margin-bottom:22px;}
.check-list li{display:flex;align-items:flex-start;gap:10px;margin-bottom:12px;color:rgba(255,255,255,.92);font-size:15px;}
.check-list .check{
  width:20px;height:20px;border-radius:50%;background:rgba(255,255,255,.16);color:#fff;
  display:grid;place-items:center;font-size:12px;flex-shrink:0;margin-top:4px;
}
.lead-card{background:#fff;border-radius:var(--r-card);box-shadow:var(--shadow-2);padding:24px;color:var(--ink-900);}
.lead-card h3{font-size:18px;font-weight:700;margin-bottom:16px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:14px;color:var(--ink-600);margin-bottom:6px;}
.field input,.field select{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:#fff;color:var(--ink-900);transition:border-color .18s ease,box-shadow .18s ease;
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink-600) 50%),linear-gradient(135deg,var(--ink-600) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.field input:focus,.field select:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(23,144,122,.18);}
.form-tip{font-size:13px;color:var(--ink-600);margin-top:12px;line-height:1.7;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);margin-top:96px;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.85;max-width:320px;}
.footer-col h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;}
.footer-contact p{font-size:14px;line-height:1.85;margin-bottom:8px;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.16);padding:22px 0 28px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- responsive ---------- */
@media screen and (max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:block;}
  .header-inner{height:60px;}
  .logo-text{font-size:16px;}
  .header-actions .btn-primary{display:none;}
  .section{padding:64px 0;}
  .cta-band{padding:32px;}
}
@media screen and (max-width:860px){
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media screen and (max-width:767px){
  .container{padding:0 16px;}
  .topbar-tel{display:none;}
  .topbar-note{max-width:72%;}
  .article-body{font-size:15px;line-height:1.85;}
  .article-body h2{font-size:22px;margin-top:30px;}
  .article-body h3{font-size:18px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .related-section{padding:56px 0 0;}
  .cta-section{padding:56px 0 0;}
  .site-footer{margin-top:56px;padding-top:48px;}
}
@media screen and (max-width:560px){
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{justify-content:center;text-align:center;}
  .foot-row{flex-direction:column;align-items:flex-start;}
  .cta-band{padding:26px 20px;}
  .article-title{margin-top:8px;}
}

/* roulang page: category1 */
:root{
  --brand-900:#0B3B33;
  --brand-700:#0F6E5C;
  --brand-500:#17907A;
  --brand-100:#E6F2EE;
  --accent-500:#F0972B;
  --accent-600:#D97D12;
  --ink-900:#12201C;
  --ink-600:#4A5A55;
  --line:#DCE6E1;
  --paper:#FFFFFF;
  --paper-2:#F5F8F6;
  --danger:#C0392B;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-input:10px;
  --radius-img:12px;
  --radius-badge:6px;
  --radius-cta:20px;
  --shadow-1:0 1px 2px rgba(18,32,28,.06);
  --shadow-2:0 8px 24px -8px rgba(18,32,28,.14);
  --shadow-hover:0 16px 36px -12px rgba(15,110,92,.22);
  --container:1200px;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",Georgia,serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink-900);
  background:var(--paper-2);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,h6,p,figure,blockquote{margin:0}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;padding:0}
input,select,textarea{font:inherit;color:inherit}
table{border-collapse:collapse}
:focus{outline:none}
:focus-visible{outline:3px solid rgba(15,110,92,.35);outline-offset:2px;border-radius:6px}
::selection{background:var(--brand-100);color:var(--brand-900)}

/* 容器 */
.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px}
@media (min-width:1280px){.container{max-width:1240px}}

/* 顶部信息条 */
.topbar{background:var(--brand-900);color:#fff;font-size:13px;line-height:1.6}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px}
.topbar-note{max-width:62%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:rgba(255,255,255,.76)}
.topbar-right{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.topbar-right .topbar-text{color:rgba(255,255,255,.76);white-space:nowrap}
.ghost-btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 16px;border-radius:8px;
  border:1px solid rgba(255,255,255,.4);
  color:#fff;font-size:13px;font-weight:600;line-height:1;
  transition:background .2s ease,border-color .2s ease;
}
.ghost-btn:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7)}

/* 主导航 */
.site-header{position:sticky;top:0;z-index:80;background:var(--paper);transition:box-shadow .25s ease,border-color .25s ease;border-bottom:1px solid transparent}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--shadow-1)}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:32px;height:32px;border-radius:8px;background:var(--brand-700);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;line-height:1;
}
.logo-text{font-size:18px;font-weight:700;color:var(--ink-900);letter-spacing:.2px}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:72px;
  font-size:17px;font-weight:500;color:var(--ink-900);
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:16px;transform:translateX(-50%) scaleX(0);
  width:100%;height:2px;background:var(--accent-500);border-radius:2px;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--brand-700)}
.nav-link:hover::after{transform:translateX(-50%) scaleX(.4)}
.nav-link.active{color:var(--brand-700);font-weight:600}
.nav-link.active::after{transform:translateX(-50%) scaleX(1)}
.header-cta{display:inline-flex;align-items:center;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;color:var(--brand-700);background:#fff;
  transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--brand-100);border-color:var(--brand-500)}
.nav-toggle i{font-size:18px}
.mobile-panel{display:none;background:#fff;border-top:1px solid var(--line);padding:8px 0 20px}
.mobile-panel.is-open{display:block}
.mobile-panel .m-link{
  display:flex;align-items:center;min-height:52px;font-size:16px;font-weight:500;
  border-bottom:1px solid var(--line);color:var(--ink-900);
}
.mobile-panel .m-link.active{color:var(--brand-700);font-weight:600}
.mobile-panel .btn{width:100%;margin-top:18px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;min-height:48px;border-radius:var(--radius-btn);
  font-size:16px;font-weight:600;line-height:1.2;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--brand-700);color:#fff}
.btn-primary:hover{background:var(--brand-500);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-secondary{background:#fff;border-color:var(--line);color:var(--brand-700)}
.btn-secondary:hover{background:var(--brand-100);border-color:var(--brand-500);color:var(--brand-700)}
.btn-secondary:active{transform:translateY(1px)}
.btn-sm{padding:11px 22px;min-height:42px;font-size:15px}
.btn-block{width:100%}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--accent-600);font-weight:600;font-size:15px;
  transition:color .2s ease;
}
.btn-link .arrow{transition:transform .2s ease;display:inline-block}
.btn-link:hover .arrow{transform:translateX(4px)}
.btn-link:focus-visible{outline:3px solid rgba(15,110,92,.35)}

/* 徽章 / 标签 */
.badge{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--radius-badge);
  background:var(--brand-100);color:var(--brand-700);font-size:12px;font-weight:600;line-height:1.7;
}
.badge-accent{background:var(--accent-500);color:#fff}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:1px;
  color:var(--accent-600);margin-bottom:12px;
}

/* Hero 带 */
.page-hero{
  position:relative;display:flex;align-items:center;overflow:hidden;
  min-height:266px;color:#fff;background-color:var(--brand-900);
  background-image:linear-gradient(rgba(11,59,51,.78),rgba(11,59,51,.78)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-radial-gradient(circle at 88% 12%,transparent 0 42px,rgba(255,255,255,.07) 42px 43px);
  opacity:.9;
}
.page-hero .container{position:relative;z-index:2;padding-top:56px;padding-bottom:56px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:20px}
.breadcrumb a{color:rgba(255,255,255,.68);transition:color .2s ease}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:#fff;font-weight:600}
.page-hero .hero-tag{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  padding:5px 12px;border-radius:8px;font-size:13px;font-weight:600;
  color:rgba(255,255,255,.9);background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.26);
}
.page-hero h1{
  font-family:var(--serif);font-weight:700;color:#fff;
  font-size:clamp(28px,3.8vw,42px);line-height:1.28;letter-spacing:.5px;
}
.page-hero .lead{margin-top:16px;max-width:660px;font-size:17px;line-height:1.75;color:rgba(255,255,255,.82)}

/* 板块 */
.section{padding:96px 0}
.section-alt{background:var(--paper)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{
  font-family:var(--serif);font-weight:700;line-height:1.34;
  font-size:clamp(24px,2.6vw,31px);color:var(--ink-900);
}
.section-head p{margin-top:14px;font-size:16px;color:var(--ink-600)}
.section-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}

/* 左图右文 */
.intro-grid{display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center}
.intro-media{position:relative}
.figure{border-radius:var(--radius-img);overflow:hidden;box-shadow:var(--shadow-2);background:var(--paper-2)}
.figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.intro-badge{
  position:absolute;left:18px;bottom:18px;z-index:3;
  background:var(--brand-700);color:#fff;border-radius:12px;padding:12px 18px;
  box-shadow:0 12px 28px -12px rgba(11,59,51,.6);
}
.intro-badge-num{display:block;font-size:20px;font-weight:700;letter-spacing:.5px;line-height:1.3}
.intro-badge-label{display:block;font-size:13px;color:rgba(255,255,255,.82)}
.intro-copy h2{
  font-family:var(--serif);font-weight:700;line-height:1.34;color:var(--ink-900);
  font-size:clamp(23px,2.4vw,30px);
}
.intro-copy p{margin-top:16px;font-size:16px;color:var(--ink-600)}
.check-list{margin-top:24px}
.check-list li{
  display:flex;gap:12px;padding:12px 0;font-size:15.5px;color:var(--ink-600);
  border-bottom:1px dashed var(--line);
}
.check-list li:last-child{border-bottom:0}
.check-list li::before{
  content:"✓";flex:0 0 auto;width:22px;height:22px;margin-top:6px;
  display:flex;align-items:center;justify-content:center;
  border-radius:6px;background:var(--brand-100);color:var(--brand-700);
  font-size:12px;font-weight:700;line-height:1;
}
.intro-copy .btn-link{margin-top:24px}

/* 场景标签带 */
.scene-band{
  background:var(--paper);border:1px solid var(--line);border-radius:18px;
  padding:32px;box-shadow:var(--shadow-1);
}
.chip-row{display:flex;flex-wrap:wrap;gap:12px}
.chip{
  display:inline-flex;align-items:center;gap:8px;padding:10px 18px;
  border-radius:999px;background:var(--paper-2);border:1px solid var(--line);
  font-size:15px;color:var(--ink-900);transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease;
}
.chip i{color:var(--brand-500);font-size:13px}
.chip:hover{background:var(--brand-100);border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-2px)}
.scene-band .scene-note{margin-top:22px;font-size:15px;color:var(--ink-600);padding-top:20px;border-top:1px solid var(--line)}

/* 三列特性条 */
.feature-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.strip-item{
  display:flex;gap:16px;padding:22px;background:var(--paper);
  border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.strip-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--brand-500)}
.strip-icon{
  flex:0 0 auto;width:44px;height:44px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-100);color:var(--brand-700);font-size:18px;
}
.strip-body h3{font-size:18px;font-weight:700;line-height:1.5;color:var(--ink-900)}
.strip-body p{margin-top:8px;font-size:15px;color:var(--ink-600)}
.strip-body .btn-link{margin-top:12px;font-size:14px}

/* 数据块 */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease;
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.stat-num{font-size:26px;font-weight:700;letter-spacing:.5px;color:var(--brand-700);line-height:1.3}
.stat-label{margin-top:8px;font-size:14px;color:var(--ink-600)}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;align-items:start}
.faq-item{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.is-open{border-color:var(--brand-500);box-shadow:var(--shadow-2)}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:14px;
  text-align:left;padding:20px;font-size:17px;font-weight:600;line-height:1.55;color:var(--ink-900);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--brand-700)}
.faq-item.is-open .faq-q{color:var(--brand-700)}
.faq-icon{position:relative;flex:0 0 auto;width:20px;height:20px;margin-top:4px;transition:transform .18s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 20px 22px;font-size:15px;line-height:1.8;color:var(--ink-600)}

/* CTA */
.cta-section{padding-bottom:96px}
.cta-block{
  position:relative;overflow:hidden;border-radius:var(--radius-cta);
  background:var(--brand-700);color:#fff;padding:48px;
  display:grid;grid-template-columns:7fr 5fr;gap:44px;
}
.cta-block::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:8%;pointer-events:none;
  background:linear-gradient(180deg,rgba(11,59,51,0),rgba(11,59,51,.6));
}
.cta-left{position:relative;z-index:2}
.cta-left h2{font-family:var(--serif);font-weight:700;line-height:1.34;font-size:clamp(22px,2.4vw,30px);color:#fff}
.cta-left > p{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.85);max-width:520px}
.cta-points{margin-top:24px}
.cta-points li{display:flex;gap:10px;padding:7px 0;font-size:15.5px;color:rgba(255,255,255,.92)}
.cta-points li i{color:var(--accent-500);font-size:14px;margin-top:6px}
.cta-form{
  position:relative;z-index:2;background:var(--paper);color:var(--ink-900);
  border-radius:var(--radius-card);box-shadow:var(--shadow-2);padding:24px;
}
.cta-form h3{font-size:18px;font-weight:700;line-height:1.5;margin-bottom:6px}
.cta-form .form-sub{font-size:14px;color:var(--ink-600);margin-bottom:18px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--ink-900)}
.field input,.field select{
  width:100%;height:48px;padding:0 14px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-input);font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:#9AA8A3}
.field input:focus,.field select:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(23,144,122,.18)}
.field .error{display:none;margin-top:6px;font-size:13px;color:var(--danger)}
.field.has-error input,.field.has-error select{border-color:var(--danger)}
.field.has-error .error{display:block}
.form-note{margin-top:12px;font-size:13px;color:var(--ink-600);line-height:1.7}
.form-success{
  display:none;margin-top:14px;padding:12px 14px;border-radius:10px;
  background:var(--brand-100);color:var(--brand-700);font-size:14px;font-weight:600;line-height:1.7;
}
.form-success.is-visible{display:block}

/* 页脚 */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px}
.footer-brand .logo-mark{background:var(--brand-500)}
.footer-brand .logo-text{color:#fff}
.footer-brand p{margin-top:16px;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.72);max-width:320px}
.footer-col h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;line-height:1.6}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.72);transition:color .2s ease}
.footer-col a:hover{color:#fff}
.footer-contact p{font-size:14.5px;color:rgba(255,255,255,.72);margin-bottom:8px;line-height:1.8}
.footer-bottom{
  margin-top:48px;padding:24px 0;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* 响应式 */
@media (max-width:1279px){
  .container{max-width:1100px}
}
@media (max-width:1024px){
  .nav-links{display:none}
  .header-cta{display:none}
  .nav-toggle{display:flex}
  .nav-bar{height:60px}
  .logo-text{font-size:17px}
  .section{padding:72px 0}
  .cta-section{padding-bottom:80px}
  .intro-grid{grid-template-columns:1fr;gap:32px}
  .feature-strip{grid-template-columns:1fr;gap:16px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .faq-grid{grid-template-columns:repeat(2,1fr)}
  .cta-block{grid-template-columns:1fr;gap:32px;padding:36px}
  .footer-grid{grid-template-columns:2fr 1fr 1fr;gap:32px}
  .footer-contact{grid-column:1 / -1}
}
@media (max-width:640px){
  body{font-size:15px;line-height:1.82}
  .container{padding-left:16px;padding-right:16px}
  .topbar-note{display:none}
  .topbar-right .topbar-text{display:none}
  .topbar .container{min-height:44px}
  .logo-text{font-size:16px}
  .section{padding:56px 0}
  .section-head{margin-bottom:28px}
  .section-head--split{flex-direction:column;align-items:flex-start;gap:12px}
  .page-hero{min-height:240px}
  .page-hero .container{padding-top:40px;padding-bottom:40px}
  .page-hero .lead{font-size:15.5px}
  .intro-badge{left:12px;bottom:12px;padding:10px 14px}
  .scene-band{padding:22px}
  .chip{padding:9px 15px;font-size:14px}
  .stats-grid{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .cta-block{padding:26px 20px;border-radius:16px}
  .cta-form{padding:20px}
  .cta-section{padding-bottom:96px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{justify-content:center;text-align:center}
  .btn{padding:13px 22px;font-size:15px}
}

/* roulang page: category2 */
:root{
  --brand-900:#0B3B33;
  --brand-700:#0F6E5C;
  --brand-500:#17907A;
  --brand-100:#E6F2EE;
  --accent-500:#F0972B;
  --accent-600:#D97D12;
  --ink-900:#12201C;
  --ink-600:#4A5A55;
  --line:#DCE6E1;
  --paper:#FFFFFF;
  --paper-2:#F5F8F6;
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:12px;
  --r-badge:6px;
  --r-cta:20px;
  --shadow-1:0 1px 2px rgba(18,32,28,.06);
  --shadow-2:0 8px 24px -8px rgba(18,32,28,.14);
  --shadow-hover:0 16px 36px -12px rgba(15,110,92,.22);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",serif;
  --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink-900);
  background:var(--paper-2);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-700);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent-600)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
h1,h2,h3,h4{line-height:1.32;font-weight:700}
h1,h2{font-family:var(--serif);letter-spacing:.2px}
:focus{outline:none}
:focus-visible{outline:3px solid rgba(15,110,92,.35);outline-offset:2px;border-radius:4px}
::selection{background:var(--brand-100);color:var(--brand-900)}
section[id]{scroll-margin-top:96px}

/* 容器 */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media(min-width:1280px){.container{max-width:1240px}}
@media(max-width:640px){.container{padding:0 16px}}

/* 顶部信息条 */
.topbar{background:var(--brand-900);color:rgba(255,255,255,.86);font-size:13px;min-height:38px;display:flex;align-items:center}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-note{max-width:62%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;line-height:38px}
.topbar-actions{display:flex;align-items:center;gap:16px;flex-shrink:0}
.topbar-btn{border:1px solid rgba(255,255,255,.4);border-radius:8px;padding:4px 12px;color:#fff;font-size:13px;line-height:1.6;transition:background .2s ease,color .2s ease}
.topbar-btn:hover{background:rgba(255,255,255,.12);color:#fff}
.topbar-tel{color:rgba(255,255,255,.78)}
@media(max-width:860px){.topbar-tel{display:none}}
@media(max-width:640px){.topbar-note{max-width:46%}}

/* 主导航 */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid transparent;transition:box-shadow .25s ease,border-color .25s ease}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--shadow-1)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:32px;height:32px;border-radius:8px;background:var(--brand-700);color:#fff;display:grid;place-items:center;font-weight:700;font-size:17px;line-height:1;letter-spacing:0}
.logo-text{font-size:18px;font-weight:700;color:var(--ink-900);letter-spacing:.2px}
.logo:hover .logo-text{color:var(--brand-700)}
.nav-right{display:flex;align-items:center;gap:28px}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;font-size:17px;font-weight:500;color:var(--ink-900);padding:6px 0;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;background:transparent;transition:background .2s ease}
.nav-link:hover{color:var(--brand-700)}
.nav-link.active{color:var(--brand-700)}
.nav-link.active::after{background:var(--accent-500)}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:10px;align-items:center;justify-content:center;font-size:18px;color:var(--ink-900);cursor:pointer;transition:background .2s ease,border-color .2s ease}
.nav-toggle:hover{background:var(--brand-100);border-color:var(--brand-500)}
.mobile-panel{display:none;background:#fff;border-top:1px solid var(--line);padding:6px 0 18px}
.mobile-panel.is-open{display:block}
.mobile-panel a{display:flex;align-items:center;height:52px;font-size:16px;font-weight:500;color:var(--ink-900);border-bottom:1px solid var(--line)}
.mobile-panel a:last-of-type{border-bottom:0}
.mobile-panel a.active{color:var(--brand-700)}
.mobile-panel .btn{width:100%;margin-top:14px}
@media(max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-inner{height:60px}
  .logo-text{font-size:16px}
  .nav-right{gap:14px}
}
@media(max-width:767px){
  .nav-right .btn{display:none}
}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border:1px solid transparent;border-radius:var(--r-btn);font-size:16px;font-weight:600;line-height:1.1;cursor:pointer;transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease,border-color .2s ease;text-align:center}
.btn i{transition:transform .18s ease}
.btn-primary{background:var(--brand-700);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--brand-500);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand-700)}
.btn-ghost:hover{background:var(--brand-100);border-color:var(--brand-500);color:var(--brand-700)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--accent-600);font-size:15px;font-weight:600}
.link-more i{font-size:12px}
.link-more:hover{color:var(--accent-600)}
.link-more:hover i{transform:translateX(4px)}

/* 通用板块 */
.section{padding:96px 0}
.section--white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-700);background:var(--brand-100);border-radius:var(--r-badge);padding:5px 10px;margin-bottom:16px}
.eyebrow i{font-size:12px;color:var(--accent-600)}
.section-title{font-size:clamp(24px,3vw,30px);color:var(--ink-900)}
.section-sub{color:var(--ink-600);font-size:15.5px;margin-top:14px}
.section-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}
@media(max-width:767px){
  .section{padding:56px 0}
  .section-head{margin-bottom:28px}
  .section-head--split{flex-direction:column;align-items:flex-start;gap:14px}
}

/* 内页 Hero */
.page-hero{position:relative;background:var(--brand-900) url('/assets/images/backpic/back-1.png') center/cover no-repeat;color:#fff;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:rgba(11,59,51,.72);z-index:1}
.page-hero::after{content:"";position:absolute;right:-8%;bottom:-56%;width:66%;height:190%;z-index:1;background:repeating-radial-gradient(circle at 60% 40%,rgba(255,255,255,.09) 0 1px,transparent 1px 26px);pointer-events:none}
.page-hero .container{position:relative;z-index:2;min-height:280px;padding-top:48px;padding-bottom:56px;display:flex;flex-direction:column;justify-content:center}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:16px}
.breadcrumb a{color:rgba(255,255,255,.72)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{color:rgba(255,255,255,.45)}
.breadcrumb .current{color:#fff}
.page-hero h1{font-size:clamp(28px,3.8vw,40px);color:#fff;max-width:820px}
.page-hero .hero-sub{margin-top:16px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.86);max-width:640px}
.page-hero .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.page-hero .btn-primary{background:var(--accent-500);color:#fff}
.page-hero .btn-primary:hover{background:var(--accent-600)}
.page-hero .btn-ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.page-hero .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff}

/* 数据条 */
.stat-band{margin-top:-42px;position:relative;z-index:20}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-2);overflow:hidden}
.stat-item{padding:22px 22px;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-num{font-size:24px;font-weight:700;color:var(--brand-700);letter-spacing:.5px}
.stat-label{font-size:14px;color:var(--ink-600);margin-top:4px;line-height:1.6}
@media(max-width:767px){
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat-item{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 16px}
  .stat-item:nth-child(2n){border-right:0}
  .stat-item:nth-child(3),.stat-item:nth-child(4){border-bottom:0}
}

/* 图文双卡 */
.duo-wrap{padding-top:96px}
.duo-card{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease}
.duo-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.duo-card .thumb{position:relative;overflow:hidden}
.duo-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .25s ease}
.duo-card:hover .thumb img{transform:scale(1.03)}
.duo-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.duo-title{font-size:20px;font-weight:700;color:var(--ink-900)}
.duo-text{font-size:15px;color:var(--ink-600);line-height:1.85}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;border-radius:var(--r-badge);padding:4px 10px;line-height:1.6}
.badge-soft{background:var(--brand-100);color:var(--brand-700)}
.badge-accent{background:var(--accent-500);color:#fff}
.duo-card .link-more{margin-top:auto}

/* 对比区 */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-col{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px;display:flex;flex-direction:column;gap:18px}
.compare-col.is-brand{background:var(--brand-100);border-color:#C9E3DA}
.compare-head{display:flex;align-items:center;gap:12px}
.compare-head h3{font-size:20px;font-weight:700}
.compare-icon{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;background:var(--paper-2);color:var(--ink-600);flex:0 0 40px;font-size:16px}
.compare-col.is-brand .compare-icon{background:var(--brand-700);color:#fff}
.compare-list{display:grid;gap:14px}
.compare-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-600);line-height:1.8}
.compare-list i{margin-top:6px;font-size:13px;flex:0 0 13px}
.compare-col .li-mute i{color:#9AA9A3}
.compare-col .li-brand i{color:var(--brand-500)}
.compare-note{font-size:13.5px;color:var(--ink-600);padding-top:4px}

/* 流程条 */
.flow{margin-top:8px}
.flow-item{position:relative;display:grid;grid-template-columns:72px 1fr;gap:22px;padding-bottom:36px}
.flow-item:last-child{padding-bottom:0}
.flow-item::before{content:"";position:absolute;left:35px;top:72px;bottom:6px;border-left:1px dashed var(--line)}
.flow-item:last-child::before{display:none}
.flow-num{width:72px;height:72px;border-radius:14px;background:var(--brand-100);color:var(--accent-600);font-size:24px;font-weight:700;letter-spacing:.5px;display:grid;place-items:center;position:relative;z-index:2;border:1px solid #D5E9E1}
.flow-body{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--shadow-1);transition:box-shadow .2s ease,transform .2s ease}
.flow-body:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.flow-title{font-size:20px;font-weight:700;color:var(--ink-900)}
.flow-text{font-size:15px;color:var(--ink-600);margin-top:8px}
.flow-body .link-more{margin-top:12px}
@media(max-width:640px){
  .flow-item{grid-template-columns:56px 1fr;gap:14px}
  .flow-num{width:56px;height:56px;font-size:20px;border-radius:12px}
  .flow-item::before{left:27px;top:56px}
  .flow-body{padding:18px}
}

/* 清单 */
.checklist{display:grid;grid-template-columns:1fr 1fr;gap:14px 32px}
.check-item{display:flex;gap:10px;font-size:15px;color:var(--ink-600);line-height:1.8;padding:12px 0;border-bottom:1px dashed var(--line)}
.check-item i{color:var(--brand-500);margin-top:6px;font-size:13px;flex:0 0 13px}
@media(max-width:767px){.checklist{grid-template-columns:1fr}}

/* CTA 条 */
.cta-section{padding:96px 0}
.cta-band{background:linear-gradient(to top,#0B3B33 0,#0B3B33 8%,#0F6E5C 8%,#0F6E5C 100%);border-radius:var(--r-cta);padding:48px;display:grid;grid-template-columns:7fr 5fr;gap:40px;color:#fff}
.cta-band h2{color:#fff;font-size:clamp(24px,2.6vw,30px)}
.cta-band .cta-sub{color:rgba(255,255,255,.82);font-size:15.5px;margin-top:14px;max-width:460px}
.cta-points{display:grid;gap:12px;margin-top:26px}
.cta-points li{display:flex;gap:10px;font-size:15px;color:rgba(255,255,255,.92)}
.cta-points i{color:var(--accent-500);margin-top:6px;font-size:13px;flex:0 0 13px}
.cta-form{background:#fff;border-radius:14px;padding:24px;box-shadow:var(--shadow-2);color:var(--ink-900)}
.cta-form h3{font-size:18px;font-weight:700;margin-bottom:6px}
.cta-form .form-lead{font-size:13.5px;color:var(--ink-600);margin-bottom:18px}
.field{margin-bottom:14px}
.field label{display:block;font-size:14px;color:var(--ink-600);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-input);background:#fff;font-size:15px;color:var(--ink-900);transition:border-color .2s ease,box-shadow .2s ease}
.field textarea{height:auto;min-height:86px;padding:12px 14px;line-height:1.75;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#9AA9A3}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(23,144,122,.16);outline:none}
.form-hint{font-size:13px;color:var(--ink-600);margin-top:12px;line-height:1.7}
@media(max-width:1023px){
  .cta-band{grid-template-columns:1fr;gap:32px;padding:36px 28px}
}
@media(max-width:767px){
  .cta-section{padding:56px 0 72px}
  .cta-band{padding:28px 20px;border-radius:16px}
}

/* 页脚 */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand .logo{gap:10px}
.footer-brand .logo-text{color:#fff;font-size:18px}
.footer-brand p{font-size:14px;line-height:1.85;margin-top:14px;max-width:320px}
.footer-col h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px}
.footer-col a:hover{color:#fff}
.footer-contact p{font-size:14px;line-height:1.85;margin-bottom:8px}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.16);padding:20px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;flex-wrap:wrap}
@media(max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:640px){
  .site-footer{padding:48px 0 0}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;justify-content:center;text-align:center;margin-top:32px}
}

/* Foundation 覆盖 */
.grid-x{margin-left:-12px;margin-right:-12px}
.grid-x>.cell{padding-left:12px;padding-right:12px}
@media(max-width:640px){
  .grid-x{margin-left:-8px;margin-right:-8px}
  .grid-x>.cell{padding-left:8px;padding-right:8px}
}
@media(max-width:1023px){
  .compare-grid{grid-template-columns:1fr}
  .duo-card{margin-bottom:24px}
}