/* roulang page: index */
:root{
  --ink:#1A2421;
  --ink2:#5B6B65;
  --green:#1E4B3F;
  --green-d:#14332B;
  --green-l:#2C6455;
  --orange:#E4672B;
  --orange-d:#C4531F;
  --orange-l:#FCEBE1;
  --mist:#7E9C93;
  --mist-l:#A9C0B8;
  --bg:#F7F4EE;
  --card:#FFFFFF;
  --soft:#EEF1EA;
  --dark:#122A24;
  --line:#E2DED4;
  --line-dark:rgba(255,255,255,.14);
  --white-72:rgba(243,247,245,.72);
  --r-btn:10px;
  --r-card:16px;
  --r-img:12px;
  --r-lg:20px;
  --sh-1:0 6px 18px rgba(18,42,36,.07);
  --sh-2:0 14px 32px rgba(18,42,36,.13);
  --sec:96px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--green-d);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--orange-d);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:0;}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(228,103,43,.42);outline-offset:2px;border-radius:6px;}

.container{max-width:1200px;padding-left:32px;padding-right:32px;}
.section{padding:var(--sec) 0;}
.sec-head{max-width:720px;margin-bottom:32px;}
.sec-head h2{font-size:32px;line-height:1.3;margin-bottom:12px;}
.sec-head p{font-size:16px;line-height:1.7;color:var(--ink2);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  color:var(--orange-d);background:var(--orange-l);
  border-radius:999px;padding:6px 14px;margin-bottom:20px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange);}

/* ============ 顶部信息条 ============ */
.topbar{
  background:var(--dark);
  color:var(--white-72);
  font-size:12px;
  height:34px;
  display:flex;align-items:center;
  border-bottom:1px solid var(--line-dark);
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;}
.topbar-note{display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-note i{width:6px;height:6px;border-radius:50%;background:var(--orange);display:inline-block;flex:0 0 6px;}
.topbar-links{display:flex;align-items:center;gap:18px;flex:0 0 auto;}
.topbar-links a{color:var(--white-72);font-size:12px;}
.topbar-links a:hover{color:#fff;text-decoration:underline;}

/* ============ 主导航 ============ */
.site-header{position:sticky;top:0;z-index:1030;}
.mainnav{
  background:var(--green-d);
  height:72px;
  display:flex;align-items:center;
  transition:height .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled .mainnav{height:64px;box-shadow:0 10px 26px rgba(18,42,36,.22);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;flex:0 0 32px;border-radius:9px;
  background:linear-gradient(150deg,var(--green-l),var(--green));
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.16);
}
.brand-mark svg{width:18px;height:18px;fill:var(--orange);}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-main{font-size:18px;font-weight:800;color:#F3F7F5;letter-spacing:.02em;}
.brand-sub{font-size:11px;font-weight:600;letter-spacing:.16em;color:var(--orange);}
.nav-links{display:flex;align-items:center;gap:28px;flex:1 1 auto;justify-content:center;}
.nav-links a{
  position:relative;display:inline-block;
  font-size:15px;color:var(--white-72);
  padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;
  background:var(--orange);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-links a:hover{color:#fff;}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:#fff;font-weight:600;}
.nav-links a.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.btn-login{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 24px;border-radius:var(--r-btn);
  background:var(--orange);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 6px 16px rgba(228,103,43,.28);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-login:hover{background:var(--orange-d);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(228,103,43,.34);}
.btn-login:active{transform:none;}
.nav-toggle{
  width:44px;height:44px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  display:none;align-items:center;justify-content:center;cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#F3F7F5;border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:#F3F7F5;border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,42,36,.55);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:1050;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);
  background:var(--green-d);z-index:1060;
  transform:translateX(102%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:20px;
  box-shadow:-16px 0 40px rgba(18,42,36,.28);
}
.drawer.show{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line-dark);}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#F3F7F5;font-size:20px;line-height:1;cursor:pointer;
}
.drawer-nav{margin-top:12px;flex:1 1 auto;overflow-y:auto;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;padding:0 4px;font-size:16px;color:var(--white-72);
  border-bottom:1px solid var(--line-dark);
}
.drawer-nav a::after{content:"›";font-size:20px;color:var(--mist-l);}
.drawer-nav a.active{color:#fff;font-weight:600;}
.drawer-foot{padding-top:16px;}
.drawer-foot .btn-login{width:100%;}

/* ============ 按钮 ============ */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  background:var(--orange);color:#fff;font-size:16px;font-weight:600;
  box-shadow:0 8px 20px rgba(228,103,43,.26);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
  border:1px solid transparent;
}
.btn-main:hover{background:var(--orange-d);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(228,103,43,.32);}
.btn-main:active{transform:none;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  background:transparent;color:var(--green);font-size:16px;font-weight:600;
  border:1px solid var(--green);
  transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:var(--orange-l);border-color:var(--orange);color:var(--orange-d);transform:translateY(-1px);}
.btn-ghost:active{transform:none;}
.btn-small{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 20px;border-radius:var(--r-btn);
  font-size:14px;font-weight:600;color:var(--green);
  border:1px solid var(--green);background:#fff;
  transition:all .2s ease;
}
.btn-small:hover{background:var(--orange-l);border-color:var(--orange);color:var(--orange-d);}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--green-d);}
.text-link:hover{color:var(--orange-d);text-decoration:underline;}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:72px 0 84px;
  background-color:var(--bg);
  background-image:radial-gradient(rgba(30,75,63,.09) 1px,transparent 1px);
  background-size:22px 22px;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.hero-title{font-size:44px;line-height:1.25;font-weight:700;margin-bottom:18px;}
.hero-sub{font-size:17px;line-height:1.8;color:var(--ink2);max-width:520px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 22px;}
.hero-trust li{
  display:flex;align-items:center;gap:8px;
  font-size:14px;color:var(--ink2);
}
.hero-trust li::before{
  content:"";width:18px;height:18px;flex:0 0 18px;border-radius:50%;
  background:var(--orange-l);
  border:1px solid rgba(228,103,43,.35);
  background-image:linear-gradient(var(--orange),var(--orange)),linear-gradient(var(--orange),var(--orange));
  background-repeat:no-repeat;
  background-position:5px 10px,9px 6px;
  background-size:8px 2px,2px 6px;
}
.hero-visual{position:relative;padding-right:8px;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:16px;border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.hero-badge{
  position:absolute;right:-6px;bottom:18px;
  display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:10px 16px;box-shadow:var(--sh-2);max-width:82%;
}
.hero-badge-step{
  font-size:12px;font-weight:600;color:#fff;background:var(--green);
  border-radius:999px;padding:3px 10px;white-space:nowrap;
}
.hero-badge-text{font-size:13px;color:var(--ink2);line-height:1.5;}

/* ============ 三步上手 ============ */
.steps{background:var(--bg);}
.steps-row{display:grid;grid-template-columns:repeat(3,1fr);gap:0;position:relative;}
.step-item{position:relative;padding:0 28px;}
.step-item:first-child{padding-left:0;}
.step-item:last-child{padding-right:0;}
.step-item:not(:last-child)::after{
  content:"";position:absolute;top:22px;right:-10px;width:calc(100% - 84px);
  display:none;
}
.steps-row::before{
  content:"";position:absolute;top:22px;left:44px;right:44px;
  border-top:1px dashed var(--mist-l);z-index:0;
}
.step-num{
  position:relative;z-index:1;
  width:44px;height:44px;border-radius:12px;
  background:var(--soft);color:var(--orange-d);
  font-size:18px;font-weight:800;letter-spacing:.02em;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;border:1px solid var(--line);
}
.step-item h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.step-item p{font-size:14px;line-height:1.7;color:var(--ink2);}

/* ============ 案例证明 ============ */
.proof{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.proof-main{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  box-shadow:var(--sh-1);transition:box-shadow .2s ease,border-color .2s ease;
}
.proof-main:hover{box-shadow:var(--sh-2);border-color:rgba(228,103,43,.45);}
.proof-main-img{width:100%;aspect-ratio:16/8;object-fit:cover;}
.proof-main-body{padding:24px 28px 26px;display:flex;flex-direction:column;flex:1 1 auto;}
.tag{
  display:inline-block;font-size:12px;font-weight:600;
  color:var(--green);background:var(--soft);
  border-radius:999px;padding:4px 12px;margin-bottom:14px;
  border:1px solid var(--line);
}
.tag-orange{color:var(--orange-d);background:var(--orange-l);border-color:rgba(228,103,43,.28);}
.proof-main h3{font-size:22px;line-height:1.45;margin-bottom:14px;}
.proof-list{margin-bottom:22px;}
.proof-list li{
  position:relative;padding-left:18px;font-size:15px;line-height:1.75;
  color:var(--ink2);margin-bottom:8px;
}
.proof-list li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;
  background:var(--orange);opacity:.85;
}
.proof-main-body .text-link{margin-top:auto;}
.stat-card{
  background:var(--green);color:#F3F7F5;
  border-radius:var(--r-card);padding:26px 26px 24px;
  margin-bottom:24px;border:1px solid rgba(255,255,255,.10);
}
.stat-card:last-child{margin-bottom:0;}
.stat-num{font-size:36px;font-weight:800;line-height:1.1;letter-spacing:-.01em;}
.stat-num small{font-size:16px;font-weight:600;margin-left:4px;}
.stat-label{font-size:13px;line-height:1.6;color:var(--white-72);margin-top:8px;}
.proof-strip{
  display:grid;grid-template-columns:repeat(3,1fr);
  margin-top:32px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
}
.proof-strip div{
  padding:20px 24px;font-size:14px;color:var(--ink2);
  display:flex;align-items:center;gap:10px;
}
.proof-strip div + div{border-left:1px solid var(--line);}
.proof-strip strong{color:var(--ink);font-weight:600;}
.proof-strip i{
  width:8px;height:8px;border-radius:2px;background:var(--green-l);
  display:inline-block;flex:0 0 8px;
}

/* ============ 最新信息 ============ */
.news{background:var(--bg);}
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.news-head h2{font-size:32px;line-height:1.3;margin-bottom:10px;}
.news-head p{font-size:16px;color:var(--ink2);}
.post-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
  color:inherit;
}
.post-card:hover{
  border-color:rgba(228,103,43,.45);box-shadow:var(--sh-2);
  transform:translateY(-2px);color:inherit;
}
.post-card:hover .post-title{color:var(--orange-d);}
.post-thumb{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--soft);}
.post-body{padding:18px 20px 16px;display:flex;flex-direction:column;flex:1 1 auto;}
.post-badge{
  align-self:flex-start;font-size:12px;font-weight:600;
  color:var(--orange-d);background:var(--orange-l);
  border-radius:999px;padding:3px 10px;margin-bottom:10px;
}
.post-title{
  font-size:18px;font-weight:600;line-height:1.5;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;min-height:calc(18px * 1.5 * 2);
}
.post-desc{
  font-size:14px;line-height:1.7;color:var(--ink2);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:calc(14px * 1.7 * 2);
}
.post-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink2);
}
.post-foot .arrow{color:var(--orange);font-weight:700;}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;padding:40px 24px;text-align:center;
}
.empty-state svg{width:48px;height:48px;stroke:var(--mist);fill:none;stroke-width:1.6;}
.empty-state p{font-size:15px;color:var(--ink2);}

/* ============ FAQ ============ */
.faq{background:var(--soft);border-top:1px solid var(--line);}
.faq-left h2{font-size:32px;line-height:1.3;margin-bottom:14px;}
.faq-left p{font-size:16px;line-height:1.7;color:var(--ink2);margin-bottom:24px;max-width:340px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item.open{border-color:rgba(228,103,43,.45);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;background:transparent;border:0;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ink);text-align:left;line-height:1.6;
}
.faq-item.open .faq-q{color:var(--orange-d);}
.faq-mark{position:relative;width:16px;height:16px;flex:0 0 16px;}
.faq-mark::before,.faq-mark::after{
  content:"";position:absolute;background:var(--green-l);border-radius:2px;transition:.22s ease;
}
.faq-mark::before{left:0;top:7px;width:16px;height:2px;}
.faq-mark::after{left:7px;top:0;width:2px;height:16px;}
.faq-item.open .faq-mark::before{background:var(--orange);}
.faq-item.open .faq-mark::after{transform:scaleY(0);background:var(--orange);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.faq-a-inner{
  padding:0 20px 18px;font-size:15px;line-height:1.8;color:var(--ink2);
  border-top:1px dashed var(--line);padding-top:14px;margin-top:0;
}

/* ============ CTA 表单 ============ */
.cta{
  background:var(--dark);color:#F3F7F5;
  background-image:radial-gradient(rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:22px 22px;
}
.cta h2{font-size:32px;line-height:1.3;color:#F3F7F5;margin-bottom:16px;}
.cta-lead{font-size:16px;line-height:1.8;color:var(--white-72);margin-bottom:24px;max-width:440px;}
.cta-points li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:15px;line-height:1.7;color:var(--white-72);margin-bottom:12px;
}
.cta-points li::before{
  content:"";width:18px;height:18px;flex:0 0 18px;margin-top:4px;border-radius:50%;
  background:rgba(228,103,43,.22);border:1px solid rgba(228,103,43,.5);
  background-image:linear-gradient(var(--orange),var(--orange)),linear-gradient(var(--orange),var(--orange));
  background-repeat:no-repeat;background-position:5px 9px,8px 6px;background-size:8px 2px,2px 6px;
}
.form-card{
  background:#fff;border-radius:16px;padding:28px;
  box-shadow:0 24px 48px rgba(0,0,0,.28);color:var(--ink);
}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .form-note{font-size:13px;color:var(--ink2);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;color:var(--ink);}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:11px 12px;font-size:15px;color:var(--ink);background:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
  min-height:44px;
}
.field textarea{min-height:88px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(228,103,43,.18);
}
.field input::placeholder,.field textarea::placeholder{color:#9AA8A2;}
.btn-submit{
  width:100%;height:48px;border:0;border-radius:var(--r-btn);
  background:var(--orange);color:#fff;font-size:16px;font-weight:600;cursor:pointer;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-submit:hover{background:var(--orange-d);transform:translateY(-1px);box-shadow:0 10px 22px rgba(228,103,43,.3);}
.btn-submit:active{transform:none;}
.privacy{font-size:13px;line-height:1.6;color:var(--ink2);margin-top:12px;}
.form-msg{font-size:14px;color:var(--green-l);margin-top:10px;display:none;}
.form-msg.show{display:block;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--green-d);color:var(--white-72);
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:22px 22px;
  padding-top:64px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--white-72);max-width:320px;}
.footer-col h4{font-size:14px;font-weight:600;color:#F3F7F5;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--white-72);line-height:1.7;}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-col p{font-size:14px;line-height:1.8;color:var(--white-72);margin-bottom:10px;}
.footer-bottom{
  border-top:1px solid var(--line-dark);
  padding:18px 0 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(243,247,245,.6);
}
.footer-acc{display:none;}

/* 回到顶部 */
#backTop{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:var(--green-d);color:#F3F7F5;border:1px solid rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,background .2s ease;
  z-index:1040;font-size:18px;
}
#backTop.show{opacity:1;visibility:visible;transform:none;}
#backTop:hover{background:var(--green);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-links{gap:20px;}
  .nav-links a{font-size:14px;}
}
@media (max-width:991px){
  :root{--sec:72px;}
  .container{padding-left:20px;padding-right:20px;}
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-actions .btn-login{display:none;}
  .hero{padding:48px 0 56px;}
  .hero-title{font-size:34px;}
  .hero-sub{font-size:16px;margin-bottom:24px;}
  .hero-actions{margin-bottom:26px;}
  .hero-visual{margin-top:8px;padding-right:0;}
  .hero-badge{right:8px;bottom:12px;}
  .sec-head h2,.news-head h2,.faq-left h2,.cta h2{font-size:24px;}
  .steps-row{grid-template-columns:1fr;gap:28px;}
  .steps-row::before{display:none;}
  .step-item{padding:0;display:grid;grid-template-columns:44px 1fr;column-gap:16px;align-items:start;}
  .step-num{grid-row:1 / span 3;margin-bottom:0;}
  .step-item h3{grid-column:2;margin-top:6px;}
  .step-item p{grid-column:2;}
  .proof-strip{grid-template-columns:1fr;}
  .proof-strip div + div{border-left:0;border-top:1px solid var(--line);}
  .cta h2{font-size:26px;}
  .cta-lead{margin-bottom:20px;}
  .form-card{margin-top:32px;padding:22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-acc{display:block;}
  .footer-col h4{position:relative;cursor:pointer;margin-bottom:0;padding:12px 0;border-top:1px solid var(--line-dark);}
  .footer-col h4::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);color:var(--mist-l);font-weight:400;}
  .footer-col.open h4::after{content:"−";}
  .footer-col ul,.footer-col .col-body{max-height:0;overflow:hidden;transition:max-height .25s ease;}
  .footer-col.open ul,.footer-col.open .col-body{max-height:420px;}
  .footer-col ul{padding-top:8px;}
  .footer-col .col-body p:first-child{padding-top:8px;}
}
@media (max-width:767px){
  :root{--sec:56px;}
  body{font-size:16px;}
  .topbar-note{font-size:11px;}
  .hero-title{font-size:30px;}
  .hero-actions{gap:12px;}
  .btn-main,.btn-ghost{height:46px;padding:0 22px;font-size:15px;width:100%;}
  .hero-visual img{aspect-ratio:16/11;}
  .hero-badge{position:static;margin-top:12px;max-width:100%;}
  .proof-main-body{padding:20px;}
  .proof-main h3{font-size:19px;}
  .news-head{align-items:flex-start;}
  .post-card{border-radius:14px;}
  #backTop{right:16px;bottom:16px;}
  .brand-main{font-size:17px;}
}
@media (max-width:519px){
  .hero-title{font-size:27px;}
  .sec-head h2,.news-head h2,.faq-left h2,.cta h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;gap:8px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
}

/* roulang page: article */
:root{
  --ink:#1A2421;
  --ink-2:#5B6B65;
  --ink-3:#8A968F;
  --brand:#1E4B3F;
  --brand-dark:#14332B;
  --brand-light:#2C6455;
  --accent:#E4672B;
  --accent-dark:#C4531F;
  --accent-soft:#FCEBE1;
  --mist:#7E9C93;
  --mist-light:#A9C0B8;
  --bg:#F7F4EE;
  --card:#FFFFFF;
  --soft:#EEF1EA;
  --deep:#122A24;
  --line:#E2DED4;
  --line-strong:#D5D0C4;
  --r-btn:10px;
  --r-card:16px;
  --r-img:12px;
  --r-block:20px;
  --sh-1:0 6px 18px rgba(18,42,36,.07);
  --sh-2:0 14px 32px rgba(18,42,36,.13);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-light);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--accent-dark)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0}
::selection{background:var(--accent-soft);color:var(--accent-dark)}
:focus-visible{outline:3px solid rgba(228,103,43,.4);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin-inline:auto;padding:0 32px}

/* ============ 顶部信息条 ============ */
.site-header{position:sticky;top:0;z-index:1030}
.topbar{background:var(--brand-dark);color:rgba(243,247,245,.76);font-size:12px;line-height:34px;border-bottom:1px solid rgba(255,255,255,.06)}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:18px}
.topbar-note{display:flex;align-items:center;gap:8px;letter-spacing:.01em}
.topbar-note i{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:0 0 auto;box-shadow:0 0 0 3px rgba(228,103,43,.18)}
.topbar-links{display:flex;gap:18px;flex:0 0 auto}
.topbar-links a{color:rgba(243,247,245,.78);font-size:12px;padding:0 2px}
.topbar-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}

/* ============ 主导航 ============ */
.mainnav{
  background:var(--brand);
  height:72px;
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:height .25s ease,box-shadow .25s ease,background-color .25s ease;
}
.mainnav.is-stuck{height:64px;box-shadow:0 10px 26px rgba(18,42,36,.22);background:var(--brand-dark)}
.nav-inner{display:flex;align-items:center;gap:28px;height:100%}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none}
.brand-mark{
  width:32px;height:32px;display:grid;place-items:center;
  background:var(--accent);border-radius:10px;flex:0 0 auto;
  box-shadow:0 4px 12px rgba(228,103,43,.3);
}
.brand-mark svg{width:18px;height:18px;fill:#fff}
.brand-text{display:flex;flex-direction:column;line-height:1.08}
.brand-main{font-size:18px;font-weight:800;color:#fff;letter-spacing:.02em}
.brand-sub{font-size:11px;letter-spacing:.18em;color:rgba(243,247,245,.68);margin-top:2px}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0;flex:1 1 auto}
.nav-links a{
  display:block;padding:9px 13px;font-size:15px;color:rgba(243,247,245,.82);
  border-radius:8px;position:relative;white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-links a.active{color:#fff;font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;
  background:var(--accent);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.btn-login{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 24px;border-radius:var(--r-btn);
  background:var(--accent);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 6px 16px rgba(228,103,43,.26);
  transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-login:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(196,83,31,.32)}
.btn-login:active{transform:none;box-shadow:0 4px 12px rgba(196,83,31,.28)}
.nav-toggle{
  display:none;position:relative;width:44px;height:44px;
  border:1px solid rgba(255,255,255,.22);background:transparent;border-radius:10px;cursor:pointer;
  transition:border-color .2s ease,background-color .2s ease;
}
.nav-toggle:hover{border-color:rgba(255,255,255,.45);background:rgba(255,255,255,.06)}
.nav-toggle span{position:absolute;left:50%;top:50%;width:18px;height:2px;background:#fff;border-radius:2px;transform:translate(-50%,-50%)}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px;transition:transform .2s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ============ 移动端抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,42,36,.52);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:1050;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(330px,86vw);
  background:var(--brand-dark);z-index:1060;display:flex;flex-direction:column;
  padding:18px 18px 22px;transform:translateX(102%);
  transition:transform .28s cubic-bezier(.32,.72,0,1);
  box-shadow:-18px 0 40px rgba(0,0,0,.28);
}
.drawer.open{transform:none}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.12)}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.2);
  background:transparent;color:#fff;font-size:20px;line-height:1;cursor:pointer;
  display:grid;place-items:center;flex:0 0 auto;
}
.drawer-close:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.4)}
.drawer-links{list-style:none;margin:8px 0 0;padding:0;flex:1 1 auto;overflow-y:auto}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;padding:0 6px;font-size:16px;color:rgba(243,247,245,.86);
  border-bottom:1px solid rgba(255,255,255,.1);
}
.drawer-links a:hover{color:#fff;background:rgba(255,255,255,.06)}
.drawer-links a.active{color:#fff;font-weight:600}
.drawer-links a.active::before{
  content:"";width:3px;height:16px;background:var(--accent);border-radius:2px;margin-right:10px;
}
.drawer-links a span{color:rgba(243,247,245,.45);font-size:15px}
.drawer-cta{padding-top:18px}
.drawer-cta .btn-login{width:100%}

/* ============ 页面主体 ============ */
.page-main{padding:36px 0 0}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:7px;
  font-size:13px;color:var(--ink-3);margin-bottom:30px;
}
.crumbs a{color:var(--ink-2)}
.crumbs a:hover{color:var(--accent-dark);text-decoration:underline;text-underline-offset:3px}
.crumbs .sep{color:var(--mist-light);user-select:none}
.crumbs .now{color:var(--ink-2);max-width:34ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-head{max-width:860px}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--accent-soft);color:var(--accent-dark);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  padding:5px 13px;border-radius:999px;
}
.article-head h1{
  font-size:34px;line-height:1.34;font-weight:700;letter-spacing:0;
  margin:18px 0 20px;color:var(--ink);word-break:break-word;
}
.head-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:14px;color:var(--ink-3)}
.head-meta .dot{width:1px;height:12px;background:var(--line-strong);display:inline-block}
.head-rule{height:1px;background:var(--line);margin:28px 0 40px}

.article-wrap{max-width:760px;margin:0 auto}
.article-body{font-size:17px;line-height:1.85;color:var(--ink);word-break:break-word}
.article-body p{margin:0 0 20px}
.article-body h2{
  font-size:22px;font-weight:700;line-height:1.45;margin:42px 0 16px;
  padding-left:15px;position:relative;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.3em;width:4px;height:1.05em;
  background:var(--accent);border-radius:2px;
}
.article-body h3{font-size:18px;font-weight:600;line-height:1.5;margin:30px 0 12px;color:var(--ink)}
.article-body h4{font-size:17px;font-weight:600;margin:24px 0 10px}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:4px;list-style:none}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:6px;height:6px;
  border-radius:50%;background:var(--mist);
}
.article-body ol{counter-reset:cmsli}
.article-body ol li{position:relative;padding-left:26px;margin-bottom:10px;counter-increment:cmsli}
.article-body ol li::before{
  content:counter(cmsli);position:absolute;left:0;top:.28em;
  width:18px;height:18px;border-radius:6px;background:var(--soft);
  color:var(--brand-light);font-size:12px;font-weight:700;line-height:18px;text-align:center;
}
.article-body blockquote{
  margin:26px 0;padding:16px 22px;background:var(--soft);
  border-left:3px solid var(--accent);border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--ink-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:26px auto;height:auto}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px}
.article-body table{
  width:100%;display:block;overflow-x:auto;border-collapse:collapse;
  font-size:15px;margin:24px 0;border-radius:var(--r-img);white-space:nowrap;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--soft);color:var(--brand);font-weight:600}
.article-body a{color:var(--brand-light);text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(228,103,43,.45)}
.article-body a:hover{color:var(--accent-dark);text-decoration-color:var(--accent-dark)}
.article-body pre{background:var(--soft);border-radius:var(--r-img);padding:16px;overflow-x:auto;font-size:14px}
.article-body code{background:var(--soft);border-radius:6px;padding:1px 6px;font-size:14px}

/* 空态 */
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--r-card);
  background:var(--card);padding:56px 24px;text-align:center;
}
.empty-state .empty-icon{font-size:44px;color:var(--mist-light);line-height:1;margin-bottom:16px}
.empty-state .empty-title{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:8px}
.empty-state .empty-sub{font-size:14px;color:var(--ink-3);margin-bottom:22px}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  border:1px solid var(--brand);color:var(--brand);background:transparent;
  font-size:15px;font-weight:600;transition:all .2s ease;
}
.btn-outline:hover{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-dark)}

/* 标签 */
.tagrow{display:flex;flex-wrap:wrap;gap:10px;margin:44px 0 0}
.tagrow a{
  display:inline-block;font-size:13px;padding:6px 15px;border-radius:999px;
  background:var(--soft);color:var(--brand-light);border:1px solid transparent;
  transition:all .2s ease;
}
.tagrow a:hover{background:var(--accent-soft);color:var(--accent-dark);border-color:rgba(228,103,43,.32)}

/* 推荐与返回 */
.section-sub{margin-top:64px}
.section-title-row{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.section-title-row h2{font-size:22px;font-weight:700;color:var(--ink);line-height:1.4}
.section-title-row .more-link{font-size:14px;color:var(--brand-light)}
.section-title-row .more-link:hover{color:var(--accent-dark);text-decoration:underline;text-underline-offset:3px}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rel-card{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:14px;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.rel-card:hover{border-color:rgba(228,103,43,.45);box-shadow:var(--sh-2);transform:translateY(-2px)}
.rel-card:hover h3{color:var(--accent-dark)}
.rel-card .thumb{width:84px;height:64px;border-radius:10px;overflow:hidden;flex:0 0 auto;background:var(--soft)}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover}
.rel-card h3{
  font-size:15px;font-weight:600;line-height:1.45;color:var(--ink);margin:0 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease;
}
.rel-card time{font-size:12px;color:var(--ink-3)}
.back-line{margin-top:32px;display:flex;flex-wrap:wrap;gap:20px;align-items:center;font-size:14px}
.back-line a{color:var(--brand-light)}
.back-line a:hover{color:var(--accent-dark);text-decoration:underline;text-underline-offset:3px}
.back-line .split{width:1px;height:12px;background:var(--line-strong)}

/* 通栏引导 */
.open-strip{margin-top:72px}
.open-inner{
  background:var(--deep);
  background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:22px 22px;
  border-radius:var(--r-block);padding:38px 40px;color:#F3F7F5;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.open-inner h2{font-size:22px;font-weight:700;line-height:1.45;margin-bottom:8px;color:#F3F7F5}
.open-inner p{font-size:14px;color:rgba(243,247,245,.72);max-width:56ch}
.open-inner .btn-login{height:46px;padding:0 26px}

/* 回到顶部 */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:var(--brand-dark);color:#F3F7F5;border:0;cursor:pointer;
  display:grid;place-items:center;z-index:1040;box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,visibility .25s ease,transform .25s ease,background-color .2s ease;
}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--brand-light)}
.to-top svg{width:18px;height:18px;fill:#F3F7F5}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;background:var(--deep);
  background-image:radial-gradient(rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:22px 22px;
  color:rgba(243,247,245,.72);padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.25fr;gap:44px;padding-bottom:48px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(243,247,245,.66);max-width:34ch}
.footer-col h4{font-size:14px;font-weight:600;color:#F3F7F5;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-col ul a{font-size:14px;color:rgba(243,247,245,.72)}
.footer-col ul a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-col .col-body p{font-size:14px;line-height:1.8;color:rgba(243,247,245,.66);margin-bottom:10px}
.footer-col .col-body a{color:rgba(243,247,245,.85);text-decoration:underline;text-underline-offset:3px}
.footer-col .col-body a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px 24px;
  justify-content:space-between;font-size:12px;color:rgba(243,247,245,.58);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .container{padding:0 28px}
  .nav-links a{padding:9px 10px;font-size:14px}
  .article-head h1{font-size:31px}
}
@media (max-width:991.98px){
  .nav-links{display:none}
  .nav-toggle{display:block}
  .mainnav{height:64px}
  .topbar-note{display:none}
  .topbar .container{justify-content:flex-end}
  .article-head h1{font-size:28px}
  .rel-grid{grid-template-columns:1fr;gap:16px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .open-inner{padding:32px 28px}
  .site-footer{margin-top:72px;padding-top:52px}
}
@media (max-width:767.98px){
  .container{padding:0 20px}
  .page-main{padding-top:26px}
  .crumbs{margin-bottom:22px;font-size:12px}
  .crumbs .now{max-width:22ch}
  .article-head h1{font-size:25px;line-height:1.4;margin:14px 0 16px}
  .head-rule{margin:22px 0 28px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:20px;margin-top:34px}
  .article-body h3{font-size:17px}
  .article-body blockquote{padding:14px 16px;font-size:15px}
  .open-inner{flex-direction:column;align-items:flex-start;gap:20px}
  .open-inner .btn-login{width:100%}
  .footer-bottom{flex-direction:column;gap:8px}
  .to-top{right:16px;bottom:16px;width:44px;height:44px}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .article-head h1{font-size:23px}
  .tagrow{margin-top:32px}
  .rel-card .thumb{width:74px;height:58px}
}

/* roulang page: category1 */
:root{
  --ink:#1A2421;
  --ink-2:#5B6B65;
  --ink-3:#8A968F;
  --green:#1E4B3F;
  --green-dark:#14332B;
  --green-soft:#2C6455;
  --orange:#E4672B;
  --orange-dark:#C4531F;
  --orange-soft:#FCEBE1;
  --mist:#7E9C93;
  --mist-soft:#A9C0B8;
  --bg:#F7F4EE;
  --surface:#FFFFFF;
  --surface-2:#EEF1EA;
  --dark:#122A24;
  --line:#E2DED4;
  --line-dash:#D8D3C7;
  --white-72:rgba(243,247,245,.72);
  --white-14:rgba(255,255,255,.14);
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:20px;
  --shadow-1:0 6px 18px rgba(18,42,36,.07);
  --shadow-2:0 14px 32px rgba(18,42,36,.13);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;line-height:1.8;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--green);text-decoration:none;transition:color .2s ease,border-color .2s ease}
a:hover{color:var(--orange-dark)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
.container{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:32px}
.section{padding:96px 0}
.section-sm{padding:72px 0}
.section-head{max-width:760px;margin-bottom:32px}
.section-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--green-soft);background:var(--surface-2);border-radius:999px;padding:5px 14px;margin-bottom:14px}
.section-kicker i{width:6px;height:6px;border-radius:50%;background:var(--orange);display:inline-block}
.section-title{font-size:32px;line-height:1.3;font-weight:700;letter-spacing:0}
.section-desc{margin-top:12px;font-size:16px;line-height:1.7;color:var(--ink-2)}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--green-dark);color:var(--white-72);font-size:12px}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;height:34px}
.topbar-note{display:flex;align-items:center;gap:8px;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-note i{width:6px;height:6px;border-radius:50%;background:var(--orange);flex:none}
.topbar-links{display:flex;gap:18px;flex:none}
.topbar-links a{color:var(--white-72);font-size:12px}
.topbar-links a:hover{color:#fff;text-decoration:underline}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--green);transition:box-shadow .25s ease}
.site-header.scrolled{box-shadow:0 10px 26px rgba(18,42,36,.18)}
.mainnav{background:var(--green);border-bottom:1px solid var(--white-14)}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .25s ease}
.site-header.scrolled .nav-inner{height:64px}
.site-header.scrolled .topbar{display:none}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{width:30px;height:30px;display:grid;place-items:center;flex:none}
.brand-mark svg{width:28px;height:28px;fill:var(--orange)}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-main{font-size:18px;font-weight:800;color:#F3F7F5;letter-spacing:.01em}
.brand-sub{font-size:11px;letter-spacing:.08em;color:var(--white-72);margin-top:3px}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-links a{position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:500;color:var(--white-72)}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--orange);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .2s ease}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:#fff;font-weight:600}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none}
.btn-login{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 24px;border-radius:var(--radius-s);background:var(--orange);color:#fff;font-size:15px;font-weight:600;transition:background .2s ease,transform .2s ease,box-shadow .2s ease}
.btn-login:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(228,103,43,.3)}
.btn-login:active{transform:none}
.btn-login:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(228,103,43,.4)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--white-14);background:transparent;position:relative;cursor:pointer}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{position:absolute;left:50%;width:18px;height:2px;background:#F3F7F5;border-radius:2px;transform:translateX(-50%);transition:.2s ease}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none}
.nav-toggle:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(228,103,43,.4)}

/* ---------- 抽屉 ---------- */
.drawer-overlay{position:fixed;inset:0;background:rgba(18,42,36,.5);opacity:0;visibility:hidden;transition:.25s ease;z-index:1040}
.drawer-overlay.show{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:var(--green-dark);z-index:1050;transform:translateX(100%);transition:transform .28s ease;display:flex;flex-direction:column;padding:20px}
.drawer.show{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--white-14)}
.drawer-close{width:44px;height:44px;border-radius:10px;border:1px solid var(--white-14);background:transparent;color:#F3F7F5;font-size:22px;line-height:1;cursor:pointer}
.drawer-close:hover{background:rgba(255,255,255,.08)}
.drawer-links{margin-top:10px;flex:1;overflow:auto}
.drawer-links a{display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 4px;color:var(--white-72);font-size:15px;border-bottom:1px solid var(--white-14)}
.drawer-links a::after{content:"›";font-size:18px;color:var(--mist-soft)}
.drawer-links a:hover,.drawer-links a.active{color:#fff}
.drawer-cta{width:100%;margin-top:16px}

/* ---------- 面包屑 ---------- */
.crumb{background:var(--bg);border-bottom:1px solid var(--line)}
.crumb-inner{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--ink-2);padding:14px 0}
.crumb-inner a{color:var(--ink-2)}
.crumb-inner a:hover{color:var(--orange-dark)}
.crumb-inner .sep{color:var(--mist-soft)}
.crumb-inner .now{color:var(--green);font-weight:600}

/* ---------- Hero ---------- */
.hero{position:relative;padding:64px 0 76px;background-color:var(--bg);background-image:radial-gradient(circle at 1px 1px, rgba(30,75,63,.09) 1px, transparent 0);background-size:22px 22px}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:var(--orange-soft);color:var(--orange-dark);font-size:13px;font-weight:600;border-radius:999px;padding:6px 14px}
.hero-title{margin-top:18px;font-size:44px;line-height:1.25;font-weight:700;letter-spacing:0}
.hero-title em{font-style:normal;color:var(--green-soft)}
.hero-sub{margin-top:16px;font-size:17px;line-height:1.75;color:var(--ink-2);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-trust{display:grid;grid-template-columns:repeat(4,auto);gap:8px 22px;margin-top:30px;padding-top:24px;border-top:1px solid var(--line)}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);white-space:nowrap}
.hero-trust svg{width:18px;height:18px;fill:none;stroke:var(--green-soft);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-m);border:1px solid var(--line);box-shadow:var(--shadow-1)}
.hero-float{position:absolute;right:-10px;bottom:-20px;display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-2);padding:12px 16px;max-width:calc(100% - 32px)}
.hero-float .num{font-size:24px;font-weight:800;color:var(--green);line-height:1.1}
.hero-float .lbl{font-size:12px;color:var(--ink-2);line-height:1.5}
.hero-float .pill{font-size:12px;font-weight:600;color:var(--orange-dark);background:var(--orange-soft);border-radius:999px;padding:4px 10px;white-space:nowrap}

/* ---------- 按钮 ---------- */
.btn-brand,.btn-outline-brand,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--radius-s);font-size:16px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.btn-brand{background:var(--orange);color:#fff}
.btn-brand:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(228,103,43,.28)}
.btn-brand:active{transform:none}
.btn-brand:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(228,103,43,.35)}
.btn-outline-brand{background:transparent;color:var(--green);border-color:var(--green)}
.btn-outline-brand:hover{background:var(--orange-soft);border-color:var(--orange);color:var(--orange-dark)}
.btn-outline-brand:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(228,103,43,.3)}
.btn-ghost{background:#fff;color:var(--green);border-color:var(--line)}
.btn-ghost:hover{color:var(--orange-dark);border-color:rgba(228,103,43,.45);box-shadow:var(--shadow-1)}
.btn-ghost:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(228,103,43,.3)}

/* ---------- 步骤条 ---------- */
.steps-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);padding:40px 40px 44px;box-shadow:var(--shadow-1)}
.steps{display:grid;grid-template-columns:repeat(3,1fr)}
.step{padding-right:32px;position:relative}
.step + .step{padding-left:32px;padding-right:32px;border-left:1px dashed var(--line-dash)}
.step + .step:last-child{padding-right:0}
.step-num{font-size:44px;line-height:1;font-weight:800;color:var(--orange);letter-spacing:-.02em}
.step h3{margin-top:14px;font-size:18px;font-weight:600}
.step p{margin-top:8px;font-size:15px;color:var(--ink-2);max-width:280px}
.step-note{display:inline-block;margin-top:12px;font-size:13px;color:var(--green-soft);background:var(--surface-2);border-radius:999px;padding:4px 12px}

/* ---------- 清单 ---------- */
.check-list{border-top:1px solid var(--line)}
.check-row{display:flex;gap:18px;align-items:flex-start;padding:24px 0;border-bottom:1px solid var(--line)}
.check-icon{width:42px;height:42px;border-radius:12px;background:var(--surface-2);display:grid;place-items:center;flex:none;color:var(--green)}
.check-icon svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.check-body{flex:1;min-width:0}
.check-body h3{font-size:17px;font-weight:600}
.check-body p{margin-top:6px;font-size:15px;color:var(--ink-2)}
.badge-req,.badge-opt{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:600;flex:none}
.badge-req{background:var(--orange-soft);color:var(--orange-dark)}
.badge-opt{background:var(--surface-2);color:var(--green)}

/* ---------- 表格 ---------- */
.table-wrap{margin-top:36px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden}
.table-scroll{overflow-x:auto}
table.docs{width:100%;min-width:680px;border-collapse:collapse}
table.docs th{background:var(--surface-2);color:var(--green-dark);font-size:14px;font-weight:600;text-align:left;padding:14px 20px;white-space:nowrap}
table.docs td{padding:14px 20px;font-size:15px;color:var(--ink-2);border-top:1px solid var(--line)}
table.docs td:first-child{color:var(--ink);font-weight:600}
.table-cap{font-size:13px;color:var(--ink-3);padding:12px 20px;border-top:1px solid var(--line);background:#FBF9F4}

/* ---------- 卡片网格 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.spot-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.spot-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.spot-card .card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.spot-card h3{font-size:18px;font-weight:600}
.spot-card p{margin-top:8px;font-size:15px;color:var(--ink-2);flex:1}
.spot-card .card-link{margin-top:16px;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--green)}
.spot-card .card-link::after{content:"→";transition:transform .2s ease}
.spot-card:hover{border-color:rgba(228,103,43,.45);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.spot-card:hover h3{color:var(--orange-dark)}
.spot-card:hover .card-link::after{transform:translateX(3px)}
.spot-card:focus-within{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(228,103,43,.22)}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item.open{border-color:rgba(228,103,43,.45);box-shadow:var(--shadow-1)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:18px 22px;background:none;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--ink);cursor:pointer}
.faq-q:hover{color:var(--orange-dark)}
.faq-q:focus-visible{outline:none;box-shadow:inset 0 0 0 2px rgba(228,103,43,.5)}
.faq-item.open .faq-q{color:var(--orange-dark)}
.faq-ic{position:relative;width:18px;height:18px;flex:none}
.faq-ic::before,.faq-ic::after{content:"";position:absolute;background:currentColor;border-radius:2px;transition:transform .22s ease}
.faq-ic::before{top:8px;left:0;width:18px;height:2px}
.faq-ic::after{top:0;left:8px;width:2px;height:18px}
.faq-item.open .faq-ic::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-item.open .faq-a{max-height:400px}
.faq-a-inner{margin:0 22px 20px;padding-top:16px;border-top:1px dashed var(--line);font-size:15px;color:var(--ink-2)}

/* ---------- 深色开通区 ---------- */
.open-section{background:var(--dark);color:#F3F7F5;padding:88px 0}
.open-grid{display:grid;grid-template-columns:1fr 460px;gap:56px;align-items:start}
.open-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--orange);background:rgba(228,103,43,.14);border-radius:999px;padding:6px 14px}
.open-title{margin-top:18px;font-size:36px;line-height:1.3;font-weight:700}
.open-desc{margin-top:14px;font-size:16px;line-height:1.8;color:var(--white-72);max-width:520px}
.open-points{margin-top:26px;display:grid;gap:12px}
.open-points li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:rgba(243,247,245,.86)}
.open-points svg{width:20px;height:20px;flex:none;margin-top:2px;fill:none;stroke:var(--orange);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.form-card{background:#fff;border-radius:var(--radius-m);padding:28px;box-shadow:var(--shadow-2);color:var(--ink)}
.form-card h3{font-size:20px;font-weight:700}
.form-card .form-tip{margin-top:6px;font-size:14px;color:var(--ink-2)}
.field{margin-top:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;height:44px;padding:0 12px;font-size:15px;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:var(--radius-s);transition:border-color .2s ease,box-shadow .2s ease}
.field textarea{height:auto;min-height:92px;padding:10px 12px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(228,103,43,.18)}
.field input::placeholder,.field textarea::placeholder{color:#A7B0AA}
.form-submit{width:100%;height:48px;margin-top:20px;border:0;border-radius:var(--radius-s);background:var(--orange);color:#fff;font-size:16px;font-weight:600;cursor:pointer;transition:background .2s ease,transform .2s ease,box-shadow .2s ease}
.form-submit:hover{background:var(--orange-dark);transform:translateY(-1px);box-shadow:0 12px 24px rgba(228,103,43,.3)}
.form-submit:active{transform:none}
.form-submit:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(228,103,43,.4)}
.privacy-note{margin-top:12px;font-size:13px;line-height:1.6;color:var(--ink-2)}

/* ---------- 通栏 CTA 条 ---------- */
.cta-bar{background:var(--green);color:#F3F7F5;padding:44px 0}
.cta-bar-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-bar h2{font-size:26px;line-height:1.4;font-weight:700}
.cta-bar p{margin-top:6px;font-size:14px;color:var(--white-72)}
.cta-bar .btn-brand{flex:none}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--white-72);padding:64px 0 0;background-image:radial-gradient(circle at 1px 1px, rgba(255,255,255,.07) 1px, transparent 0);background-size:22px 22px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--white-72);max-width:320px}
.footer-col h4{font-size:14px;font-weight:600;color:#F3F7F5;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--white-72)}
.footer-col a:hover{color:#fff;text-decoration:underline}
.col-body p{font-size:14px;line-height:1.8;margin-bottom:10px}
.col-body a{color:#F3F7F5;text-decoration:underline;text-underline-offset:3px}
.col-body a:hover{color:var(--orange)}
.footer-bottom{margin-top:48px;border-top:1px solid var(--white-14);padding:18px 0 22px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12px;color:rgba(243,247,245,.6)}

/* ---------- 回到顶部 ---------- */
.to-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;background:var(--green-dark);color:#F3F7F5;border:1px solid var(--white-14);display:grid;place-items:center;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(8px);transition:.25s ease;z-index:1020}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--green-soft)}
.to-top:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(228,103,43,.45)}
.to-top svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-title{font-size:40px}
  .open-grid{grid-template-columns:1fr 420px;gap:40px}
}
@media (max-width:991px){
  .section{padding:72px 0}
  .section-sm{padding:56px 0}
  .nav-links{display:none}
  .nav-toggle{display:inline-block}
  .nav-inner{height:64px}
  .hero{padding:44px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-title{font-size:34px}
  .hero-sub{max-width:none}
  .hero-media{order:-1}
  .hero-media img{aspect-ratio:16/10}
  .hero-trust{grid-template-columns:repeat(2,1fr);gap:10px 18px}
  .hero-float{right:8px;bottom:8px}
  .steps-panel{padding:28px 24px 32px}
  .steps{grid-template-columns:1fr;gap:0}
  .step{padding:0 0 24px 34px;position:relative}
  .step + .step{padding-left:34px;border-left:0;border-top:0}
  .step::before{content:"";position:absolute;left:8px;top:8px;bottom:0;width:1px;background:var(--line-dash)}
  .step:last-child::before{display:none}
  .step::after{content:"";position:absolute;left:2px;top:8px;width:13px;height:13px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 4px rgba(228,103,43,.14)}
  .step + .step{padding-top:24px}
  .step-num{font-size:32px}
  .card-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .open-section{padding:64px 0}
  .open-grid{grid-template-columns:1fr;gap:32px}
  .open-title{font-size:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-bar h2{font-size:22px}
}
@media (max-width:767px){
  .container{padding-inline:20px}
  .topbar-note{font-size:11px}
  .topbar-links{gap:14px}
  .section-title{font-size:24px}
  .hero-title{font-size:30px}
  .hero-actions .btn-brand,.hero-actions .btn-outline-brand{width:100%}
  .card-grid{grid-template-columns:1fr}
  .check-row{flex-wrap:wrap}
  .check-row .badge-req,.check-row .badge-opt{margin-left:60px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:6px}
  .cta-bar-inner{flex-direction:column;align-items:flex-start}
  .cta-bar .btn-brand{width:100%}
  .open-title{font-size:26px}
  .form-card{padding:22px}
  .faq-q{font-size:15px;padding:16px 18px}
  .faq-a-inner{margin:0 18px 18px}
}
@media (max-width:519px){
  .hero-trust{grid-template-columns:1fr}
  .hero-float{position:static;margin-top:14px;max-width:none;right:auto;bottom:auto}
  .step h3{font-size:17px}
  .to-top{right:16px;bottom:16px;width:44px;height:44px}
}

/* roulang page: category2 */
:root{
  --green:#1E4B3F;--green-d:#14332B;--green-l:#2C6455;
  --orange:#E4672B;--orange-d:#C4531F;--orange-soft:#FCEBE1;
  --mist:#7E9C93;--mist-l:#A9C0B8;
  --paper:#F7F4EE;--card:#FFFFFF;--soft:#EEF1EA;--dark:#122A24;
  --ink:#1A2421;--ink-2:#5B6B65;--line:#E2DED4;
  --white:#F3F7F5;--white-2:rgba(243,247,245,.72);
  --r-btn:10px;--r-card:16px;--r-img:12px;--r-lg:20px;
  --sh:0 6px 18px rgba(18,42,36,.07);--sh-h:0 14px 32px rgba(18,42,36,.13);
  --sp:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:17px;line-height:1.8;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--green-d);text-decoration:none;transition:color .2s ease,border-color .2s ease}
a:hover{color:var(--orange-d)}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:3px solid rgba(228,103,43,.45);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--sp) 0}
.section--soft{background:var(--soft)}
.section-head{max-width:760px;margin-bottom:32px}
.section-head h2{font-size:32px;line-height:1.3;font-weight:700;letter-spacing:0}
.section-head p{margin-top:12px;font-size:16px;line-height:1.7;color:var(--ink-2)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--green-l);text-transform:none}
.eyebrow::before{content:"";width:16px;height:2px;background:var(--orange);border-radius:2px}
.badge-soft{display:inline-block;padding:5px 12px;border-radius:999px;background:var(--orange-soft);color:var(--orange-d);font-size:12px;font-weight:600;letter-spacing:.02em}
.badge-mist{display:inline-block;padding:5px 12px;border-radius:999px;background:#E5EDE9;color:var(--green-l);font-size:12px;font-weight:600}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030}
.topbar{background:var(--green-d);color:var(--white-2);font-size:12px;height:34px;display:flex;align-items:center}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-note{display:flex;align-items:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-note i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--orange);margin-right:8px;flex:none}
.topbar-links{display:flex;gap:18px;flex:none}
.topbar-links a{color:var(--white-2);font-size:12px}
.topbar-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.mainnav{background:var(--green);height:72px;display:flex;align-items:center;transition:height .22s ease,box-shadow .22s ease}
.site-header.is-scrolled .topbar{display:none}
.site-header.is-scrolled .mainnav{height:64px;box-shadow:0 10px 26px rgba(18,42,36,.22)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;width:100%}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;flex:none}
.brand:hover{color:#fff}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;flex:none}
.brand-mark svg{width:26px;height:26px;fill:var(--orange)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-size:18px;font-weight:800;letter-spacing:.02em}
.brand-sub{font-size:11px;letter-spacing:.08em;color:var(--white-2)}
.nav-links{display:flex;align-items:center;gap:26px;margin:0;padding:0}
.nav-links a{position:relative;display:inline-block;padding:8px 0;font-size:15px;color:rgba(243,247,245,.78)}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform .2s ease}
.nav-links a:hover{color:#fff}
.nav-links a.active{color:#fff;font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none}
.btn-login{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 24px;border-radius:var(--r-btn);background:var(--orange);color:#fff;font-size:15px;font-weight:600;border:1px solid transparent;transition:background .2s ease,transform .2s ease,box-shadow .2s ease}
.btn-login:hover{background:var(--orange-d);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(196,83,31,.28)}
.btn-login:active{transform:none;box-shadow:none}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.26);background:transparent;position:relative;flex:none}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{position:absolute;left:50%;width:18px;height:2px;background:#fff;border-radius:2px;transform:translateX(-50%);content:""}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{top:-6px;left:0;transform:none}
.nav-toggle span::after{top:6px;left:0;transform:none}

/* ---------- drawer ---------- */
.drawer{position:fixed;top:0;right:0;bottom:0;width:320px;max-width:86vw;background:var(--green-d);z-index:1080;transform:translateX(100%);transition:transform .28s ease;display:flex;flex-direction:column;padding:20px;overflow-y:auto}
.drawer.open{transform:translateX(0)}
.drawer-mask{position:fixed;inset:0;background:rgba(18,42,36,.5);z-index:1070;opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.14)}
.drawer-close{width:44px;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.26);background:transparent;color:#fff;font-size:20px;line-height:1;display:inline-flex;align-items:center;justify-content:center}
.drawer-close:hover{background:rgba(255,255,255,.1)}
.drawer-links{margin:16px 0 0;padding:0;flex:1}
.drawer-links a{display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 4px;color:rgba(243,247,245,.86);font-size:16px;border-bottom:1px solid rgba(255,255,255,.1)}
.drawer-links a::after{content:"›";font-size:20px;color:var(--mist-l)}
.drawer-links a.active{color:#fff;font-weight:600}
.drawer-cta{width:100%;margin-top:20px}

/* ---------- hero ---------- */
.page-hero{position:relative;padding:40px 0 var(--sp);background:
  radial-gradient(rgba(30,75,63,.09) 1px,transparent 1px) 0 0/22px 22px,
  var(--paper)}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:32px}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--orange-d);text-decoration:underline;text-underline-offset:3px}
.crumb span.sep{color:var(--mist-l)}
.crumb span.now{color:var(--ink)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:48px;align-items:start}
.hero-copy h1{font-size:44px;line-height:1.25;font-weight:700;margin:18px 0 0}
.hero-sub{margin-top:16px;font-size:17px;line-height:1.75;color:var(--ink-2);max-width:36em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.btn-main{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 26px;border-radius:var(--r-btn);background:var(--orange);color:#fff;font-size:16px;font-weight:600;border:1px solid var(--orange);transition:background .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.btn-main:hover{background:var(--orange-d);border-color:var(--orange-d);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(196,83,31,.26)}
.btn-main:active{transform:none;box-shadow:none}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 24px;border-radius:var(--r-btn);background:transparent;color:var(--green-d);font-size:16px;font-weight:600;border:1px solid var(--green);transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease}
.btn-ghost:hover{background:var(--orange-soft);border-color:var(--orange);color:var(--orange-d);transform:translateY(-1px)}
.btn-ghost:active{transform:none}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--green-l);border-bottom:1px solid transparent;padding-bottom:2px}
.text-link:hover{color:var(--orange-d);border-bottom-color:var(--orange)}

/* ---------- numbered list ---------- */
.step-block{margin-top:40px}
.step-block-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.step-block-head h2{font-size:22px;line-height:1.4;font-weight:700}
.step-block-head span{font-size:13px;color:var(--ink-2)}
.step-list{margin:0}
.step-list li{display:grid;grid-template-columns:52px minmax(0,1fr);gap:18px;padding:22px 0;border-bottom:1px solid var(--line)}
.step-num{width:44px;height:44px;border-radius:10px;background:var(--green);color:var(--white);font-size:15px;font-weight:700;display:flex;align-items:center;justify-content:center;letter-spacing:.02em}
.step-list li h3{font-size:18px;line-height:1.5;font-weight:600}
.step-list li p{margin-top:6px;font-size:15px;line-height:1.75;color:var(--ink-2)}

/* ---------- sidebar ---------- */
.side-col{position:sticky;top:88px;display:grid;gap:20px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh)}
.panel h3{font-size:17px;font-weight:700;line-height:1.5}
.panel p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--ink-2)}
.panel .panel-list{margin-top:14px;display:grid;gap:10px}
.panel .panel-list li{position:relative;padding-left:22px;font-size:14px;color:var(--ink-2);line-height:1.7}
.panel .panel-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:var(--mist-l)}
.panel .btn-ghost{width:100%;margin-top:18px}
.panel--tint{background:var(--soft);border-color:#DDE3DA;box-shadow:none}
.stat-stack{display:grid;gap:14px}
.stat{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--orange);border-radius:var(--r-card);padding:18px 20px;box-shadow:var(--sh)}
.stat strong{display:block;font-size:34px;line-height:1.1;font-weight:800;color:var(--green)}
.stat span{display:block;margin-top:6px;font-size:12px;line-height:1.6;color:var(--ink-2)}

/* ---------- condition cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.info-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh);transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.info-card:hover{border-color:rgba(228,103,43,.45);box-shadow:var(--sh-h);transform:translateY(-2px)}
.info-card .card-top{display:flex;align-items:center;gap:12px}
.icon-square{width:38px;height:38px;border-radius:10px;background:var(--orange-soft);color:var(--orange-d);display:flex;align-items:center;justify-content:center;flex:none}
.icon-square svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.info-card h3{font-size:17px;font-weight:600;line-height:1.5}
.info-card p{margin-top:12px;font-size:15px;line-height:1.75;color:var(--ink-2)}
.info-card .fix{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);font-size:14px;line-height:1.7;color:var(--green-l)}
.info-card .fix b{color:var(--green-d);font-weight:600}

/* ---------- media block ---------- */
.media-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:48px;align-items:center}
.media-figure{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh)}
.media-figure img{width:100%;height:100%;object-fit:cover;border-radius:0}
.media-figure figcaption{position:absolute;left:16px;bottom:16px;background:rgba(18,42,36,.82);color:var(--white);font-size:12px;padding:6px 12px;border-radius:999px}
.media-body h2{font-size:32px;line-height:1.3;font-weight:700;margin-top:14px}
.media-body > p{margin-top:14px;font-size:16px;line-height:1.8;color:var(--ink-2)}
.flow{margin-top:26px;display:grid;gap:0}
.flow li{display:grid;grid-template-columns:44px minmax(0,1fr);gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
.flow li:first-child{padding-top:0}
.flow li:last-child{border-bottom:0;padding-bottom:0}
.flow .dot{width:40px;height:40px;border-radius:50%;background:var(--green);color:var(--white);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center}
.flow h3{font-size:16px;font-weight:600;line-height:1.5}
.flow p{margin-top:4px;font-size:14px;line-height:1.7;color:var(--ink-2)}
.media-body .text-link{margin-top:22px}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:48px;align-items:start}
.faq-aside{position:sticky;top:88px}
.faq-aside h2{font-size:32px;line-height:1.3;font-weight:700;margin-top:14px}
.faq-aside p{margin-top:14px;font-size:15px;line-height:1.8;color:var(--ink-2)}
.faq-aside .btn-ghost{margin-top:22px}
.faq-list{display:grid;gap:12px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item.open{border-color:rgba(228,103,43,.4);box-shadow:var(--sh)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;background:transparent;border:0;padding:18px 20px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);line-height:1.55}
.faq-item.open .faq-q{color:var(--orange-d)}
.faq-icon{position:relative;width:20px;height:20px;flex:none}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--green-l);border-radius:2px;transition:transform .22s ease,background .22s ease}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item.open .faq-icon::after{transform:scaleY(0)}
.faq-item.open .faq-icon::before{background:var(--orange)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a-inner{padding:0 20px 20px;border-top:1px dashed var(--line);margin-top:0;padding-top:14px}
.faq-a-inner p{font-size:15px;line-height:1.8;color:var(--ink-2)}
.faq-a-inner p + p{margin-top:10px}

/* ---------- cta band ---------- */
.cta-band{background:var(--dark);color:var(--white);padding:64px 0}
.cta-band .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px}
.cta-band h2{font-size:30px;line-height:1.35;font-weight:700}
.cta-band p{margin-top:10px;font-size:15px;line-height:1.75;color:var(--white-2);max-width:44em}
.cta-band .btn-main{flex:none}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:var(--white-2);padding:64px 0 0;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(243,247,245,.66);max-width:30em}
.footer-col h4{font-size:14px;font-weight:600;color:var(--white);margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--white-2)}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-col .col-body p{font-size:14px;line-height:1.8;color:rgba(243,247,245,.66);margin-bottom:10px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.14);padding:18px 0 22px;font-size:12px;color:rgba(243,247,245,.6)}

/* ---------- back to top ---------- */
.to-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;background:var(--green-d);color:var(--white);border:1px solid rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;z-index:1050;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s ease,transform .25s ease,visibility .25s ease,background .2s ease}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--green-l)}
.to-top svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  :root{--sp:80px}
}
@media (max-width:991.98px){
  :root{--sp:72px}
  .container{padding:0 24px}
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn-login{display:none}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .side-col{position:static;order:2}
  .hero-copy h1{font-size:34px}
  .media-grid{grid-template-columns:1fr;gap:32px}
  .media-body h2,.section-head h2,.faq-aside h2{font-size:26px}
  .faq-grid{grid-template-columns:1fr;gap:28px}
  .faq-aside{position:static}
  .cta-band .cta-inner{flex-direction:column;align-items:flex-start;gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .stat strong{font-size:30px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  :root{--sp:56px}
  .container{padding:0 20px}
  .topbar-note{font-size:11px}
  .hero-copy h1{font-size:30px;line-height:1.3}
  .hero-sub{font-size:16px}
  .card-grid{grid-template-columns:1fr}
  .btn-main,.btn-ghost{width:100%}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .step-list li{grid-template-columns:44px minmax(0,1fr);gap:14px;padding:18px 0}
  .step-num{width:38px;height:38px;font-size:14px}
  .step-list li h3{font-size:16px}
  .cta-band h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .to-top{right:16px;bottom:16px}
}

/* roulang page: category3 */
:root{
  --green:#1E4B3F;
  --green-dark:#14332B;
  --green-light:#2C6455;
  --orange:#E4672B;
  --orange-dark:#C4531F;
  --orange-soft:#FCEBE1;
  --mist:#7E9C93;
  --mist-light:#A9C0B8;
  --bg:#F7F4EE;
  --surface:#FFFFFF;
  --surface-soft:#EEF1EA;
  --dark:#122A24;
  --text:#1A2421;
  --text-2:#5B6B65;
  --text-inv:#F3F7F5;
  --text-inv-2:rgba(243,247,245,.72);
  --border:#E2DED4;
  --border-inv:rgba(255,255,255,.14);
  --radius-btn:10px;
  --radius-card:16px;
  --radius-img:12px;
  --radius-lg:20px;
  --shadow-sm:0 6px 18px rgba(18,42,36,.07);
  --shadow-md:0 14px 32px rgba(18,42,36,.13);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--green-dark);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--orange-dark);}
button{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;color:var(--text);font-weight:700;letter-spacing:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section-soft{background:var(--surface-soft);}
.section-head{margin-bottom:32px;}
.section-head .eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.08em;
  color:var(--orange-dark);background:var(--orange-soft);border-radius:999px;
  padding:5px 12px;margin-bottom:14px;line-height:1.4;
}
.section-head h2{font-size:32px;line-height:1.3;margin-bottom:12px;}
.section-head p{font-size:16px;line-height:1.7;color:var(--text-2);max-width:720px;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1000;}
.topbar{background:var(--green-dark);color:var(--text-inv-2);font-size:12px;height:34px;display:flex;align-items:center;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-note{display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-note i{width:6px;height:6px;border-radius:50%;background:var(--orange);display:inline-block;flex:0 0 6px;}
.topbar-links{display:flex;gap:20px;flex:0 0 auto;}
.topbar-links a{color:var(--text-inv-2);font-size:12px;}
.topbar-links a:hover{color:#fff;text-decoration:underline;}
.mainnav{background:var(--green);height:72px;transition:height .25s ease,box-shadow .25s ease;position:relative;}
.site-header.scrolled .mainnav{height:64px;box-shadow:0 10px 26px rgba(18,42,36,.22);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:100%;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;flex:0 0 30px;}
.brand-mark svg{width:100%;height:100%;fill:var(--orange);}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-main{color:#fff;font-size:18px;font-weight:800;letter-spacing:.02em;}
.brand-sub{color:var(--mist-light);font-size:11px;letter-spacing:.28em;font-weight:600;margin-top:3px;}
.nav-links{display:flex;align-items:center;gap:6px;margin:0;padding:0;list-style:none;}
.nav-links>li>a{
  display:block;padding:8px 12px;font-size:15px;color:rgba(243,247,245,.8);
  border-radius:8px;border-bottom:2px solid transparent;line-height:1.5;
}
.nav-links>li>a:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav-links>li>a.active{color:#fff;font-weight:600;border-bottom-color:var(--orange);border-radius:8px 8px 0 0;}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.btn-login{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 24px;border-radius:var(--radius-btn);
  background:var(--orange);color:#fff;font-size:15px;font-weight:600;
  border:1px solid var(--orange);transition:all .2s ease;
}
.btn-login:hover{background:var(--orange-dark);border-color:var(--orange-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(196,83,31,.32);}
.btn-login:active{transform:none;box-shadow:none;}
.btn-login:focus-visible{outline:3px solid rgba(228,103,43,.4);outline-offset:2px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--border-inv);
  background:rgba(255,255,255,.06);position:relative;cursor:pointer;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;transform:translateX(-50%);
  width:20px;height:2px;background:#fff;border-radius:2px;content:"";display:block;
}
.nav-toggle span{top:21px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,42,36,.5);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:1200;
}
.drawer-open .drawer-mask{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;width:320px;max-width:86vw;height:100%;
  background:var(--green-dark);z-index:1300;display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .28s ease;padding:20px;
}
.drawer-open .nav-drawer{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--border-inv);}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--border-inv);
  background:rgba(255,255,255,.06);color:#fff;font-size:22px;line-height:1;cursor:pointer;flex:0 0 44px;
}
.drawer-close:hover{background:rgba(255,255,255,.14);}
.drawer-links{margin:16px 0 0;padding:0;list-style:none;flex:1 1 auto;overflow-y:auto;}
.drawer-links li a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 4px;color:rgba(243,247,245,.82);font-size:16px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer-links li a:hover{color:#fff;}
.drawer-links li a em{font-style:normal;color:var(--mist-light);}
.drawer-links li a.active{color:#fff;font-weight:600;}
.drawer-cta{width:100%;margin-top:20px;}

/* ---------- breadcrumb ---------- */
.crumb{font-size:13px;color:var(--text-2);padding:22px 0 0;line-height:1.6;}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--orange-dark);text-decoration:underline;}
.crumb span.sep{margin:0 8px;color:var(--mist);}
.crumb strong{font-weight:600;color:var(--green-dark);}

/* ---------- hero ---------- */
.hero{
  position:relative;
  background-color:var(--bg);
  background-image:radial-gradient(rgba(30,75,63,.09) 1px,transparent 1px);
  background-size:22px 22px;
  padding:26px 0 118px;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(228,103,43,.12),rgba(228,103,43,0) 70%);pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:860px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;background:var(--orange-soft);color:var(--orange-dark);
  font-size:12px;font-weight:600;border-radius:999px;padding:6px 14px;margin-bottom:20px;
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--orange);display:inline-block;}
.hero h1{font-size:44px;line-height:1.25;margin-bottom:16px;}
.hero h1 em{font-style:normal;color:var(--green-light);}
.hero .lede{font-size:17px;line-height:1.75;color:var(--text-2);max-width:660px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.btn-primary-solid{
  display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 28px;
  border-radius:var(--radius-btn);background:var(--orange);color:#fff;font-size:16px;font-weight:600;
  border:1px solid var(--orange);transition:all .2s ease;
}
.btn-primary-solid:hover{background:var(--orange-dark);border-color:var(--orange-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(196,83,31,.3);}
.btn-primary-solid:active{transform:none;box-shadow:none;}
.btn-primary-solid:focus-visible{outline:3px solid rgba(228,103,43,.4);outline-offset:2px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 26px;
  border-radius:var(--radius-btn);background:transparent;color:var(--green);font-size:16px;font-weight:600;
  border:1px solid var(--green);transition:all .2s ease;
}
.btn-ghost:hover{background:var(--orange-soft);border-color:var(--orange);color:var(--orange-dark);}
.btn-ghost:focus-visible{outline:3px solid rgba(228,103,43,.35);outline-offset:2px;}
.hero-points{display:flex;flex-wrap:wrap;gap:12px 30px;}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2);}
.hero-points svg{width:18px;height:18px;flex:0 0 18px;stroke:var(--green-light);fill:none;stroke-width:1.8;}

/* ---------- version bar ---------- */
.version-wrap{position:relative;z-index:3;margin-top:-70px;}
.version-bar{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);display:grid;grid-template-columns:repeat(3,1fr);overflow:hidden;
}
.v-item{padding:26px 30px;position:relative;}
.v-item+.v-item{border-left:1px solid var(--border);}
.v-item .v-label{font-size:13px;color:var(--text-2);margin-bottom:6px;}
.v-item .v-value{font-size:26px;font-weight:800;color:var(--green-dark);line-height:1.25;letter-spacing:.01em;}
.v-item .v-value small{font-size:14px;font-weight:600;color:var(--mist);margin-left:4px;}
.v-item .v-note{font-size:13px;color:var(--text-2);margin-top:6px;}

/* ---------- cards 2x2 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.info-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:32px;transition:all .2s ease;display:flex;flex-direction:column;
}
.info-card:hover{border-color:rgba(228,103,43,.45);box-shadow:var(--shadow-md);transform:translateY(-2px);}
.info-card:hover h3{color:var(--orange-dark);}
.card-icon{
  width:52px;height:52px;border-radius:12px;background:var(--orange-soft);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.card-icon svg{width:28px;height:28px;stroke:var(--orange-dark);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.info-card h3{font-size:22px;line-height:1.4;margin-bottom:10px;transition:color .2s ease;}
.info-card .card-sub{font-size:14px;color:var(--text-2);margin-bottom:16px;}
.card-list{margin:0 0 20px;padding:0;list-style:none;}
.card-list li{position:relative;padding-left:18px;font-size:15px;line-height:1.7;color:var(--text-2);margin-bottom:8px;}
.card-list li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;
  background:var(--mist-light);
}
.card-link{margin-top:auto;font-size:15px;font-weight:600;color:var(--green);display:inline-flex;align-items:center;gap:6px;border-bottom:1px solid transparent;align-self:flex-start;}
.card-link:hover{color:var(--orange-dark);border-bottom-color:var(--orange);}
.card-link .arrow{transition:transform .2s ease;}
.card-link:hover .arrow{transform:translateX(3px);}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;position:relative;}
.step{padding:0 28px;position:relative;}
.step:first-child{padding-left:0;}
.step:last-child{padding-right:0;}
.step+.step::before{
  content:"";position:absolute;left:0;top:22px;width:1px;height:calc(100% - 12px);
  border-left:1px dashed var(--mist-light);
}
.step-no{
  width:44px;height:44px;border-radius:10px;background:var(--green);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;
  margin-bottom:18px;letter-spacing:.04em;
}
.step h3{font-size:18px;line-height:1.45;margin-bottom:10px;}
.step p{font-size:15px;line-height:1.75;color:var(--text-2);}

/* ---------- split with image ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split-body h2{font-size:32px;line-height:1.3;margin-bottom:16px;}
.split-body p{font-size:16px;line-height:1.85;color:var(--text-2);margin-bottom:14px;}
.check-list{margin:20px 0 24px;padding:0;list-style:none;}
.check-list li{display:flex;gap:10px;font-size:15px;line-height:1.7;color:var(--text);margin-bottom:12px;}
.check-list svg{width:20px;height:20px;flex:0 0 20px;margin-top:2px;stroke:var(--green-light);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.split-media{position:relative;}
.split-media img{width:100%;border-radius:var(--radius-img);border:1px solid var(--border);box-shadow:var(--shadow-sm);}
.media-tag{
  position:absolute;left:16px;bottom:16px;background:rgba(255,255,255,.94);
  border:1px solid var(--border);border-radius:999px;padding:6px 14px;font-size:12px;
  font-weight:600;color:var(--green-dark);backdrop-filter:blur(4px);
}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);margin-top:32px;border-top:1px solid var(--border);}
.stat{padding:24px 20px 0 0;}
.stat+.stat{padding-left:24px;border-left:1px solid var(--border);}
.stat b{display:block;font-size:32px;font-weight:800;color:var(--green-dark);line-height:1.2;}
.stat span{display:block;font-size:13px;color:var(--text-2);margin-top:4px;}

/* ---------- faq ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start;}
.faq-side h2{font-size:32px;line-height:1.3;margin-bottom:14px;}
.faq-side p{font-size:15px;line-height:1.8;color:var(--text-2);margin-bottom:22px;}
.faq-side .btn-ghost{height:44px;padding:0 22px;font-size:15px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item:hover{border-color:rgba(228,103,43,.4);}
.faq-item.open{border-color:rgba(228,103,43,.5);box-shadow:var(--shadow-sm);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-item.open .faq-q{color:var(--orange-dark);}
.faq-ic{position:relative;width:22px;height:22px;flex:0 0 22px;}
.faq-ic::before,.faq-ic::after{content:"";position:absolute;background:var(--green);border-radius:2px;transition:transform .2s ease,background-color .2s ease;}
.faq-ic::before{left:0;top:10px;width:22px;height:2px;}
.faq-ic::after{left:10px;top:0;width:2px;height:22px;}
.faq-item.open .faq-ic::after{transform:scaleY(0);}
.faq-item.open .faq-ic::before{background:var(--orange-dark);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--text-2);border-top:1px dashed var(--border);padding-top:16px;margin-top:2px;}

/* ---------- cta ---------- */
.cta-band{
  position:relative;background:var(--dark);border-radius:var(--radius-lg);overflow:hidden;
  padding:56px 56px;display:flex;align-items:center;justify-content:space-between;gap:40px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.18;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(228,103,43,.22),rgba(228,103,43,0) 70%);
}
.cta-text{position:relative;z-index:2;}
.cta-text h2{color:var(--text-inv);font-size:32px;line-height:1.35;margin-bottom:12px;}
.cta-text p{color:var(--text-inv-2);font-size:15px;line-height:1.75;max-width:560px;}
.cta-actions{position:relative;z-index:2;flex:0 0 auto;}
.cta-actions .btn-primary-solid{height:52px;padding:0 34px;font-size:16px;}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:var(--text-inv-2);padding:72px 0 0;margin-top:96px;position:relative;}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(243,247,245,.08) 1px,transparent 1px);
  background-size:22px 22px;pointer-events:none;
}
.site-footer .container{position:relative;z-index:2;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:52px;}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--text-inv-2);max-width:320px;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text-inv);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:var(--text-inv-2);}
.footer-col ul li a:hover{color:#fff;text-decoration:underline;}
.footer-col .col-body p{font-size:14px;line-height:1.8;color:var(--text-inv-2);margin-bottom:10px;}
.footer-col .col-body a{color:var(--orange);font-size:14px;}
.footer-col .col-body a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid var(--border-inv);padding:20px 0;display:flex;
  justify-content:space-between;gap:16px;font-size:12px;color:rgba(243,247,245,.6);
}
.back-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:var(--green-dark);color:#fff;border:1px solid var(--border-inv);
  display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:900;
  opacity:0;visibility:hidden;transform:translateY(10px);transition:all .25s ease;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{background:var(--orange);border-color:var(--orange);}
.back-top svg{width:20px;height:20px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 28px;}
  .hero h1{font-size:38px;}
  .nav-links>li>a{padding:8px 9px;font-size:14px;}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .nav-toggle{display:block;}
  .nav-actions .btn-login{display:none;}
  .mainnav{height:64px;}
  .section{padding:72px 0;}
  .hero{padding:20px 0 104px;}
  .hero h1{font-size:32px;}
  .version-bar{grid-template-columns:1fr;}
  .v-item+.v-item{border-left:0;border-top:1px solid var(--border);}
  .card-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;gap:28px;}
  .step{padding:0;}
  .step+.step::before{display:none;}
  .split{grid-template-columns:1fr;gap:32px;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;gap:24px;}
  .cta-text h2{font-size:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .stat-row{grid-template-columns:1fr;}
  .stat{padding:20px 0 0;}
  .stat+.stat{padding-left:0;border-left:0;border-top:1px solid var(--border);}
  .section-head h2,.split-body h2,.faq-side h2{font-size:26px;}
}
@media (max-width:575px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .topbar-note{font-size:11px;}
  .hero h1{font-size:28px;}
  .hero .lede{font-size:16px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions a{width:100%;}
  .hero-points{gap:10px 18px;}
  .v-item{padding:20px 22px;}
  .info-card{padding:24px;}
  .section{padding:56px 0;}
  .site-footer{margin-top:56px;padding-top:52px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-band{padding:32px 22px;}
  .cta-actions .btn-primary-solid{width:100%;}
  .faq-q{padding:16px 18px;font-size:15px;}
  .faq-a-inner{padding:14px 18px 18px;}
  .back-top{right:16px;bottom:16px;}
}

/* roulang page: category4 */
:root{
  --brand:#1E4B3F;
  --brand-d:#14332B;
  --brand-l:#2C6455;
  --accent:#E4672B;
  --accent-d:#C4531F;
  --accent-soft:#FCEBE1;
  --mist:#7E9C93;
  --mist-l:#A9C0B8;
  --bg:#F7F4EE;
  --surface:#FFFFFF;
  --surface-alt:#EEF1EA;
  --dark:#122A24;
  --dark-deep:#0E211C;
  --ink:#1A2421;
  --ink2:#5B6B65;
  --inv:#F3F7F5;
  --inv2:rgba(243,247,245,.72);
  --line:#E2DED4;
  --line-d:rgba(255,255,255,.14);
  --ok:#2F7D5D;
  --warn:#C77B22;
  --err:#B4462F;
  --r-btn:10px;
  --r-card:16px;
  --r-img:12px;
  --r-lg:20px;
  --sh:0 6px 18px rgba(18,42,36,.07);
  --sh-h:0 14px 32px rgba(18,42,36,.13);
  --ease:200ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--accent-d)}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,h5,p,figure{margin:0}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
}
.container{
  width:100%;
  max-width:1200px;
  margin-left:auto;
  margin-right:auto;
  padding-left:32px;
  padding-right:32px;
}
@media (max-width:767px){
  .container{padding-left:20px;padding-right:20px}
}

/* ============ 顶部信息条 ============ */
.topbar{
  background:var(--dark-deep);
  color:var(--inv2);
  font-size:12px;
  height:34px;
  display:flex;
  align-items:center;
}
.topbar .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.topbar-note{
  display:flex;
  align-items:center;
  gap:8px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  min-width:0;
}
.topbar-note i{
  width:6px;height:6px;border-radius:50%;
  background:var(--accent);
  flex:none;
  display:inline-block;
}
.topbar-links{display:flex;align-items:center;gap:18px;flex:none}
.topbar-links a{color:rgba(243,247,245,.78);font-size:12px}
.topbar-links a:hover{color:#fff;text-decoration:underline}
@media (max-width:575px){
  .topbar-note{font-size:11px}
}

/* ============ 主导航 ============ */
.site-header{position:relative;z-index:1000}
.mainnav{
  background:var(--dark);
  position:sticky;
  top:0;
  z-index:1000;
  transition:box-shadow var(--ease),background var(--ease);
}
.mainnav.is-scrolled{
  box-shadow:0 10px 26px rgba(10,26,22,.28);
  background:#0F241F;
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:72px;
  transition:height var(--ease);
}
.mainnav.is-scrolled .nav-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand:hover{color:inherit}
.brand-mark{display:inline-flex;flex:none}
.brand-mark svg{width:28px;height:28px;fill:var(--accent);display:block}
.brand-text{display:flex;flex-direction:column;line-height:1.08}
.brand-main{font-size:18px;font-weight:800;color:#fff;letter-spacing:.02em}
.brand-sub{font-size:11px;font-weight:600;letter-spacing:.08em;color:var(--mist-l)}
.nav-links{
  display:flex;
  align-items:center;
  gap:2px;
  flex:1;
  justify-content:center;
  min-width:0;
}
.nav-links a{
  position:relative;
  display:block;
  padding:8px 12px;
  font-size:15px;
  color:rgba(243,247,245,.8);
  border-radius:8px;
  white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-links a.active{color:#fff;font-weight:600}
.nav-links a.active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:-4px;
  height:2px;
  background:var(--accent);
  border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none}
.btn-login{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 24px;
  border-radius:var(--r-btn);
  background:var(--accent);
  color:#fff;
  font-size:15px;
  font-weight:600;
  box-shadow:0 6px 16px rgba(228,103,43,.24);
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-login:hover{
  background:var(--accent-d);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 10px 22px rgba(196,83,31,.3);
}
.btn-login:active{transform:none;box-shadow:0 4px 10px rgba(196,83,31,.24)}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line-d);
  border-radius:10px;
  background:rgba(255,255,255,.05);
  position:relative;
  cursor:pointer;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;
  left:50%;
  width:18px;height:2px;
  background:#fff;
  border-radius:2px;
  transform:translateX(-50%);
  content:"";
  transition:transform var(--ease),opacity var(--ease);
}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{top:-6px;left:0;transform:none}
.nav-toggle span::after{top:6px;left:0;transform:none}

/* 抽屉 */
.drawer-backdrop{
  position:fixed;inset:0;
  background:rgba(10,26,22,.55);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:1100;
}
.drawer-backdrop.show{opacity:1;visibility:visible}
.drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:min(340px,86vw);
  background:var(--brand-d);
  z-index:1200;
  transform:translateX(102%);
  transition:transform .28s ease;
  display:flex;
  flex-direction:column;
  padding:20px 20px 24px;
  overflow-y:auto;
}
.drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}
.drawer-close{
  width:44px;height:44px;
  border:1px solid var(--line-d);
  background:rgba(255,255,255,.06);
  border-radius:10px;
  color:#fff;
  font-size:20px;
  line-height:1;
  cursor:pointer;
  display:grid;place-items:center;
}
.drawer-close:hover{background:rgba(255,255,255,.14)}
.drawer-links{margin-top:12px}
.drawer-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:52px;
  padding:0 4px;
  font-size:15px;
  color:var(--inv);
  border-bottom:1px solid var(--line-d);
}
.drawer-links a::after{content:"›";color:var(--mist-l);font-size:18px;line-height:1}
.drawer-links a.active{color:var(--accent);font-weight:600}
.drawer-cta{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:center;
  width:100%;
  height:48px;
  border-radius:var(--r-btn);
  background:var(--accent);
  color:#fff;
  font-weight:600;
  margin-top:28px;
}
.drawer-cta:hover{background:var(--accent-d);color:#fff}
body.no-scroll{overflow:hidden}

@media (max-width:991px){
  .nav-links{display:none}
  .nav-toggle{display:block}
  .nav-actions .btn-login{display:none}
  .nav-inner{height:64px}
  .mainnav.is-scrolled .nav-inner{height:60px}
}

/* ============ 面包屑 ============ */
.crumb{
  background:var(--surface-alt);
  border-bottom:1px solid var(--line);
  font-size:13px;
}
.crumb .container{
  display:flex;
  align-items:center;
  gap:8px;
  min-height:48px;
  color:var(--ink2);
  flex-wrap:wrap;
  padding-top:8px;
  padding-bottom:8px;
}
.crumb a{color:var(--ink2)}
.crumb a:hover{color:var(--accent-d);text-decoration:underline}
.crumb .sep{color:var(--mist-l)}
.crumb .cur{color:var(--ink);font-weight:600}

/* ============ 页头 ============ */
.page-hero{
  background:
    radial-gradient(circle at 1px 1px, rgba(30,75,63,.10) 1px, transparent 1.6px) 0 0/22px 22px,
    var(--bg);
  padding:56px 0 44px;
  border-bottom:1px solid var(--line);
}
.eyebrow-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:28px;
  padding:0 12px;
  border-radius:999px;
  background:var(--accent-soft);
  color:var(--accent-d);
  font-size:12px;
  font-weight:600;
}
.eyebrow-badge b{font-weight:800}
.page-hero h1{
  font-size:44px;
  line-height:1.25;
  font-weight:700;
  letter-spacing:0;
  margin:16px 0 16px;
  max-width:24ch;
}
.hero-lead{
  font-size:17px;
  line-height:1.8;
  color:var(--ink2);
  max-width:64ch;
}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:36px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--brand-d);
  font-size:14px;
  font-weight:600;
  box-shadow:0 2px 6px rgba(18,42,36,.04);
  transition:border-color var(--ease),color var(--ease),background var(--ease),transform var(--ease);
}
.chip:hover{
  border-color:var(--accent);
  background:var(--accent-soft);
  color:var(--accent-d);
  transform:translateY(-1px);
}
.chip .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none}

/* ============ 问答主区 ============ */
.section{padding:88px 0}
.section-tight{padding:56px 0}
.section-head{max-width:64ch;margin-bottom:32px}
.section-head h2{
  font-size:32px;
  line-height:1.3;
  font-weight:700;
  margin-bottom:12px;
}
.section-head p{font-size:16px;line-height:1.7;color:var(--ink2)}

.faq-layout{
  display:grid;
  grid-template-columns:320px minmax(0,1fr);
  gap:40px;
  align-items:start;
}
.side-card{
  position:sticky;
  top:96px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px 22px;
  box-shadow:var(--sh);
}
.side-card > h3{
  font-size:18px;
  font-weight:700;
  margin-bottom:4px;
}
.side-card .side-sub{
  font-size:13px;
  color:var(--ink2);
  line-height:1.6;
  margin-bottom:18px;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}
.side-group + .side-group{margin-top:20px}
.side-group h4{
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--mist);
  margin-bottom:8px;
}
.side-list a{
  display:flex;
  gap:10px;
  padding:9px 0;
  font-size:14px;
  line-height:1.55;
  color:var(--ink2);
  border-bottom:1px dashed var(--line);
}
.side-list li:last-child a{border-bottom:none}
.side-list a:hover{color:var(--accent-d)}
.side-list .num{
  flex:none;
  width:22px;
  font-size:12px;
  font-weight:800;
  color:var(--mist-l);
  font-variant-numeric:tabular-nums;
  padding-top:1px;
}
.side-foot{
  margin-top:20px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--ink2);
  line-height:1.7;
}
.side-foot a{color:var(--brand);font-weight:600;text-decoration:underline;text-decoration-color:rgba(228,103,43,.5)}
.side-foot a:hover{color:var(--accent-d)}

.faq-group-title{
  display:flex;
  align-items:center;
  gap:14px;
  font-size:14px;
  font-weight:700;
  color:var(--brand);
  margin:0 0 16px;
}
.faq-group-title::after{
  content:"";
  flex:1;
  height:1px;
  background:var(--line);
}
.faq-group-title + .faq-acc{margin-bottom:0}
.faq-acc{margin:0}
.faq-acc + .faq-group-title{margin-top:40px}

.faq-acc{
  --bs-accordion-border-color:var(--line);
  --bs-accordion-border-radius:12px;
  --bs-accordion-inner-border-radius:12px;
  --bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-active-bg:transparent;
  --bs-accordion-active-color:var(--accent-d);
  --bs-accordion-btn-padding-y:0;
  --bs-accordion-btn-padding-x:0;
  --bs-accordion-body-padding-y:0;
  --bs-accordion-body-padding-x:0;
}
.faq-acc .accordion-item{
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--surface);
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:0 2px 8px rgba(18,42,36,.04);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-acc .accordion-item:hover{
  border-color:rgba(228,103,43,.42);
  box-shadow:var(--sh);
}
.faq-acc .accordion-header{margin:0}
.faq-acc .accordion-button{
  position:relative;
  display:block;
  width:100%;
  text-align:left;
  font-size:16px;
  font-weight:600;
  line-height:1.55;
  color:var(--ink);
  background:var(--surface);
  border:0;
  border-radius:12px;
  padding:18px 60px 18px 20px;
  box-shadow:none;
  transition:background var(--ease),color var(--ease);
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--accent-d);
  background:var(--accent-soft);
  box-shadow:none;
}
.faq-acc .accordion-button:hover{color:var(--brand-d)}
.faq-acc .accordion-button:not(.collapsed):hover{color:var(--accent-d)}
.faq-acc .accordion-button:focus{
  box-shadow:0 0 0 3px rgba(228,103,43,.24);
  outline:none;
  z-index:2;
}
.faq-acc .accordion-button::after{
  content:"+";
  position:absolute;
  right:16px;
  top:50%;
  transform:translateY(-50%);
  width:26px;
  height:26px;
  display:grid;
  place-items:center;
  background-image:none;
  background:transparent;
  border:1px solid var(--line);
  border-radius:50%;
  color:var(--brand);
  font-size:17px;
  font-weight:700;
  line-height:1;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.faq-acc .accordion-button:not(.collapsed)::after{
  content:"−";
  background:var(--accent);
  border-color:var(--accent);
  color:#fff;
}
.faq-acc .accordion-body{
  padding:16px 20px 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink2);
  border-top:1px dashed var(--line);
  background:var(--surface);
}
.faq-acc .accordion-body strong{color:var(--ink);font-weight:600}

/* ============ 补充说明 ============ */
.notes{
  background:var(--surface-alt);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:80px 0;
}
.notes-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:56px;
  align-items:center;
}
.notes-figure{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--surface);
  box-shadow:var(--sh);
}
.notes-figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.notes h2{
  font-size:30px;
  line-height:1.3;
  font-weight:700;
  margin-bottom:14px;
}
.notes-list{margin-top:18px}
.notes-list li{
  position:relative;
  padding-left:20px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink2);
  margin-bottom:10px;
}
.notes-list li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--accent);
}
.notes-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:22px;
  font-size:15px;
  font-weight:600;
  color:var(--brand);
  border-bottom:1px solid rgba(228,103,43,.55);
  padding-bottom:2px;
}
.notes-link:hover{color:var(--accent-d)}

/* ============ 提示条 ============ */
.trust-strip{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--surface);
  overflow:hidden;
}
.trust-item{
  display:flex;
  gap:14px;
  padding:22px 24px;
  border-right:1px solid var(--line);
}
.trust-item:last-child{border-right:none}
.trust-icon{
  flex:none;
  width:36px;height:36px;
  border-radius:10px;
  background:var(--surface-alt);
  display:grid;place-items:center;
  color:var(--brand-l);
}
.trust-icon svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.trust-item h3{font-size:15px;font-weight:600;margin-bottom:4px}
.trust-item p{font-size:13px;line-height:1.65;color:var(--ink2)}

/* ============ CTA ============ */
.cta-band{
  background:
    radial-gradient(circle at 1px 1px, rgba(255,255,255,.09) 1px, transparent 1.6px) 0 0/22px 22px,
    var(--dark);
  color:var(--inv);
  padding:56px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{
  font-size:28px;
  line-height:1.35;
  font-weight:700;
  color:#fff;
  max-width:30ch;
}
.cta-inner p{
  margin-top:10px;
  font-size:15px;
  color:var(--inv2);
  max-width:52ch;
  line-height:1.7;
}
.btn-accent{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:48px;
  padding:0 30px;
  border-radius:var(--r-btn);
  background:var(--accent);
  color:#fff;
  font-size:16px;
  font-weight:600;
  flex:none;
  box-shadow:0 8px 20px rgba(228,103,43,.26);
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-accent:hover{
  background:var(--accent-d);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 12px 26px rgba(196,83,31,.32);
}
.btn-accent:active{transform:none}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:var(--inv);
  padding:64px 0 0;
  position:relative;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(circle at 1px 1px, rgba(255,255,255,.06) 1px, transparent 1.6px) 0 0/24px 24px;
  pointer-events:none;
}
.site-footer .container{position:relative}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.8;
  color:var(--inv2);
  max-width:36ch;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px}
.footer-col a{
  font-size:14px;
  color:var(--inv2);
}
.footer-col a:hover{color:#fff;text-decoration:underline}
.col-body p{
  font-size:14px;
  line-height:1.8;
  color:var(--inv2);
  margin-bottom:10px;
}
.col-body p a{color:#fff;text-decoration:underline;text-decoration-color:rgba(228,103,43,.6)}
.footer-bottom{
  border-top:1px solid var(--line-d);
  padding:20px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12px;
  color:rgba(243,247,245,.6);
}

/* ============ 回到顶部 ============ */
#toTop{
  position:fixed;
  right:24px;
  bottom:24px;
  width:48px;height:48px;
  border-radius:50%;
  border:none;
  background:var(--brand-d);
  color:#fff;
  display:grid;
  place-items:center;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,background var(--ease);
  z-index:900;
  box-shadow:var(--sh-h);
}
#toTop.show{opacity:1;visibility:visible;transform:none}
#toTop:hover{background:var(--brand)}
#toTop svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .faq-layout{grid-template-columns:280px minmax(0,1fr);gap:32px}
  .page-hero h1{font-size:38px}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .notes{padding:64px 0}
  .faq-layout{grid-template-columns:minmax(0,1fr);gap:28px}
  .side-card{position:static}
  .notes-grid{grid-template-columns:minmax(0,1fr);gap:32px}
  .notes-figure{order:-1}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .trust-strip{grid-template-columns:1fr}
  .trust-item{border-right:none;border-bottom:1px solid var(--line)}
  .trust-item:last-child{border-bottom:none}
  .page-hero{padding:44px 0 36px}
  .page-hero h1{font-size:32px;max-width:none}
  .section-head h2{font-size:26px}
  .notes h2{font-size:24px}
  .cta-inner h2{font-size:24px}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .page-hero{padding:36px 0 32px}
  .page-hero h1{font-size:28px;line-height:1.32}
  .hero-lead{font-size:15px}
  .section-head h2{font-size:23px}
  .cta-band{padding:44px 0}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:22px}
  .btn-accent{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .faq-acc .accordion-button{font-size:15px;padding:16px 54px 16px 16px}
  .faq-acc .accordion-body{padding:14px 16px 18px}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr}
  .topbar-note{max-width:58%}
  .page-hero h1{font-size:26px}
  .side-card{padding:20px 18px}
}

/* roulang page: category5 */
:root{
      --brand:#1E4B3F;
      --brand-dark:#14332B;
      --brand-light:#2C6455;
      --accent:#E4672B;
      --accent-hover:#C4531F;
      --accent-soft:#FCEBE1;
      --mist:#7E9C93;
      --mist-light:#A9C0B8;
      --bg:#F7F4EE;
      --surface:#FFFFFF;
      --surface-alt:#EEF1EA;
      --dark:#122A24;
      --text:#1A2421;
      --text-muted:#5B6B65;
      --text-invert:#F3F7F5;
      --text-invert-muted:rgba(243,247,245,.72);
      --border:#E2DED4;
      --border-dark:rgba(255,255,255,.14);
      --radius-btn:10px;
      --radius-card:16px;
      --radius-img:12px;
      --radius-block:20px;
      --shadow-soft:0 6px 18px rgba(18,42,36,.07);
      --shadow-hover:0 14px 32px rgba(18,42,36,.13);
      --space:96px;
    }

    *,*::before,*::after{box-sizing:border-box;}
    html{-webkit-text-size-adjust:100%;}
    body{
      margin:0;
      font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      background:var(--bg);
      color:var(--text);
      font-size:17px;
      line-height:1.8;
      -webkit-font-smoothing:antialiased;
    }
    img{max-width:100%;display:block;}
    a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
    a:hover{color:var(--accent-hover);}
    button,input,select,textarea{font:inherit;}
    h1,h2,h3,h4,p,ul,ol{margin:0;}
    ul,ol{padding:0;list-style:none;}
    :focus-visible{outline:3px solid rgba(228,103,43,.35);outline-offset:2px;border-radius:4px;}

    .container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

    /* ---------- 顶部信息条 ---------- */
    .topbar{
      background:var(--dark);
      color:var(--text-invert-muted);
      font-size:12px;
      line-height:34px;
      border-bottom:1px solid var(--border-dark);
    }
    .topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
    .topbar-note{display:flex;align-items:center;gap:8px;}
    .topbar-note i{
      width:6px;height:6px;border-radius:50%;
      background:var(--accent);display:inline-block;flex:none;
    }
    .topbar-links{display:flex;align-items:center;gap:18px;}
    .topbar-links a{color:var(--text-invert-muted);font-size:12px;}
    .topbar-links a:hover{color:#fff;text-decoration:underline;}

    /* ---------- 主导航 ---------- */
    .site-header{position:sticky;top:0;z-index:1030;}
    .mainnav{
      background:var(--brand-dark);
      color:var(--text-invert);
      transition:box-shadow .25s ease;
    }
    .nav-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height .25s ease;}
    .brand{display:inline-flex;align-items:center;gap:10px;color:var(--text-invert);flex:none;}
    .brand:hover{color:#fff;}
    .brand-mark{
      width:34px;height:34px;border-radius:10px;
      background:rgba(228,103,43,.15);
      display:inline-flex;align-items:center;justify-content:center;flex:none;
    }
    .brand-mark svg{width:22px;height:22px;fill:var(--accent);}
    .brand-text{display:flex;flex-direction:column;line-height:1.15;}
    .brand-main{font-size:18px;font-weight:800;letter-spacing:.02em;}
    .brand-sub{font-size:11px;letter-spacing:.08em;color:var(--text-invert-muted);}
    .nav-links{display:flex;align-items:center;gap:6px;margin:0;flex:1 1 auto;}
    .nav-links > li{flex:none;}
    .nav-links a{
      display:block;
      padding:8px 12px;
      font-size:15px;
      color:var(--text-invert-muted);
      border-radius:8px;
      border-bottom:2px solid transparent;
      transition:color .2s ease,background .2s ease,border-color .2s ease;
    }
    .nav-links a:hover{color:#fff;background:rgba(255,255,255,.06);}
    .nav-links a.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600;}
    .nav-actions{display:flex;align-items:center;gap:12px;flex:none;}
    .btn-login{
      display:inline-flex;align-items:center;justify-content:center;
      height:44px;padding:0 24px;
      background:var(--accent);color:#fff;
      border-radius:var(--radius-btn);
      font-size:15px;font-weight:600;
      border:1px solid transparent;
      transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
    }
    .btn-login:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(228,103,43,.28);}
    .nav-toggle{
      display:none;
      width:44px;height:44px;
      border:1px solid var(--border-dark);
      background:transparent;border-radius:10px;
      position:relative;cursor:pointer;
    }
    .nav-toggle span,
    .nav-toggle span::before,
    .nav-toggle span::after{
      position:absolute;left:50%;top:50%;
      width:20px;height:2px;background:var(--text-invert);
      content:"";transform:translate(-50%,-50%);
      border-radius:2px;transition:transform .2s ease;
    }
    .nav-toggle span::before{transform:translate(-50%,-7px);}
    .nav-toggle span::after{transform:translate(-50%,7px);}
    .site-header.scrolled .nav-inner{height:64px;}
    .site-header.scrolled .mainnav{box-shadow:0 10px 26px rgba(18,42,36,.22);}

    /* ---------- 移动端抽屉 ---------- */
    .drawer{position:fixed;inset:0;z-index:1080;visibility:hidden;pointer-events:none;}
    .drawer-mask{position:absolute;inset:0;background:rgba(18,42,36,.5);opacity:0;transition:opacity .25s ease;}
    .drawer-panel{
      position:absolute;top:0;right:0;bottom:0;width:min(340px,86vw);
      background:var(--brand-dark);color:var(--text-invert);
      padding:20px;
      display:flex;flex-direction:column;gap:20px;
      transform:translateX(100%);
      transition:transform .28s ease;
      overflow-y:auto;
    }
    .drawer.open{visibility:visible;pointer-events:auto;}
    .drawer.open .drawer-mask{opacity:1;}
    .drawer.open .drawer-panel{transform:translateX(0);}
    .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
    .drawer-close{
      width:44px;height:44px;flex:none;
      border:1px solid var(--border-dark);background:transparent;
      border-radius:10px;color:var(--text-invert);cursor:pointer;font-size:20px;line-height:1;
    }
    .drawer-close:hover{background:rgba(255,255,255,.08);}
    .drawer-links{display:flex;flex-direction:column;margin:0;}
    .drawer-links a{
      display:flex;align-items:center;justify-content:space-between;
      height:52px;padding:0 4px;
      color:var(--text-invert-muted);
      border-bottom:1px solid var(--border-dark);
      font-size:15px;
    }
    .drawer-links a::after{content:"›";font-size:20px;color:var(--mist-light);}
    .drawer-links a.active{color:var(--accent);font-weight:600;}
    .drawer-foot{margin-top:auto;}
    .drawer-foot .btn-login{width:100%;}

    /* ---------- 面包屑 ---------- */
    .crumbs{background:var(--bg);border-bottom:1px solid var(--border);}
    .crumbs .container{
      display:flex;align-items:center;gap:8px;flex-wrap:wrap;
      font-size:13px;color:var(--text-muted);line-height:52px;
    }
    .crumbs a{color:var(--text-muted);}
    .crumbs a:hover{color:var(--accent-hover);text-decoration:underline;}
    .crumbs .sep{color:var(--mist-light);}
    .crumbs .current{color:var(--text);font-weight:600;}

    /* ---------- 首屏 ---------- */
    .hero-coop{
      background:var(--dark);
      background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);
      background-size:22px 22px;
      color:var(--text-invert);
      padding:64px 0 72px;
    }
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      height:28px;padding:0 12px;
      background:var(--accent-soft);color:var(--accent-hover);
      border-radius:999px;font-size:12px;font-weight:600;
      letter-spacing:.02em;
    }
    .hero-coop .eyebrow{background:rgba(228,103,43,.18);color:#F7B189;}
    .hero-title{
      font-size:44px;line-height:1.25;font-weight:700;
      margin:20px 0 0;color:#fff;letter-spacing:0;
    }
    .hero-lead{
      margin-top:18px;font-size:16px;line-height:1.7;
      color:var(--text-invert-muted);max-width:30em;
    }
    .hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;
      height:48px;padding:0 24px;
      border-radius:var(--radius-btn);
      font-size:15px;font-weight:600;
      border:1px solid transparent;
      transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
      cursor:pointer;
    }
    .btn-accent{background:var(--accent);color:#fff;}
    .btn-accent:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(228,103,43,.3);}
    .btn-outline{background:transparent;color:var(--brand);border-color:var(--brand);}
    .btn-outline:hover{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-hover);}
    .btn-outline-light{background:transparent;color:var(--text-invert);border-color:rgba(255,255,255,.42);}
    .btn-outline-light:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff;}
    .btn-block{width:100%;}
    .hero-figure{
      border-radius:var(--radius-img);
      overflow:hidden;
      border:1px solid rgba(255,255,255,.16);
      box-shadow:0 18px 40px rgba(0,0,0,.28);
    }
    .hero-figure img{width:100%;height:340px;object-fit:cover;}
    .hero-stats{
      display:grid;grid-template-columns:repeat(3,1fr);
      background:var(--surface);
      border-radius:var(--radius-card);
      box-shadow:var(--shadow-soft);
      margin-top:44px;
      overflow:hidden;
    }
    .hero-stat{padding:22px 24px;border-left:1px dashed var(--border);}
    .hero-stat:first-child{border-left:0;}
    .hero-stat b{display:block;font-size:26px;line-height:1.3;color:var(--brand);font-weight:800;}
    .hero-stat span{display:block;font-size:13px;color:var(--text-muted);margin-top:4px;}

    /* ---------- 通用板块 ---------- */
    .section{padding:var(--space) 0;}
    .section-alt{background:var(--surface-alt);}
    .section-head{max-width:720px;}
    .section-head h2{font-size:32px;line-height:1.3;font-weight:700;color:var(--text);}
    .section-head p{margin-top:14px;font-size:16px;line-height:1.7;color:var(--text-muted);}
    .section-label{
      display:inline-block;font-size:12px;font-weight:600;color:var(--brand-light);
      background:rgba(126,156,147,.16);
      padding:4px 12px;border-radius:999px;margin-bottom:14px;
    }

    /* ---------- 图文交替 ---------- */
    .split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
    .split-media{
      border-radius:var(--radius-img);
      overflow:hidden;
      border:1px solid var(--border);
      box-shadow:var(--shadow-soft);
    }
    .split-media img{width:100%;height:380px;object-fit:cover;}
    .split.reverse .split-media{order:2;}
    .split-body h2{font-size:30px;line-height:1.35;font-weight:700;}
    .split-body > p{margin-top:14px;color:var(--text-muted);font-size:16px;line-height:1.75;}
    .check-list{margin-top:26px;display:flex;flex-direction:column;gap:18px;}
    .check-list li{display:flex;gap:14px;align-items:flex-start;}
    .check-num{
      flex:none;width:34px;height:34px;border-radius:10px;
      background:var(--brand);color:#fff;
      font-size:13px;font-weight:700;
      display:inline-flex;align-items:center;justify-content:center;
      letter-spacing:.02em;
    }
    .check-list h3{font-size:16px;font-weight:600;line-height:1.5;}
    .check-list p{font-size:14px;line-height:1.7;color:var(--text-muted);margin-top:4px;}
    .inline-link{
      display:inline-flex;align-items:center;gap:6px;
      margin-top:26px;font-size:15px;font-weight:600;color:var(--brand);
      border-bottom:1px solid transparent;padding-bottom:2px;
    }
    .inline-link:hover{color:var(--accent-hover);border-bottom-color:var(--accent);}

    .who-list{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
    .who-list li{
      background:var(--surface);
      border:1px solid var(--border);
      border-radius:var(--radius-card);
      padding:18px 20px;
      transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
    }
    .who-list li:hover{border-color:rgba(228,103,43,.45);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
    .who-list h3{font-size:16px;font-weight:600;}
    .who-list p{font-size:14px;line-height:1.7;color:var(--text-muted);margin-top:4px;}

    /* ---------- 合作类型卡 ---------- */
    .type-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px;}
    .type-card{
      background:var(--surface);
      border:1px solid var(--border);
      border-radius:var(--radius-card);
      padding:30px 26px;
      display:flex;flex-direction:column;
      box-shadow:var(--shadow-soft);
      transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
    }
    .type-card:hover{border-color:rgba(228,103,43,.45);box-shadow:var(--shadow-hover);transform:translateY(-3px);}
    .type-icon{
      width:46px;height:46px;border-radius:12px;
      background:var(--accent-soft);color:var(--accent-hover);
      display:inline-flex;align-items:center;justify-content:center;
      font-size:18px;font-weight:800;margin-bottom:18px;
    }
    .type-card h3{font-size:20px;font-weight:600;line-height:1.4;}
    .type-card p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--text-muted);}
    .type-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
    .tag{
      display:inline-flex;align-items:center;
      height:26px;padding:0 12px;border-radius:999px;
      background:var(--accent-soft);color:var(--accent-hover);
      font-size:12px;font-weight:600;
    }
    .tag-soft{background:rgba(126,156,147,.18);color:var(--brand-light);}
    .type-card .type-foot{margin-top:auto;padding-top:20px;border-top:1px dashed var(--border);font-size:13px;color:var(--text-muted);}
    .type-card .type-foot b{color:var(--brand);font-weight:700;}

    /* ---------- 表单区 ---------- */
    .coop-form-section{background:var(--brand-dark);color:var(--text-invert);}
    .coop-form-wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
    .coop-form-copy h2{font-size:32px;line-height:1.35;font-weight:700;color:#fff;}
    .coop-form-copy > p{margin-top:16px;font-size:16px;line-height:1.75;color:var(--text-invert-muted);}
    .tick-list{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
    .tick-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text-invert-muted);}
    .tick-list li::before{
      content:"";flex:none;width:18px;height:18px;margin-top:4px;
      border-radius:50%;
      background:rgba(228,103,43,.22);
      box-shadow:inset 0 0 0 1px rgba(228,103,43,.55);
      background-image:linear-gradient(45deg,transparent 45%,#F7B189 45%,#F7B189 55%,transparent 55%);
    }
    .form-card{
      background:var(--surface);
      color:var(--text);
      border-radius:var(--radius-card);
      padding:32px;
      box-shadow:0 18px 40px rgba(0,0,0,.22);
    }
    .form-card h3{font-size:20px;font-weight:700;}
    .form-card .form-hint{font-size:13px;color:var(--text-muted);margin-top:8px;line-height:1.7;}
    .field{margin-top:18px;}
    .field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;}
    .field .control{
      width:100%;height:44px;padding:0 12px;
      border:1px solid var(--border);border-radius:var(--radius-btn);
      background:#fff;color:var(--text);
      transition:border-color .2s ease,box-shadow .2s ease;
    }
    .field textarea.control{height:auto;padding:12px;min-height:96px;resize:vertical;line-height:1.6;}
    .field .control:focus{
      outline:none;border-color:var(--accent);
      box-shadow:0 0 0 3px rgba(228,103,43,.18);
    }
    .field select.control{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--brand) 50%),linear-gradient(135deg,var(--brand) 50%,transparent 50%);background-position:calc(100% - 20px) 19px,calc(100% - 14px) 19px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
    .form-card .btn-submit{
      width:100%;height:48px;margin-top:22px;
      background:var(--accent);color:#fff;border:0;border-radius:var(--radius-btn);
      font-size:16px;font-weight:600;cursor:pointer;
      transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
    }
    .form-card .btn-submit:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 12px 26px rgba(228,103,43,.28);}
    .form-privacy{font-size:13px;line-height:1.7;color:var(--text-muted);margin-top:14px;}
    .form-feedback{
      display:none;margin-top:14px;font-size:14px;line-height:1.7;
      background:rgba(47,125,93,.1);color:#2F7D5D;
      border:1px solid rgba(47,125,93,.3);
      border-radius:var(--radius-btn);padding:10px 12px;
    }
    .form-feedback.show{display:block;}

    /* ---------- 信任徽章 ---------- */
    .trust-section{padding:56px 0;}
    .trust-row{display:grid;grid-template-columns:repeat(3,1fr);gap:0;}
    .trust-item{
      display:flex;align-items:center;gap:14px;
      padding:6px 28px;
      border-left:1px solid var(--border);
    }
    .trust-item:first-child{border-left:0;padding-left:0;}
    .trust-icon{
      width:44px;height:44px;flex:none;border-radius:12px;
      background:rgba(126,156,147,.18);color:var(--brand);
      display:inline-flex;align-items:center;justify-content:center;
      font-size:18px;font-weight:800;
    }
    .trust-item b{display:block;font-size:15px;font-weight:600;}
    .trust-item span{display:block;font-size:13px;color:var(--text-muted);margin-top:2px;}

    /* ---------- FAQ ---------- */
    .faq-wrap{max-width:820px;margin:44px auto 0;}
    .faq-item{
      background:var(--surface);
      border:1px solid var(--border);
      border-radius:var(--radius-img);
      margin-bottom:12px;
      overflow:hidden;
      transition:border-color .2s ease,box-shadow .2s ease;
    }
    .faq-item:hover{border-color:rgba(228,103,43,.4);box-shadow:var(--shadow-soft);}
    .faq-q{
      width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
      padding:18px 22px;background:transparent;border:0;cursor:pointer;
      font-size:16px;font-weight:600;color:var(--text);text-align:left;line-height:1.6;
    }
    .faq-q:hover{color:var(--accent-hover);}
    .faq-item.open .faq-q{color:var(--accent-hover);}
    .faq-sign{position:relative;width:18px;height:18px;flex:none;}
    .faq-sign::before,.faq-sign::after{
      content:"";position:absolute;left:50%;top:50%;
      width:14px;height:2px;background:currentColor;border-radius:2px;
      transform:translate(-50%,-50%);transition:transform .22s ease;
    }
    .faq-sign::after{transform:translate(-50%,-50%) rotate(90deg);}
    .faq-item.open .faq-sign::after{transform:translate(-50%,-50%) rotate(0);}
    .faq-a{
      max-height:0;overflow:hidden;
      transition:max-height .25s ease;
      background:#FBFAF6;
    }
    .faq-item.open .faq-a{max-height:420px;}
    .faq-a-inner{
      padding:16px 22px 20px;
      font-size:15px;line-height:1.8;color:var(--text-muted);
      border-top:1px dashed var(--border);
    }

    /* ---------- 通栏 CTA ---------- */
    .cta-band{background:var(--surface-alt);padding:0 0 var(--space);}
    .cta-inner{
      background:var(--brand);
      border-radius:var(--radius-block);
      padding:44px 48px;
      display:flex;align-items:center;justify-content:space-between;gap:32px;
      color:var(--text-invert);
      flex-wrap:wrap;
    }
    .cta-inner h2{font-size:26px;line-height:1.4;font-weight:700;color:#fff;}
    .cta-inner p{margin-top:8px;font-size:15px;color:var(--text-invert-muted);}

    /* ---------- 页脚 ---------- */
    .site-footer{
      background:var(--dark);
      color:var(--text-invert-muted);
      padding:64px 0 0;
      background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);
      background-size:22px 22px;
    }
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
    .footer-brand .brand{margin-bottom:18px;}
    .footer-brand p{font-size:14px;line-height:1.8;color:var(--text-invert-muted);max-width:26em;}
    .footer-col h4{font-size:14px;font-weight:600;color:var(--text-invert);margin-bottom:16px;}
    .footer-col ul{display:flex;flex-direction:column;gap:10px;}
    .footer-col a{font-size:14px;color:var(--text-invert-muted);}
    .footer-col a:hover{color:#fff;text-decoration:underline;}
    .col-body p{font-size:14px;line-height:1.8;color:var(--text-invert-muted);margin-bottom:10px;}
    .footer-bottom{
      margin-top:48px;
      border-top:1px solid var(--border-dark);
      padding:20px 0 24px;
      display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
      font-size:12px;color:rgba(243,247,245,.56);
    }

    /* ---------- 回到顶部 ---------- */
    .to-top{
      position:fixed;right:24px;bottom:24px;
      width:48px;height:48px;border-radius:50%;
      background:var(--brand-dark);color:var(--text-invert);
      border:1px solid rgba(255,255,255,.16);
      display:inline-flex;align-items:center;justify-content:center;
      font-size:18px;cursor:pointer;
      opacity:0;visibility:hidden;transform:translateY(10px);
      transition:opacity .25s ease,transform .25s ease,background .2s ease;
      z-index:1020;
    }
    .to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
    .to-top:hover{background:var(--brand-light);}

    /* ---------- 响应式 ---------- */
    @media (max-width:1199.98px){
      .container{padding:0 28px;}
      .hero-title{font-size:38px;}
      .nav-links a{padding:8px 9px;font-size:14px;}
    }
    @media (max-width:991.98px){
      :root{--space:72px;}
      .nav-links{display:none;}
      .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
      .nav-actions .btn-login{display:none;}
      .hero-grid{grid-template-columns:1fr;gap:36px;}
      .hero-title{font-size:34px;}
      .hero-figure img{height:280px;}
      .hero-stats{grid-template-columns:1fr;margin-top:32px;}
      .hero-stat{border-left:0;border-top:1px dashed var(--border);padding:18px 22px;}
      .hero-stat:first-child{border-top:0;}
      .split{grid-template-columns:1fr;gap:32px;}
      .split.reverse .split-media{order:0;}
      .split-media img{height:300px;}
      .type-grid{grid-template-columns:1fr 1fr;gap:20px;}
      .coop-form-wrap{grid-template-columns:1fr;gap:36px;}
      .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
      .trust-row{grid-template-columns:1fr;gap:18px;}
      .trust-item{border-left:0;padding:0;}
      .cta-inner{padding:32px 28px;}
    }
    @media (max-width:767.98px){
      .topbar .container{justify-content:center;}
      .topbar-note{font-size:11px;}
      .topbar-links{display:none;}
      .section-head h2,.coop-form-copy h2{font-size:24px;}
      .split-body h2{font-size:24px;}
      .type-grid{grid-template-columns:1fr;}
      .form-card{padding:24px;}
      .footer-grid{grid-template-columns:1fr;gap:28px;}
      .footer-bottom{flex-direction:column;align-items:flex-start;}
    }
    @media (max-width:575.98px){
      :root{--space:56px;}
      .container{padding:0 20px;}
      .hero-coop{padding:44px 0 52px;}
      .hero-title{font-size:28px;}
      .hero-lead{font-size:15px;}
      .btn{width:100%;}
      .hero-btns{flex-direction:column;}
      .hero-figure img{height:220px;}
      .split-media img{height:220px;}
      .cta-inner h2{font-size:22px;}
      .trust-item b{font-size:14px;}
    }