/* roulang page: index */
:root{
  --brand:#0E4F45;
  --brand-2:#1FA98C;
  --accent:#FF6A4D;
  --accent-soft:#FFE7E1;
  --mint:#BFE9DD;
  --ink:#12211D;
  --ink-2:#4A5C56;
  --ink-3:#7C8C86;
  --bg:#F4F7F5;
  --surface:#FFFFFF;
  --line:#E2EAE6;
  --grad-brand:linear-gradient(125deg,#0E4F45 0%,#1FA98C 100%);
  --grad-warm:linear-gradient(120deg,#FF6A4D 0%,#FFA07A 100%);
  --r-xl:32px;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(14,79,69,.08);
  --sh-2:0 18px 48px rgba(14,79,69,.14);
  --sh-3:0 2px 8px rgba(14,79,69,.06);
  --ease:.28s cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--accent);}
button{font-family:inherit;}
h1,h2,h3,h4,h5{font-weight:700;letter-spacing:-.01em;line-height:1.25;color:var(--ink);margin:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 顶部提示条 ---------- */
.topbar{background:var(--brand);color:#fff;font-size:13px;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px;}
.topbar-text{display:flex;align-items:center;gap:8px;opacity:.94;}
.topbar-text i{color:var(--mint);}
.topbar-link{color:#fff;font-size:13px;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.topbar-link:hover{color:var(--accent-soft);}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1000;padding:16px 0 0;transition:padding var(--ease);}
.nav-shell{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:12px 18px;
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  transition:box-shadow var(--ease),background var(--ease);
}
.brand{display:flex;align-items:center;gap:12px;min-width:0;}
.brand-mark{
  width:44px;height:44px;flex:0 0 44px;border-radius:var(--r-sm);
  background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;letter-spacing:.02em;
  box-shadow:var(--sh-3);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0;}
.brand-main{font-size:16px;font-weight:700;color:var(--ink);white-space:nowrap;}
.brand-sub{font-size:12px;font-weight:500;color:var(--ink-2);white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-item{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 14px;border-radius:var(--r-md);
  font-size:14px;color:var(--ink-2);background:transparent;
  transition:background var(--ease),color var(--ease);
  white-space:nowrap;
}
.nav-item i{font-size:15px;opacity:.85;}
.nav-item:hover,.nav-item:focus-visible{background:var(--accent-soft);color:var(--brand);}
.nav-item.active{background:var(--brand);color:#fff;box-shadow:var(--sh-3);}
.nav-item.active i{opacity:1;}
.nav-cta{display:flex;align-items:center;gap:10px;}
.btn-cta{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent);color:#fff;
  border:none;border-radius:var(--r-pill);
  padding:12px 22px;font-size:14px;font-weight:600;
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
  white-space:nowrap;
}
.btn-cta:hover{color:#fff;filter:brightness(1.05);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-sm);
  background:var(--bg);border:1px solid var(--line);color:var(--brand);
  align-items:center;justify-content:center;font-size:16px;
  transition:background var(--ease),color var(--ease);
}
.nav-toggle:hover{background:var(--mint);}
.mobile-panel{
  display:none;margin-top:12px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);padding:20px;
}
.mobile-panel.show{display:block;animation:panelIn .22s ease;}
@keyframes panelIn{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:translateY(0);}}
.mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.mobile-card{
  display:flex;flex-direction:column;gap:6px;padding:14px;
  border-radius:var(--r-md);background:var(--bg);border:1px solid var(--line);
  font-size:14px;color:var(--ink);
}
.mobile-card i{color:var(--brand-2);font-size:16px;}
.mobile-card:hover{background:var(--accent-soft);border-color:var(--accent-soft);}
.mobile-card.active{background:var(--brand);color:#fff;border-color:var(--brand);}
.mobile-card.active i{color:var(--mint);}
.mobile-cta{display:block;margin-top:14px;text-align:center;}

/* ---------- 通用按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--grad-warm);color:#fff;border:none;border-radius:var(--r-pill);
  padding:14px 28px;font-size:15px;font-weight:600;
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.btn-main:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--brand);border:1.5px solid var(--brand);border-radius:var(--r-pill);
  padding:14px 28px;font-size:15px;font-weight:600;
  transition:background var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-ghost:hover{background:rgba(191,233,221,.3);border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-ghost:active{transform:translateY(0);}
.btn-main:focus-visible,.btn-ghost:focus-visible,.btn-cta:focus-visible,.nav-item:focus-visible,.nav-toggle:focus-visible,.link-arrow:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;
}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}
.link-arrow:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px;}

/* ---------- 板块节奏 ---------- */
.section{padding:96px 0;}
.section-sm{padding:72px 0;}
.sec-head{margin-bottom:32px;}
.sec-tag{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--accent-soft);color:var(--accent);
  font-size:12px;font-weight:600;letter-spacing:.12em;
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:14px;
}
.sec-head h2{font-size:34px;}
.sec-head .sec-desc{margin-top:12px;color:var(--ink-2);font-size:15px;max-width:640px;}

/* ---------- Hero ---------- */
.hero{position:relative;padding:56px 0 96px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;left:-10%;top:-20%;width:640px;height:640px;
  background:var(--grad-brand);filter:blur(80px);opacity:.08;border-radius:50%;pointer-events:none;
}
.hero-inner{position:relative;z-index:1;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent-soft);color:var(--accent);
  font-size:12px;font-weight:600;padding:7px 16px;border-radius:var(--r-pill);margin-bottom:20px;
}
.hero h1{font-size:48px;line-height:1.2;margin-bottom:20px;}
.hero-lead{font-size:17px;color:var(--ink-2);max-width:520px;margin-bottom:28px;}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:26px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;}
.mini-badge{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--bg);border:1px solid var(--line);color:var(--ink-2);
  font-size:13px;padding:7px 15px;border-radius:var(--r-pill);
}
.mini-badge i{color:var(--brand-2);font-size:13px;}
.hero-media{position:relative;}
.hero-img-card{
  border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-2);background:var(--surface);
}
.hero-img-card img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s var(--ease);}
.hero-img-card:hover img{transform:scale(1.02);}
.hero-mint{
  position:absolute;right:-18px;top:-18px;width:130px;height:130px;
  background:var(--mint);opacity:.45;border-radius:var(--r-lg);z-index:-1;
}
.float-badge{
  position:absolute;left:-20px;bottom:-20px;
  background:#fff;border-radius:var(--r-md);box-shadow:var(--sh-2);
  padding:16px 22px;display:flex;align-items:center;gap:14px;
  border:1px solid var(--line);
}
.float-badge .fb-num{font-size:32px;font-weight:700;color:var(--brand);line-height:1;}
.float-badge .fb-label{font-size:12px;letter-spacing:.12em;color:var(--ink-3);}

/* ---------- 能力区 ---------- */
.cap-big{
  background:var(--surface);border:none;border-radius:var(--r-xl);
  box-shadow:var(--sh-2);overflow:hidden;height:100%;
  display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease);
}
.cap-big:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.cap-big img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.cap-big .cap-body{padding:28px;}
.cap-big h3{font-size:22px;margin-bottom:10px;}
.cap-big p{color:var(--ink-2);font-size:15px;margin-bottom:16px;}
.cap-list{display:flex;flex-direction:column;gap:16px;height:100%;}
.cap-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-3);padding:22px;
  display:flex;gap:16px;align-items:flex-start;flex:1;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.cap-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--mint);}
.cap-ico{
  flex:0 0 46px;width:46px;height:46px;border-radius:14px;
  background:var(--accent-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:18px;
}
.cap-item h3{font-size:18px;margin-bottom:6px;}
.cap-item p{font-size:14px;color:var(--ink-2);margin-bottom:10px;}

/* ---------- 数据区 ---------- */
.stats-card{
  background:var(--grad-brand);color:#fff;border-radius:var(--r-xl);
  padding:56px;box-shadow:var(--sh-2);position:relative;overflow:hidden;
}
.stats-card::after{
  content:"";position:absolute;right:-80px;bottom:-80px;width:280px;height:280px;
  background:rgba(255,255,255,.06);border-radius:50%;
}
.stats-card h2{color:#fff;font-size:34px;margin-bottom:14px;position:relative;}
.stats-card .stats-desc{color:rgba(255,255,255,.78);font-size:15px;max-width:380px;position:relative;}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;position:relative;}
.stat-box{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-md);padding:22px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14);
}
.stat-box .stat-num{font-size:40px;font-weight:700;line-height:1.1;color:#fff;}
.stat-box .stat-num small{font-size:16px;font-weight:600;margin-left:4px;opacity:.9;}
.stat-box .stat-label{font-size:12px;letter-spacing:.12em;color:rgba(255,255,255,.72);margin-top:6px;}

/* ---------- 场景错位卡 ---------- */
.scene-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-3);overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--mint);}
.scene-card .scene-img{overflow:hidden;}
.scene-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s var(--ease);}
.scene-card:hover img{transform:scale(1.03);}
.scene-body{padding:24px;}
.tag-mint{
  display:inline-block;background:var(--mint);color:var(--brand);
  font-size:12px;font-weight:600;padding:5px 12px;border-radius:var(--r-pill);margin-bottom:12px;
}
.scene-body h3{font-size:20px;margin-bottom:8px;}
.scene-body p{font-size:14px;color:var(--ink-2);margin-bottom:14px;}
.scene-up{margin-top:-24px;}
.scene-down{margin-top:24px;}

/* ---------- 流程 ---------- */
.flow-wrap{position:relative;}
.flow-step{display:flex;gap:18px;position:relative;padding-bottom:30px;}
.flow-step:last-child{padding-bottom:0;}
.flow-step::before{
  content:"";position:absolute;left:21px;top:46px;bottom:0;
  border-left:1px dashed var(--line);
}
.flow-step:last-child::before{display:none;}
.flow-num{
  flex:0 0 44px;width:44px;height:44px;border-radius:50%;
  background:#fff;border:2px solid var(--brand-2);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:16px;z-index:1;
  font-variant-numeric:tabular-nums;
}
.flow-step h4{font-size:18px;margin-bottom:6px;}
.flow-step p{font-size:14px;color:var(--ink-2);}

/* ---------- 最新信息 ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px;}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-3);overflow:hidden;height:100%;
  display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--mint);}
.news-cover{display:block;overflow:hidden;background:linear-gradient(125deg,rgba(14,79,69,.12),rgba(31,169,140,.12));}
.news-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s var(--ease);}
.news-card:hover .news-cover img{transform:scale(1.03);}
.news-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.news-body h3{font-size:17px;line-height:1.5;margin:10px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body h3 a{color:var(--ink);}
.news-body h3 a:hover{color:var(--brand);}
.news-excerpt{
  font-size:14px;color:var(--ink-2);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-3);border-top:1px solid var(--line);padding-top:14px;
}
.news-foot a{color:var(--brand);font-weight:600;}
.news-foot a:hover{color:var(--accent);}
.empty-state{
  border:1.5px dashed var(--line);border-radius:var(--r-lg);background:var(--bg);
  padding:56px 24px;text-align:center;
}
.empty-state i{font-size:26px;color:var(--brand-2);margin-bottom:14px;display:block;}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:18px;}

/* ---------- FAQ ---------- */
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-3);margin-bottom:12px;overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item:hover{border-color:var(--mint);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:none;text-align:left;
  padding:20px 22px;font-size:18px;font-weight:600;color:var(--ink);
  transition:color var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-q:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;}
.faq-icon{
  flex:0 0 32px;width:32px;height:32px;border-radius:50%;
  background:var(--bg);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.faq-item.open .faq-icon{background:var(--accent);color:#fff;transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{padding:0 22px 22px;font-size:15px;line-height:1.9;color:var(--ink-2);}
.faq-item.open .faq-a{max-height:420px;}

/* ---------- 联系区 ---------- */
.contact-card{
  background:var(--grad-brand);color:#fff;border-radius:var(--r-xl);
  padding:48px;height:100%;box-shadow:var(--sh-2);position:relative;overflow:hidden;
}
.contact-card::after{
  content:"";position:absolute;right:-60px;top:-60px;width:200px;height:200px;
  background:rgba(255,255,255,.07);border-radius:50%;
}
.contact-card h2{color:#fff;font-size:32px;margin-bottom:16px;position:relative;}
.contact-card p{color:rgba(255,255,255,.8);font-size:15px;margin-bottom:24px;position:relative;}
.contact-points{display:flex;flex-direction:column;gap:14px;position:relative;}
.contact-points li{display:flex;align-items:flex-start;gap:12px;font-size:15px;color:rgba(255,255,255,.9);}
.contact-points i{color:var(--mint);margin-top:5px;}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--sh-1);padding:40px;height:100%;
}
.form-card h3{font-size:22px;margin-bottom:8px;}
.form-card .form-hint{font-size:14px;color:var(--ink-2);margin-bottom:22px;}
.form-label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:8px;}
.form-control{
  width:100%;border-radius:var(--r-md);background:var(--bg);border:1px solid var(--line);
  padding:13px 16px;font-size:15px;color:var(--ink);
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.form-control::placeholder{color:var(--ink-3);}
.form-control:focus{
  outline:none;background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(31,169,140,.16);
}
textarea.form-control{resize:vertical;min-height:120px;}
.form-group{margin-bottom:18px;}
.form-btn{width:100%;margin-top:4px;}
.form-privacy{font-size:12px;color:var(--ink-3);margin-top:14px;text-align:center;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand);color:#fff;border-radius:var(--r-xl) var(--r-xl) 0 0;
  padding:64px 0 28px;margin-top:0;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-mark{
  width:44px;height:44px;border-radius:var(--r-sm);background:rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;color:#fff;
}
.footer-title{font-size:16px;font-weight:700;color:#fff;}
.footer-desc{font-size:14px;color:rgba(255,255,255,.75);max-width:280px;margin-bottom:20px;}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:38px;height:38px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.1);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:15px;
  transition:background var(--ease),transform var(--ease);
}
.footer-social a:hover{background:var(--accent);color:#fff;transform:translateY(-2px);}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;}
.footer-list li{margin-bottom:10px;}
.footer-list a{font-size:14px;color:rgba(255,255,255,.75);}
.footer-list a:hover{color:var(--mint);text-decoration:underline;text-underline-offset:4px;}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.75);margin-bottom:10px;display:flex;gap:10px;}
.footer-contact i{color:var(--mint);margin-top:5px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:22px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:var(--mint);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero h1{font-size:42px;}
}
@media (max-width:991px){
  .nav-links,.nav-cta .btn-cta{display:none;}
  .nav-toggle{display:flex;}
  .section{padding:72px 0;}
  .hero{padding:40px 0 72px;}
  .hero h1{font-size:40px;}
  .hero-media{margin-top:40px;}
  .stats-card{padding:40px;margin-bottom:32px;}
  .scene-up,.scene-down{margin-top:0;}
  .contact-card,.form-card{padding:32px;}
  .flow-step::before{left:21px;}
}
@media (max-width:767px){
  .container{padding-left:20px;padding-right:20px;}
  .section{padding:56px 0;}
  .hero h1{font-size:34px;}
  .sec-head h2{font-size:28px;}
  .stats-card{padding:28px;}
  .stats-card h2{font-size:28px;}
  .contact-card h2{font-size:26px;}
  .form-card{padding:24px;}
  .contact-card{padding:28px;}
  .float-badge{left:8px;bottom:-16px;padding:12px 16px;}
  .float-badge .fb-num{font-size:26px;}
  .cap-item{flex-direction:row;}
}
@media (max-width:575px){
  .hero h1{font-size:30px;}
  .hero-lead{font-size:15px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .stat-grid{grid-template-columns:1fr;}
  .stat-box .stat-num{font-size:40px;}
  .brand-main{font-size:14px;}
  .brand-sub{display:none;}
  .cap-big .cap-body{padding:22px;}
  .mobile-grid{grid-template-columns:1fr;}
  .news-head{flex-direction:column;align-items:flex-start;}
  .faq-q{font-size:16px;padding:18px;}
  .faq-a-inner{padding:0 18px 18px;}
}

/* roulang page: article */
:root{
  --brand:#0E4F45;
  --brand-2:#1FA98C;
  --accent:#FF6A4D;
  --accent-soft:#FFE7E1;
  --mint:#BFE9DD;
  --ink:#12211D;
  --ink-2:#4A5C56;
  --ink-3:#7C8C86;
  --bg:#F4F7F5;
  --surface:#FFFFFF;
  --line:#E2EAE6;
  --grad-brand:linear-gradient(125deg,#0E4F45 0%,#1FA98C 100%);
  --grad-warm:linear-gradient(120deg,#FF6A4D 0%,#FFA07A 100%);
  --r-xl:32px;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(14,79,69,.08);
  --sh-2:0 18px 48px rgba(14,79,69,.14);
  --sh-3:0 2px 8px rgba(14,79,69,.06);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .28s var(--ease);}
a:hover{color:var(--accent);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{width:100%;padding-left:24px;padding-right:24px;margin:0 auto;}
@media (min-width:1200px){.container{max-width:1200px;}}
@media (max-width:767px){.container{padding-left:16px;padding-right:16px;}}

/* ---------- 顶部提示条 ---------- */
.topbar{background:var(--brand);color:#fff;font-size:13px;}
.topbar-in{display:flex;align-items:center;gap:10px;min-height:42px;flex-wrap:wrap;}
.topbar-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(255,106,77,.22);flex:none;}
.topbar-in a{color:#fff;margin-left:auto;display:inline-flex;align-items:center;gap:6px;font-weight:500;white-space:nowrap;}
.topbar-in a:hover{color:var(--mint);}
.topbar-in a i{font-size:11px;}

/* ---------- 卡片化导航 ---------- */
.site-header{position:sticky;top:0;z-index:1040;padding-top:16px;}
.nav-card{
  display:flex;align-items:center;gap:16px;
  padding:12px 18px;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
}
.brand{display:inline-flex;align-items:baseline;gap:8px;flex:none;}
.brand-mark{
  font-size:22px;font-weight:800;letter-spacing:-.02em;
  color:var(--brand);
  background:var(--mint);
  border-radius:var(--r-sm);
  padding:2px 10px;
  line-height:1.5;
}
.brand-text{font-size:12px;font-weight:500;color:var(--ink-2);letter-spacing:.02em;}
.brand:hover .brand-mark{background:var(--accent-soft);}
.brand:hover .brand-text{color:var(--brand);}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-item{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 14px;border-radius:var(--r-md);
  font-size:14px;color:var(--ink-2);
  transition:all .28s var(--ease);
  white-space:nowrap;
}
.nav-item i{font-size:14px;opacity:.9;}
.nav-item:hover{background:var(--accent-soft);color:var(--brand);}
.nav-item.active{background:var(--brand);color:#fff;box-shadow:var(--sh-3);}
.nav-cta{flex:none;}
.nav-toggle{
  display:none;width:40px;height:40px;flex:none;
  align-items:center;justify-content:center;
  background:var(--bg);border:1px solid var(--line);
  border-radius:var(--r-sm);color:var(--brand);font-size:16px;
  cursor:pointer;transition:all .28s var(--ease);
}
.nav-toggle:hover{background:var(--accent-soft);border-color:var(--mint);}
.nav-panel{max-height:0;overflow:hidden;opacity:0;transition:max-height .25s var(--ease),opacity .25s var(--ease);}
.nav-panel.open{opacity:1;margin-top:12px;}
.nav-panel-in{
  padding:18px 20px 20px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-2);
}
.panel-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px;}
.panel-item{
  display:flex;align-items:center;gap:8px;
  padding:12px;border-radius:var(--r-md);
  background:var(--bg);border:1px solid var(--line);
  font-size:13px;color:var(--ink-2);transition:all .28s var(--ease);
}
.panel-item i{font-size:14px;color:var(--brand);}
.panel-item:hover{background:var(--accent-soft);border-color:var(--mint);color:var(--brand);}
.panel-item.active{background:var(--brand);color:#fff;border-color:var(--brand);}
.panel-item.active i{color:#fff;}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:600;font-size:15px;
  padding:14px 28px;cursor:pointer;border:none;
  transition:all .28s var(--ease);
}
.btn-main{background:var(--grad-warm);color:#fff;box-shadow:0 6px 18px rgba(255,106,77,.24);}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);filter:brightness(1.05);}
.btn-main:active{transform:translateY(0);}
.btn-main.btn-sm{padding:11px 22px;font-size:14px;}
.btn-ghost{
  background:var(--surface);color:var(--brand);
  border:1.5px solid var(--brand);
}
.btn-ghost:hover{background:rgba(191,233,221,.35);border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}
.text-link i{font-size:12px;transition:transform .28s var(--ease);}
.text-link:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px;}
.text-link:hover i{transform:translateX(3px);}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-3);margin:24px 0 18px;}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--line);}
.crumb .cur{color:var(--brand);font-weight:600;}

/* ---------- 文章头卡 ---------- */
.article-head{
  position:relative;overflow:hidden;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-1);
  padding:40px;
}
.article-head .deco-ring{
  position:absolute;right:-60px;top:-70px;
  width:220px;height:220px;border-radius:50%;
  border:26px solid var(--accent-soft);
  opacity:.7;pointer-events:none;
}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:var(--r-pill);
  background:var(--mint);color:var(--brand);
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.article-head h1{
  position:relative;
  font-size:36px;line-height:1.32;font-weight:700;
  letter-spacing:-.01em;color:var(--ink);
  margin:14px 0 18px;
  max-width:860px;
}
.meta-row{
  display:flex;align-items:center;flex-wrap:wrap;gap:16px;
  font-size:14px;color:var(--ink-3);
}
.meta-row span{display:inline-flex;align-items:center;gap:6px;}
.meta-row i{font-size:13px;color:var(--brand-2);}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--line);display:inline-block;}

/* ---------- 正文两栏 ---------- */
.article-grid{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:32px;align-items:start;margin-top:28px;}
.article-body{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-3);
  padding:40px;
  min-width:0;
}
.article-body p{font-size:16px;line-height:1.9;margin:0 0 1.2em;color:var(--ink);}
.article-body h2{
  font-size:22px;line-height:1.45;font-weight:700;color:var(--brand);
  margin:2em 0 .8em;padding-left:14px;border-left:4px solid var(--accent);
}
.article-body h3{font-size:18px;font-weight:700;color:var(--brand);margin:1.6em 0 .6em;}
.article-body h4{font-size:16px;font-weight:700;color:var(--ink);margin:1.4em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:0;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.55em;line-height:1.9;color:var(--ink);}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.78em;
  width:7px;height:7px;background:var(--accent);border-radius:2px;
}
.article-body ol{counter-reset:li;padding-left:0;}
.article-body ol li{position:relative;padding-left:26px;margin-bottom:.55em;line-height:1.9;}
.article-body ol li::before{
  counter-increment:li;content:counter(li);
  position:absolute;left:0;top:.55em;
  width:18px;height:18px;border-radius:50%;
  background:var(--mint);color:var(--brand);
  font-size:11px;font-weight:700;line-height:18px;text-align:center;
}
.article-body blockquote{
  margin:1.5em 0;padding:20px;
  background:var(--bg);
  border-left:3px solid var(--mint);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--ink-2);font-style:normal;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--accent);}
.article-body img{border-radius:var(--r-md);width:100%;height:auto;margin:1.2em 0 .5em;}
.article-body figure{margin:1.5em 0;}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:6px;}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;}
.article-body th,.article-body td{border-bottom:1px solid var(--line);padding:12px 14px;text-align:left;}
.article-body th{background:var(--bg);font-weight:600;color:var(--brand);}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:2em 0;}

/* ---------- 文末区 ---------- */
.article-foot{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  flex-wrap:wrap;margin-top:20px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:18px 24px;box-shadow:var(--sh-3);
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag-item{
  display:inline-flex;align-items:center;
  padding:6px 14px;border-radius:var(--r-md);
  background:var(--bg);border:1px solid var(--line);
  font-size:13px;color:var(--ink-2);transition:all .28s var(--ease);
}
.tag-item:hover{background:var(--mint);border-color:var(--mint);color:var(--brand);}
.share-row{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);}
.share-row a{
  width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;background:var(--bg);border:1px solid var(--line);
  color:var(--ink-2);font-size:13px;transition:all .28s var(--ease);
}
.share-row a:hover{background:var(--brand);border-color:var(--brand);color:#fff;transform:translateY(-2px);}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:96px;display:grid;gap:20px;min-width:0;}
.side-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-3);
}
.side-card h3{font-size:16px;font-weight:700;color:var(--brand);margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--accent);font-size:14px;}
.side-list li{
  position:relative;padding-left:18px;margin-bottom:14px;
  font-size:14px;line-height:1.75;color:var(--ink-2);
}
.side-list li:last-child{margin-bottom:0;}
.side-list li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:6px;height:6px;border-radius:2px;background:var(--brand-2);
}
.side-list strong{color:var(--ink);font-weight:600;}
.side-cta{
  background:var(--grad-brand);color:#fff;border:none;
  border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--sh-2);
}
.side-cta h3{color:#fff;font-size:17px;margin-bottom:10px;display:block;}
.side-cta p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.82);margin-bottom:18px;}
.side-cta .btn-main{width:100%;padding:12px 20px;font-size:14px;}
.badge-num{
  display:flex;align-items:baseline;gap:8px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  border-radius:var(--r-md);padding:12px 16px;margin-bottom:16px;
}
.badge-num b{font-size:32px;font-weight:700;line-height:1;color:#fff;}
.badge-num span{font-size:12px;letter-spacing:.12em;color:rgba(255,255,255,.75);}

/* ---------- 相关推荐 ---------- */
.sec{margin-top:64px;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;flex-wrap:wrap;}
.sec-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--accent-soft);color:var(--accent);
  font-size:12px;font-weight:600;letter-spacing:.06em;margin-bottom:10px;
}
.sec-head h2{font-size:28px;line-height:1.35;font-weight:700;letter-spacing:-.01em;color:var(--ink);}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.rel-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-3);padding:16px;
  transition:all .28s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--mint);}
.rel-thumb{aspect-ratio:16/10;overflow:hidden;border-radius:var(--r-sm);margin-bottom:14px;background:var(--bg);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .28s var(--ease);}
.rel-card:hover .rel-thumb img{transform:scale(1.03);}
.mini-tag{
  display:inline-block;padding:3px 10px;border-radius:var(--r-pill);
  background:var(--mint);color:var(--brand);font-size:12px;font-weight:600;margin-bottom:10px;
}
.rel-card h3{
  font-size:16px;line-height:1.55;font-weight:600;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:12px;
}
.rel-card:hover h3{color:var(--brand);}
.rel-date{font-size:13px;color:var(--ink-3);margin-top:auto;display:flex;align-items:center;gap:6px;}
.rel-date i{font-size:12px;color:var(--brand-2);}

/* ---------- 内页 CTA ---------- */
.cta-band{
  margin-top:64px;
  background:var(--grad-brand);
  border-radius:var(--r-xl);
  padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  box-shadow:var(--sh-2);
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-100px;
  width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.07);
}
.cta-band h2{font-size:26px;line-height:1.4;font-weight:700;color:#fff;margin-bottom:8px;}
.cta-band p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.82);max-width:620px;}
.cta-band .btn-main{position:relative;z-index:1;flex:none;background:#fff;color:var(--brand);box-shadow:none;}
.cta-band .btn-main:hover{background:var(--accent-soft);color:var(--brand);}

/* ---------- 空态 ---------- */
.empty-card{
  background:var(--bg);
  border:1.5px dashed var(--line);
  border-radius:var(--r-lg);
  padding:52px 28px;text-align:center;
}
.empty-card i{font-size:34px;color:var(--brand-2);margin-bottom:16px;display:block;}
.empty-card p{font-size:15px;color:var(--ink-2);margin-bottom:22px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:80px;
  background:var(--brand);
  color:#fff;
  border-radius:var(--r-xl) var(--r-xl) 0 0;
  padding:64px 0 28px;
}
.footer-brand{display:flex;align-items:baseline;gap:10px;margin-bottom:16px;}
.footer-mark{
  font-size:20px;font-weight:800;color:var(--brand);
  background:var(--mint);border-radius:var(--r-sm);padding:2px 10px;line-height:1.5;
}
.footer-title{font-size:15px;font-weight:600;color:#fff;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:340px;margin-bottom:20px;}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.16);
  color:#fff;font-size:14px;transition:all .28s var(--ease);
}
.footer-social a:hover{background:var(--accent);border-color:var(--accent);color:#fff;transform:translateY(-2px);}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.footer-list li{margin-bottom:12px;}
.footer-list a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-list a:hover{color:var(--mint);text-decoration:underline;text-underline-offset:4px;}
.footer-contact li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;color:rgba(255,255,255,.72);margin-bottom:14px;line-height:1.7;
}
.footer-contact i{color:var(--mint);font-size:13px;margin-top:6px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.78);}
.footer-bottom a:hover{color:var(--mint);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-grid{gap:24px;}
}
@media (max-width:991px){
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .article-grid{grid-template-columns:minmax(0,1fr);}
  .article-side{position:static;grid-template-columns:1fr 1fr;gap:16px;}
  .article-head{padding:32px;}
  .article-head h1{font-size:30px;}
  .article-body{padding:32px;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{padding:36px;flex-direction:column;align-items:flex-start;}
  .site-footer{padding-top:52px;}
  .sec{margin-top:52px;}
  .cta-band{margin-top:52px;}
}
@media (max-width:767px){
  .article-head{padding:24px;}
  .article-head h1{font-size:26px;}
  .article-body{padding:24px;}
  .article-body h2{font-size:20px;}
  .article-body h3{font-size:17px;}
  .article-side{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
  .sec-head h2{font-size:23px;}
  .cta-band{padding:28px 24px;}
  .cta-band h2{font-size:21px;}
  .footer-desc{max-width:none;}
  .site-footer{margin-top:56px;padding-top:44px;}
  .sec{margin-top:44px;}
  .cta-band{margin-top:44px;}
  .article-foot{padding:16px 18px;}
  .topbar-in a{margin-left:0;width:100%;}
}
@media (max-width:575px){
  .article-head{padding:20px;}
  .article-head h1{font-size:23px;}
  .article-body{padding:18px;}
  .meta-row{gap:10px;font-size:13px;}
  .brand-text{display:none;}
  .panel-grid{grid-template-columns:1fr;}
  .btn-main,.btn-ghost{width:100%;}
  .cta-band .btn-main{width:100%;}
  .side-cta .btn-main{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --brand:#0E4F45;
  --brand-2:#1FA98C;
  --accent:#FF6A4D;
  --accent-soft:#FFE7E1;
  --mint:#BFE9DD;
  --ink:#12211D;
  --ink-2:#4A5C56;
  --ink-3:#7C8C86;
  --bg:#F4F7F5;
  --surface:#FFFFFF;
  --line:#E2EAE6;
  --grad-brand:linear-gradient(125deg,#0E4F45 0%,#1FA98C 100%);
  --grad-warm:linear-gradient(120deg,#FF6A4D 0%,#FFA07A 100%);
  --r-xl:32px;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(14,79,69,.08);
  --sh-2:0 18px 48px rgba(14,79,69,.14);
  --sh-3:0 2px 8px rgba(14,79,69,.06);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .28s var(--ease),background-color .28s var(--ease),border-color .28s var(--ease),transform .28s var(--ease),box-shadow .28s var(--ease)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
}
h1,h2,h3,h4,h5{font-weight:700;letter-spacing:-.01em;line-height:1.25;margin:0}
p{margin:0}
ul{list-style:none;margin:0;padding:0}
button{font-family:inherit}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (max-width:767px){
  .container{padding-left:16px;padding-right:16px}
}

/* ---------- 顶部提示条 ---------- */
.topbar{
  background:var(--brand);
  color:#fff;
  font-size:13px;
}
.topbar .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:42px;
  padding-top:6px;
  padding-bottom:6px;
}
.topbar-text{color:rgba(255,255,255,.9);line-height:1.5}
.topbar-link{
  color:#fff;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:6px;
  white-space:nowrap;
  border-bottom:1px solid rgba(255,255,255,.4);
  text-underline-offset:4px;
}
.topbar-link:hover,.topbar-link:focus-visible{color:#FFD9CF;border-bottom-color:#FFD9CF}
.topbar-link:active{transform:translateY(1px)}
@media (max-width:575px){
  .topbar-text{font-size:12px}
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  padding-top:16px;
}
.nav-card{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  background:rgba(255,255,255,.96);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:12px 16px;
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  transition:background-color .28s var(--ease),box-shadow .28s var(--ease);
}
.site-header.is-stuck .nav-card{
  background:rgba(255,255,255,.92);
  box-shadow:var(--sh-2);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border-radius:14px;
  background:var(--grad-brand);
  color:#fff;
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
  box-shadow:var(--sh-3);
}
.brand-name{
  display:block;
  font-size:15px;
  font-weight:700;
  color:var(--ink);
  line-height:1.25;
}
.brand-sub{
  display:block;
  font-size:12px;
  font-weight:500;
  color:var(--ink-2);
  line-height:1.3;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-item{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 14px;
  border-radius:var(--r-md);
  font-size:14px;
  font-weight:500;
  color:var(--ink-2);
  border:1px solid transparent;
  white-space:nowrap;
  transition:all .28s var(--ease);
}
.nav-item i{font-size:14px;color:var(--brand-2);transition:color .28s var(--ease)}
.nav-item:hover,.nav-item:focus-visible{
  background:var(--accent-soft);
  color:var(--brand);
  border-color:rgba(255,106,77,.22);
}
.nav-item:hover i,.nav-item:focus-visible i{color:var(--accent)}
.nav-item:active{transform:translateY(1px)}
.nav-item.active{
  background:var(--brand);
  color:#fff;
  border-color:var(--brand);
  box-shadow:var(--sh-3);
}
.nav-item.active i{color:#fff}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-cta{
  padding:12px 22px;
  font-size:14px;
}
.nav-toggle{
  display:none;
  width:40px;
  height:40px;
  border-radius:var(--r-sm);
  background:var(--bg);
  border:1px solid var(--line);
  color:var(--brand);
  font-size:16px;
  align-items:center;
  justify-content:center;
  transition:all .28s var(--ease);
}
.nav-toggle:hover{background:var(--mint);border-color:var(--mint)}
.nav-toggle:active{transform:scale(.96)}
.nav-cta-mobile{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  border-radius:var(--r-pill);
  padding:14px 28px;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:all .28s var(--ease);
  text-align:center;
}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-primary{
  background:var(--grad-warm);
  color:#fff;
  box-shadow:0 6px 18px rgba(255,106,77,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-2);filter:brightness(1.05);color:#fff}
.btn-primary:active{transform:translateY(0);filter:brightness(.98)}
.btn-ghost{
  background:#fff;
  border-color:var(--brand);
  color:var(--brand);
}
.btn-ghost:hover{background:rgba(191,233,221,.35);border-color:var(--brand);transform:translateY(-2px);color:var(--brand)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{
  background:#fff;
  color:var(--brand);
  box-shadow:var(--sh-2);
}
.btn-light:hover{transform:translateY(-2px);background:#fff;color:var(--brand);box-shadow:0 22px 46px rgba(0,0,0,.18)}
.btn-light:active{transform:translateY(0)}
.btn-sm{padding:11px 20px;font-size:14px}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand);
  transition:all .28s var(--ease);
}
.link-arrow i{font-size:12px;transition:transform .28s var(--ease)}
.link-arrow:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.link-arrow:hover i{transform:translateX(4px)}
.link-arrow:active{transform:translateY(1px)}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0 0}
.section-head{margin-bottom:32px}
.section-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:var(--accent-soft);
  color:var(--accent);
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  padding:6px 14px;
  border-radius:var(--r-pill);
  margin-bottom:14px;
}
.section-title{font-size:34px;color:var(--ink)}
.section-desc{margin-top:12px;font-size:15px;color:var(--ink-2);max-width:640px}

/* ---------- 迷你 Hero ---------- */
.cat-hero{padding-top:40px}
.cat-hero-card{
  position:relative;
  overflow:hidden;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-1);
  padding:44px 44px 48px;
}
.cat-hero-card::before{
  content:"";
  position:absolute;
  inset:0;
  background:var(--grad-brand);
  opacity:.08;
  clip-path:polygon(0 0,64% 0,34% 100%,0 100%);
  pointer-events:none;
}
.cat-hero-card::after{
  content:"";
  position:absolute;
  top:-70px;
  right:-70px;
  width:220px;
  height:220px;
  border-radius:50%;
  background:var(--accent-soft);
  opacity:.55;
  pointer-events:none;
}
.cat-hero-inner{position:relative;z-index:2}
.breadcrumb-line{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--ink-3);
  margin-bottom:16px;
}
.breadcrumb-line a{color:var(--ink-3)}
.breadcrumb-line a:hover,.breadcrumb-line a:focus-visible{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.breadcrumb-line .current{color:var(--brand);font-weight:600}
.cat-hero h1{
  font-size:32px;
  line-height:1.3;
  color:var(--ink);
  max-width:560px;
}
.cat-hero-desc{
  margin-top:16px;
  font-size:15px;
  color:var(--ink-2);
  max-width:520px;
}
.cat-hero-actions{margin-top:26px;display:flex;gap:12px;flex-wrap:wrap}
.hero-visual{position:relative;padding:0 12px 20px 0}
.hero-visual img{
  width:100%;
  aspect-ratio:5/3;
  object-fit:cover;
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
}
.stat-float{
  position:absolute;
  left:-8px;
  bottom:0;
  display:flex;
  align-items:center;
  gap:12px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-2);
  padding:12px 18px;
}
.stat-float .num{
  font-size:32px;
  font-weight:700;
  line-height:1;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.stat-float .lbl{
  font-size:12px;
  letter-spacing:.12em;
  color:var(--ink-3);
  line-height:1.4;
}

/* ---------- 要点小卡 ---------- */
.point-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.point-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-3);
  padding:24px;
  display:flex;
  gap:16px;
  transition:all .28s var(--ease);
}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--mint)}
.point-icon{
  flex:0 0 auto;
  width:44px;
  height:44px;
  border-radius:14px;
  background:var(--accent-soft);
  color:var(--brand);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:17px;
}
.point-card h3{font-size:18px;margin-bottom:6px}
.point-card p{font-size:14px;color:var(--ink-2);line-height:1.75}

/* ---------- 场景卡片 ---------- */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.scene-card{
  display:flex;
  flex-direction:column;
  gap:12px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-3);
  padding:20px;
  transition:all .28s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--mint)}
.scene-media{
  border-radius:var(--r-md);
  overflow:hidden;
  background:var(--bg);
}
.scene-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .28s var(--ease);
}
.scene-card:hover .scene-media img{transform:scale(1.03)}
.tag-chip{
  display:inline-flex;
  align-items:center;
  align-self:flex-start;
  background:var(--mint);
  color:var(--brand);
  font-size:12px;
  font-weight:600;
  padding:4px 12px;
  border-radius:var(--r-pill);
  letter-spacing:.04em;
}
.scene-card h3{font-size:19px}
.scene-card p{font-size:14px;color:var(--ink-2);line-height:1.75}
.scene-card .link-arrow{margin-top:auto;padding-top:4px}

.scene-card.wide{
  grid-column:span 2;
  flex-direction:row;
  align-items:stretch;
  gap:24px;
  padding:20px;
}
.scene-card.wide .scene-media{flex:0 0 44%;border-radius:var(--r-md)}
.scene-card.wide .scene-media img{height:100%;min-height:200px;aspect-ratio:auto}
.scene-card.wide .scene-body{display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.scene-card.wide h3{font-size:22px}

.scene-card.banner{
  grid-column:span 3;
  flex-direction:row;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  background:linear-gradient(110deg,#EFF5F2 0%,#FFFFFF 70%);
  border-style:dashed;
  border-width:1.5px;
}
.scene-card.banner .banner-left{display:flex;align-items:center;gap:16px}
.scene-card.banner .banner-icon{
  width:46px;
  height:46px;
  border-radius:14px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--brand);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  flex:0 0 auto;
}
.scene-card.banner h3{font-size:18px;margin-bottom:4px}
.scene-card.banner p{font-size:14px;color:var(--ink-2)}

/* ---------- 流程 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:32px;
  position:relative;
}
.step{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-3);
  padding:28px 24px;
  transition:all .28s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--mint)}
.step-num{
  width:46px;
  height:46px;
  border-radius:50%;
  background:var(--grad-brand);
  color:#fff;
  font-weight:700;
  font-size:17px;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:16px;
  box-shadow:var(--sh-1);
}
.step h4{font-size:18px;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-2);line-height:1.75}
.step:not(:last-child)::after{
  content:"";
  position:absolute;
  top:52px;
  right:-32px;
  width:32px;
  border-top:1px dashed var(--line);
}

/* ---------- 引导横条 ---------- */
.promo-bar{
  margin-top:96px;
  background:var(--grad-brand);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-2);
  padding:36px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.promo-bar::after{
  content:"";
  position:absolute;
  right:-40px;
  bottom:-60px;
  width:200px;
  height:200px;
  border-radius:50%;
  background:rgba(255,255,255,.08);
  pointer-events:none;
}
.promo-bar p{
  font-size:16px;
  line-height:1.7;
  max-width:620px;
  color:rgba(255,255,255,.94);
  position:relative;
  z-index:1;
}
.promo-bar .btn{position:relative;z-index:1;flex:0 0 auto}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-3);
  transition:all .28s var(--ease);
  overflow:hidden;
}
.faq-item:hover{border-color:var(--mint);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  background:none;
  border:0;
  padding:20px 22px;
  text-align:left;
  font-size:18px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
  transition:color .28s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-icon{
  flex:0 0 auto;
  width:32px;
  height:32px;
  border-radius:50%;
  background:var(--bg);
  color:var(--brand);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  transition:all .28s var(--ease);
}
.faq-item.open .faq-icon{
  background:var(--accent);
  color:#fff;
  transform:rotate(45deg);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s var(--ease);
}
.faq-item.open .faq-a{max-height:320px}
.faq-a p{
  padding:0 22px 22px;
  font-size:15px;
  line-height:1.9;
  color:var(--ink-2);
}

/* ---------- 帮助与表单 ---------- */
.help-wrap{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  align-items:stretch;
}
.help-dark{
  background:var(--grad-brand);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-2);
  padding:44px 40px;
  color:#fff;
  display:flex;
  flex-direction:column;
  gap:18px;
}
.help-dark h2{font-size:28px;color:#fff}
.help-dark p{font-size:15px;color:rgba(255,255,255,.9);line-height:1.8}
.help-points{display:flex;flex-direction:column;gap:12px;margin-top:6px}
.help-points li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:14px;
  color:rgba(255,255,255,.92);
  line-height:1.7;
}
.help-points i{color:#fff;margin-top:5px;font-size:13px;opacity:.9}
.help-form-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-1);
  padding:40px;
}
.form-field{margin-bottom:18px}
.form-field label{
  display:block;
  font-size:13px;
  color:var(--ink-2);
  margin-bottom:8px;
  font-weight:500;
}
.form-control-custom{
  width:100%;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:13px 16px;
  font-size:15px;
  color:var(--ink);
  line-height:1.6;
  transition:all .28s var(--ease);
  font-family:inherit;
}
.form-control-custom::placeholder{color:var(--ink-3)}
.form-control-custom:hover{border-color:var(--mint)}
.form-control-custom:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(31,169,140,.18);
  background:#fff;
}
textarea.form-control-custom{min-height:120px;resize:vertical}
.form-note{font-size:12px;color:var(--ink-3);margin-top:14px;line-height:1.7}
.form-tip{
  display:none;
  margin-top:14px;
  font-size:13px;
  color:var(--brand);
  background:var(--mint);
  border-radius:var(--r-sm);
  padding:10px 14px;
}
.form-tip.show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  background:var(--ink);
  color:#fff;
  border-radius:var(--r-xl) var(--r-xl) 0 0;
  padding:64px 0 0;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.footer-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:13px;
  background:var(--grad-brand);
  color:#fff;
  font-weight:700;
  font-size:14px;
  letter-spacing:.02em;
}
.footer-title{font-size:16px;font-weight:700;color:#fff}
.footer-desc{font-size:14px;color:rgba(255,255,255,.68);line-height:1.8;max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{
  width:38px;
  height:38px;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  transition:all .28s var(--ease);
}
.footer-social a:hover{background:var(--accent);border-color:var(--accent);transform:translateY(-2px)}
.footer-social a:active{transform:translateY(0)}
.footer-col h4{
  font-size:15px;
  color:#fff;
  margin-bottom:16px;
  font-weight:700;
}
.footer-list li{margin-bottom:10px}
.footer-list a{
  font-size:14px;
  color:rgba(255,255,255,.68);
  transition:all .28s var(--ease);
}
.footer-list a:hover{color:#fff;padding-left:4px}
.footer-list a:active{color:var(--mint)}
.footer-contact li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14px;
  color:rgba(255,255,255,.68);
  margin-bottom:12px;
  line-height:1.7;
}
.footer-contact i{color:var(--brand-2);margin-top:5px;font-size:13px}
.footer-bottom{
  margin-top:48px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.75)}
.footer-bottom a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .cat-hero h1{font-size:30px}
}
@media (max-width:991px){
  .nav-links{
    position:absolute;
    left:12px;
    right:12px;
    top:calc(100% + 10px);
    display:none;
    grid-template-columns:1fr 1fr;
    gap:8px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    box-shadow:var(--sh-2);
    padding:14px;
  }
  .nav-links.open{display:grid}
  .nav-item{
    justify-content:flex-start;
    padding:12px 14px;
    font-size:14px;
    background:var(--bg);
    border-color:transparent;
  }
  .nav-item.active{background:var(--brand)}
  .nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .nav-cta-mobile{
    display:flex;
    grid-column:1 / -1;
    width:100%;
    margin-top:4px;
  }
  .section{padding-top:72px}
  .cat-hero-card{padding:36px 28px 40px}
  .cat-hero h1{font-size:28px}
  .hero-visual{padding:0 0 20px 0;margin-top:8px}
  .point-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .scene-card.wide{grid-column:span 2;flex-direction:column}
  .scene-card.wide .scene-media img{min-height:0;aspect-ratio:16/10}
  .scene-card.banner{grid-column:span 2;flex-direction:column;align-items:flex-start}
  .steps{grid-template-columns:1fr;gap:16px}
  .step:not(:last-child)::after{display:none}
  .promo-bar{flex-direction:column;align-items:flex-start;padding:30px 28px;margin-top:72px}
  .help-wrap{grid-template-columns:1fr}
  .help-dark,.help-form-card{padding:32px 26px}
  .site-footer{margin-top:72px}
}
@media (max-width:767px){
  .site-header{padding-top:12px}
  .cat-hero{padding-top:28px}
  .cat-hero-card{padding:28px 20px 32px}
  .cat-hero h1{font-size:26px}
  .cat-hero-desc{font-size:14px}
  .section-title{font-size:28px}
  .section{padding-top:56px}
  .scene-grid{grid-template-columns:1fr}
  .scene-card.wide,.scene-card.banner{grid-column:span 1}
  .stat-float{left:0;padding:10px 14px;gap:10px}
  .stat-float .num{font-size:28px}
  .promo-bar{margin-top:56px}
  .promo-bar p{font-size:15px}
  .faq-q{font-size:16px;padding:18px}
  .faq-a p{padding:0 18px 18px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:575px){
  .cat-hero h1{font-size:24px}
  .cat-hero-actions .btn{width:100%}
  .btn{width:100%}
  .promo-bar .btn,.scene-card .link-arrow,.nav-toggle{width:auto}
  .section-title{font-size:24px}
  .help-dark h2{font-size:22px}
  .help-form-card{padding:26px 20px}
  .footer-bottom{font-size:12px}
}

/* roulang page: category2 */
:root{
  --brand:#0E4F45;
  --brand-2:#1FA98C;
  --accent:#FF6A4D;
  --accent-soft:#FFE7E1;
  --mint:#BFE9DD;
  --ink:#12211D;
  --ink-2:#4A5C56;
  --ink-3:#7C8C86;
  --bg:#F4F7F5;
  --surface:#FFFFFF;
  --line:#E2EAE6;
  --grad-brand:linear-gradient(125deg,#0E4F45 0%,#1FA98C 100%);
  --grad-warm:linear-gradient(120deg,#FF6A4D 0%,#FFA07A 100%);
  --r-xl:32px;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(14,79,69,.08);
  --sh-2:0 18px 48px rgba(14,79,69,.14);
  --sh-3:0 2px 8px rgba(14,79,69,.06);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{font-weight:700;letter-spacing:-.01em;line-height:1.25;color:var(--ink);margin:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .28s var(--ease),text-decoration-color .28s var(--ease);}
a:hover{color:var(--accent);}
img{max-width:100%;display:block;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}
@media(max-width:767px){.container{padding-left:16px;padding-right:16px;}}

/* ============ 顶部提示条 ============ */
.topbar{
  background:var(--brand);
  color:rgba(255,255,255,.9);
  font-size:13px;
  line-height:1.6;
}
.topbar .container{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:42px;padding-top:6px;padding-bottom:6px;
}
.topbar span{display:inline-flex;align-items:center;gap:8px;}
.topbar a{color:#fff;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;font-weight:500;}
.topbar a:hover{color:var(--mint);text-decoration:underline;text-underline-offset:4px;}
@media(max-width:575px){.topbar .container span.extra{display:none;}}

/* ============ 卡片化导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  padding:16px 0 8px;
}
.nav-card{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:12px 18px;
  transition:background .28s var(--ease),box-shadow .28s var(--ease);
}
.site-header.scrolled .nav-card{
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  box-shadow:var(--sh-2);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad-brand);
  color:#fff;font-weight:700;font-size:16px;letter-spacing:.02em;
  padding:7px 16px;border-radius:var(--r-pill);
  box-shadow:var(--sh-3);
}
.brand-text{
  display:flex;flex-direction:column;line-height:1.15;
  font-size:12px;font-weight:500;color:var(--ink-2);
}
.brand:hover .brand-text{color:var(--brand);}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-item{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 14px;border-radius:var(--r-md);
  font-size:14px;font-weight:500;color:var(--ink-2);
  transition:background .28s var(--ease),color .28s var(--ease),transform .28s var(--ease);
  white-space:nowrap;
}
.nav-item i{font-size:15px;line-height:1;}
.nav-item:hover{background:var(--accent-soft);color:var(--brand);}
.nav-item.active{background:var(--brand);color:#fff;box-shadow:var(--sh-3);}
.nav-item.active:hover{background:var(--brand);color:#fff;}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{
  display:none;width:40px;height:40px;border:0;border-radius:var(--r-sm);
  background:var(--bg);color:var(--brand);font-size:16px;
  align-items:center;justify-content:center;
  transition:background .28s var(--ease),color .28s var(--ease);
}
.nav-toggle:hover{background:var(--accent-soft);color:var(--accent);}
.nav-panel{
  display:none;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
  padding:20px;
  margin-top:10px;
  overflow:hidden;
}
.nav-panel.open{display:block;animation:panelIn .22s var(--ease);}
@keyframes panelIn{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:translateY(0);}}
.nav-panel-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.nav-panel-grid .nav-item{
  justify-content:flex-start;background:var(--bg);padding:14px;
  font-size:14px;color:var(--ink);border-radius:var(--r-md);
}
.nav-panel-grid .nav-item.active{background:var(--brand);color:#fff;}
.nav-panel-cta{display:block;margin-top:14px;}
@media(max-width:991px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn-main{display:none;}
}

/* ============ 按钮 ============ */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1.2;
  padding:14px 28px;border-radius:var(--r-pill);
  border:0;cursor:pointer;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease),color .28s var(--ease),filter .28s var(--ease);
}
.btn-main{background:var(--grad-warm);color:#fff;box-shadow:var(--sh-3);}
.btn-main:hover{color:#fff;filter:brightness(1.05);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{background:var(--surface);color:var(--brand);border:1.5px solid var(--brand);}
.btn-ghost:hover{color:var(--brand);background:rgba(191,233,221,.3);border-color:var(--brand);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:12px 22px;font-size:14px;}
.btn-block{display:flex;width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand);}
.link-arrow i{transition:transform .28s var(--ease);}
.link-arrow:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px;}
.link-arrow:hover i{transform:translateX(4px);}

/* ============ 通用板块 ============ */
.section{padding-top:96px;}
.section-sm{padding-top:72px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent-soft);color:var(--accent);
  font-size:12px;font-weight:600;letter-spacing:.06em;
  padding:6px 14px;border-radius:var(--r-pill);
  margin-bottom:14px;
}
.section-head h2{font-size:34px;}
.section-head .desc{font-size:15px;color:var(--ink-2);margin-top:12px;max-width:560px;}
@media(max-width:991px){
  .section{padding-top:72px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;}
  .section-head h2{font-size:28px;}
}
@media(max-width:575px){
  .section{padding-top:56px;}
  .section-sm{padding-top:56px;}
  .section-head h2{font-size:24px;}
}

/* ============ 迷你 Hero ============ */
.cat-hero{padding-top:16px;}
.cat-hero-card{
  position:relative;overflow:hidden;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-1);
  padding:44px;
}
.cat-hero-card::before{
  content:"";position:absolute;inset:-20% -10% auto auto;width:520px;height:520px;
  background:var(--grad-brand);opacity:.08;border-radius:50%;filter:blur(10px);
  pointer-events:none;
}
.cat-hero-card::after{
  content:"";position:absolute;left:-80px;bottom:-120px;width:340px;height:340px;
  background:var(--grad-brand);opacity:.06;border-radius:var(--r-xl);
  transform:rotate(12deg);pointer-events:none;
}
.cat-hero-inner{position:relative;z-index:1;}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);margin-bottom:18px;
}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--line);}
.crumb .current{color:var(--brand);font-weight:600;}
.cat-hero h1{font-size:32px;margin-bottom:16px;}
.cat-hero .lede{font-size:16px;color:var(--ink-2);max-width:560px;margin-bottom:26px;}
.hero-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-2);aspect-ratio:5/3;
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-float{
  position:absolute;left:-16px;bottom:-16px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sh-2);
  padding:14px 20px;display:flex;align-items:center;gap:14px;
}
.hero-float .num{
  font-size:40px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1;
}
.hero-float .lbl{font-size:12px;letter-spacing:.12em;color:var(--ink-3);line-height:1.4;max-width:92px;}
@media(max-width:991px){
  .cat-hero-card{padding:28px;}
  .cat-hero h1{font-size:26px;}
  .hero-float{left:auto;right:16px;bottom:-16px;}
}
@media(max-width:575px){
  .cat-hero-card{padding:22px;border-radius:var(--r-lg);}
  .cat-hero .lede{margin-bottom:20px;}
  .hero-float .num{font-size:34px;}
}

/* ============ 要点卡片栅格 ============ */
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.guide-card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-3);
  overflow:hidden;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.guide-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--mint);}
.guide-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg);}
.guide-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .28s var(--ease);}
.guide-card:hover .guide-thumb img{transform:scale(1.03);}
.guide-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.guide-body h3{font-size:20px;}
.guide-body p{font-size:14px;color:var(--ink-2);line-height:1.8;}
.guide-body .link-arrow{margin-top:auto;padding-top:4px;}
.tag{
  display:inline-flex;align-items:center;
  background:var(--mint);color:var(--brand);
  font-size:12px;font-weight:600;letter-spacing:.04em;
  padding:4px 12px;border-radius:var(--r-pill);align-self:flex-start;
}
.guide-card.wide{
  grid-column:span 2;
  background:linear-gradient(160deg,#FFFFFF 0%,#F2F9F6 100%);
  border-color:var(--mint);
  justify-content:center;
}
.guide-card.wide .guide-body{padding:34px;gap:16px;}
.guide-card.wide h3{font-size:24px;}
.guide-card.wide p{font-size:15px;}
.guide-card.wide .rule-list{display:flex;flex-direction:column;gap:10px;margin-top:4px;}
.guide-card.wide .rule-list li{
  display:flex;gap:10px;font-size:14px;color:var(--ink-2);
}
.guide-card.wide .rule-list i{color:var(--brand-2);font-size:13px;margin-top:6px;}
.guide-card.strip{
  grid-column:span 3;
  flex-direction:row;
}
.guide-card.strip .guide-thumb{width:38%;aspect-ratio:auto;flex-shrink:0;}
.guide-card.strip .guide-body{padding:32px;justify-content:center;}
@media(max-width:991px){
  .guide-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .guide-card.strip{grid-column:span 2;flex-direction:column;}
  .guide-card.strip .guide-thumb{width:100%;aspect-ratio:16/9;}
}
@media(max-width:575px){
  .guide-grid{grid-template-columns:1fr;}
  .guide-card.wide,.guide-card.strip{grid-column:span 1;}
  .guide-card.wide .guide-body{padding:24px;}
  .guide-card.strip .guide-body{padding:24px;}
}

/* ============ 验证流程 ============ */
.flow-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-1);
  padding:48px;
}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:8px;}
.flow-step{position:relative;padding:0 24px 0 0;}
.flow-step:last-child{padding-right:0;}
.flow-step::after{
  content:"";position:absolute;top:22px;left:52px;right:0;
  border-top:1px dashed var(--line);
}
.flow-step:last-child::after{display:none;}
.flow-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:50%;
  background:var(--grad-brand);color:#fff;font-weight:700;
  font-size:16px;font-variant-numeric:tabular-nums;
  box-shadow:var(--sh-3);position:relative;z-index:1;
}
.flow-step h4{font-size:17px;margin:18px 0 8px;}
.flow-step p{font-size:14px;color:var(--ink-2);line-height:1.8;}
@media(max-width:991px){
  .flow-wrap{padding:32px;}
  .flow-grid{grid-template-columns:1fr;}
  .flow-step{padding:0 0 28px 60px;}
  .flow-step:last-child{padding-bottom:0;}
  .flow-step::after{
    left:22px;right:auto;top:52px;bottom:0;
    border-top:0;border-left:1px dashed var(--line);
  }
  .flow-num{position:absolute;left:0;top:0;}
  .flow-step h4{margin-top:6px;}
}
@media(max-width:575px){
  .flow-wrap{padding:24px;border-radius:var(--r-lg);}
}

/* ============ 引导条 ============ */
.cta-band{
  background:var(--grad-brand);
  border-radius:var(--r-xl);
  padding:40px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--sh-2);
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-80px;width:280px;height:280px;
  background:rgba(255,255,255,.10);border-radius:50%;
}
.cta-band .band-text{position:relative;z-index:1;}
.cta-band h3{color:#fff;font-size:22px;margin-bottom:8px;}
.cta-band p{color:rgba(255,255,255,.78);font-size:14px;}
.cta-band .band-btn{
  position:relative;z-index:1;flex-shrink:0;
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;color:var(--brand);font-weight:600;font-size:15px;
  padding:14px 28px;border-radius:var(--r-pill);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),color .28s var(--ease);
  box-shadow:var(--sh-3);
}
.cta-band .band-btn:hover{color:var(--accent);transform:translateY(-2px);box-shadow:var(--sh-2);}
@media(max-width:767px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px;border-radius:var(--r-lg);}
  .cta-band .band-btn{width:100%;justify-content:center;}
}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-3);
  transition:border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.faq-item.open{border-color:var(--mint);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;text-align:left;
  padding:20px 24px;cursor:pointer;
  font-size:18px;font-weight:600;color:var(--ink);
  transition:color .28s var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  flex-shrink:0;width:32px;height:32px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--bg);color:var(--brand);font-size:13px;
  transition:background .28s var(--ease),color .28s var(--ease),transform .28s var(--ease);
}
.faq-item.open .faq-icon{background:var(--accent);color:#fff;transform:rotate(180deg);}
.faq-a{
  display:none;
  padding:0 24px 22px;
  font-size:15px;line-height:1.9;color:var(--ink-2);
}
.faq-item.open .faq-a{display:block;}
@media(max-width:575px){
  .faq-q{font-size:16px;padding:16px 18px;}
  .faq-a{padding:0 18px 18px;font-size:14px;}
}

/* ============ 咨询区 ============ */
.contact-row{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch;}
.contact-dark{
  background:var(--grad-brand);
  border-radius:var(--r-xl);
  padding:44px;
  color:#fff;
  position:relative;overflow:hidden;
  box-shadow:var(--sh-2);
}
.contact-dark::after{
  content:"";position:absolute;right:-70px;bottom:-90px;width:260px;height:260px;
  background:rgba(255,255,255,.10);border-radius:50%;
}
.contact-dark h2{color:#fff;font-size:30px;margin-bottom:16px;position:relative;z-index:1;}
.contact-dark p{color:rgba(255,255,255,.8);font-size:15px;margin-bottom:26px;position:relative;z-index:1;}
.contact-points{display:flex;flex-direction:column;gap:14px;position:relative;z-index:1;}
.contact-points li{
  display:flex;align-items:flex-start;gap:12px;
  font-size:14px;color:rgba(255,255,255,.88);
}
.contact-points i{
  width:30px;height:30px;flex-shrink:0;border-radius:var(--r-sm);
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.14);color:#fff;font-size:13px;
}
.contact-form{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  padding:40px;
  box-shadow:var(--sh-1);
}
.contact-form h3{font-size:20px;margin-bottom:6px;}
.contact-form .form-note{font-size:14px;color:var(--ink-2);margin-bottom:24px;}
.field{margin-bottom:18px;}
.field label{
  display:block;font-size:13px;color:var(--ink-2);font-weight:500;margin-bottom:8px;
}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);background:var(--bg);
  border-radius:var(--r-md);padding:13px 16px;
  font-size:15px;color:var(--ink);font-family:inherit;line-height:1.6;
  transition:border-color .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease);
}
.field textarea{resize:vertical;min-height:118px;}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3);}
.field input:hover,.field textarea:hover{border-color:var(--mint);}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:var(--surface);
  box-shadow:0 0 0 3px rgba(31,169,140,.16);
}
.privacy-note{font-size:12px;color:var(--ink-3);margin-top:14px;line-height:1.7;}
@media(max-width:991px){
  .contact-row{grid-template-columns:1fr;}
  .contact-dark,.contact-form{padding:30px;}
  .contact-dark h2{font-size:26px;}
}
@media(max-width:575px){
  .contact-dark,.contact-form{padding:24px;border-radius:var(--r-lg);}
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;
  background:var(--ink);
  color:rgba(255,255,255,.72);
  border-radius:var(--r-xl) var(--r-xl) 0 0;
  padding:64px 0 28px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-mark{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad-brand);color:#fff;font-weight:700;font-size:15px;
  padding:6px 14px;border-radius:var(--r-pill);
}
.footer-title{color:#fff;font-weight:700;font-size:16px;}
.footer-desc{font-size:14px;color:rgba(255,255,255,.62);line-height:1.8;max-width:300px;}
.footer-social{display:flex;gap:10px;margin-top:20px;}
.footer-social a{
  width:38px;height:38px;border-radius:var(--r-sm);
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);color:#fff;font-size:15px;
  transition:background .28s var(--ease),transform .28s var(--ease),color .28s var(--ease);
}
.footer-social a:hover{background:var(--accent);color:#fff;transform:translateY(-2px);}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;}
.footer-list li{margin-bottom:12px;}
.footer-list a{color:rgba(255,255,255,.68);font-size:14px;}
.footer-list a:hover{color:var(--mint);text-decoration:underline;text-underline-offset:4px;}
.footer-contact li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;color:rgba(255,255,255,.68);margin-bottom:12px;
}
.footer-contact i{color:var(--mint);font-size:14px;margin-top:5px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--mint);}
@media(max-width:767px){
  .site-footer{margin-top:72px;padding:44px 0 24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media(max-width:575px){
  .site-footer{margin-top:56px;}
}