/* roulang page: index */
:root{
  --primary:#1F5A4E;
  --primary-600:#17453C;
  --primary-100:#E6F0EC;
  --accent:#E07A3E;
  --accent-100:#FBEDE2;
  --mint:#8FC7B6;
  --ochre:#D9A94C;
  --ink-900:#14201D;
  --ink-700:#3A4A46;
  --ink-500:#6B7A76;
  --line:#E3E7E4;
  --surface:#FFFFFF;
  --bg:#F7F8F5;
  --danger:#B4472F;
  --r-card:14px;
  --r-big:20px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(20,32,29,.05),0 4px 12px rgba(20,32,29,.06);
  --shadow-2:0 10px 28px rgba(20,32,29,.10);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-700);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-600);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

h1{font-size:42px;line-height:1.28;font-weight:600;color:var(--ink-900);letter-spacing:-.2px;}
h2{font-size:30px;line-height:1.35;font-weight:600;color:var(--ink-900);}
h3{font-size:20px;line-height:1.5;font-weight:600;color:var(--ink-900);}
p{font-size:17px;line-height:1.9;}
p + p{margin-top:1.15em;}

.grid-container{
  max-width:var(--container);
  padding-left:32px;
  padding-right:32px;
  margin-left:auto;
  margin-right:auto;
  width:100%;
}
.grid-container.full-bleed{max-width:100%;padding-left:0;padding-right:0;}

.section{padding:80px 0;position:relative;}
.section-alt{background:var(--surface);}
.section-tint{background:var(--primary-100);}
.section-head{margin-bottom:32px;}
.section-head h2{position:relative;padding-left:16px;margin-bottom:16px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:3px;background:var(--primary);
}
.section-sub{font-size:15px;color:var(--ink-500);max-width:760px;line-height:1.8;}
.cloud-divider{
  height:2px;width:100%;
  background:repeating-linear-gradient(90deg,rgba(31,90,78,.06) 0 40px,transparent 40px 80px);
}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 6px rgba(20,32,29,.04);
}
.nav-inner{
  display:flex;align-items:center;gap:28px;height:68px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--primary-100);
  display:flex;align-items:center;justify-content:center;color:var(--primary);flex:0 0 36px;
}
.brand-mark svg{width:20px;height:20px;display:block;}
.brand-text{
  font-size:17px;font-weight:600;letter-spacing:.2px;color:var(--ink-900);white-space:nowrap;
}
.brand:hover .brand-text{color:var(--primary);}
.nav-menu{display:flex;align-items:center;gap:30px;flex:1 1 auto;}
.nav-menu a{
  font-size:14.5px;font-weight:500;color:var(--ink-700);
  position:relative;padding:6px 0;white-space:nowrap;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px;
  background:var(--primary);opacity:0;transform:scaleX(.5);transition:opacity .2s ease,transform .2s ease;
}
.nav-menu a:hover{color:var(--primary);}
.nav-menu a:hover::after,.nav-menu a.is-active::after{opacity:1;transform:scaleX(1);}
.nav-menu a.is-active{color:var(--primary);font-weight:600;}
.nav-right{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.nav-search{
  width:220px;height:40px;border-radius:999px;background:var(--bg);
  border:1px solid transparent;display:flex;align-items:center;gap:8px;padding:0 16px;
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.nav-search i{color:var(--ink-500);font-size:13px;}
.nav-search input{
  border:0;background:transparent;width:100%;font-size:14px;outline:none;color:var(--ink-900);
}
.nav-search input::placeholder{color:var(--ink-500);}
.nav-search:focus-within{
  background:var(--surface);border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-100);
}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;color:var(--ink-900);
  font-size:18px;align-items:center;justify-content:center;
}
.nav-toggle:hover{background:var(--primary-100);color:var(--primary);}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.2px;
  transition:background-color .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:#d06e35;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-secondary{background:transparent;color:var(--primary);border:1.5px solid var(--primary);}
.btn-secondary:hover{background:var(--primary-100);color:var(--primary-600);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.btn-secondary:active{transform:translateY(0);box-shadow:none;}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.link-btn{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--primary);
}
.link-btn i{font-size:12px;transition:transform .2s ease;}
.link-btn:hover i{transform:translateX(4px);}

/* ============ Hero ============ */
.hero{background:var(--surface);padding:56px 0 72px;position:relative;overflow:hidden;}
.hero::after{
  content:"";position:absolute;top:0;right:0;width:46%;height:100%;
  background-image:radial-gradient(rgba(31,90,78,.09) 1px,transparent 1px);
  background-size:18px 18px;opacity:.7;pointer-events:none;
}
.hero-inner{position:relative;z-index:2;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--primary-100);color:var(--primary);
  font-size:13px;font-weight:600;border-radius:999px;padding:6px 14px;margin-bottom:20px;
}
.hero h1{margin-bottom:18px;max-width:620px;}
.hero-sub{font-size:17px;line-height:1.9;color:var(--ink-700);max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;padding-top:24px;border-top:1px solid var(--line);}
.hero-stat{min-width:130px;}
.hero-stat .num{
  display:block;font-size:22px;font-weight:700;color:var(--primary);
  font-variant-numeric:tabular-nums;line-height:1.3;
}
.hero-stat .desc{font-size:13px;color:var(--ink-500);line-height:1.7;}
.hero-media{position:relative;}
.hero-media .hero-img{
  width:100%;aspect-ratio:4/3;border-radius:var(--r-big);object-fit:cover;
  background:var(--bg);box-shadow:var(--shadow-2);
}
.hero-media .hero-mask{
  position:absolute;inset:0;border-radius:var(--r-big);
  background:linear-gradient(90deg,rgba(31,90,78,.28),rgba(31,90,78,0) 70%);
  pointer-events:none;
}
.hero-float{
  position:absolute;right:20px;bottom:20px;width:200px;background:var(--surface);
  border-radius:var(--r-card);border:1px solid var(--line);box-shadow:var(--shadow-2);
  padding:16px 18px;
}
.hero-float .num{
  display:block;font-size:26px;font-weight:700;color:var(--accent);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.hero-float .txt{font-size:13px;color:var(--ink-500);line-height:1.7;margin-top:4px;}

/* ============ Metrics ============ */
.metric-board{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.metric-item{padding:28px 24px;border-right:1px solid var(--line);}
.metric-item:last-child{border-right:0;}
.metric-num{
  display:flex;align-items:baseline;gap:4px;
  font-size:38px;font-weight:700;color:var(--primary);
  font-variant-numeric:tabular-nums;line-height:1.15;letter-spacing:-.5px;
}
.metric-num .unit{font-size:15px;font-weight:600;color:var(--ink-500);}
.metric-num.is-accent{color:var(--accent);}
.metric-label{display:block;font-size:14px;color:var(--ink-500);margin-top:10px;}
.metric-note{display:block;font-size:12px;color:var(--ink-500);line-height:1.7;margin-top:6px;}
.metric-spark{
  margin-top:12px;height:12px;border-radius:999px;background:var(--primary-100);overflow:hidden;
}
.metric-spark span{display:block;height:100%;border-radius:999px;background:var(--mint);}
.metric-spark span.warm{background:var(--ochre);}

/* ============ Matrix cards ============ */
.matrix-row{margin-bottom:24px;}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  height:100%;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#d5ded8;}
.card-body{padding:24px;}
.card-lg{padding:0;overflow:hidden;display:flex;flex-direction:column;}
.card-lg .thumb{
  position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:var(--r-card) var(--r-card) 0 0;
  background:var(--bg);
}
.card-lg .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.card:hover .card-lg .thumb img,.card-lg:hover .thumb img{transform:scale(1.03);}
.card-lg .card-body{padding:28px 32px 32px;}
.card-icon{
  width:44px;height:44px;border-radius:12px;background:var(--primary-100);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:16px;
}
.card-icon.round{border-radius:999px;width:52px;height:52px;font-size:20px;background:var(--accent-100);color:var(--accent);}
.card-icon.square{border-radius:8px;width:52px;height:52px;font-size:20px;background:var(--primary-100);color:var(--primary);
  transform:rotate(-4deg);}
.card p{font-size:15px;line-height:1.85;color:var(--ink-500);}
.card h3{margin-bottom:10px;}
.card-sm .card-body{padding:22px 24px;}
.card-media-sm{aspect-ratio:16/9;overflow:hidden;border-radius:var(--r-card) var(--r-card) 0 0;background:var(--bg);}
.card-media-sm img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.card:hover .card-media-sm img{transform:scale(1.03);}
.matrix-cta{margin-top:36px;display:flex;flex-wrap:wrap;align-items:center;gap:16px;}
.matrix-cta .hint{font-size:14px;color:var(--ink-500);}

/* ============ Compare ============ */
.compare-wrap{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--shadow-1);
}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;}
.compare-col h3{
  display:flex;align-items:center;gap:10px;font-size:16px;margin-bottom:20px;
  padding-bottom:14px;border-bottom:1px solid var(--line);
}
.compare-col h3 .dot{width:10px;height:10px;border-radius:999px;display:inline-block;}
.compare-before h3 .dot{background:var(--mint);}
.compare-after h3 .dot{background:var(--accent);}
.bar-row{margin-bottom:22px;}
.bar-row:last-child{margin-bottom:0;}
.bar-top{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:8px;}
.bar-label{font-size:14px;color:var(--ink-700);}
.bar-val{font-size:14px;font-weight:600;color:var(--ink-900);font-variant-numeric:tabular-nums;white-space:nowrap;}
.bar-track{height:10px;border-radius:999px;background:var(--bg);overflow:hidden;}
.bar-track span{display:block;height:100%;border-radius:999px;}
.bar-mint{background:var(--mint);}
.bar-primary{background:var(--primary);}
.bar-accent{background:var(--accent);}
.compare-note{margin-top:28px;font-size:15px;line-height:1.85;color:var(--ink-500);max-width:820px;}

/* ============ News / CMS ============ */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px;}
.news-card{
  display:flex;flex-direction:column;height:100%;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  color:inherit;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#d5ded8;color:inherit;}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.badge{
  display:inline-flex;align-items:center;align-self:flex-start;
  background:var(--primary-100);color:var(--primary);
  font-size:13px;font-weight:600;border-radius:999px;padding:4px 12px;margin-bottom:12px;
}
.news-title{
  font-size:18px;font-weight:600;color:var(--ink-900);line-height:1.55;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-excerpt{
  font-size:14px;line-height:1.8;color:var(--ink-500);margin-bottom: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;
  padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-500);
}
.news-foot .read{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--primary);}
.news-foot .read i{font-size:11px;transition:transform .2s ease;}
.news-card:hover .news-foot .read i{transform:translateX(4px);}
.empty-card{
  border:1px dashed var(--line);border-radius:var(--r-card);background:var(--surface);
  padding:56px 24px;text-align:center;
}
.empty-card i{font-size:26px;color:var(--ink-500);}
.empty-card p{font-size:14px;color:var(--ink-500);margin:12px 0 20px;}

/* ============ FAQ ============ */
.faq-list{max-width:900px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.is-open{border-color:#cfdcd6;box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--ink-900);
  transition:background-color .2s ease;position:relative;
}
.faq-q:hover{background:var(--primary-100);}
.faq-item.is-open .faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--primary);
}
.faq-icon{
  flex:0 0 24px;width:24px;height:24px;border-radius:999px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--ink-700);font-size:12px;
  transition:transform .25s ease,color .25s ease,border-color .25s ease,background-color .25s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--accent);border-color:var(--accent);background:var(--accent-100);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--ink-700);}

/* ============ Form ============ */
.form-card{
  background:var(--surface);border-radius:var(--r-big);border:1px solid var(--line);
  padding:40px;box-shadow:var(--shadow-1);
}
.form-side h2{margin-bottom:16px;}
.form-side p{font-size:15px;line-height:1.85;color:var(--ink-500);}
.check-list{margin-top:24px;}
.check-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-700);margin-bottom:12px;line-height:1.7;}
.check-list i{color:var(--primary);font-size:14px;margin-top:6px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink-700);margin-bottom:8px;}
.req{color:var(--accent);margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;height:44px;border:1px solid var(--line);border-radius:10px;
  padding:0 14px;background:var(--surface);font-size:15px;color:var(--ink-900);
  transition:border-color .2s ease,box-shadow .2s ease;outline:none;
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.8;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-100);
}
.field input::placeholder,.field textarea::placeholder{color:#9aa8a4;}
.form-privacy{font-size:12px;line-height:1.7;color:var(--ink-500);margin-top:14px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}

/* ============ Footer ============ */
.site-footer{background:var(--primary-600);color:#fff;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.site-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:24px;}
.site-footer p{font-size:14px;line-height:2;color:rgba(255,255,255,.78);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);color:#fff;}
.footer-brand .brand-text{color:#fff;font-size:17px;font-weight:600;letter-spacing:.2px;}
.footer-links li{margin-bottom:4px;}
.footer-links a,.footer-contact li{
  font-size:14px;line-height:2;color:rgba(255,255,255,.78);
}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.68);
}
.footer-bottom .tech{font-variant-numeric:tabular-nums;}

/* ============ To top ============ */
.to-top{
  position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:999px;
  background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-2);opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .25s ease,transform .25s ease,background-color .2s ease;z-index:90;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--primary-600);color:#fff;}

/* ============ Mobile drawer ============ */
.drawer{
  position:fixed;inset:68px 0 0 0;background:var(--surface);z-index:75;
  padding:8px 0 0;display:none;flex-direction:column;overflow-y:auto;
  border-top:1px solid var(--line);
}
.drawer.is-open{display:flex;}
.drawer a{
  display:flex;align-items:center;height:48px;padding:0 24px;font-size:15.5px;
  color:var(--ink-900);border-bottom:1px solid var(--line);
}
.drawer a.is-active{color:var(--primary);font-weight:600;background:var(--primary-100);}
.drawer-cta{padding:20px 24px 32px;margin-top:auto;}
.drawer-cta .btn{width:100%;}

/* ============ Responsive ============ */
@media screen and (max-width:1279px){
  .grid-container{padding-left:28px;padding-right:28px;}
}
@media screen and (max-width:1024px){
  h1{font-size:34px;}
  h2{font-size:26px;}
  .section{padding:56px 0;}
  .grid-container{padding-left:24px;padding-right:24px;}
  .nav-menu,.nav-search{display:none;}
  .nav-toggle{display:flex;}
  .hero{padding:40px 0 56px;}
  .hero-media{margin-top:36px;}
  .metric-board{grid-template-columns:repeat(2,1fr);}
  .metric-item{border-right:1px solid var(--line);border-bottom:1px solid var(--line);}
  .metric-item:nth-child(2n){border-right:0;}
  .metric-item:nth-child(n+3){border-bottom:0;}
  .compare-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:640px){
  body{font-size:16px;}
  h1{font-size:28px;line-height:1.32;}
  h2{font-size:23px;}
  h3{font-size:18px;}
  p{font-size:16px;}
  .section{padding:40px 0;}
  .grid-container{padding-left:18px;padding-right:18px;}
  .nav-inner{height:60px;gap:14px;}
  .brand-text{font-size:16px;}
  .drawer{inset:60px 0 0 0;}
  .hero-stats{gap:20px;}
  .hero-stat{min-width:calc(50% - 10px);}
  .hero-float{position:static;width:100%;margin-top:14px;}
  .hero-media .hero-img{aspect-ratio:16/10;}
  .metric-board{grid-template-columns:1fr;}
  .metric-item{border-right:0;border-bottom:1px solid var(--line);}
  .metric-item:last-child{border-bottom:0;}
  .metric-num{font-size:32px;}
  .compare-wrap{padding:22px 18px;}
  .form-card{padding:24px 18px;}
  .form-row{grid-template-columns:1fr;gap:0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .card-lg .card-body{padding:22px 20px 24px;}
  .to-top{right:16px;bottom:16px;}
}
@media screen and (max-width:400px){
  .brand-text{font-size:15px;letter-spacing:0;}
  .hero-actions .btn{width:100%;}
}

/* roulang page: article */
:root{
  --primary:#1F5A4E;
  --primary-600:#17453C;
  --primary-100:#E6F0EC;
  --accent:#E07A3E;
  --accent-100:#FBEDE2;
  --mint:#8FC7B6;
  --ochre:#D9A94C;
  --ink-900:#14201D;
  --ink-700:#3A4A46;
  --ink-500:#6B7A76;
  --line:#E3E7E4;
  --surface:#FFFFFF;
  --bg:#F7F8F5;
  --radius-card:14px;
  --radius-lg:20px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(20,32,29,.05),0 4px 12px rgba(20,32,29,.06);
  --shadow-2:0 10px 28px rgba(20,32,29,.10);
  --pad-x:32px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-700);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;background:var(--bg);border-radius:12px;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-600);}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:600;line-height:1.32;}
p{margin:0 0 1.15em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink-900);}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}

/* 容器 */
.grid-container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:var(--pad-x);
  padding-right:var(--pad-x);
}
.section{padding-top:80px;padding-bottom:80px;}
.section-tight{padding-top:56px;padding-bottom:56px;}
.section-title{margin-bottom:16px;font-size:30px;}
.section-sub{max-width:720px;color:var(--ink-500);font-size:15px;margin-bottom:32px;}

/* 顶栏 */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 6px rgba(20,32,29,.04);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:68px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;
  border-radius:10px;
  background:var(--primary-100);
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{
  font-size:17px;
  font-weight:600;
  letter-spacing:.2px;
  color:var(--primary);
  white-space:nowrap;
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:30px;
  margin-left:8px;
  flex:1 1 auto;
}
.nav-menu a{
  position:relative;
  font-size:14.5px;
  font-weight:500;
  color:var(--ink-700);
  padding:6px 0;
  white-space:nowrap;
}
.nav-menu a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:3px;
  border-radius:3px;
  background:var(--primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease;
}
.nav-menu a:hover{color:var(--primary);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.is-active{color:var(--primary);font-weight:600;}
.nav-menu a.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.search-box{
  display:flex;
  align-items:center;
  gap:8px;
  width:220px;
  height:40px;
  padding:0 14px;
  border-radius:999px;
  background:var(--bg);
  border:1px solid transparent;
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{
  background:var(--surface);
  border-color:var(--primary);
  box-shadow:0 0 0 3px var(--primary-100);
}
.search-box i{color:var(--ink-500);font-size:13px;}
.search-box input{
  flex:1 1 auto;
  border:0;
  background:transparent;
  outline:none;
  font-size:14px;
  height:100%;
}
.search-box input::placeholder{color:var(--ink-500);}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--surface);
  color:var(--ink-700);
  cursor:pointer;
}
.mobile-drawer{
  display:none;
  background:var(--surface);
  border-top:1px solid var(--line);
  padding:8px 18px 20px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:flex;
  align-items:center;
  height:48px;
  font-size:15px;
  color:var(--ink-700);
  border-bottom:1px solid var(--line);
}
.mobile-drawer a.is-active{color:var(--primary);font-weight:600;}
.mobile-drawer .btn{width:100%;margin-top:16px;}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 28px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:#cf6c33;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-outline{background:transparent;border:1.5px solid var(--primary);color:var(--primary);}
.btn-outline:hover{background:var(--primary-100);color:var(--primary-600);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.btn-outline:active{transform:translateY(0);box-shadow:none;}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;font-weight:600;color:var(--primary);
  background:none;border:0;padding:0;cursor:pointer;
}
.btn-text i{transition:transform .2s ease;}
.btn-text:hover{color:var(--primary-600);}
.btn-text:hover i{transform:translateX(4px);}

/* 面包屑 */
.crumbs{
  padding:20px 0 0;
  font-size:13px;
  color:var(--ink-500);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px;
}
.crumbs a{color:var(--ink-500);}
.crumbs a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:2px;}
.crumbs .sep{color:#C3CCC8;}

/* 文章头部 */
.article-head{padding:18px 0 0;}
.article-head h1{
  font-size:42px;
  line-height:1.28;
  margin-bottom:16px;
  max-width:900px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  font-size:14px;
  color:var(--ink-500);
  padding-bottom:24px;
  border-bottom:1px solid var(--line);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C3CCC8;}
.article-meta .badge-cat{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;
  border-radius:999px;
  background:var(--primary-100);
  color:var(--primary);
  font-size:13px;font-weight:600;
}
.article-cover{
  margin-top:28px;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:var(--bg);
}
.article-cover img{
  width:100%;
  aspect-ratio:21/9;
  object-fit:cover;
  border-radius:0;
}
.article-cover figcaption{
  font-size:13px;
  color:var(--ink-500);
  padding:10px 0 0;
  text-align:center;
  line-height:1.7;
}

/* 正文 */
.article-main{padding:48px 0 0;}
.article-body{
  max-width:760px;
  margin:0 auto;
  font-size:17px;
  line-height:1.9;
  color:var(--ink-700);
}
.article-body p{margin:0 0 1.15em;}
.article-body h2{
  position:relative;
  font-size:30px;
  margin:40px 0 16px;
  padding-left:16px;
}
.article-body h2::before{
  content:"";
  position:absolute;left:0;top:8px;bottom:6px;width:3px;
  border-radius:3px;background:var(--primary);
}
.article-body h3{font-size:20px;margin:28px 0 12px;}
.article-body ul{margin:0 0 1.2em;}
.article-body ul li{
  position:relative;
  padding-left:20px;
  margin-bottom:8px;
  line-height:1.85;
}
.article-body ul li::before{
  content:"";
  position:absolute;left:4px;top:.78em;
  width:7px;height:7px;border-radius:50%;
  background:var(--primary);
}
.article-body ol{counter-reset:li;margin:0 0 1.2em;}
.article-body ol li{
  position:relative;
  counter-increment:li;
  padding-left:30px;
  margin-bottom:8px;
  line-height:1.85;
}
.article-body ol li::before{
  content:counter(li);
  position:absolute;left:0;top:.25em;
  width:20px;height:20px;border-radius:6px;
  background:var(--primary-100);color:var(--primary);
  font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:24px 0;
  padding:20px 22px;
  background:var(--primary-100);
  border-left:4px solid var(--primary);
  border-radius:0 12px 12px 0;
  color:var(--ink-700);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  width:100%;
  border-radius:12px;
  margin:24px auto;
}
.article-body a{
  color:var(--primary);
  text-decoration:underline;
  text-underline-offset:2px;
}
.article-body a:hover{color:var(--primary-600);}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  text-align:center;
  font-size:13px;
  color:var(--ink-500);
  margin-top:8px;
}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:20px 0;}
.article-body th,.article-body td{border-bottom:1px solid var(--line);padding:12px 10px;text-align:left;}

/* 空态 */
.article-empty{
  max-width:760px;
  margin:0 auto;
  padding:64px 24px;
  text-align:center;
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
  background:var(--surface);
}
.article-empty i{font-size:26px;color:var(--ink-500);}
.article-empty p{margin:14px 0 20px;color:var(--ink-500);font-size:15px;}

/* 标签 */
.article-foot{
  max-width:760px;
  margin:40px auto 0;
  padding-top:28px;
  border-top:1px solid var(--line);
}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.chip{
  display:inline-flex;align-items:center;
  height:30px;padding:0 14px;
  border-radius:999px;
  background:var(--primary-100);
  color:var(--primary);
  font-size:13px;
  font-weight:500;
}

/* 相关推荐 */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D6DEDA;}
.card-thumb{position:relative;overflow:hidden;background:var(--bg);}
.card-thumb img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:0;
  transition:transform .3s ease;
}
.card:hover .card-thumb img{transform:scale(1.03);}
.card-thumb .badge{
  position:absolute;left:12px;top:12px;
  height:26px;padding:0 12px;
  display:inline-flex;align-items:center;
  border-radius:999px;
  background:var(--primary-100);
  color:var(--primary);
  font-size:13px;font-weight:600;
}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.card-body h3{
  font-size:18px;
  line-height:1.5;
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-body p{
  font-size:14px;
  color:var(--ink-500);
  line-height:1.75;
  margin-bottom:16px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--ink-500);
}
.card-foot .read{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;}

/* 底部 CTA 条 */
.cta-bar{
  background:var(--primary-100);
  border-radius:16px;
  padding:28px 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.cta-bar h3{font-size:20px;margin-bottom:6px;}
.cta-bar p{margin:0;font-size:14.5px;color:var(--ink-700);}

/* 页脚 */
.site-footer{background:var(--primary-600);color:#fff;margin-top:80px;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:24px;}
.site-footer p{color:rgba(255,255,255,.78);font-size:14px;line-height:2;margin:14px 0 0;max-width:340px;}
.footer-brand{display:flex;align-items:center;gap:10px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);color:#fff;}
.footer-brand .brand-text{color:#fff;}
.footer-links li,.footer-contact li{font-size:14px;line-height:2;}
.footer-links a{color:rgba(255,255,255,.78);}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-contact li{color:rgba(255,255,255,.78);}
.footer-bottom{
  margin-top:48px;
  border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:13px;
  color:rgba(255,255,255,.7);
}

/* 返回顶部 */
.to-top{
  position:fixed;
  right:24px;bottom:24px;
  width:46px;height:46px;
  border-radius:50%;
  border:0;
  background:var(--primary);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-2);
  cursor:pointer;
  opacity:0;visibility:hidden;
  transform:translateY(8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease,background-color .2s ease;
  z-index:60;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--primary-600);}

/* 响应式 */
@media screen and (max-width:1024px){
  :root{--pad-x:24px;}
  .nav-menu{display:none;}
  .search-box{display:none;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;}
  .header-inner{height:60px;justify-content:space-between;}
  .header-actions .btn-primary{display:none;}
  .section{padding-top:56px;padding-bottom:56px;}
  .article-head h1{font-size:32px;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:640px){
  :root{--pad-x:18px;}
  body{font-size:16px;}
  .section{padding-top:40px;padding-bottom:40px;}
  .article-head h1{font-size:28px;}
  .article-body h2{font-size:24px;margin-top:32px;}
  .article-body h3{font-size:18px;}
  .related-grid{grid-template-columns:1fr;}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:24px;}
  .cta-bar .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .to-top{right:16px;bottom:16px;}
}
@media screen and (min-width:1280px){
  .grid-container{max-width:1200px;}
}

/* roulang page: category1 */
:root{
  --primary:#1F5A4E;
  --primary-600:#17453C;
  --primary-100:#E6F0EC;
  --accent:#E07A3E;
  --accent-100:#FBEDE2;
  --mint:#8FC7B6;
  --ochre:#D9A94C;
  --ink-900:#14201D;
  --ink-700:#3A4A46;
  --ink-500:#6B7A76;
  --line:#E3E7E4;
  --surface:#FFFFFF;
  --bg:#F7F8F5;
  --radius-card:14px;
  --radius-big:20px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(20,32,29,.05), 0 4px 12px rgba(20,32,29,.06);
  --shadow-2:0 10px 28px rgba(20,32,29,.10);
  --font-cn:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.9;
  color:var(--ink-700);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--ink-900);font-weight:600;margin:0;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-600);}
img{max-width:100%;display:block;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}

/* ---------- 容器 ---------- */
.grid-container{max-width:1200px;padding-left:32px;padding-right:32px;margin-left:auto;margin-right:auto;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 6px rgba(20,32,29,.04);
}
.header-inner{
  display:flex;align-items:center;gap:26px;
  height:68px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  background:var(--primary-100);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);
  flex:0 0 auto;
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{
  font-size:17px;font-weight:600;letter-spacing:.2px;color:var(--primary);
  white-space:nowrap;
}
.nav-menu{display:flex;align-items:center;gap:30px;flex:1 1 auto;}
.nav-menu a{
  position:relative;
  font-size:14.5px;font-weight:500;color:var(--ink-700);
  padding:6px 0;white-space:nowrap;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px;
  background:transparent;transition:background .2s ease;
}
.nav-menu a:hover{color:var(--primary);}
.nav-menu a:hover::after{background:var(--primary-100);}
.nav-menu a.is-active{color:var(--primary);}
.nav-menu a.is-active::after{background:var(--primary);}
.nav-right{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:220px;height:40px;padding:0 16px;
  background:var(--bg);border:1px solid transparent;border-radius:999px;
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.nav-search i{color:var(--ink-500);font-size:13px;}
.nav-search input{
  border:0;outline:none;background:transparent;width:100%;
  font-size:14px;color:var(--ink-900);
}
.nav-search input::placeholder{color:var(--ink-500);}
.nav-search:focus-within{
  background:var(--surface);border-color:var(--primary);
  box-shadow:0 0 0 3px var(--primary-100);
}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);
  border-radius:10px;background:var(--surface);color:var(--ink-900);
  align-items:center;justify-content:center;cursor:pointer;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 28px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1.5px solid transparent;
  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(--accent);color:#fff;box-shadow:0 4px 12px rgba(224,122,62,.24);}
.btn-primary:hover{background:#cf6b32;color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(224,122,62,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:0 3px 8px rgba(224,122,62,.2);}
.btn-secondary{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-secondary:hover{background:var(--primary-100);color:var(--primary-600);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.btn-secondary:active{transform:translateY(0);box-shadow:none;}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--primary);font-weight:600;font-size:15px;
}
.btn-text i{transition:transform .2s ease;font-size:13px;}
.btn-text:hover i{transform:translateX(4px);}
.btn:focus-visible,.btn-text:focus-visible,a:focus-visible,button:focus-visible,
input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--primary);outline-offset:2px;
}

/* ---------- 移动抽屉 ---------- */
.drawer{
  display:none;
  position:fixed;inset:60px 0 0 0;background:var(--surface);z-index:70;
  padding:16px 18px 32px;overflow-y:auto;
  border-top:1px solid var(--line);
}
.drawer.is-open{display:block;}
.drawer nav{display:flex;flex-direction:column;}
.drawer nav a{
  height:48px;display:flex;align-items:center;
  font-size:16px;color:var(--ink-900);font-weight:500;
  border-bottom:1px solid var(--line);
}
.drawer nav a.is-active{color:var(--primary);}
.drawer .drawer-cta{margin-top:24px;}
.drawer .drawer-cta .btn{width:100%;}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;
  background-image:linear-gradient(100deg,rgba(23,69,60,.90) 0%,rgba(31,90,78,.74) 46%,rgba(31,90,78,.46) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  color:#fff;
}
.page-hero .hero-inner{padding:34px 0 42px;max-width:880px;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.78);margin-bottom:16px;
}
.breadcrumb a{color:rgba(255,255,255,.86);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb span.sep{color:rgba(255,255,255,.5);}
.page-hero h1{
  color:#fff;font-size:42px;line-height:1.28;letter-spacing:.2px;
  margin-bottom:14px;
}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.88);max-width:720px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-tags span{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
  font-size:13px;color:#fff;
}

/* ---------- 主体布局 ---------- */
.main-wrap{padding:64px 0 72px;}
.side-col{position:relative;}
.side-sticky{position:sticky;top:96px;}
.side-block{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:22px 20px;box-shadow:var(--shadow-1);
}
.side-block+.side-block{margin-top:18px;}
.side-block h4{
  font-size:14px;color:var(--ink-500);font-weight:600;letter-spacing:.4px;
  margin-bottom:14px;
}
.side-nav a{
  display:flex;align-items:center;gap:10px;
  font-size:14.5px;color:var(--ink-700);
  padding:9px 10px;border-radius:9px;
  transition:background .2s ease,color .2s ease;
}
.side-nav a i{font-size:8px;color:var(--mint);}
.side-nav a:hover{background:var(--primary-100);color:var(--primary);}
.side-nav a:hover i{color:var(--primary);}
.side-cta{background:var(--primary-100);border-color:transparent;}
.side-cta h4{color:var(--primary);}
.side-cta p{font-size:14px;color:var(--ink-700);margin-bottom:16px;}
.side-cta .btn{width:100%;}

.content-col{min-width:0;}
.section{padding-bottom:8px;}
.section+.section{margin-top:8px;}
.section-title{
  position:relative;padding-left:14px;
  font-size:30px;line-height:1.4;
  margin-top:48px;margin-bottom:16px;
}
.section-title:first-child{margin-top:0;}
.section-title::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;
  border-radius:3px;background:var(--primary);
}
.section-intro{font-size:17px;color:var(--ink-700);margin-bottom:22px;}
.section-note{font-size:13px;color:var(--ink-500);}

/* ---------- 信息卡 ---------- */
.card-grid{margin-top:8px;}
.info-card{
  height:100%;
  background:var(--surface);
  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;
  overflow:hidden;
}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D3DCD7;}
.info-card .card-thumb{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:12px;
  background:var(--bg);margin-bottom:18px;
}
.info-card h3{font-size:20px;line-height:1.5;margin-bottom:10px;}
.info-card p{font-size:15px;color:var(--ink-700);line-height:1.85;}
.card-icon{
  width:46px;height:46px;border-radius:12px;background:var(--primary-100);
  color:var(--primary);display:flex;align-items:center;justify-content:center;
  font-size:18px;margin-bottom:16px;
}
.card-icon.round{border-radius:999px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.chip{
  display:inline-flex;align-items:center;
  font-size:13px;color:var(--primary);background:var(--primary-100);
  border-radius:999px;padding:5px 13px;line-height:1.6;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--primary);
  background:var(--primary-100);border-radius:999px;padding:4px 12px;
}
.badge.warn{color:#B4472F;background:var(--accent-100);}

/* ---------- 步骤列表 ---------- */
.step-list{margin-top:20px;display:flex;flex-direction:column;gap:14px;}
.step-item{
  display:flex;gap:18px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:22px 24px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.step-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.step-num{
  flex:0 0 auto;width:38px;height:38px;border-radius:10px;
  background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:16px;font-variant-numeric:tabular-nums;
}
.step-body h3{font-size:18px;margin-bottom:6px;}
.step-body p{font-size:15px;line-height:1.85;}

/* ---------- 自检清单 ---------- */
.check-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.check-item{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);
  border-radius:12px;padding:16px 20px;
}
.check-item i{color:var(--primary);font-size:15px;margin-top:6px;}
.check-item strong{color:var(--ink-900);font-weight:600;font-size:16px;display:block;margin-bottom:2px;}
.check-item span{font-size:14.5px;color:var(--ink-700);line-height:1.8;}

/* ---------- 提示对照 ---------- */
.tip-block{
  background:var(--primary-100);border-radius:var(--radius-card);
  padding:26px 28px;margin-top:22px;
}
.tip-block h3{font-size:18px;margin-bottom:12px;}
.tip-block ul{display:flex;flex-direction:column;gap:10px;}
.tip-block li{
  position:relative;padding-left:20px;font-size:15px;line-height:1.85;color:var(--ink-700);
}
.tip-block li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;
  background:var(--primary);
}

/* ---------- 指标条 ---------- */
.metric-row{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;margin-top:24px;box-shadow:var(--shadow-1);
}
.metric-item{padding:26px 22px;border-right:1px solid var(--line);}
.metric-item:last-child{border-right:0;}
.metric-num{
  font-size:34px;font-weight:700;color:var(--primary);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.metric-num.accent{color:var(--accent);}
.metric-label{font-size:14px;color:var(--ink-500);margin-top:6px;}
.metric-bar{height:10px;border-radius:999px;background:var(--bg);margin-top:14px;overflow:hidden;}
.metric-bar span{display:block;height:100%;border-radius:999px;background:var(--mint);}
.metric-bar span.p{background:var(--primary);}

/* ---------- FAQ ---------- */
.faq-wrap{margin-top:24px;}
.accordion.faq-accordion{border:0;background:transparent;margin:0;}
.faq-accordion .accordion-item{
  border:1px solid var(--line);border-radius:12px;background:var(--surface);
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-accordion .accordion-item.is-active{border-color:#CDDBD5;box-shadow:var(--shadow-1);}
.faq-accordion .accordion-title{
  position:relative;
  font-size:17px;font-weight:600;color:var(--ink-900);
  padding:20px 62px 20px 24px;border:0;background:transparent;
  transition:color .2s ease;
}
.faq-accordion .accordion-title::before{display:none;}
.faq-accordion .accordion-title::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:500;color:var(--primary);
  background:var(--primary-100);
  transition:transform .25s ease,color .25s ease,background .25s ease;
}
.faq-accordion .accordion-item.is-active .accordion-title{
  color:var(--primary);
}
.faq-accordion .accordion-item.is-active .accordion-title::after{
  transform:translateY(-50%) rotate(45deg);color:#fff;background:var(--accent);
}
.faq-accordion .accordion-item.is-active{
  border-left:3px solid var(--primary);
}
.faq-accordion .accordion-content{
  border:0;background:transparent;
  padding:0 24px 22px 24px;font-size:15px;line-height:1.85;color:var(--ink-700);
}
.faq-accordion .accordion-content p{font-size:15px;line-height:1.85;}

/* ---------- 转化表单 ---------- */
.cta-section{padding:72px 0;}
.cta-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-big);
  padding:40px;box-shadow:var(--shadow-1);
}
.cta-card h2{font-size:30px;line-height:1.4;margin-bottom:14px;}
.cta-card .cta-desc{font-size:16px;color:var(--ink-700);margin-bottom:22px;}
.cta-points{display:flex;flex-direction:column;gap:12px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink-700);}
.cta-points i{color:var(--primary);margin-top:7px;font-size:14px;}
.field{margin-bottom:18px;}
.field label{
  display:block;font-size:14px;color:var(--ink-700);font-weight:500;margin-bottom:8px;
}
.field label .req{color:var(--accent);margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-btn);
  padding:0 14px;height:44px;background:var(--surface);color:var(--ink-900);
  outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;padding:12px 14px;line-height:1.7;resize:vertical;min-height:104px;}
.field input::placeholder,.field textarea::placeholder{color:#9AA8A3;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-100);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:#B4472F;}
.field .err-msg{display:none;font-size:14px;color:#B4472F;margin-top:6px;}
.field.has-error .err-msg{display:block;}
.form-privacy{font-size:12px;color:var(--ink-500);line-height:1.7;margin-top:12px;}
.form-ok{
  display:none;margin-top:16px;padding:14px 18px;border-radius:12px;
  background:var(--primary-100);color:var(--primary-600);font-size:14px;
}
.form-ok.show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--primary-600);color:#fff;padding:64px 0 0;margin-top:8px;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);color:#fff;}
.footer-brand .brand-text{color:#fff;font-size:17px;font-weight:600;letter-spacing:.2px;}
.site-footer p{font-size:14px;line-height:2;color:rgba(255,255,255,.78);}
.site-footer h4{
  color:#fff;font-size:15px;font-weight:600;margin-bottom:24px;
}
.footer-links li,.footer-contact li{font-size:14px;line-height:2;color:rgba(255,255,255,.78);}
.footer-links a{color:rgba(255,255,255,.78);}
.footer-links a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 26px;font-size:13px;color:rgba(255,255,255,.66);
}
.footer-bottom .tech{color:rgba(255,255,255,.5);}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:28px;width:46px;height:46px;border-radius:50%;
  background:var(--primary);color:#fff;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-2);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease,background .2s ease,transform .2s ease;
  z-index:80;
}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{background:var(--primary-600);transform:translateY(-2px);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .grid-container{padding-left:24px;padding-right:24px;}
  .nav-menu,.nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{height:60px;justify-content:space-between;}
  .drawer{inset:60px 0 0 0;}
  .page-hero h1{font-size:34px;}
  .main-wrap{padding:48px 0 56px;}
  .side-sticky{position:static;}
  .side-block{margin-bottom:18px;}
  .section-title{font-size:26px;margin-top:40px;}
  .metric-row{grid-template-columns:repeat(2,1fr);}
  .metric-item:nth-child(2){border-right:0;}
  .metric-item:nth-child(1),.metric-item:nth-child(2){border-bottom:1px solid var(--line);}
  .cta-card{padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:640px){
  body{font-size:16px;}
  .grid-container{padding-left:18px;padding-right:18px;}
  .brand-text{font-size:16px;}
  .page-hero .hero-inner{padding:26px 0 34px;}
  .page-hero h1{font-size:28px;}
  .hero-sub{font-size:15.5px;}
  .main-wrap{padding:40px 0 48px;}
  .section-title{font-size:22px;margin-top:36px;margin-bottom:14px;}
  .info-card{padding:20px;}
  .step-item{padding:18px 18px;gap:14px;}
  .step-num{width:34px;height:34px;font-size:15px;}
  .cta-section{padding:48px 0;}
  .cta-card{padding:24px 20px;border-radius:16px;}
  .cta-card h2{font-size:24px;}
  .metric-item{padding:20px 16px;}
  .metric-num{font-size:28px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .btn{width:100%;}
  .btn-sm{width:auto;}
  .side-cta .btn,.drawer .btn{width:100%;}
  .to-top{right:16px;bottom:18px;}
}
@media screen and (min-width:1281px){
  .grid-container{max-width:1200px;}
}

/* roulang page: category2 */
:root{
  --primary:#1F5A4E;
  --primary-600:#17453C;
  --primary-100:#E6F0EC;
  --accent:#E07A3E;
  --accent-100:#FBEDE2;
  --mint:#8FC7B6;
  --ochre:#D9A94C;
  --ink-900:#14201D;
  --ink-700:#3A4A46;
  --ink-500:#6B7A76;
  --line:#E3E7E4;
  --surface:#FFFFFF;
  --bg:#F7F8F5;
  --danger:#B4472F;
  --shadow-1:0 1px 2px rgba(20,32,29,.05), 0 4px 12px rgba(20,32,29,.06);
  --shadow-2:0 10px 28px rgba(20,32,29,.10);
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --r-pill:999px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-700);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--ink-900);font-weight:600;margin:0;line-height:1.35;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--primary-600);}
img{max-width:100%;display:block;background:var(--bg);}
button{font-family:inherit;}
ul,ol{margin:0 0 1.15em;padding-left:1.3em;}
li{margin-bottom:.5em;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}

/* 容器 */
.grid-container{max-width:1200px;padding-left:32px;padding-right:32px;}
.grid-container.full{padding-left:0;padding-right:0;}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:70;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 6px rgba(20,32,29,.04);
}
.nav-inner{display:flex;align-items:center;height:68px;gap:26px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--primary-100);color:var(--primary);
  display:flex;align-items:center;justify-content:center;flex:none;
}
.brand-mark svg{width:21px;height:21px;}
.brand-text{font-size:17px;font-weight:600;letter-spacing:.2px;color:var(--primary);white-space:nowrap;}
.nav-menu{display:flex;align-items:center;gap:30px;margin:0;}
.nav-menu a{
  position:relative;display:inline-block;
  font-size:14.5px;font-weight:500;color:var(--ink-700);
  padding:23px 0;text-decoration:none;
}
.nav-menu a:hover{color:var(--primary);text-decoration:none;}
.nav-menu a.is-active{color:var(--primary);}
.nav-menu a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:12px;height:3px;border-radius:3px;background:var(--primary);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px;}
.nav-search input{
  width:220px;height:40px;border:1px solid transparent;border-radius:var(--r-pill);
  background:var(--bg);padding:0 18px;font-size:14px;color:var(--ink-700);margin:0;
  transition:background-color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.nav-search input::placeholder{color:var(--ink-500);}
.nav-search input:focus{
  outline:none;background:#fff;border-color:var(--primary);
  box-shadow:0 0 0 3px var(--primary-100);
}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:#fff;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900);transition:transform .25s ease,opacity .25s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.2px;
  border:1.5px solid transparent;cursor:pointer;text-decoration:none;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn:active{transform:translateY(0);box-shadow:none;}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:#c96a33;color:#fff;box-shadow:var(--shadow-2);}
.btn-secondary{background:transparent;border-color:var(--primary);color:var(--primary);}
.btn-secondary:hover{background:var(--primary-100);color:var(--primary-600);box-shadow:var(--shadow-1);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.7);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;height:auto;padding:0;border:0;background:none;
  color:var(--primary);font-size:14.5px;font-weight:600;cursor:pointer;
}
.btn-text svg{width:16px;height:16px;transition:transform .2s ease;}
.btn-text:hover{color:var(--primary-600);}
.btn-text:hover svg{transform:translateX(3px);}
.nav-cta{height:40px;padding:0 20px;font-size:14px;}

/* 内页 Hero */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--primary-600) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding:64px 0 68px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(19,56,48,.92) 0%,rgba(31,90,78,.74) 52%,rgba(31,90,78,.42) 100%);
}
.page-hero .grid-container{position:relative;z-index:1;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.76);margin-bottom:20px;flex-wrap:wrap;}
.breadcrumb a{color:rgba(255,255,255,.88);text-decoration:none;}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:2px;}
.breadcrumb span.sep{color:rgba(255,255,255,.5);}
.page-hero h1{
  color:#fff;font-size:42px;line-height:1.28;font-weight:600;letter-spacing:.3px;
  max-width:820px;margin-bottom:18px;
}
.hero-lead{color:rgba(255,255,255,.86);font-size:16.5px;line-height:1.9;max-width:660px;margin-bottom:28px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px;}
.chip{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.16);color:#fff;
  font-size:13px;letter-spacing:.2px;
}

/* 板块 */
.section{padding:80px 0;}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{
  font-size:30px;padding-left:14px;border-left:3px solid var(--primary);
  margin-bottom:16px;line-height:1.35;
}
.section-head p{color:var(--ink-500);font-size:15.5px;line-height:1.85;margin:0;}
.section-head.lead-center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head.lead-center h2{border-left:0;padding-left:0;}
.divider-cloud{
  height:2px;width:100%;background:linear-gradient(90deg,rgba(31,90,78,.14),rgba(31,90,78,0));
  margin:0 0 56px;border-radius:2px;
}

/* 标签切换 */
.tab-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:34px;}
.tab-btn{
  height:40px;padding:0 22px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--ink-700);
  font-size:14.5px;font-weight:500;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.tab-btn:hover{border-color:var(--primary);color:var(--primary);}
.tab-btn.is-active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:var(--shadow-1);}
.tab-panel[hidden]{display:none !important;}

/* 瀑布卡片 */
.waterfall{margin-bottom:-26px;}
.column-stack{display:flex;flex-direction:column;gap:26px;margin-bottom:26px;}
.mod-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px 16px 22px;box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.mod-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.mod-media{border-radius:12px;overflow:hidden;margin-bottom:18px;background:var(--bg);}
.mod-media img{width:100%;object-fit:cover;border-radius:12px;transition:transform .35s ease;}
.mod-card:hover .mod-media img{transform:scale(1.03);}
.media-h1 img{height:190px;}
.media-h2 img{height:250px;}
.media-h3 img{height:216px;}
.mod-card h3{font-size:20px;margin:0 0 10px;padding:0 6px;}
.mod-card p{font-size:15px;line-height:1.85;color:var(--ink-700);margin:0 0 14px;padding:0 6px;}
.mod-card .mod-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:0 6px;border-top:1px solid var(--line);margin-top:14px;padding-top:14px;
}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--primary-100);color:var(--primary);font-size:13px;font-weight:500;
}

/* 要点带 */
.points-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.point{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 20px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.point:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.point-icon{
  width:40px;height:40px;border-radius:50%;flex:none;
  background:var(--primary-100);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
}
.point-icon svg{width:20px;height:20px;}
.point h3{font-size:16.5px;margin-bottom:6px;}
.point p{font-size:13.5px;line-height:1.75;color:var(--ink-500);margin:0;}

/* 7/5 分栏 */
.split-row{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:start;}
.split-main h2{font-size:30px;padding-left:14px;border-left:3px solid var(--primary);margin-bottom:18px;}
.split-main p{font-size:16px;line-height:1.9;}
.flow-list{list-style:none;padding:0;margin:26px 0 0;}
.flow-list li{
  position:relative;padding-left:26px;margin-bottom:16px;font-size:15.5px;line-height:1.8;
}
.flow-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:9px;height:9px;border-radius:50%;
  background:var(--primary);
}
.side-card{
  background:var(--primary-100);border-radius:var(--r-lg);padding:30px 28px;border:1px solid rgba(31,90,78,.10);
}
.side-card h3{font-size:19px;margin-bottom:16px;}
.side-card ul{list-style:none;padding:0;margin:0;}
.side-card li{
  display:flex;gap:10px;align-items:flex-start;font-size:14.5px;line-height:1.75;
  color:var(--ink-700);margin-bottom:14px;
}
.side-card li:last-child{margin-bottom:0;}
.check{width:18px;height:18px;flex:none;margin-top:4px;color:var(--primary);}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.is-open{border-color:rgba(31,90,78,.35);box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:none;border:0;cursor:pointer;text-align:left;
  padding:20px 22px;font-size:17px;font-weight:600;color:var(--ink-900);line-height:1.6;
}
.faq-q:hover{color:var(--primary);}
.faq-icon{
  width:24px;height:24px;flex:none;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--primary);
  font-size:16px;line-height:1;transition:transform .25s ease,background-color .25s ease,color .25s ease,border-color .25s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--accent);border-color:var(--accent);color:#fff;}
.faq-a{display:none;padding:0 22px 22px 22px;border-left:3px solid var(--primary);}
.faq-item.is-open .faq-a{display:block;}
.faq-a p{font-size:15px;line-height:1.85;color:var(--ink-700);margin:0;}

/* CTA */
.cta-card{
  background:linear-gradient(120deg,var(--primary-100) 0%,#F2F7F4 100%);
  border:1px solid rgba(31,90,78,.12);border-radius:16px;
  padding:44px 46px;display:flex;align-items:center;gap:40px;flex-wrap:wrap;
  box-shadow:var(--shadow-1);
}
.cta-copy{flex:1 1 380px;}
.cta-copy h2{font-size:28px;margin-bottom:12px;}
.cta-copy p{margin:0;font-size:15.5px;color:var(--ink-700);line-height:1.85;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* 页脚 */
.site-footer{background:var(--primary-600);color:#fff;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);color:#fff;}
.footer-brand .brand-text{color:#fff;}
.site-footer p{font-size:14px;line-height:2;color:rgba(255,255,255,.78);margin:0;max-width:340px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin:0 0 24px;}
.footer-links,.footer-contact{list-style:none;margin:0;padding:0;}
.footer-links li,.footer-contact li{font-size:14px;line-height:2;margin:0;}
.footer-links a{color:rgba(255,255,255,.78);text-decoration:none;}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-contact li{color:rgba(255,255,255,.78);}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.72);
}
.footer-bottom .tech{color:rgba(255,255,255,.58);}

/* 返回顶部 */
.back-top{
  position:fixed;right:26px;bottom:26px;width:46px;height:46px;border-radius:50%;
  background:var(--primary);color:#fff;border:0;cursor:pointer;z-index:80;
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,background-color .2s ease;
  box-shadow:var(--shadow-2);
}
.back-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{background:var(--primary-600);}
.back-top svg{width:20px;height:20px;}

/* 响应式 */
@media screen and (max-width:1279px){
  .grid-container{padding-left:28px;padding-right:28px;}
}
@media screen and (max-width:1024px){
  .grid-container{padding-left:24px;padding-right:24px;}
  .section{padding:56px 0;}
  .nav-menu{gap:22px;}
  .nav-search{display:none;}
  .page-hero{padding:52px 0 56px;}
  .page-hero h1{font-size:34px;}
  .points-strip{grid-template-columns:repeat(2,1fr);}
  .split-row{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media screen and (max-width:640px){
  body{font-size:16px;}
  .grid-container{padding-left:18px;padding-right:18px;}
  .section{padding:40px 0;}
  .nav-inner{height:60px;gap:12px;}
  .brand-text{font-size:15.5px;}
  .brand-mark{width:32px;height:32px;}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .nav-menu{
    position:fixed;top:60px;left:0;right:0;bottom:0;
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:10px 18px 28px;margin:0;
    transform:translateX(100%);transition:transform .25s ease;
    overflow-y:auto;z-index:65;
  }
  .nav-menu.is-open{transform:translateX(0);}
  .nav-menu a{padding:0;height:48px;display:flex;align-items:center;font-size:16px;border-bottom:1px solid var(--line);}
  .nav-menu a.is-active::after{display:none;}
  .nav-menu a.is-active{color:var(--primary);font-weight:600;}
  .page-hero{padding:38px 0 44px;}
  .page-hero h1{font-size:28px;}
  .hero-lead{font-size:15.5px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .section-head h2,.split-main h2{font-size:24px;}
  .section-head{margin-bottom:26px;}
  .tab-bar{gap:8px;margin-bottom:26px;}
  .tab-btn{height:36px;padding:0 16px;font-size:13.5px;}
  .points-strip{grid-template-columns:1fr;}
  .cta-card{padding:28px 22px;gap:24px;}
  .cta-copy h2{font-size:23px;}
  .cta-actions{flex-direction:column;align-items:stretch;width:100%;}
  .cta-actions .btn{width:100%;}
  .faq-q{font-size:16px;padding:18px 16px;}
  .faq-a{padding:0 16px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .back-top{right:16px;bottom:16px;}
}
@media screen and (min-width:1280px){
  .page-hero{padding:76px 0 80px;}
}

/* roulang page: category3 */
:root{
  --primary:#1F5A4E;
  --primary-600:#17453C;
  --primary-100:#E6F0EC;
  --accent:#E07A3E;
  --accent-100:#FBEDE2;
  --mint:#8FC7B6;
  --ochre:#D9A94C;
  --ink-900:#14201D;
  --ink-700:#3A4A46;
  --ink-500:#6B7A76;
  --line:#E3E7E4;
  --surface:#FFFFFF;
  --bg:#F7F8F5;
  --radius-card:14px;
  --radius-big:20px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(20,32,29,.05),0 4px 12px rgba(20,32,29,.06);
  --shadow-2:0 10px 28px rgba(20,32,29,.10);
  --font-cn:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.9;
  color:var(--ink-700);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--ink-900);font-weight:600;margin:0;letter-spacing:.2px}
h1{font-size:42px;line-height:1.28}
h2{font-size:30px;line-height:1.35;padding-top:48px;margin-bottom:16px}
h3{font-size:20px;line-height:1.45}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-600)}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

.grid-container{max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px}
.section{padding-top:80px;padding-bottom:80px}
.section--tight{padding-top:56px;padding-bottom:56px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:28px}
.section-head h2{padding-top:0;margin-bottom:6px;position:relative;padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;background:var(--primary)}
.section-desc{font-size:15px;color:var(--ink-500);max-width:640px;margin:0}
.rule-top{height:2px;background:linear-gradient(90deg,rgba(31,90,78,.18),rgba(31,90,78,0));border-radius:2px;margin-bottom:8px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 6px rgba(20,32,29,.04);
}
.header-inner{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--primary-100);
  color:var(--primary);display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-mark svg{width:22px;height:22px}
.brand-text{font-size:17px;font-weight:600;letter-spacing:.2px;color:var(--ink-900);white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:30px;margin-left:8px}
.nav-menu a{
  position:relative;font-size:14.5px;font-weight:500;color:var(--ink-700);
  padding:22px 0;white-space:nowrap;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:3px;border-radius:999px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-menu a:hover{color:var(--primary)}
.nav-menu a:hover::after{transform:scaleX(1)}
.nav-menu a.is-active{color:var(--primary)}
.nav-menu a.is-active::after{transform:scaleX(1)}
.header-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:220px;height:40px;padding:0 14px;
  background:var(--bg);border:1px solid transparent;border-radius:999px;
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.search-box svg{width:16px;height:16px;color:var(--ink-500);flex:0 0 auto}
.search-box input{border:0;background:transparent;width:100%;font-size:14px;outline:none}
.search-box input::placeholder{color:var(--ink-500)}
.search-box:focus-within{background:var(--surface);border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-100)}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:var(--surface);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px;color:var(--ink-900)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 28px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1.5px solid transparent;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(224,122,62,.24)}
.btn-primary:hover{background:#cf6a2f;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 6px rgba(224,122,62,.2)}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary-100);color:var(--primary-600);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--primary)}
.btn-link svg{width:16px;height:16px;transition:transform .2s ease}
.btn-link:hover{color:var(--primary-600)}
.btn-link:hover svg{transform:translateX(4px)}

/* ---------- hero ---------- */
.page-hero{background:var(--primary-100);padding:36px 0 56px;position:relative;overflow:hidden}
.page-hero::after{
  content:"";position:absolute;right:-60px;top:-60px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(143,199,182,.35),rgba(143,199,182,0) 70%);
}
.page-hero .hero-grid{display:flex;align-items:center;gap:48px;position:relative;z-index:2}
.hero-copy{flex:1 1 58%;min-width:0}
.hero-visual{flex:0 0 38%;min-width:0}
.hero-visual img{
  width:100%;height:260px;object-fit:cover;border-radius:var(--radius-big);
  box-shadow:var(--shadow-1);background:var(--bg);
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:var(--ink-500)}
.breadcrumb a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:2px}
.breadcrumb .sep{color:#B7C1BD}
.page-hero h1{font-size:38px;margin-bottom:16px}
.hero-lead{font-size:16px;color:var(--ink-700);max-width:620px;margin-bottom:26px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- sticky steps ---------- */
.steps-bar{
  position:sticky;top:68px;z-index:50;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.steps-inner{display:flex;gap:10px;overflow-x:auto;padding:12px 0;scrollbar-width:none}
.steps-inner::-webkit-scrollbar{display:none}
.step-link{
  display:inline-flex;align-items:center;gap:9px;padding:8px 16px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--ink-700);white-space:nowrap;border:1px solid var(--line);
  background:var(--surface);transition:all .2s ease;
}
.step-link .num{
  width:22px;height:22px;border-radius:999px;background:var(--primary-100);color:var(--primary);
  font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.step-link:hover{border-color:var(--mint);color:var(--primary)}
.step-link.is-active{background:var(--primary);border-color:var(--primary);color:#fff}
.step-link.is-active .num{background:rgba(255,255,255,.22);color:#fff}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:27px;top:16px;bottom:24px;width:2px;
  background:linear-gradient(180deg,var(--primary),rgba(31,90,78,.12));
  border-radius:2px;
}
.tl-item{display:grid;grid-template-columns:56px 1fr;gap:26px;position:relative;padding-bottom:30px}
.tl-item:last-child{padding-bottom:0}
.tl-node{
  width:56px;height:56px;border-radius:999px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;
  font-variant-numeric:tabular-nums;position:relative;z-index:2;box-shadow:0 0 0 6px var(--surface);
}
.tl-card{
  background:var(--surface);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;
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.tl-card h3{margin-bottom:10px}
.tl-card p{font-size:15.5px;color:var(--ink-700);margin-bottom:14px}
.tl-points{display:grid;gap:8px}
.tl-points li{position:relative;padding-left:20px;font-size:14px;color:var(--ink-500);line-height:1.8}
.tl-points li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:999px;
  background:var(--mint);
}
.tl-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--primary-100);color:var(--primary);font-size:13px;font-weight:500;
}

/* ---------- dashboard numbers ---------- */
.dash{display:grid;grid-template-columns:repeat(4,1fr);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-big);overflow:hidden;box-shadow:var(--shadow-1)}
.dash-item{padding:28px 24px;border-left:1px solid var(--line)}
.dash-item:first-child{border-left:0}
.dash-num{font-size:38px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.1}
.dash-num.is-accent{color:var(--accent)}
.dash-num span{font-size:16px;font-weight:600;margin-left:4px;color:var(--ink-500)}
.dash-label{font-size:14px;color:var(--ink-500);margin-top:8px}
.dash-note{font-size:12px;color:var(--ink-500);margin-top:10px;line-height:1.7}
.mini-bar{height:12px;border-radius:999px;background:var(--primary-100);margin-top:12px;overflow:hidden}
.mini-bar i{display:block;height:100%;border-radius:999px;background:var(--mint)}

/* ---------- asymmetric block ---------- */
.split{display:flex;gap:48px;align-items:center}
.split-copy{flex:1 1 56%;min-width:0}
.split-visual{flex:0 0 40%;min-width:0}
.split-visual img{
  width:100%;height:320px;object-fit:cover;border-radius:var(--radius-big);
  box-shadow:var(--shadow-1);background:var(--bg);
}
.check-list{display:grid;gap:14px;margin-top:22px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px}
.check-list .tick{
  flex:0 0 auto;width:22px;height:22px;border-radius:999px;background:var(--primary-100);
  color:var(--primary);display:flex;align-items:center;justify-content:center;margin-top:3px;
}
.check-list .tick svg{width:13px;height:13px}
.check-list strong{color:var(--ink-900);font-weight:600}

/* ---------- key points ---------- */
.points-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.point-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;display:flex;gap:18px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.point-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D5DEDA}
.point-idx{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;background:var(--primary-100);
  color:var(--primary);font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.point-card h3{font-size:17px;margin-bottom:6px}
.point-card p{font-size:14.5px;color:var(--ink-500);margin:0;line-height:1.8}
.point-card.is-plain .point-idx{background:var(--accent-100);color:var(--accent)}
.point-card.is-round .point-idx{border-radius:999px}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.is-open{border-color:#CFDDD8;box-shadow:var(--shadow-1)}
.faq-q{
  width:100%;background:none;border:0;text-align:left;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;font-size:17px;font-weight:600;color:var(--ink-900);line-height:1.6;
}
.faq-q .plus{
  flex:0 0 auto;width:24px;height:24px;border-radius:999px;border:1.5px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--ink-500);
  transition:transform .25s ease,color .25s ease,border-color .25s ease;
}
.faq-q .plus svg{width:12px;height:12px}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg);color:var(--accent);border-color:var(--accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{
  padding:0 22px 22px 22px;font-size:15px;line-height:1.85;color:var(--ink-700);
  border-left:3px solid var(--primary);margin-left:0;
}
.faq-item.is-open .faq-a{max-height:420px}

/* ---------- cta form ---------- */
.cta-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-big);
  padding:40px;box-shadow:var(--shadow-1);
  display:flex;gap:44px;
}
.cta-left{flex:0 0 40%;min-width:0}
.cta-left h2{padding-top:0;margin-bottom:14px;font-size:26px}
.cta-left p{font-size:15px;color:var(--ink-500)}
.cta-right{flex:1 1 60%;min-width:0}
.form-row{display:flex;gap:16px;margin-bottom:16px}
.field{flex:1 1 0;min-width:0}
.field label{display:block;font-size:14px;color:var(--ink-700);margin-bottom:8px;font-weight:500}
.field .req{color:var(--accent);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:10px;
  background:var(--surface);font-size:15px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-100);
}
.field.has-error input,.field.has-error textarea{border-color:#B4472F}
.field .err{display:none;font-size:14px;color:#B4472F;margin-top:6px}
.field.has-error .err{display:block}
.form-privacy{font-size:12px;color:var(--ink-500);margin-top:14px;line-height:1.7}
.form-note{font-size:14px;color:var(--primary);margin-top:12px;display:none}
.form-note.is-show{display:block}

/* ---------- footer ---------- */
.site-footer{background:var(--primary-600);color:#fff;margin-top:0;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);color:#fff}
.footer-brand .brand-text{color:#fff;font-size:17px;font-weight:600}
.site-footer p{font-size:14px;line-height:1.95;color:rgba(255,255,255,.78);margin:0}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:24px}
.footer-links li,.footer-contact li{font-size:14px;line-height:2;color:rgba(255,255,255,.78)}
.footer-links a{color:rgba(255,255,255,.78)}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.62);
}

/* ---------- back to top ---------- */
.to-top{
  position:fixed;right:28px;bottom:28px;width:46px;height:46px;border-radius:999px;
  background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;
  border:0;cursor:pointer;box-shadow:var(--shadow-2);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease,transform .2s ease,background-color .2s ease;z-index:70;
}
.to-top.is-show{opacity:1;visibility:visible}
.to-top:hover{background:var(--primary-600);transform:translateY(-2px)}
.to-top svg{width:18px;height:18px}

/* ---------- mobile drawer ---------- */
.drawer{
  position:fixed;inset:0;background:var(--surface);z-index:90;display:none;flex-direction:column;
  padding:20px 20px 24px;
}
.drawer.is-open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:var(--surface);display:flex;align-items:center;justify-content:center;cursor:pointer}
.drawer-nav a{
  display:flex;align-items:center;height:48px;border-bottom:1px solid var(--line);
  font-size:15px;color:var(--ink-900);
}
.drawer-nav a.is-active{color:var(--primary);font-weight:600}
.drawer-cta{margin-top:auto;padding-top:20px}
.drawer-cta .btn{width:100%}

/* ---------- responsive ---------- */
@media screen and (max-width:1280px){
  .grid-container{max-width:1140px}
}
@media screen and (max-width:1024px){
  h1{font-size:34px}
  .page-hero h1{font-size:32px}
  h2{font-size:26px;padding-top:40px}
  .grid-container{padding-left:24px;padding-right:24px}
  .section{padding-top:56px;padding-bottom:56px}
  .nav-menu{gap:20px}
  .search-box{width:170px}
  .hero-grid{flex-direction:column;gap:30px}
  .hero-copy,.hero-visual{flex:1 1 100%;width:100%}
  .hero-visual img{height:220px}
  .split{flex-direction:column;gap:32px}
  .split-copy,.split-visual{flex:1 1 100%;width:100%}
  .cta-card{flex-direction:column;gap:28px;padding:32px}
  .cta-left,.cta-right{flex:1 1 100%;width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .dash{grid-template-columns:repeat(2,1fr)}
  .dash-item:nth-child(3){border-left:0}
  .dash-item:nth-child(n+3){border-top:1px solid var(--line)}
  .points-grid{grid-template-columns:1fr}
}
@media screen and (max-width:640px){
  body{font-size:16px}
  h1{font-size:28px}
  .page-hero{padding:24px 0 40px}
  .page-hero h1{font-size:28px}
  .hero-lead{font-size:15px}
  h2{font-size:23px;padding-top:32px}
  .grid-container{padding-left:18px;padding-right:18px}
  .section{padding-top:40px;padding-bottom:40px}
  .nav-menu,.search-box{display:none}
  .nav-toggle{display:flex}
  .header-inner{height:60px;gap:14px}
  .brand-text{font-size:16px}
  .header-right .btn{display:none}
  .steps-bar{top:60px}
  .timeline::before{left:19px}
  .tl-item{grid-template-columns:40px 1fr;gap:16px;padding-bottom:22px}
  .tl-node{width:40px;height:40px;font-size:14px;box-shadow:0 0 0 5px var(--surface)}
  .tl-card{padding:20px}
  .dash{grid-template-columns:1fr}
  .dash-item{border-left:0;border-top:1px solid var(--line)}
  .dash-item:first-child{border-top:0}
  .dash-num{font-size:30px}
  .split-visual img{height:220px}
  .form-row{flex-direction:column;gap:16px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;gap:8px}
  .cta-card{padding:24px}
  .to-top{right:16px;bottom:16px;width:42px;height:42px}
}