/* roulang page: index */
:root{
  --deep:#0B2E23;
  --mid:#14513C;
  --lime:#C7F03C;
  --orange:#FF6B35;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --alt:#EFEDE6;
  --ink:#14181A;
  --muted:#5B6560;
  --line:#E3E0D8;
  --r-card:18px;
  --r-img:12px;
  --shadow-1:0 1px 2px rgba(11,46,35,.06);
  --shadow-2:0 14px 30px -14px rgba(11,46,35,.22);
  --pad-y:88px;

  --bs-primary:#14513C;
  --bs-body-bg:#F7F5F0;
  --bs-body-color:#14181A;
  --bs-border-color:#E3E0D8;
  --bs-border-radius:12px;
  --bs-font-sans-serif:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Inter",sans-serif;
  --bs-link-color:#14513C;
  --bs-link-hover-color:#0B2E23;
  --bs-body-font-size:17px;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--bs-font-sans-serif);
  font-size:17px;
  line-height:1.85;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{text-decoration:none;color:inherit;transition:color .2s ease;}
a:hover{color:var(--mid);}
h1,h2,h3,h4{margin:0 0 .6em;font-weight:700;color:var(--deep);}
h1{font-size:44px;font-weight:800;letter-spacing:-.02em;line-height:1.25;}
h2{font-size:32px;line-height:1.3;letter-spacing:-.01em;}
h3{font-size:20px;line-height:1.4;}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--mid);outline-offset:2px;}

/* ---------- 容器 ---------- */
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.wrap{max-width:1320px;}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,245,240,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{
  background:rgba(247,245,240,.92);
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px -18px rgba(11,46,35,.5);
}
.nav-inner{
  display:flex;align-items:center;gap:32px;
  height:72px;
  transition:height .2s ease;
}
.site-header.is-scrolled .nav-inner{height:60px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--deep),var(--mid));
  display:flex;align-items:center;justify-content:center;
  color:var(--lime);font-size:18px;
  box-shadow:var(--shadow-1);
}
.brand-text{font-size:19px;font-weight:800;color:var(--deep);letter-spacing:-.01em;line-height:1.1;}
.brand-text small{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.12em;text-transform:uppercase;}

.nav-chips{display:flex;align-items:center;gap:8px;margin:0 auto;flex-wrap:nowrap;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:999px;
  border:1px solid var(--line);
  font-size:15px;font-weight:600;color:var(--ink);
  background:transparent;white-space:nowrap;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.chip:hover{background:var(--alt);color:var(--deep);border-color:var(--line);}
.chip.active{background:var(--lime);color:var(--deep);border-color:var(--lime);}
.nav-cta{flex:0 0 auto;margin-left:32px;}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface);color:var(--deep);
  align-items:center;justify-content:center;font-size:18px;cursor:pointer;
}
.mobile-panel{
  display:none;
  border-top:1px solid var(--line);
  background:var(--bg);
  padding:16px 24px 24px;
}
.mobile-panel.open{display:block;}
.mobile-panel .m-links{display:grid;gap:8px;margin-bottom:16px;}
.mobile-panel .m-links a{
  display:block;padding:12px 16px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface);
  font-weight:600;font-size:16px;color:var(--deep);
}
.mobile-panel .m-links a.active{background:var(--lime);border-color:var(--lime);}
.mobile-panel .m-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.mobile-panel .btn-main{width:100%;justify-content:center;}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost,.btn-text{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  cursor:pointer;border:0;background:none;
  transition:background .2s ease,color .2s ease,transform .16s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-main{
  padding:13px 28px;border-radius:999px;
  background:var(--lime);color:var(--deep);
  font-weight:700;font-size:16px;
  box-shadow:var(--shadow-1);
}
.btn-main:hover{background:var(--deep);color:var(--bg);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-main:active{transform:scale(.98);}
.btn-main:focus-visible{outline:2px solid var(--deep);outline-offset:3px;}

.btn-ghost{
  padding:12px 26px;border-radius:999px;
  background:var(--surface);border:1px solid var(--deep);color:var(--deep);
  font-weight:700;font-size:16px;
}
.btn-ghost:hover{background:var(--deep);color:#fff;transform:translateY(-1px);}
.btn-ghost:active{transform:scale(.98);}

.btn-text{
  padding:4px 0;color:var(--deep);font-weight:700;font-size:15px;
  border-bottom:2px solid transparent;border-radius:0;
}
.btn-text i{transition:transform .2s ease;}
.btn-text:hover{border-bottom-color:var(--lime);color:var(--deep);}
.btn-text:hover i{transform:translateX(4px);}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background-image:linear-gradient(135deg,rgba(11,46,35,.95) 0%,rgba(11,46,35,.62) 62%,rgba(20,81,60,.55) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  color:#F2F6F3;
  padding:96px 0 84px;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;
  width:460px;height:460px;border-radius:50%;
  border:1px solid rgba(199,240,60,.16);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.hero h1{color:#fff;margin-bottom:.5em;}
.hero .hero-sub{
  font-size:20px;font-weight:700;color:var(--lime);
  margin-bottom:.7em;letter-spacing:.01em;
}
.hero .hero-desc{
  font-size:17px;line-height:1.9;color:rgba(242,246,243,.82);
  max-width:600px;margin-bottom:1.8em;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px;}
.hero-actions .btn-ghost{background:transparent;border-color:rgba(242,246,243,.55);color:#F2F6F3;}
.hero-actions .btn-ghost:hover{background:#F2F6F3;color:var(--deep);border-color:#F2F6F3;}
.hero-chips{display:flex;gap:10px;flex-wrap:wrap;}
.hero-chips span{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
  font-size:13px;font-weight:600;color:#EDF3EE;
}
.hero-side{
  background:rgba(247,245,240,.96);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:0 24px 50px -26px rgba(0,0,0,.55);
  color:var(--ink);
}
.hero-side h2{font-size:20px;margin-bottom:.9em;}
.hero-side ul{display:grid;gap:14px;}
.hero-side li{display:flex;gap:12px;align-items:flex-start;font-size:15px;line-height:1.7;color:var(--muted);}
.hero-side li i{color:var(--mid);margin-top:6px;font-size:14px;}
.hero-side li strong{display:block;color:var(--deep);font-size:16px;font-weight:700;}

/* ---------- 状态条 ---------- */
.status-bar{background:var(--deep);color:#E9EFEA;}
.status-inner{display:flex;flex-wrap:wrap;gap:10px 30px;align-items:center;padding:16px 0;font-size:14px;}
.status-inner .live{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:700;color:var(--lime);font-size:13px;
}
.status-inner .live i{font-size:8px;}
.status-inner .item{color:rgba(233,239,234,.82);}
.status-inner .item b{color:#fff;font-weight:700;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--pad-y) 0;}
.section.alt{background:var(--alt);}
.sec-head{margin-bottom:44px;max-width:760px;}
.sec-head h2{margin-bottom:.45em;}
.sec-head p{color:var(--muted);font-size:17px;margin:0;}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px;}
.sec-head-row .sec-head{margin-bottom:0;}

/* ---------- 服务卡 ---------- */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.service-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:30px 24px 24px;
  box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  overflow:hidden;
  display:flex;flex-direction:column;
}
.service-card::before{content:"";position:absolute;left:0;top:0;right:0;height:3px;background:var(--deep);}
.service-card.c-lime::before{background:var(--lime);}
.service-card.c-orange::before{background:var(--orange);}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(11,46,35,.2);}
.service-icon{
  width:48px;height:48px;border-radius:14px;
  background:var(--alt);color:var(--deep);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;margin-bottom:18px;
}
.service-card p{color:var(--muted);font-size:16px;margin-bottom:20px;}
.service-card .btn-text{margin-top:auto;align-self:flex-start;}

/* ---------- 数据 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.stat-item{
  padding:8px 28px;
  border-left:1px solid #D9D5CB;
}
.stat-item:first-child{border-left:0;padding-left:0;}
.stat-num{font-size:44px;font-weight:800;line-height:1.1;color:var(--orange);letter-spacing:-.02em;}
.stat-num.green{color:var(--deep);}
.stat-num span{font-size:17px;font-weight:700;margin-left:4px;}
.stat-item p{margin:8px 0 0;font-size:15px;color:var(--muted);line-height:1.7;}

/* ---------- 案例 ---------- */
.case-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.case-main,.case-small{
  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;
  display:flex;flex-direction:column;
}
.case-main:hover,.case-small:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(11,46,35,.2);}
.case-media{position:relative;overflow:hidden;background:var(--alt);}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.case-main .case-media{aspect-ratio:16/9;}
.case-main:hover .case-media img,.case-small:hover .case-media img{transform:scale(1.03);}
.case-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.case-body h3{margin:12px 0 10px;}
.case-body p{color:var(--muted);font-size:15.5px;margin-bottom:16px;}
.case-result{
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);
  font-size:14px;color:var(--mid);font-weight:600;display:flex;gap:18px;flex-wrap:wrap;
}
.case-stack{display:grid;gap:24px;grid-template-rows:1fr 1fr;}
.case-small{flex-direction:row;}
.case-small .case-media{flex:0 0 42%;aspect-ratio:auto;min-height:100%;}
.case-small .case-body h3{font-size:17px;margin:10px 0 8px;}
.case-small .case-body p{font-size:15px;margin-bottom:12px;}

.tag{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:999px;
  font-size:13px;font-weight:600;
  background:var(--alt);color:var(--deep);
  white-space:nowrap;
}
.tag.lime{background:var(--lime);color:var(--deep);}
.tag.outline{background:transparent;border:1px solid var(--orange);color:var(--orange);}

/* ---------- 方案 ---------- */
.plan-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.plan-media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);}
.plan-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.plan-list{display:grid;gap:18px;margin:24px 0 28px;}
.plan-list li{display:flex;gap:14px;align-items:flex-start;}
.plan-list li i{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  background:var(--lime);color:var(--deep);
  display:flex;align-items:center;justify-content:center;font-size:12px;margin-top:4px;
}
.plan-list li strong{display:block;color:var(--deep);font-weight:700;font-size:16.5px;}
.plan-list li span{color:var(--muted);font-size:15.5px;line-height:1.75;}

/* ---------- 最新信息 ---------- */
.news-lead{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);margin-bottom:24px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-lead:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(11,46,35,.2);}
.news-lead .lead-media{overflow:hidden;background:var(--alt);min-height:260px;}
.news-lead .lead-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.news-lead:hover .lead-media img{transform:scale(1.03);}
.news-lead .lead-body{padding:32px;display:flex;flex-direction:column;}
.news-lead h3{font-size:24px;margin:14px 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-lead p{color:var(--muted);font-size:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(11,46,35,.2);}
.news-card .news-media{aspect-ratio:16/9;overflow:hidden;background:var(--alt);}
.news-card .news-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.news-card:hover .news-media img{transform:scale(1.03);}
.news-card .news-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.news-card h3{
  font-size:18px;margin:12px 0 10px;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{
  color:var(--muted);font-size:15px;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:13.5px;color:var(--muted);padding-top:14px;border-top:1px solid var(--line);
}
.news-meta i{margin-right:5px;}
.news-meta .read{margin-left:auto;color:var(--deep);font-weight:700;}
.news-card,.news-lead{text-decoration:none;color:inherit;}

.empty-state{
  border:1.5px dashed #CFCBBF;border-radius:16px;background:var(--bg);
  min-height:170px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;text-align:center;padding:28px;color:var(--muted);
}
.empty-state i{font-size:26px;color:var(--mid);opacity:.55;}
.empty-state p{margin:0;font-size:15px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:840px;margin:0 auto;}
.accordion-item{
  border:1px solid var(--line);border-radius:14px;overflow:hidden;
  margin-bottom:12px;background:var(--surface);box-shadow:var(--shadow-1);
}
.accordion-item:has(.accordion-button:not(.collapsed)){border-left:3px solid var(--lime);}
.accordion-button{
  font-size:17px;font-weight:700;color:var(--deep);background:var(--surface);
  padding:20px 22px;line-height:1.5;box-shadow:none!important;
}
.accordion-button:not(.collapsed){color:var(--deep);background:var(--surface);}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--mid);outline-offset:-2px;}
.accordion-button::after{
  background-image:none!important;
  content:"+";font-size:20px;font-weight:700;color:var(--deep);
  width:28px;height:28px;display:flex;align-items:center;justify-content:center;
  background:var(--alt);border-radius:50%;transform:none;flex:0 0 28px;
}
.accordion-button:not(.collapsed)::after{content:"−";background:var(--lime);}
.accordion-body{padding:0 22px 22px;font-size:16px;line-height:1.85;color:var(--muted);}
.faq-foot{text-align:center;margin-top:26px;color:var(--muted);font-size:15px;}

/* ---------- 联系 / CTA ---------- */
.contact{background:var(--alt);}
.contact-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:48px;align-items:start;}
.contact-info h2{margin-bottom:.5em;}
.contact-info > p{color:var(--muted);}
.info-list{display:grid;gap:18px;margin-top:26px;}
.info-list li{display:flex;gap:14px;align-items:flex-start;font-size:16px;color:var(--muted);line-height:1.8;}
.info-list li i{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;
  background:var(--surface);border:1px solid var(--line);color:var(--mid);
  display:flex;align-items:center;justify-content:center;font-size:16px;
}
.info-list li strong{display:block;color:var(--deep);font-weight:700;font-size:16px;}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--shadow-1);
}
.form-card h3{margin-bottom:.35em;}
.form-card .form-hint{font-size:14px;color:var(--muted);margin-bottom:22px;}
.form-label{font-size:14px;font-weight:600;color:var(--deep);margin-bottom:6px;}
.form-label .req{color:var(--orange);font-size:16px;line-height:1;margin-left:2px;}
.form-control,.form-select{
  height:48px;border-radius:12px;border:1px solid var(--line);
  font-size:15.5px;color:var(--ink);background:var(--surface);
  box-shadow:none;padding:10px 14px;
}
textarea.form-control{height:auto;min-height:120px;resize:vertical;}
.form-control::placeholder{color:#9AA29C;}
.form-control:focus,.form-select:focus{
  border-color:var(--mid);box-shadow:0 0 0 2px rgba(20,81,60,.22);
}
.form-check-input{width:18px;height:18px;margin-top:5px;border-color:#C9C5B9;}
.form-check-input:checked{background-color:var(--mid);border-color:var(--mid);}
.form-check-input:focus{box-shadow:0 0 0 2px rgba(20,81,60,.2);border-color:var(--mid);}
.form-check-label{font-size:14.5px;color:var(--muted);}
.error-text{display:none;color:#C0392B;font-size:12.5px;margin-top:5px;}
.field-error .form-control,.field-error .form-select{border-color:#C0392B;}
.field-error .error-text{display:block;}
.form-note{
  display:flex;gap:10px;align-items:flex-start;
  background:var(--bg);border:1px dashed var(--line);border-radius:12px;
  padding:12px 14px;font-size:14px;color:var(--muted);margin-bottom:20px;
}
.form-note i{color:var(--mid);margin-top:4px;}
.form-ok{display:none;margin-top:14px;font-size:14.5px;color:var(--mid);font-weight:600;}
.form-ok.show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:linear-gradient(135deg,var(--deep),var(--mid));
  color:#E9EFEA;padding:72px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-text small{color:rgba(233,239,234,.6);}
.footer-brand p{color:rgba(233,239,234,.66);font-size:15px;margin:18px 0 0;line-height:1.85;}
.footer-col h4{
  color:#fff;font-size:16px;font-weight:700;margin-bottom:18px;letter-spacing:.02em;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{color:rgba(233,239,234,.72);font-size:15px;}
.footer-col a:hover{color:var(--lime);}
.footer-col li{color:rgba(233,239,234,.72);font-size:15px;line-height:1.75;}
.footer-bottom{
  margin-top:56px;padding:22px 0 26px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(233,239,234,.6);
}
.footer-bottom .brandline{color:rgba(233,239,234,.8);font-weight:600;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  h1{font-size:38px;}
  h2{font-size:28px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .case-grid{grid-template-columns:1fr;}
  .case-stack{grid-template-columns:1fr 1fr;}
  .plan-grid{gap:32px;}
}
@media (max-width:991.98px){
  :root{--pad-y:64px;}
  .nav-chips{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .nav-inner{height:64px;}
  .service-grid{grid-template-columns:repeat(2,1fr);}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:26px 0;}
  .stat-item:nth-child(3){border-left:0;padding-left:0;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .news-lead{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .hero{padding:72px 0 64px;}
}
@media (max-width:767.98px){
  .plan-grid{grid-template-columns:1fr;}
  .plan-media{order:2;}
  .case-stack{grid-template-columns:1fr;}
  .case-small{flex-direction:column;}
  .case-small .case-media{flex:none;width:100%;aspect-ratio:16/9;min-height:0;}
  .sec-head-row{flex-direction:column;align-items:flex-start;gap:16px;}
}
@media (max-width:575.98px){
  :root{--pad-y:52px;}
  body{font-size:16px;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  .wrap{padding:0 16px;}
  .service-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr 1fr;gap:22px 0;}
  .stat-item{padding:0 18px;}
  .stat-num{font-size:34px;}
  .hero{padding:56px 0 52px;}
  .hero-side{padding:22px;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;justify-content:center;}
  .news-lead .lead-body{padding:22px;}
}

/* roulang page: category1 */
/* ============ 1. 设计变量 ============ */
:root{
  --brand:#0B2E23;
  --brand-mid:#14513C;
  --lime:#C7F03C;
  --orange:#FF6B35;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --soft:#EFEDE6;
  --ink:#14181A;
  --muted:#5B6560;
  --line:#E3E0D8;
  --radius-card:18px;
  --radius-img:12px;
  --radius-input:12px;
  --shadow-1:0 1px 2px rgba(11,46,35,.06);
  --shadow-2:0 14px 30px -14px rgba(11,46,35,.22);
  --pad-section:88px;
  --pad-section-m:52px;

  --bs-primary:#C7F03C;
  --bs-body-bg:#F7F5F0;
  --bs-body-color:#14181A;
  --bs-border-color:#E3E0D8;
  --bs-border-radius:18px;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Inter",sans-serif;
  --bs-link-color:#14513C;
  --bs-link-hover-color:#FF6B35;
}

/* ============ 2. 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-mid);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--orange);}
h1,h2,h3,h4{margin:0;color:var(--brand);letter-spacing:-.01em;}
h1{font-size:44px;font-weight:800;line-height:1.25;letter-spacing:-.02em;}
h2{font-size:32px;font-weight:700;line-height:1.3;}
h3{font-size:20px;font-weight:700;line-height:1.4;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

/* ============ 3. 容器与通用 ============ */
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--pad-section) 0;}
.section-soft{background:var(--soft);}
.section-head{margin-bottom:40px;max-width:760px;}
.section-head h2{margin-bottom:.55em;}
.section-head p{color:var(--muted);font-size:16px;margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--brand-mid);background:var(--soft);
  border:1px solid var(--line);border-radius:999px;
  padding:5px 14px;margin-bottom:18px;
}
.eyebrow i{color:var(--brand-mid);}

/* ============ 4. 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,245,240,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:height .2s ease,border-color .2s ease,background .2s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);}
.header-inner{
  display:flex;align-items:center;gap:32px;
  height:72px;transition:height .2s ease;
}
.site-header.is-scrolled .header-inner{height:60px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--brand);color:var(--lime);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;flex:0 0 auto;
}
.brand-text{
  display:flex;flex-direction:column;line-height:1.1;
  font-size:19px;font-weight:800;color:var(--brand);letter-spacing:-.01em;
}
.brand-text small{
  font-size:10px;font-weight:600;letter-spacing:.16em;
  color:var(--muted);margin-top:3px;
}
.nav-chips{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  margin-left:auto;margin-right:32px;
}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:999px;
  border:1px solid var(--line);background:transparent;
  color:var(--ink);font-size:14px;font-weight:600;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
  white-space:nowrap;
}
.chip:hover{background:var(--soft);color:var(--brand);border-color:var(--line);}
.chip.active{
  background:var(--lime);color:var(--brand);
  border-color:var(--lime);font-weight:700;
}
.chip.active:hover{background:var(--lime);color:var(--brand);}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}

.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;border:0;
  background:var(--lime);color:var(--brand);
  font-size:15px;font-weight:700;line-height:1.2;
  cursor:pointer;transition:all .22s ease;
}
.btn-main:hover{background:var(--brand);color:var(--bg);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-main:active{transform:scale(.98);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:12px;
  background:#fff;border:1px solid var(--brand);color:var(--brand);
  font-size:15px;font-weight:700;cursor:pointer;transition:all .22s ease;
}
.btn-ghost:hover{background:var(--brand);color:#fff;}
.btn-ghost:active{transform:scale(.98);}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:700;color:var(--brand-mid);
  border-bottom:2px solid transparent;padding-bottom:2px;transition:all .22s ease;
}
.btn-text i{transition:transform .22s ease;}
.btn-text:hover{color:var(--brand);border-bottom-color:var(--lime);}
.btn-text:hover i{transform:translateX(4px);}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--brand);
  align-items:center;justify-content:center;font-size:18px;cursor:pointer;
}
.mobile-panel{
  display:none;border-top:1px solid var(--line);background:rgba(247,245,240,.98);
  padding:18px 24px 24px;
}
.mobile-panel.is-open{display:block;}
.mobile-panel .chip{width:100%;justify-content:flex-start;margin-bottom:8px;}
.mobile-panel .btn-main{width:100%;margin-top:10px;}

/* ============ 5. 面包屑 ============ */
.crumbs{
  font-size:14px;line-height:1.6;color:var(--muted);
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  margin-bottom:22px;
}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--brand-mid);}
.crumbs .sep{opacity:.55;}
.crumbs .current{color:var(--brand);font-weight:700;}

/* ============ 6. 页面横幅 ============ */
.page-hero{
  position:relative;
  background-image:linear-gradient(135deg,rgba(11,46,35,.94),rgba(11,46,35,.62)),
                   url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  color:#EDF3EE;
  padding:78px 0 72px;
}
.page-hero h1{color:#fff;margin-bottom:.5em;max-width:860px;}
.page-hero .lede{
  font-size:19px;line-height:1.8;color:rgba(237,243,238,.86);
  max-width:760px;margin:0 0 26px;
}
.page-hero .crumbs{color:rgba(237,243,238,.72);margin-bottom:18px;}
.page-hero .crumbs a{color:rgba(237,243,238,.72);}
.page-hero .crumbs a:hover{color:var(--lime);}
.page-hero .crumbs .current{color:var(--lime);}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px;}
.hero-facts .chip{
  background:rgba(255,255,255,.09);
  border-color:rgba(255,255,255,.22);
  color:#EDF3EE;font-size:13px;
}
.hero-facts .chip:hover{background:rgba(199,240,60,.16);color:#fff;}

/* ============ 7. 双栏图文 ============ */
.layout-2col{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:start;}

.sticky-card{
  position:sticky;top:96px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);
  overflow:hidden;transition:box-shadow .22s ease,transform .22s ease;
}
.sticky-card:hover{box-shadow:var(--shadow-2);}
.sticky-card figure{margin:0;overflow:hidden;}
.sticky-card figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  transition:transform .35s ease;
}
.sticky-card:hover figure img{transform:scale(1.03);}
.sticky-body{padding:24px;}
.sticky-body h3{margin-bottom:.5em;}
.sticky-body .tagline{font-size:14px;color:var(--muted);margin-bottom:16px;}
.point-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:15px;line-height:1.7;color:var(--ink);
  padding:9px 0;border-bottom:1px dashed var(--line);
}
.point-list li:last-child{border-bottom:0;}
.point-list i{color:var(--brand-mid);font-size:14px;margin-top:6px;flex:0 0 auto;}
.sticky-body .btn-main{width:100%;margin-top:18px;}

.article-flow > .block{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:28px;
  margin-bottom:22px;box-shadow:var(--shadow-1);
  transition:box-shadow .22s ease,border-color .22s ease;
}
.article-flow > .block:hover{box-shadow:var(--shadow-2);border-color:rgba(11,46,35,.2);}
.article-flow h3{margin-bottom:.55em;position:relative;padding-left:16px;}
.article-flow h3::before{
  content:"";position:absolute;left:0;top:.34em;
  width:4px;height:.92em;border-radius:2px;background:var(--lime);
}
.article-flow p{font-size:16.5px;color:#22282A;}
.stat-bar{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:12px;
  margin-top:18px;padding:14px 18px;border-radius:12px;
  background:var(--soft);border-left:4px solid var(--lime);
}
.stat-bar .num{font-size:30px;font-weight:800;color:var(--orange);line-height:1.1;letter-spacing:-.02em;}
.stat-bar .num.green{color:var(--brand-mid);}
.stat-bar .lbl{font-size:14px;color:var(--muted);}

/* ============ 8. 场景卡片 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.scene-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:24px;
  box-shadow:var(--shadow-1);
  display:flex;gap:16px;align-items:flex-start;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(11,46,35,.2);}
.scene-card .ico{
  width:46px;height:46px;border-radius:14px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(20,81,60,.09);color:var(--brand-mid);font-size:19px;
}
.scene-card.alt .ico{background:rgba(199,240,60,.32);color:var(--brand);}
.scene-card.warm .ico{background:rgba(255,107,53,.13);color:var(--orange);}
.scene-card h3{font-size:18px;margin-bottom:.35em;}
.scene-card p{font-size:15px;color:var(--muted);margin:0;}

/* ============ 9. 相关阅读条 ============ */
.read-links{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:22px 26px;
  display:flex;flex-wrap:wrap;align-items:center;gap:14px 28px;
  box-shadow:var(--shadow-1);
}
.read-links .title{
  font-size:14px;font-weight:700;color:var(--brand);
  display:inline-flex;align-items:center;gap:8px;
}
.read-links .title i{color:var(--brand-mid);}
.read-links a{
  display:inline-flex;align-items:center;gap:7px;
  font-size:15px;font-weight:600;color:var(--brand-mid);
}
.read-links a i{transition:transform .22s ease;}
.read-links a:hover{color:var(--orange);}
.read-links a:hover i{transform:translateX(4px);}

/* ============ 10. FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.accordion-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:14px !important;margin-bottom:12px;overflow:hidden;
}
.accordion-button{
  background:var(--surface);color:var(--brand);
  font-size:17px;font-weight:700;line-height:1.6;
  padding:18px 22px;border:0;box-shadow:none !important;
  position:relative;
}
.accordion-button:not(.collapsed){background:var(--surface);color:var(--brand);}
.accordion-button::after{display:none;}
.accordion-button .pm{
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--soft);color:var(--brand-mid);font-size:12px;
  transition:transform .22s ease,background .22s ease;
}
.accordion-button:not(.collapsed) .pm{background:var(--lime);transform:translateY(-50%) rotate(180deg);}
.accordion-button::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;
  width:3px;border-radius:0 3px 3px 0;background:transparent;
  transition:background .22s ease;
}
.accordion-button:not(.collapsed)::before{background:var(--lime);}
.accordion-body{
  padding:2px 22px 22px;font-size:16px;line-height:1.85;color:#22282A;
}

/* ============ 11. CTA 区 ============ */
.cta-band{
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-mid) 100%);
  color:#EDF3EE;border-radius:24px;padding:46px 48px;
  display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;
  width:280px;height:280px;border-radius:50%;
  border:26px solid rgba(199,240,60,.12);
}
.cta-band h2{color:#fff;margin-bottom:.45em;}
.cta-band p{color:rgba(237,243,238,.8);font-size:16px;margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;position:relative;z-index:1;}
.cta-band .btn-ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.cta-band .btn-ghost:hover{background:#fff;color:var(--brand);border-color:#fff;}

/* ============ 12. 页脚 ============ */
.site-footer{
  background:var(--brand);color:#E9EFEA;
  padding:70px 0 26px;margin-top:var(--pad-section);
  background-image:linear-gradient(135deg,rgba(11,46,35,1),rgba(20,81,60,.92));
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-text small{color:rgba(233,239,234,.6);}
.footer-brand .brand-mark{background:rgba(199,240,60,.16);color:var(--lime);}
.footer-brand p{color:rgba(233,239,234,.66);font-size:15px;line-height:1.85;max-width:340px;}
.footer-col h4{
  color:#fff;font-size:16px;font-weight:700;margin-bottom:16px;
}
.footer-col ul li{
  font-size:14.5px;color:rgba(233,239,234,.66);line-height:1.9;
  margin-bottom:8px;
}
.footer-col ul li a{color:rgba(233,239,234,.66);}
.footer-col ul li a:hover{color:var(--lime);}
.footer-bottom{
  margin-top:46px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13.5px;color:rgba(233,239,234,.6);
}
.footer-bottom .brandline{color:rgba(233,239,234,.72);}

/* ============ 13. 响应式 ============ */
@media (max-width:1199.98px){
  .wrap{max-width:1140px;}
  h1{font-size:38px;}
  .layout-2col{gap:32px;}
}
@media (max-width:991.98px){
  :root{--pad-section:64px;}
  h1{font-size:34px;}
  h2{font-size:26px;}
  .nav-chips{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-main{display:none;}
  .layout-2col{grid-template-columns:1fr;}
  .sticky-card{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;padding:36px 32px;}
  .cta-actions{justify-content:flex-start;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .wrap{padding:0 18px;}
  :root{--pad-section:52px;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  .page-hero{padding:56px 0 52px;}
  .page-hero .lede{font-size:17px;}
  .scene-grid{grid-template-columns:1fr;}
  .article-flow > .block{padding:22px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{border-radius:18px;padding:30px 24px;}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%;}
  .read-links{padding:20px;flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:575.98px){
  h1{font-size:27px;}
  .brand-text{font-size:17px;}
  .header-inner{gap:14px;}
  .stat-bar .num{font-size:26px;}
}

/* roulang page: article */
/* ============================================================
   1. 设计变量层
   ============================================================ */
:root{
  --g900:#0B2E23;
  --g700:#14513C;
  --lime:#C7F03C;
  --orange:#FF6B35;
  --bg:#F7F5F0;
  --bg-alt:#EFEDE6;
  --surface:#FFFFFF;
  --ink:#14181A;
  --muted:#5B6560;
  --line:#E3E0D8;
  --ph:#9AA29C;

  --r-card:18px;
  --r-img:12px;
  --r-input:12px;
  --r-chip:999px;

  --sh-1:0 1px 2px rgba(11,46,35,.06);
  --sh-2:0 14px 30px -14px rgba(11,46,35,.22);

  --sec-pad:88px;
  --font-sans:"Inter",system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;

  /* Bootstrap 变量覆盖，杜绝默认蓝 */
  --bs-primary:#0B2E23;
  --bs-primary-rgb:11,46,35;
  --bs-secondary:#14513C;
  --bs-body-bg:#F7F5F0;
  --bs-body-color:#14181A;
  --bs-border-color:#E3E0D8;
  --bs-border-radius:18px;
  --bs-border-radius-lg:18px;
  --bs-border-radius-sm:12px;
  --bs-font-sans-serif:var(--font-sans);
  --bs-link-color:#14513C;
  --bs-link-hover-color:#FF6B35;
  --bs-link-decoration:none;
  --bs-focus-ring-color:rgba(11,46,35,.35);
}

/* ============================================================
   2. 基础 reset
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--g700);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--orange);}
ul,ol{margin:0;}
h1,h2,h3,h4{margin:0;color:var(--g900);font-weight:700;line-height:1.35;}
h1{font-size:44px;font-weight:800;letter-spacing:-.02em;line-height:1.25;}
h2{font-size:32px;line-height:1.3;}
h3{font-size:20px;font-weight:700;line-height:1.4;}
p{margin:0 0 1.1em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--g900);outline-offset:3px;}

/* ============================================================
   3. 容器
   ============================================================ */
.wrap{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1400px){
  .wrap{max-width:1320px;}
}

/* ============================================================
   4. 顶部导航
   ============================================================ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(247,245,240,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.site-header.scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 6px 18px -14px rgba(11,46,35,.35);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:72px;
  transition:min-height .2s ease;
}
.site-header.scrolled .header-inner{min-height:60px;}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--g900);
}
.brand:hover{color:var(--g900);}
.brand-mark{
  width:36px;
  height:36px;
  border-radius:11px;
  background:linear-gradient(135deg,var(--g900),var(--g700));
  color:var(--lime);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
}
.brand-text{
  font-size:19px;
  font-weight:800;
  letter-spacing:-.01em;
  line-height:1.1;
  display:inline-flex;
  flex-direction:column;
}
.brand-text small{
  font-size:10px;
  font-weight:600;
  letter-spacing:.16em;
  color:var(--muted);
  margin-top:2px;
}

.nav-chips{
  display:flex;
  flex:1 1 auto;
  justify-content:center;
  align-items:center;
  gap:8px;
  flex-wrap:nowrap;
}
.chip{
  display:inline-flex;
  align-items:center;
  padding:8px 16px;
  border-radius:var(--r-chip);
  border:1px solid var(--line);
  background:transparent;
  color:var(--ink);
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  transition:background-color .2s ease,border-color .2s ease,color .2s ease;
}
.chip:hover{background:var(--bg-alt);color:var(--g900);border-color:var(--line);}
.chip.active{
  background:var(--lime);
  border-color:var(--lime);
  color:var(--g900);
  font-weight:700;
}

.header-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex:0 0 auto;
  margin-left:18px;
}

.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--g900);
  align-items:center;
  justify-content:center;
  font-size:17px;
  cursor:pointer;
  transition:background-color .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--bg-alt);border-color:var(--g700);}

.site-nav-mobile{display:none;}
.site-nav-mobile.open{display:block;}
.mobile-panel{
  border-top:1px solid var(--line);
  padding:18px 0 24px;
}
.mobile-panel ul{list-style:none;padding:0;margin:0 0 16px;}
.mobile-panel li{margin-bottom:4px;}
.mobile-panel a{
  display:block;
  padding:10px 12px;
  border-radius:12px;
  color:var(--ink);
  font-size:15px;
  font-weight:600;
}
.mobile-panel a:hover{background:var(--bg-alt);color:var(--g900);}
.mobile-panel a.active{background:var(--lime);color:var(--g900);}
.mobile-panel .btn{width:100%;justify-content:center;}

/* ============================================================
   5. 按钮
   ============================================================ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--r-chip);
  font-size:15px;
  font-weight:700;
  padding:13px 28px;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-brand{
  background:var(--lime);
  color:var(--g900);
  box-shadow:var(--sh-1);
}
.btn-brand:hover{
  background:var(--g900);
  color:var(--bg);
  transform:translateY(-1px);
  box-shadow:var(--sh-2);
}
.btn-brand:active{transform:scale(.98);}
.btn-ghost{
  background:var(--surface);
  color:var(--g900);
  border-color:var(--g900);
}
.btn-ghost:hover{
  background:var(--g900);
  color:#FFFFFF;
  border-color:var(--g900);
  transform:translateY(-1px);
}
.btn-ghost:active{transform:scale(.98);}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:0;
  font-size:15px;
  font-weight:700;
  color:var(--g700);
  border:0;
  background:none;
  border-bottom:2px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.btn-text i{transition:transform .2s ease;}
.btn-text:hover{color:var(--g900);border-bottom-color:var(--lime);}
.btn-text:hover i{transform:translateX(4px);}
.btn-sm{padding:10px 20px;font-size:14px;}

/* ============================================================
   6. 文章头部横幅
   ============================================================ */
.article-hero{
  position:relative;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  color:#FFFFFF;
  padding:56px 0 52px;
  overflow:hidden;
}
.article-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(11,46,35,.95),rgba(11,46,35,.72));
}
.article-hero .wrap{position:relative;z-index:1;}

.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:rgba(233,239,234,.72);
  margin-bottom:16px;
}
.crumb a{color:rgba(233,239,234,.86);}
.crumb a:hover{color:var(--lime);}
.crumb .sep{color:rgba(233,239,234,.42);}
.crumb .current{
  color:#FFFFFF;
  font-weight:600;
  max-width:340px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

.article-hero h1{
  color:#FFFFFF;
  font-size:40px;
  line-height:1.32;
  max-width:940px;
  margin-bottom:20px;
  word-break:break-word;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:rgba(233,239,234,.78);
}
.meta-tag{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:var(--r-chip);
  background:var(--lime);
  color:var(--g900);
  font-size:13px;
  font-weight:700;
}
.meta-dot{
  width:4px;
  height:4px;
  border-radius:50%;
  background:rgba(233,239,234,.5);
}
.article-meta time{color:#FFFFFF;font-weight:600;}

/* ============================================================
   7. 文章主体 + 侧栏
   ============================================================ */
.article-section{padding:64px 0 72px;}
.article-shell{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:56px;
  align-items:start;
}
.article-col{min-width:0;}

.article-body{
  max-width:760px;
  margin:0 auto;
  font-size:17px;
  line-height:1.9;
  color:var(--ink);
  word-break:break-word;
}
.article-body p{margin:0 0 1.1em;}
.article-body > p:first-of-type{
  font-size:18px;
  line-height:1.85;
  color:#243029;
  background:var(--bg-alt);
  border-left:3px solid var(--lime);
  border-radius:0 12px 12px 0;
  padding:20px 22px;
  margin-bottom:1.4em;
}
.article-body h2{
  font-size:26px;
  margin:40px 0 14px;
  padding-left:0;
}
.article-body h2::after{
  content:"";
  display:block;
  width:46px;
  height:3px;
  border-radius:2px;
  background:var(--lime);
  margin-top:10px;
}
.article-body h3{
  font-size:20px;
  margin:28px 0 10px;
}
.article-body h4{font-size:17px;margin:22px 0 8px;}
.article-body ul{list-style:none;padding-left:0;margin:0 0 1.1em;}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:.55em;}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:2px;
  top:.72em;
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--lime);
  border:1px solid rgba(11,46,35,.22);
}
.article-body ol{padding-left:24px;margin:0 0 1.1em;}
.article-body ol li{margin-bottom:.55em;}
.article-body ol li::marker{color:var(--g700);font-weight:700;}
.article-body blockquote{
  margin:24px 0;
  padding:18px 22px;
  background:var(--bg-alt);
  border-left:4px solid var(--g700);
  border-radius:0 14px 14px 0;
  color:#2b342f;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  border-radius:var(--r-img);
  margin:26px auto;
  box-shadow:var(--sh-1);
}
.article-body figcaption{
  font-size:14px;
  color:var(--muted);
  text-align:center;
  margin:-14px 0 24px;
}
.article-body a{
  color:var(--g700);
  border-bottom:2px solid var(--lime);
  padding-bottom:1px;
}
.article-body a:hover{color:var(--orange);border-bottom-color:var(--orange);}
.article-body table{
  width:100%;
  display:block;
  overflow-x:auto;
  border-collapse:collapse;
  margin:24px 0;
  font-size:16px;
}
.article-body thead th{
  background:var(--bg-alt);
  color:var(--g900);
  font-weight:700;
  text-align:left;
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.article-body tbody td{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
}
.article-body tbody tr:nth-child(even){background:#FBFAF7;}
.article-body pre{
  background:#F1EFE9;
  border:1px solid var(--line);
  border-radius:var(--r-img);
  padding:16px 18px;
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
  margin:24px 0;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.92em;
  background:#F1EFE9;
  border-radius:6px;
  padding:2px 6px;
}
.article-body pre code{background:none;padding:0;}
.article-body hr{
  border:0;
  border-top:1px solid var(--line);
  margin:36px 0;
}

/* 空态 */
.empty-state{
  max-width:760px;
  margin:0 auto;
  min-height:220px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
  gap:10px;
  padding:40px 24px;
  border:1.5px dashed var(--line);
  border-radius:16px;
  background:var(--bg);
}
.empty-state i{font-size:30px;color:var(--g700);}
.empty-state h2{font-size:20px;}
.empty-state p{font-size:15px;color:var(--muted);margin:0 0 6px;max-width:420px;}

/* 文末标签 */
.article-foot{
  max-width:760px;
  margin:40px auto 0;
  padding-top:24px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:var(--r-chip);
  background:var(--bg-alt);
  color:var(--g900);
  font-size:13px;
  font-weight:600;
}
.tag:hover{background:var(--lime);color:var(--g900);}
.foot-actions{display:flex;align-items:center;gap:18px;}

/* 侧栏 */
.article-aside{
  position:sticky;
  top:92px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:22px;
}
.side-card h2{
  font-size:16px;
  font-weight:800;
  margin-bottom:12px;
}
.toc-list{list-style:none;padding:0;margin:0;}
.toc-list li{margin-bottom:2px;}
.toc-list a{
  display:block;
  padding:8px 10px;
  border-left:2px solid transparent;
  border-radius:0 10px 10px 0;
  font-size:14px;
  line-height:1.6;
  color:var(--muted);
}
.toc-list a:hover{background:var(--bg-alt);color:var(--g900);}
.toc-list a.active{
  background:var(--bg-alt);
  color:var(--g900);
  font-weight:700;
  border-left-color:var(--lime);
}
.toc-list .toc-empty{
  font-size:14px;
  color:var(--muted);
  padding:8px 10px;
}
.side-card p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:14px;}
.side-card .btn{width:100%;justify-content:center;}

/* ============================================================
   8. 相关推荐
   ============================================================ */
.related{
  background:var(--bg-alt);
  padding:var(--sec-pad) 0;
}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:36px;
}
.section-head p{color:var(--muted);font-size:15px;margin:8px 0 0;}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:26px;
}
.post-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(11,46,35,.2);
}
.post-thumb{
  position:relative;
  aspect-ratio:16 / 9;
  overflow:hidden;
  background:var(--bg-alt);
}
.post-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{
  padding:20px;
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
}
.post-cat{
  display:inline-flex;
  align-self:flex-start;
  padding:4px 10px;
  border-radius:var(--r-chip);
  background:var(--bg-alt);
  color:var(--g900);
  font-size:13px;
  font-weight:600;
  margin-bottom:12px;
}
.post-card h3{
  font-size:18px;
  line-height:1.5;
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-card h3 a{color:var(--g900);}
.post-card h3 a:hover{color:var(--g700);}
.post-body p{
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
  margin-bottom:16px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:14px;
  color:var(--muted);
  padding-top:14px;
  border-top:1px solid var(--line);
}
.post-meta .date{display:inline-flex;align-items:center;gap:6px;}
.post-meta .date i{color:var(--g700);}
.post-meta .more{font-weight:700;color:var(--g700);display:inline-flex;align-items:center;gap:5px;}
.post-meta .more i{transition:transform .2s ease;}
.post-card:hover .post-meta .more i{transform:translateX(4px);}

/* ============================================================
   9. CTA 条
   ============================================================ */
.cta-band{
  background:linear-gradient(135deg,var(--g900),var(--g700));
  color:#E9EFEA;
  padding:72px 0;
}
.cta-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}
.cta-inner h2{color:#FFFFFF;font-size:30px;margin-bottom:10px;}
.cta-inner p{color:rgba(233,239,234,.76);margin:0;max-width:620px;font-size:16px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============================================================
   10. 页脚
   ============================================================ */
.site-footer{
  background:linear-gradient(135deg,var(--g900),#0d3729);
  color:#E9EFEA;
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand .brand{color:#FFFFFF;margin-bottom:16px;}
.footer-brand .brand-text small{color:rgba(233,239,234,.6);}
.footer-brand p{
  font-size:14px;
  line-height:1.9;
  color:rgba(233,239,234,.66);
  margin:0;
  max-width:340px;
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:#FFFFFF;
  margin-bottom:16px;
}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{
  font-size:14px;
  line-height:1.9;
  color:rgba(233,239,234,.66);
  margin-bottom:8px;
}
.footer-col a{color:rgba(233,239,234,.66);}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:rgba(233,239,234,.6);
}
.footer-bottom .brandline{color:rgba(233,239,234,.78);}

/* ============================================================
   11. 响应式断点
   ============================================================ */
@media (max-width:1199.98px){
  .article-shell{grid-template-columns:minmax(0,1fr);gap:40px;}
  .article-aside{position:static;flex-direction:row;flex-wrap:wrap;}
  .article-aside .side-card{flex:1 1 280px;}
}
@media (max-width:991.98px){
  h1{font-size:32px;}
  h2{font-size:26px;}
  .article-hero h1{font-size:32px;}
  .nav-chips{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-brand{display:none;}
  :root{--sec-pad:64px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;}
}
@media (max-width:767.98px){
  body{font-size:16px;line-height:1.85;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  .wrap{padding:0 16px;}
  .article-hero{padding:44px 0 40px;}
  .article-hero h1{font-size:26px;line-height:1.4;}
  .article-section{padding:48px 0 56px;}
  .article-body{font-size:16px;}
  .article-body > p:first-of-type{font-size:17px;padding:16px 18px;}
  .article-body h2{font-size:22px;margin-top:32px;}
  .article-body h3{font-size:18px;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding:52px 0;}
  .cta-inner h2{font-size:24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .crumb .current{max-width:200px;}
}
@media (max-width:575.98px){
  .article-hero h1{font-size:23px;}
  .brand-text{font-size:17px;}
  .article-meta{gap:8px;font-size:13px;}
}

/* roulang page: category2 */
/* ============ 1. 设计变量 ============ */
:root{
  --brand:#0B2E23;
  --brand-mid:#14513C;
  --lime:#C7F03C;
  --orange:#FF6B35;
  --bg:#F7F5F0;
  --bg-alt:#EFEDE6;
  --card:#FFFFFF;
  --ink:#14181A;
  --muted:#5B6560;
  --line:#E3E0D8;
  --placeholder:#9AA29C;
  --radius:18px;
  --radius-sm:12px;
  --shadow-1:0 1px 2px rgba(11,46,35,.06);
  --shadow-2:0 14px 30px -14px rgba(11,46,35,.22);
  --ease:.22s ease;
  --font-sans:"Inter",system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;

  --bs-body-bg:var(--bg);
  --bs-body-color:var(--ink);
  --bs-font-sans-serif:var(--font-sans);
  --bs-primary:#0B2E23;
  --bs-primary-rgb:11,46,35;
  --bs-border-color:var(--line);
  --bs-border-radius:12px;
  --bs-link-color:#14513C;
  --bs-link-hover-color:#FF6B35;
  --bs-body-font-size:17px;
}

/* ============ 2. 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-mid);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--orange);}
p{margin:0 0 1.1em;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
h1{font-size:44px;font-weight:800;line-height:1.25;letter-spacing:-.02em;}
h2{font-size:32px;line-height:1.3;}
h3{font-size:20px;line-height:1.4;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:8px;
}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* ============ 3. 容器与排版 ============ */
.wrap{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:88px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:40px;
}
.section-head .lead-text{
  max-width:560px;
  color:var(--muted);
  font-size:16px;
  line-height:1.8;
  margin:0;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--brand-mid);
  background:var(--bg-alt);
  border-radius:999px;
  padding:5px 12px;
  margin-bottom:16px;
}
.eyebrow i{font-size:12px;color:var(--brand-mid);}
.section-head h2{margin-bottom:8px;}
.sub-note{color:var(--muted);font-size:14px;line-height:1.7;}

/* ============ 4. 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
}
.topbar{
  background:var(--brand);
  color:#E9EFEA;
  font-size:13.5px;
  max-height:46px;
  overflow:hidden;
  transition:max-height .2s ease,opacity .2s ease;
}
.site-header.is-scrolled .topbar{max-height:0;opacity:0;}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:46px;
}
.live{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-weight:600;
}
.live .pulse{
  width:8px;height:8px;border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 0 rgba(199,240,60,.7);
  animation:pulse 2.2s infinite;
  flex:0 0 8px;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(199,240,60,.65);}
  70%{box-shadow:0 0 0 10px rgba(199,240,60,0);}
  100%{box-shadow:0 0 0 0 rgba(199,240,60,0);}
}
.topbar-meta{color:rgba(233,239,234,.72);}

.nav-bar{
  background:rgba(247,245,240,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled .nav-bar{
  border-bottom-color:var(--line);
  box-shadow:0 4px 18px -14px rgba(11,46,35,.4);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:72px;
  transition:height .2s ease;
}
.site-header.is-scrolled .nav-inner{height:60px;}

.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  color:var(--brand);
  flex:0 0 auto;
}
.brand:hover{color:var(--brand);}
.brand-mark{
  width:38px;height:38px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--brand),var(--brand-mid));
  color:var(--lime);
  display:grid;place-items:center;
  font-size:16px;
  flex:0 0 38px;
}
.brand-text{
  display:flex;flex-direction:column;
  font-size:19px;font-weight:800;line-height:1.1;
  letter-spacing:-.01em;
}
.brand-text small{
  font-size:10px;font-weight:600;
  letter-spacing:.16em;
  color:var(--muted);
  margin-top:3px;
}

.nav-chips{
  display:flex;
  align-items:center;
  gap:8px;
  margin:0 auto;
  flex-wrap:nowrap;
}
.chip{
  display:inline-flex;
  align-items:center;
  padding:8px 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:transparent;
  color:var(--ink);
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  transition:background var(--ease),border-color var(--ease),color var(--ease);
}
.chip:hover{background:var(--bg-alt);color:var(--brand);border-color:var(--line);}
.chip.active{
  background:var(--lime);
  color:var(--brand);
  border-color:var(--lime);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:14px;
  margin-left:32px;
  flex:0 0 auto;
}
.nav-toggle{
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--brand);
  font-size:17px;
  display:none;
  align-items:center;
  justify-content:center;
}
.nav-toggle:hover{background:var(--bg-alt);}

.mobile-panel{
  border-top:1px solid var(--line);
  background:rgba(247,245,240,.98);
}
.mobile-panel .wrap{padding-top:18px;padding-bottom:22px;}
.mobile-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px;}
.mobile-chips .chip{width:100%;justify-content:flex-start;}

/* ============ 5. 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  border-radius:999px;
  font-weight:700;
  font-size:15px;
  padding:13px 28px;
  border:1px solid transparent;
  cursor:pointer;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  text-align:center;
}
.btn i{font-size:13px;}
.btn-primary{
  background:var(--lime);
  color:var(--brand);
  box-shadow:0 1px 2px rgba(11,46,35,.08);
}
.btn-primary:hover{
  background:var(--brand);
  color:var(--bg);
  transform:translateY(-1px);
  box-shadow:var(--shadow-2);
}
.btn-primary:active{transform:scale(.98);}
.btn-outline{
  background:#fff;
  border-color:var(--brand);
  color:var(--brand);
}
.btn-outline:hover{background:var(--brand);color:#fff;}
.btn-ghost-light{
  background:transparent;
  border-color:rgba(233,239,234,.55);
  color:#E9EFEA;
}
.btn-ghost-light:hover{background:#E9EFEA;color:var(--brand);border-color:#E9EFEA;}
.btn-sm{padding:10px 22px;font-size:14px;}
.btn-block{width:100%;}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--brand-mid);
  font-weight:700;
  font-size:15px;
  background:none;
  border:0;
  padding:0;
}
.btn-text i{transition:transform var(--ease);font-size:12px;}
.btn-text:hover{color:var(--brand);}
.btn-text:hover i{transform:translateX(4px);}
.btn-text::after{
  content:"";
  position:absolute;
}

/* ============ 6. 页面头图 ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  color:#E9EFEA;
  background:linear-gradient(135deg,rgba(11,46,35,.94),rgba(11,46,35,.72)),url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  padding:64px 0 76px;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-160px;
  bottom:-220px;
  width:520px;height:520px;
  border:40px solid rgba(199,240,60,.12);
  border-radius:50%;
  pointer-events:none;
}
.page-hero .wrap{position:relative;z-index:2;}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:rgba(233,239,234,.72);
  margin-bottom:22px;
}
.crumb a{color:rgba(233,239,234,.86);}
.crumb a:hover{color:var(--lime);}
.crumb .sep{color:rgba(233,239,234,.45);}
.crumb .current{color:#E9EFEA;font-weight:600;}
.page-hero h1{
  color:#fff;
  max-width:900px;
  margin-bottom:16px;
}
.hero-lead{
  max-width:720px;
  font-size:18px;
  line-height:1.85;
  color:rgba(233,239,234,.86);
  margin:0 0 22px;
}
.hero-tags{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-bottom:28px;
}
.hero-tags .tag{
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(233,239,234,.12);
  border:1px solid rgba(233,239,234,.24);
  color:#E9EFEA;
  border-radius:999px;
  padding:5px 13px;
  font-size:13px;
  font-weight:600;
}
.hero-tags .tag i{color:var(--lime);font-size:11px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 7. 卡片与网格 ============ */
.grid-3{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.card{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  overflow:hidden;
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-2);
  border-color:rgba(11,46,35,.2);
}
.card-top-bar{
  position:absolute;
  top:0;left:0;right:0;height:3px;
}
.bar-brand{background:var(--brand);}
.bar-lime{background:var(--lime);}
.bar-orange{background:var(--orange);}
.card-icon{
  width:46px;height:46px;
  border-radius:14px;
  background:var(--bg-alt);
  color:var(--brand);
  display:grid;place-items:center;
  font-size:19px;
  margin-bottom:18px;
}
.card h3{margin-bottom:10px;}
.card p{color:var(--muted);font-size:15.5px;line-height:1.85;margin:0 0 16px;}
.card-meta{
  display:flex;flex-wrap:wrap;gap:8px;
}
.badge-soft{
  font-size:13px;font-weight:600;
  background:var(--bg-alt);
  color:var(--brand-mid);
  border-radius:999px;
  padding:4px 10px;
}
.badge-lime{
  font-size:13px;font-weight:600;
  background:var(--lime);
  color:var(--brand);
  border-radius:999px;
  padding:4px 10px;
}
.badge-orange{
  font-size:13px;font-weight:600;
  background:#fff;
  color:var(--orange);
  border:1px solid var(--orange);
  border-radius:999px;
  padding:3px 10px;
}

/* ============ 8. 流程时间轴 ============ */
.process-grid{
  display:grid;
  grid-template-columns:minmax(0,1.4fr) minmax(0,.85fr);
  gap:48px;
  align-items:start;
}
.timeline{position:relative;padding-left:56px;}
.timeline::before{
  content:"";
  position:absolute;
  left:19px;top:12px;bottom:12px;
  width:2px;
  background:var(--line);
}
.tl-item{position:relative;padding-bottom:30px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;
  left:-56px;top:0;
  width:40px;height:40px;
  border-radius:50%;
  background:var(--lime);
  color:var(--brand);
  font-weight:800;
  font-size:14px;
  display:grid;place-items:center;
  border:3px solid var(--bg);
  box-shadow:var(--shadow-1);
}
.tl-item h3{margin-bottom:8px;}
.tl-item p{
  color:var(--muted);
  font-size:15.5px;
  line-height:1.85;
  margin:0;
}
.tl-tag{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  color:var(--brand-mid);
  background:var(--bg-alt);
  border-radius:999px;
  padding:3px 10px;
  margin-bottom:10px;
}
.aside-card{
  position:sticky;
  top:96px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.aside-media{
  position:relative;
  aspect-ratio:4/3;
  background:var(--bg-alt);
  overflow:hidden;
}
.aside-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .3s ease;
}
.aside-card:hover .aside-media img{transform:scale(1.03);}
.aside-body{padding:22px;}
.aside-body h3{font-size:18px;margin-bottom:12px;}
.stat-row{
  display:flex;
  justify-content:space-between;
  gap:12px;
  padding:12px 0;
  border-top:1px solid var(--line);
}
.stat-row:first-of-type{border-top:0;}
.stat-label{color:var(--muted);font-size:14.5px;}
.stat-value{font-weight:800;color:var(--brand);font-size:16px;}
.stat-value.accent{color:var(--orange);}

/* ============ 9. 数据表 ============ */
.table-scroll{
  overflow-x:auto;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-1);
}
.data-table{
  width:100%;
  min-width:680px;
  border-collapse:collapse;
  font-size:15.5px;
}
.data-table caption{caption-side:top;text-align:left;padding:18px 22px 6px;color:var(--muted);font-size:14px;}
.data-table th,.data-table td{
  padding:16px 22px;
  text-align:left;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
.data-table thead th{
  background:var(--bg-alt);
  color:var(--brand);
  font-size:14.5px;
  font-weight:700;
  white-space:nowrap;
}
.data-table tbody tr:nth-child(even){background:#FBF9F5;}
.data-table tbody tr:last-child th,.data-table tbody tr:last-child td{border-bottom:0;}
.data-table td strong{color:var(--brand);}

/* ============ 10. 延伸阅读 ============ */
.readmore-bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:18px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 26px;
  box-shadow:var(--shadow-1);
}
.readmore-bar .bar-title{
  font-size:15px;
  font-weight:700;
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  gap:9px;
  flex:0 0 auto;
}
.readmore-bar .bar-title i{color:var(--lime);}
.readmore-links{
  display:flex;
  flex-wrap:wrap;
  gap:10px 28px;
  margin-left:auto;
}
.readmore-links a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:600;
  font-size:15px;
  color:var(--brand-mid);
}
.readmore-links a i{font-size:12px;transition:transform var(--ease);}
.readmore-links a:hover{color:var(--orange);}
.readmore-links a:hover i{transform:translateX(4px);}

/* ============ 11. FAQ ============ */
.faq-wrap{max-width:920px;margin:0 auto;}
.faq-accordion .accordion-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.faq-accordion .accordion-button{
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  background:#fff;
  padding:18px 22px;
  border-left:3px solid transparent;
  box-shadow:none;
  line-height:1.6;
}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--brand);
  background:#fff;
  border-left-color:var(--lime);
}
.faq-accordion .accordion-button:focus{
  box-shadow:none;
  border-color:transparent;
  outline:2px solid var(--brand);
  outline-offset:-2px;
}
.faq-accordion .accordion-button::after{
  content:"+";
  background-image:none;
  width:26px;height:26px;
  font-size:20px;
  font-weight:600;
  line-height:1;
  display:grid;place-items:center;
  color:var(--brand-mid);
  margin-left:16px;
  flex:0 0 26px;
  transform:none;
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  content:"−";
  color:var(--brand);
  transform:none;
}
.faq-accordion .accordion-body{
  padding:2px 22px 22px;
  color:var(--muted);
  font-size:16px;
  line-height:1.85;
}
.faq-foot{
  text-align:center;
  margin-top:26px;
  color:var(--muted);
  font-size:15px;
}
.faq-foot a{font-weight:700;color:var(--brand-mid);}

/* ============ 12. 联系与表单 ============ */
.contact-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);
  gap:40px;
  align-items:start;
}
.info-list li{
  display:flex;
  gap:14px;
  padding:16px 0;
  border-bottom:1px solid var(--line);
}
.info-list li:first-child{padding-top:0;}
.info-list li:last-child{border-bottom:0;}
.info-list .ico{
  width:40px;height:40px;
  border-radius:12px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--brand-mid);
  display:grid;place-items:center;
  font-size:15px;
  flex:0 0 40px;
}
.info-list .txt strong{display:block;font-size:15.5px;color:var(--ink);margin-bottom:2px;}
.info-list .txt span{font-size:14.5px;color:var(--muted);}
.form-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px;
  box-shadow:var(--shadow-1);
}
.form-card h3{margin-bottom:6px;}
.form-card .form-hint{color:var(--muted);font-size:14.5px;margin:0 0 22px;}
.form-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
}
.form-field{display:flex;flex-direction:column;gap:8px;}
.form-field.full{grid-column:1/-1;}
.form-field label{font-size:14px;font-weight:600;color:var(--ink);}
.form-field label .req{
  display:inline-block;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--orange);
  margin-left:6px;
  vertical-align:middle;
}
.form-field input,
.form-field select,
.form-field textarea{
  width:100%;
  min-height:48px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  padding:12px 14px;
  font-size:15.5px;
  color:var(--ink);
  font-family:inherit;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.form-field textarea{min-height:112px;resize:vertical;line-height:1.75;}
.form-field input::placeholder,
.form-field textarea::placeholder{color:var(--placeholder);}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 2px rgba(11,46,35,.18);
  outline:none;
}
.check-line{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14.5px;
  color:var(--muted);
}
.check-line input{width:18px;height:18px;min-height:18px;margin-top:4px;accent-color:var(--brand);flex:0 0 18px;}
.field-error{
  font-size:12px;
  color:#C0392B;
  min-height:16px;
  line-height:1.5;
}
.form-field.has-error input,
.form-field.has-error select,
.form-field.has-error textarea{border-color:#C0392B;}
.form-actions{
  grid-column:1/-1;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  margin-top:4px;
}
.form-note{font-size:14px;color:var(--muted);min-height:20px;}
.form-note.is-ok{color:var(--brand-mid);font-weight:600;}
.form-note.is-bad{color:#C0392B;font-weight:600;}
.promise{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--brand-mid);
  background:var(--bg-alt);
  border-radius:999px;
  padding:6px 14px;
}

/* ============ 13. CTA 条 ============ */
.cta-strip{
  background:linear-gradient(135deg,var(--brand),var(--brand-mid));
  color:#E9EFEA;
  border-radius:var(--radius);
  padding:40px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:26px;
}
.cta-strip h2{color:#fff;font-size:26px;margin-bottom:8px;}
.cta-strip p{color:rgba(233,239,234,.82);margin:0;font-size:15.5px;}
.cta-strip .cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 14. 页脚 ============ */
.site-footer{
  background:linear-gradient(135deg,#0B2E23,#14513C);
  color:#E9EFEA;
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.site-footer .brand{color:#fff;}
.site-footer .brand:hover{color:#fff;}
.site-footer .brand-mark{background:rgba(255,255,255,.12);color:var(--lime);}
.site-footer .brand-text small{color:rgba(233,239,234,.6);}
.footer-brand p{
  color:rgba(233,239,234,.72);
  font-size:14.5px;
  line-height:1.85;
  margin:18px 0 0;
  max-width:340px;
}
.footer-col h4{
  font-size:15px;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col ul li{
  font-size:14.5px;
  color:rgba(233,239,234,.68);
  line-height:1.9;
  margin-bottom:10px;
}
.footer-col ul li a{color:rgba(233,239,234,.78);}
.footer-col ul li a:hover{color:var(--lime);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13.5px;
  color:rgba(233,239,234,.62);
}
.brandline{color:rgba(233,239,234,.78);letter-spacing:.02em;}

/* ============ 15. 响应式 ============ */
@media (max-width:1399.98px){
  .wrap{max-width:1200px;}
}
@media (max-width:1199.98px){
  h1{font-size:38px;}
  h2{font-size:28px;}
  .nav-chips{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn{display:none;}
  .nav-inner{justify-content:space-between;gap:16px;}
  .process-grid{grid-template-columns:1fr;gap:36px;}
  .aside-card{position:static;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
}
@media (max-width:991.98px){
  .section{padding:64px 0;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .contact-grid{grid-template-columns:1fr;gap:32px;}
  .page-hero{padding:52px 0 60px;}
  .page-hero h1{font-size:32px;}
  .hero-lead{font-size:16.5px;}
  .cta-strip{padding:30px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .wrap{padding:0 18px;}
  .section{padding:52px 0;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  h3{font-size:18px;}
  .grid-3{grid-template-columns:1fr;}
  .section-head{align-items:flex-start;}
  .timeline{padding-left:48px;}
  .tl-dot{left:-48px;width:36px;height:36px;font-size:13px;}
  .timeline::before{left:17px;}
  .form-grid{grid-template-columns:1fr;}
  .form-actions{flex-direction:column;align-items:stretch;}
  .form-actions .btn{width:100%;}
  .readmore-bar{padding:20px;}
  .readmore-links{margin-left:0;width:100%;flex-direction:column;gap:12px;}
  .hero-actions .btn{width:100%;}
  .cta-strip{padding:26px 22px;}
  .cta-strip .cta-actions{width:100%;}
  .cta-strip .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px;}
  .topbar{font-size:12.5px;}
  .topbar-meta{display:none;}
  .brand-text{font-size:17px;}
  .form-card{padding:20px;}
  .card{padding:20px;}
  .data-table th,.data-table td{padding:14px 16px;}
}

/* roulang page: category3 */
/* ============================================================
   1. 设计变量层
   ============================================================ */
:root{
  --c-brand-900:#0B2E23;
  --c-brand-700:#14513C;
  --c-lime:#C7F03C;
  --c-orange:#FF6B35;
  --c-bg:#F7F5F0;
  --c-bg-alt:#EFEDE6;
  --c-card:#FFFFFF;
  --c-ink:#14181A;
  --c-muted:#5B6560;
  --c-line:#E3E0D8;
  --c-placeholder:#9AA29C;
  --r-card:18px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,46,35,.06);
  --sh-2:0 14px 30px -14px rgba(11,46,35,.22);
  --wrap:1200px;
  --sect-y:88px;

  --bs-primary:#0B2E23;
  --bs-body-bg:#F7F5F0;
  --bs-body-color:#14181A;
  --bs-border-color:#E3E0D8;
  --bs-border-radius:12px;
  --bs-link-color:#14513C;
  --bs-link-hover-color:#0B2E23;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --bs-body-font-family:var(--bs-font-sans-serif);
  --bs-body-line-height:1.85;
}

/* ============================================================
   2. 基础 reset / base
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--bs-font-sans-serif);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-brand-700);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-brand-900);}
h1,h2,h3,h4{margin:0;color:var(--c-brand-900);letter-spacing:-.01em;}
h1{font-size:44px;font-weight:800;line-height:1.25;letter-spacing:-.02em;}
h2{font-size:32px;font-weight:700;line-height:1.3;}
h3{font-size:20px;font-weight:700;line-height:1.4;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--c-brand-700);outline-offset:3px;border-radius:6px;}
::selection{background:var(--c-lime);color:var(--c-brand-900);}

/* ============================================================
   3. 容器
   ============================================================ */
.wrap{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--sect-y) 0;}
.section.alt{background:var(--c-bg-alt);}
.section-head{margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-brand-700);
  background:var(--c-bg-alt);border-radius:var(--r-pill);
  padding:4px 12px;margin-bottom:14px;
}
.section.alt .section-head .eyebrow{background:#fff;}
.section-head h2{max-width:760px;}
.section-head p{
  margin-top:14px;max-width:720px;color:var(--c-muted);font-size:17px;
}

/* ============================================================
   4. 顶部导航
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,245,240,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,background .2s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);}
.header-inner{
  display:flex;align-items:center;gap:32px;
  min-height:72px;
  transition:min-height .2s ease;
}
.site-header.is-scrolled .header-inner{min-height:60px;}

.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,#0B2E23,#14513C);
  color:var(--c-lime);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;
}
.brand-text{
  font-size:19px;font-weight:800;color:var(--c-brand-900);
  line-height:1.1;letter-spacing:-.01em;
  display:inline-flex;flex-direction:column;
}
.brand-text small{
  font-size:10px;font-weight:600;letter-spacing:.14em;
  color:var(--c-muted);margin-top:2px;
}

.nav-chips{
  display:flex;align-items:center;gap:5px;
  margin-left:auto;flex-wrap:nowrap;
}
.chip{
  display:inline-flex;align-items:center;
  padding:8px 14px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  background:transparent;color:var(--c-ink);
  font-size:14px;font-weight:600;white-space:nowrap;
  text-decoration:none;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.chip:hover{background:var(--c-bg-alt);color:var(--c-brand-900);}
.chip.active{background:var(--c-lime);color:var(--c-brand-900);border-color:var(--c-lime);}

.header-cta{flex:0 0 auto;}

.nav-toggle{
  display:none;width:44px;height:44px;flex:0 0 auto;
  border:1px solid var(--c-line);border-radius:12px;
  background:#fff;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
  cursor:pointer;transition:background .2s ease;
}
.nav-toggle:hover{background:var(--c-bg-alt);}
.nav-toggle span{
  display:block;width:18px;height:2px;border-radius:2px;
  background:var(--c-brand-900);transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.mobile-panel{
  display:none;flex-direction:column;gap:2px;
  padding:10px 24px 20px;
  border-top:1px solid var(--c-line);
  background:rgba(247,245,240,.98);
}
.mobile-panel.open{display:flex;}
.mobile-panel a{
  padding:12px 12px;border-radius:12px;
  color:var(--c-ink);font-weight:600;font-size:15px;
}
.mobile-panel a:hover{background:var(--c-bg-alt);}
.mobile-panel a.active{background:var(--c-lime);color:var(--c-brand-900);}
.mobile-panel .mobile-cta{margin-top:10px;justify-content:center;}
body.nav-open{overflow:hidden;}

/* ============================================================
   5. 按钮 / 标签 / 徽章
   ============================================================ */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--c-lime);color:var(--c-brand-900);
  font-weight:700;font-size:16px;line-height:1.2;
  padding:13px 28px;border-radius:var(--r-pill);border:0;
  cursor:pointer;text-decoration:none;
  transition:background .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-main:hover{
  background:var(--c-brand-900);color:var(--c-bg);
  transform:translateY(-1px);box-shadow:var(--sh-2);
}
.btn-main:active{transform:scale(.98);}
.btn-main:focus-visible{outline:2px solid var(--c-brand-700);outline-offset:3px;}
.btn-main.sm{padding:10px 20px;font-size:15px;}

.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--c-brand-700);
  border:1px solid var(--c-brand-900);
  font-weight:700;font-size:16px;line-height:1.2;
  padding:12px 26px;border-radius:var(--r-pill);
  cursor:pointer;text-decoration:none;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.btn-ghost:hover{background:var(--c-brand-900);color:#fff;transform:translateY(-1px);}
.btn-ghost:active{transform:scale(.98);}

.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-brand-700);font-weight:700;font-size:15px;
  text-decoration:none;
  border-bottom:2px solid transparent;
  padding-bottom:2px;
  transition:color .2s ease,border-color .2s ease;
}
.btn-text i{transition:transform .2s ease;font-size:13px;}
.btn-text:hover{color:var(--c-brand-900);border-bottom-color:var(--c-lime);}
.btn-text:hover i{transform:translateX(4px);}

.tag{
  display:inline-flex;align-items:center;
  font-size:13px;font-weight:600;line-height:1;
  padding:5px 10px;border-radius:var(--r-pill);
  background:var(--c-bg-alt);color:var(--c-brand-700);
}
.tag.lime{background:var(--c-lime);color:var(--c-brand-900);}
.tag.warn{background:transparent;border:1px solid var(--c-orange);color:#C2431A;}

/* ============================================================
   6. 面包屑 / 页面 Hero
   ============================================================ */
.crumbs{
  font-size:14px;color:var(--c-muted);
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  margin-bottom:20px;
}
.crumbs a{color:rgba(233,239,234,.72);}
.crumbs a:hover{color:var(--c-lime);}
.crumbs .sep{color:rgba(233,239,234,.45);}
.crumbs .now{color:#E9EFEA;font-weight:600;}

.page-hero{
  position:relative;
  color:#fff;
  padding:56px 0 68px;
  background-image:
    linear-gradient(135deg,rgba(11,46,35,.94),rgba(11,46,35,.62)),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:rgba(199,240,60,.35);
}
.page-hero h1{color:#fff;max-width:800px;}
.page-hero .hero-sub{
  margin-top:16px;font-size:19px;line-height:1.7;
  color:rgba(233,239,234,.9);max-width:620px;
}
.page-hero .hero-note{
  margin-top:8px;font-size:15px;color:rgba(233,239,234,.7);max-width:640px;
}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-chips span{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.28);
  font-size:13px;font-weight:600;color:#F1F6F2;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.page-hero .btn-ghost{
  background:transparent;color:#F1F6F2;border-color:rgba(255,255,255,.55);
}
.page-hero .btn-ghost:hover{background:#F7F5F0;color:var(--c-brand-900);border-color:#F7F5F0;}

/* ============================================================
   7. 导语 + 数据条
   ============================================================ */
.intro-figure{
  border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--c-line);background:var(--c-card);box-shadow:var(--sh-1);
}
.intro-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.no-img{
  display:flex;align-items:center;justify-content:center;
  background:var(--c-bg-alt);color:var(--c-muted);
  font-size:38px;
}
.lead-text{font-size:17px;color:var(--c-ink);}
.lead-text strong{color:var(--c-brand-900);}

.stat-strip{
  display:grid;grid-template-columns:repeat(3,1fr);
  margin-top:34px;background:#fff;
  border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.stat-strip .stat{padding:24px;border-right:1px solid var(--c-line);}
.stat-strip .stat:last-child{border-right:0;}
.stat .num{
  display:block;font-size:40px;font-weight:800;line-height:1.1;
  color:var(--c-orange);letter-spacing:-.02em;
}
.stat .num small{font-size:16px;font-weight:700;margin-left:4px;color:var(--c-brand-700);}
.stat .cap{display:block;margin-top:8px;font-size:14px;color:var(--c-muted);}

/* ============================================================
   8. 对比卡
   ============================================================ */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-card{
  background:#fff;border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.compare-card.recommend{border:2px solid var(--c-brand-700);}
.compare-card.plain{border:1px solid var(--c-line);}
.compare-card h3{margin-top:14px;}
.compare-card .card-note{color:var(--c-muted);font-size:15px;margin-top:8px;}
.compare-list{margin-top:18px;display:flex;flex-direction:column;gap:12px;}
.compare-list li{display:flex;gap:10px;font-size:15px;line-height:1.7;color:var(--c-ink);}
.compare-list li i{margin-top:5px;font-size:12px;flex:0 0 auto;}
.compare-card.recommend .compare-list li i{color:var(--c-brand-700);}
.compare-card.plain .compare-list li i{color:#B4B8B2;}
.compare-foot{
  margin-top:20px;padding-top:16px;border-top:1px solid var(--c-line);
  font-size:14px;color:var(--c-muted);
}

/* ============================================================
   9. 清单卡
   ============================================================ */
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.check-card{
  display:flex;gap:16px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.check-card:hover{
  transform:translateY(-4px);box-shadow:var(--sh-2);
  border-color:rgba(11,46,35,.28);
}
.check-card .ico{
  width:44px;height:44px;flex:0 0 auto;border-radius:12px;
  background:var(--c-bg-alt);color:var(--c-brand-700);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;
}
.check-card .body h3{font-size:18px;}
.check-card .body p{margin-top:6px;font-size:15px;color:var(--c-muted);line-height:1.7;}
.check-card .idx{
  margin-left:auto;font-size:13px;font-weight:700;color:var(--c-muted);
  align-self:flex-start;
}

/* ============================================================
   10. 延伸阅读入口条
   ============================================================ */
.read-strip{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:24px 28px;
  display:flex;align-items:center;gap:24px;flex-wrap:wrap;
}
.read-strip .strip-title{
  font-size:15px;font-weight:700;color:var(--c-brand-900);
  display:inline-flex;align-items:center;gap:8px;flex:0 0 auto;
}
.read-strip .strip-title i{color:var(--c-brand-700);}
.read-strip .strip-links{
  display:flex;gap:24px;flex-wrap:wrap;margin-left:auto;
}
.read-strip .strip-links a{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--c-brand-700);
}
.read-strip .strip-links a i{font-size:12px;transition:transform .2s ease;}
.read-strip .strip-links a:hover{color:var(--c-brand-900);}
.read-strip .strip-links a:hover i{transform:translateX(4px);}

/* ============================================================
   11. FAQ 手风琴
   ============================================================ */
.faq-wrap{max-width:920px;margin:0 auto;}
.faq-accordion .accordion-item{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:14px;
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.faq-accordion .accordion-header{margin:0;}
.faq-accordion .accordion-button{
  background:#fff;color:var(--c-brand-900);
  font-size:17px;font-weight:700;line-height:1.6;
  padding:20px 22px;
  box-shadow:none;
  border-radius:14px;
  transition:box-shadow .2s ease,color .2s ease;
}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--c-brand-900);
  box-shadow:inset 3px 0 0 0 var(--c-lime);
  background:#fff;
}
.faq-accordion .accordion-button:focus{
  box-shadow:inset 3px 0 0 0 var(--c-lime),0 0 0 2px rgba(20,81,60,.25);
  border-color:transparent;
}
.faq-accordion .accordion-button::after{
  background-image:none;
  content:"+";
  font-size:22px;font-weight:700;line-height:1;
  color:var(--c-brand-700);
  width:auto;height:auto;
  display:flex;align-items:center;justify-content:center;
  margin-left:16px;
  transform:none;
}
.faq-accordion .accordion-button:not(.collapsed)::after{content:"−";}
.faq-accordion .accordion-body{
  padding:0 22px 22px 22px;
  font-size:16px;line-height:1.85;color:var(--c-ink);
}
.faq-accordion .accordion-body p{color:var(--c-ink);}
.faq-foot{
  text-align:center;margin-top:26px;font-size:15px;color:var(--c-muted);
}
.faq-foot a{
  color:var(--c-brand-700);font-weight:700;
  border-bottom:2px solid var(--c-lime);
}

/* ============================================================
   12. CTA 与表单
   ============================================================ */
.cta-band{
  position:relative;
  background:linear-gradient(135deg,#0B2E23,#14513C);
  border-radius:24px;
  padding:48px;
  color:#E9EFEA;
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-120px;
  width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(199,240,60,.16);
}
.cta-band h2{color:#fff;margin-bottom:14px;}
.cta-band .cta-lead{color:rgba(233,239,234,.82);font-size:16px;max-width:440px;}
.cta-points{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.cta-points li{display:flex;gap:10px;font-size:15px;color:rgba(233,239,234,.9);}
.cta-points li i{color:var(--c-lime);margin-top:5px;font-size:12px;}
.cta-band .btn-main:hover{background:#F7F5F0;color:var(--c-brand-900);}

.lead-form{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:18px;
  padding:26px;
  position:relative;
}
.field{margin-bottom:16px;}
.field label{
  display:block;font-size:14px;font-weight:600;
  color:#E9EFEA;margin-bottom:7px;
}
.req-dot{
  display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--c-orange);margin-left:6px;vertical-align:middle;
}
.lead-form .form-control,
.lead-form .form-select{
  width:100%;height:48px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.22);
  background:#fff;color:var(--c-ink);
  font-size:15px;padding:0 14px;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.lead-form textarea.form-control{height:auto;min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical;}
.lead-form .form-control::placeholder{color:var(--c-placeholder);}
.lead-form .form-control:focus,
.lead-form .form-select:focus{
  border-color:var(--c-lime);
  box-shadow:0 0 0 2px rgba(199,240,60,.4);
  outline:none;
}
.lead-form .form-check{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(233,239,234,.85);}
.lead-form .form-check-input{
  width:18px;height:18px;margin-top:4px;flex:0 0 auto;
  border-radius:5px;border:1px solid rgba(255,255,255,.45);
  background:#fff;cursor:pointer;
}
.lead-form .form-check-input:checked{background-color:var(--c-lime);border-color:var(--c-lime);}
.lead-form .form-check-input:focus{box-shadow:0 0 0 2px rgba(199,240,60,.35);border-color:var(--c-lime);}
.lead-form .form-check-label{line-height:1.6;}
.err-msg{
  display:none;margin:6px 0 0;font-size:12px;color:#FFB4A0;
}
.err-msg.show{display:block;}
.form-note{
  margin-top:14px;font-size:13px;color:rgba(233,239,234,.7);
  display:flex;align-items:flex-start;gap:8px;
}
.form-note i{margin-top:3px;color:var(--c-lime);}
.form-success{
  display:none;
  background:rgba(199,240,60,.12);
  border:1px solid rgba(199,240,60,.5);
  border-radius:14px;padding:18px 20px;
  color:#F1F6F2;font-size:15px;
}
.form-success.show{display:block;}
.form-success strong{color:var(--c-lime);}
.cta-actions{margin-top:22px;display:flex;flex-wrap:wrap;gap:12px;}

/* ============================================================
   13. 页脚
   ============================================================ */
.site-footer{
  background:var(--c-brand-900);
  color:#E9EFEA;
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-text small{color:rgba(233,239,234,.6);}
.footer-brand p{
  margin-top:18px;font-size:14px;line-height:1.9;
  color:rgba(233,239,234,.66);max-width:340px;
}
.footer-col h4{
  color:#fff;font-size:16px;font-weight:700;
  margin-bottom:16px;letter-spacing:0;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{font-size:14px;color:rgba(233,239,234,.66);line-height:1.7;}
.footer-col a{color:rgba(233,239,234,.66);font-size:14px;}
.footer-col a:hover{color:var(--c-lime);}
.footer-bottom{
  margin-top:48px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(233,239,234,.6);
}
.footer-bottom .brandline{color:rgba(233,239,234,.75);}

/* ============================================================
   14. 响应式断点
   ============================================================ */
@media (max-width:1199.98px){
  .chip{font-size:13px;padding:7px 12px;}
  .header-inner{gap:22px;}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:32px;}
  .footer-grid .footer-col:last-child{grid-column:span 3;}
}
@media (max-width:991.98px){
  :root{--sect-y:64px;}
  h1{font-size:34px;}
  h2{font-size:26px;}
  .nav-chips{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .header-inner{justify-content:space-between;}
  .compare-grid{grid-template-columns:1fr;}
  .check-grid{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-strip .stat{border-right:0;border-bottom:1px solid var(--c-line);}
  .stat-strip .stat:last-child{border-bottom:0;}
  .cta-band{padding:32px 24px;border-radius:18px;}
  .read-strip{flex-direction:column;align-items:flex-start;gap:18px;}
  .read-strip .strip-links{margin-left:0;flex-direction:column;gap:14px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-grid .footer-col:last-child{grid-column:span 2;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .page-hero{padding:40px 0 52px;}
  .page-hero .hero-sub{font-size:17px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .section-head{margin-bottom:28px;}
}
@media (max-width:575.98px){
  :root{--sect-y:52px;}
  .wrap{padding:0 16px;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  h3{font-size:18px;}
  .compare-card{padding:22px;}
  .check-card{padding:18px;}
  .cta-band{padding:26px 18px;}
  .lead-form{padding:20px 16px;}
  .stat .num{font-size:34px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-grid .footer-col:last-child{grid-column:span 1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}