/* roulang page: index */
:root{
  --primary:#1F5BC4;
  --primary-dark:#143F8C;
  --primary-light:#E7EEFB;
  --primary-lighter:#F2F6FD;
  --accent:#FF6B3D;
  --accent-hover:#E85A2C;
  --accent-light:#FFF0E9;
  --success:#0FA98F;
  --success-light:#E6F7F3;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --surface:#EDF1F8;
  --text:#0E1726;
  --text-2:#4A5568;
  --text-3:#8792A6;
  --border:#E2E8F2;
  --divider:#EEF2F8;
  --r-s:8px;
  --r-m:14px;
  --r-l:22px;
  --r-p:999px;
  --sh-1:0 1px 2px rgba(16,32,64,.06),0 8px 24px rgba(16,32,64,.08);
  --sh-2:0 4px 12px rgba(16,32,64,.10),0 16px 40px rgba(16,32,64,.12);
  --gap-block:88px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:"PingFang SC","HarmonyOS Sans","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.foundation-default-fix a{color:inherit;}

/* 容器 */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}

/* 通用标题 */
.sec-head{margin-bottom:36px;}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--primary);background:var(--primary-light);
  padding:5px 14px;border-radius:var(--r-p);margin-bottom:14px;
}
.sec-kicker::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--primary);transform:rotate(45deg);}
.sec-title{font-size:32px;font-weight:700;line-height:1.3;}
.sec-sub{margin-top:12px;color:var(--text-2);font-size:16px;max-width:760px;}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-p);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:all 160ms ease-out;white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,107,61,.28);}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,107,61,.34);}
.btn-outline{background:transparent;color:var(--primary);border-color:#C9D8F3;}
.btn-outline:hover{background:var(--primary-light);border-color:var(--primary);transform:translateY(-1px);}
.btn-blue{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(31,91,196,.24);}
.btn-blue:hover{background:var(--primary-dark);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(31,91,196,.3);border-radius:var(--r-s);}
.btn:focus-visible{box-shadow:0 0 0 3px rgba(31,91,196,.35);}

/* 标签 */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;padding:4px 12px;border-radius:var(--r-p);
  background:var(--primary-light);color:var(--primary-dark);line-height:1.6;
}
.tag-orange{background:var(--accent-light);color:var(--accent-hover);}
.tag-green{background:var(--success-light);color:var(--success);}
.tag-gray{background:var(--surface);color:var(--text-2);}

/* ── 头部导航 ── */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid transparent;
  transition:background 200ms ease,box-shadow 200ms ease,border-color 200ms ease;
}
.site-header.is-stuck{background:#fff;border-bottom-color:var(--border);box-shadow:0 6px 20px rgba(16,32,64,.07);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--primary);
  display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;
}
.brand-mark::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(255,255,255,.28),rgba(255,255,255,0) 60%);
}
.brand-mark span{position:relative;color:#fff;font-size:17px;font-weight:800;letter-spacing:-.02em;}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.01em;color:var(--text);}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  position:relative;font-size:15px;color:var(--text-2);font-weight:500;
  padding:9px 14px;border-radius:var(--r-s);transition:color 160ms ease,background 160ms ease;
}
.nav-links a:hover{color:var(--primary);background:var(--primary-lighter);}
.nav-links a.is-active{color:var(--primary-dark);font-weight:700;background:var(--primary-light);}
.nav-links a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:3px;
  border-radius:2px;background:var(--primary);
}
.nav-cta{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-s);
  background:var(--surface);border:1px solid var(--border);color:var(--text);
  align-items:center;justify-content:center;font-size:18px;cursor:pointer;
}
.drawer{
  position:fixed;inset:0;z-index:90;background:rgba(14,23,38,.42);
  opacity:0;visibility:hidden;transition:opacity 200ms ease,visibility 200ms ease;
}
.drawer.is-open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:86%;max-width:340px;
  background:#fff;padding:22px;overflow-y:auto;
  transform:translateX(100%);transition:transform 240ms ease-out;
  display:flex;flex-direction:column;
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-close{
  align-self:flex-end;width:44px;height:44px;border-radius:var(--r-s);
  background:var(--surface);border:1px solid var(--border);font-size:17px;cursor:pointer;color:var(--text);
}
.drawer-group{margin-top:22px;}
.drawer-group h4{font-size:13px;color:var(--text-3);font-weight:600;letter-spacing:.08em;margin-bottom:10px;}
.drawer-group a{
  display:block;padding:12px 14px;border-radius:10px;font-size:15px;color:var(--text);
  border:1px solid transparent;transition:all 160ms ease;
}
.drawer-group a:hover{background:var(--primary-lighter);color:var(--primary);border-color:var(--border);}
.drawer-foot{margin-top:auto;padding-top:24px;border-top:1px solid var(--divider);}
.drawer-foot p{font-size:13px;color:var(--text-3);margin-bottom:14px;}

/* ── Hero ── */
.hero{
  position:relative;overflow:hidden;
  background-color:var(--primary-lighter);
  background-image:linear-gradient(90deg,#F2F6FD 0%,rgba(242,246,253,.94) 36%,rgba(242,246,253,.42) 60%,rgba(242,246,253,0) 78%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover,cover;
  background-position:center,center right;
  background-repeat:no-repeat;
}
.hero-inner{
  min-height:580px;display:flex;align-items:center;
  padding:64px 0 72px;
}
.hero-copy{max-width:600px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--primary-dark);background:#fff;border:1px solid var(--border);
  padding:6px 14px;border-radius:var(--r-p);box-shadow:var(--sh-1);margin-bottom:20px;
}
.hero-badge i{color:var(--success);}
.hero h1{
  font-size:44px;font-weight:800;line-height:1.24;letter-spacing:0;color:var(--text);
}
.hero-sub{margin-top:18px;font-size:18px;color:var(--text-2);line-height:1.75;max-width:520px;}
.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap;}
.hero-points{display:flex;gap:10px;margin-top:30px;flex-wrap:wrap;}
.hero-point{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;
  color:var(--text-2);background:#fff;border:1px solid var(--border);
  padding:7px 14px;border-radius:var(--r-p);
}
.hero-point i{color:var(--primary);font-size:12px;}

.hero-side{display:flex;justify-content:flex-end;}
.progress-card{
  width:100%;max-width:340px;background:#fff;border-radius:var(--r-l);
  padding:26px;box-shadow:var(--sh-2);border:1px solid var(--border);
}
.progress-card h3{font-size:17px;display:flex;align-items:center;justify-content:space-between;gap:10px;}
.progress-card h3 .tag{font-weight:600;}
.progress-meta{display:flex;justify-content:space-between;font-size:13px;color:var(--text-3);margin-top:18px;}
.progress-bar{height:10px;border-radius:var(--r-p);background:var(--surface);overflow:hidden;margin-top:10px;}
.progress-bar span{display:block;height:100%;border-radius:var(--r-p);background:linear-gradient(90deg,var(--primary),#3E7BE0);width:0;transition:width 400ms ease-out;}
.progress-bar.is-accent span{background:linear-gradient(90deg,var(--accent),#FF9569);}
.progress-list{margin-top:20px;padding-top:18px;border-top:1px solid var(--divider);display:grid;gap:10px;}
.progress-list li{display:flex;align-items:center;justify-content:space-between;font-size:14px;color:var(--text-2);}
.progress-list li b{color:var(--text);font-weight:700;}
.progress-card .btn{margin-top:20px;}

/* ── 板块通用 ── */
.section{padding:var(--gap-block) 0;}
.section-tight{padding:64px 0;}
.section-alt{background:#fff;}
.section-tint{background:var(--primary-lighter);}
.ornament{
  position:absolute;right:-40px;top:-40px;width:220px;height:220px;
  border:1px solid rgba(31,91,196,.14);border-radius:24px;transform:rotate(45deg);
  pointer-events:none;
}
.pos-rel{position:relative;}

/* ── 玩法说明（非对称） ── */
.intro-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:32px;align-items:start;}
.intro-figure{
  border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-1);margin-bottom:28px;
  border:1px solid var(--border);
}
.intro-figure img{width:100%;height:300px;object-fit:cover;}
.intro-steps{display:grid;gap:18px;}
.intro-step{
  display:flex;gap:16px;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-m);padding:20px 22px;box-shadow:var(--sh-1);
  transition:box-shadow 160ms ease,transform 160ms ease;
}
.intro-step:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.step-num{
  flex:0 0 34px;width:34px;height:34px;border-radius:10px;background:var(--primary-light);
  color:var(--primary-dark);font-weight:800;font-size:15px;
  display:flex;align-items:center;justify-content:center;
}
.intro-step h3{font-size:17px;font-weight:600;margin-bottom:6px;}
.intro-step p{font-size:14px;color:var(--text-2);line-height:1.8;}
.side-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-m);
  padding:22px;box-shadow:var(--sh-1);display:flex;gap:16px;align-items:flex-start;
  transition:box-shadow 160ms ease,transform 160ms ease;margin-bottom:20px;
}
.side-card:last-child{margin-bottom:0;}
.side-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.side-card img{width:96px;height:76px;border-radius:10px;object-fit:cover;flex-shrink:0;}
.side-card h3{font-size:16px;font-weight:600;margin-bottom:6px;}
.side-card p{font-size:13px;color:var(--text-2);line-height:1.75;}
.side-card .tag{margin-bottom:8px;}

/* ── 奖励卡轨 ── */
.reward-rail{
  display:flex;gap:20px;overflow-x:auto;padding:6px 2px 18px;
  scrollbar-width:none;-webkit-overflow-scrolling:touch;
}
.reward-rail::-webkit-scrollbar{display:none;}
.reward-card{
  flex:0 0 264px;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-m);padding:16px;box-shadow:var(--sh-1);
  transition:box-shadow 160ms ease,transform 160ms ease;
}
.reward-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);}
.reward-card img{width:100%;height:148px;object-fit:cover;border-radius:10px;}
.reward-card h3{font-size:16px;font-weight:600;margin:14px 0 8px;}
.reward-head{display:flex;align-items:center;justify-content:space-between;gap:8px;}
.mini-bar{height:6px;border-radius:var(--r-p);background:var(--surface);overflow:hidden;margin-top:12px;}
.mini-bar span{display:block;height:100%;border-radius:var(--r-p);background:var(--primary);}
.mini-bar.is-accent span{background:var(--accent);}
.mini-bar.is-done span{background:var(--success);}
.reward-foot{display:flex;align-items:center;justify-content:space-between;margin-top:14px;font-size:12px;color:var(--text-3);}
.scroll-hint{font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:8px;}

/* ── 步骤条 ── */
.step-panel{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-l);
  padding:40px;box-shadow:var(--sh-1);
}
.step-rail{display:flex;align-items:flex-start;position:relative;margin-top:8px;}
.step-node{flex:1;text-align:center;position:relative;}
.step-dot{
  width:28px;height:28px;border-radius:50%;margin:0 auto 14px;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;background:#fff;
  border:2px solid var(--border);color:var(--text-3);position:relative;z-index:2;
}
.step-node.is-done .step-dot{background:var(--primary);border-color:var(--primary);color:#fff;}
.step-node.is-current .step-dot{
  background:var(--accent-light);border-color:var(--accent);color:var(--accent-hover);
  box-shadow:0 0 0 6px rgba(255,107,61,.14);
}
.step-node:not(:last-child)::after{
  content:"";position:absolute;top:13px;left:50%;width:100%;height:2px;
  background:var(--divider);z-index:1;
}
.step-node.is-done:not(:last-child)::after{background:var(--primary);}
.step-node h3{font-size:15px;font-weight:600;margin-bottom:4px;}
.step-node p{font-size:13px;color:var(--text-3);line-height:1.7;padding:0 8px;}
.step-total{margin-top:34px;padding-top:26px;border-top:1px solid var(--divider);}
.step-total-head{display:flex;justify-content:space-between;font-size:14px;color:var(--text-2);margin-bottom:10px;}
.step-total-head b{color:var(--primary-dark);font-size:16px;}
.step-total .progress-bar{height:10px;margin-top:0;}

/* ── 参与 CTA 面板 ── */
.cta-panel{
  background:linear-gradient(135deg,#F7FAFF 0%,#EAF1FE 100%);
  border:1px solid #D8E4F8;border-radius:var(--r-l);
  padding:52px 40px;text-align:center;position:relative;overflow:hidden;
}
.cta-panel::after{
  content:"";position:absolute;right:-60px;bottom:-60px;width:200px;height:200px;
  border:1px solid rgba(31,91,196,.16);transform:rotate(45deg);border-radius:20px;
}
.cta-panel h2{font-size:30px;font-weight:700;position:relative;z-index:2;}
.cta-panel p{margin:14px auto 0;max-width:620px;color:var(--text-2);font-size:16px;position:relative;z-index:2;}
.cta-actions{display:flex;gap:14px;justify-content:center;margin-top:28px;flex-wrap:wrap;position:relative;z-index:2;}
.cta-note{margin-top:16px;font-size:13px;color:var(--text-3);position:relative;z-index:2;}

/* ── 资讯列表 ── */
.news-grid{margin-top:-24px;}
.news-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-m);
  overflow:hidden;box-shadow:var(--sh-1);height:100%;display:flex;flex-direction:column;
  transition:box-shadow 160ms ease,transform 160ms ease;
}
.news-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);}
.news-thumb{display:block;overflow:hidden;aspect-ratio:16/10;background:var(--surface);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 300ms ease;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-body .tag{align-self:flex-start;margin-bottom:12px;}
.news-body h3{font-size:17px;font-weight:600;line-height:1.55;margin-bottom:10px;}
.news-body h3 a{transition:color 160ms ease;}
.news-card:hover .news-body h3 a{color:var(--primary);}
.news-body p{
  font-size:14px;color:var(--text-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);border-top:1px solid var(--divider);
}
.news-meta a{color:var(--primary);font-weight:600;transition:color 160ms ease;}
.news-meta a:hover{color:var(--primary-dark);text-decoration:underline;}
.empty-state{
  background:#fff;border:1px dashed #CFDBEE;border-radius:var(--r-m);
  padding:56px 24px;text-align:center;
}
.empty-state i{font-size:28px;color:var(--text-3);}
.empty-state p{margin:14px 0 20px;color:var(--text-2);font-size:15px;}

/* ── 数据条 ── */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.stat-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-m);
  padding:26px 22px;box-shadow:var(--sh-1);
}
.stat-item b{display:block;font-size:30px;font-weight:800;color:var(--primary-dark);line-height:1.2;}
.stat-item span{display:block;margin-top:8px;font-size:14px;color:var(--text-2);}

/* ── FAQ ── */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-m);
  box-shadow:var(--sh-1);overflow:hidden;position:relative;transition:box-shadow 160ms ease;
}
.faq-item:hover{box-shadow:var(--sh-2);}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--primary);transform:scaleY(0);transform-origin:top;
  transition:transform 200ms ease-out;
}
.faq-item.is-open::before{transform:scaleY(1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:none;border:0;text-align:left;cursor:pointer;
  padding:22px 24px;font-size:17px;font-weight:700;color:var(--text);line-height:1.6;
}
.faq-q:focus-visible{box-shadow:inset 0 0 0 3px rgba(31,91,196,.3);}
.faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:var(--surface);
  display:flex;align-items:center;justify-content:center;position:relative;transition:background 160ms ease,transform 200ms ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
}
.faq-icon::before{width:11px;height:2px;}
.faq-icon::after{width:2px;height:11px;transition:transform 200ms ease;}
.faq-item.is-open .faq-icon{background:var(--primary-light);}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease-out;}
.faq-a p{padding:0 24px 24px;font-size:15px;color:var(--text-2);line-height:1.85;}

/* ── 页脚前 CTA 条 ── */
.foot-cta{
  background:var(--primary-dark);color:#fff;border-radius:var(--r-l);
  padding:44px 40px;display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;position:relative;overflow:hidden;
}
.foot-cta::after{
  content:"";position:absolute;right:-50px;top:-70px;width:220px;height:220px;
  border:1px solid rgba(255,255,255,.16);transform:rotate(45deg);border-radius:24px;
}
.foot-cta h2{color:#fff;font-size:26px;position:relative;z-index:2;}
.foot-cta p{color:rgba(255,255,255,.76);font-size:15px;margin-top:10px;max-width:620px;position:relative;z-index:2;}
.foot-cta .btn-outline{color:#fff;border-color:rgba(255,255,255,.42);}
.foot-cta .btn-outline:hover{background:rgba(255,255,255,.14);border-color:#fff;}
.foot-cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2;}

/* ── 页脚 ── */
.site-footer{background:#fff;border-top:1px solid var(--border);margin-top:var(--gap-block);}
.footer-main{padding:64px 0 44px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:9px;}
.footer-brand .brand-text{font-size:17px;}
.footer-desc{font-size:14px;color:var(--text-2);line-height:1.8;}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:var(--text-2);transition:color 160ms ease;}
.footer-col a:hover{color:var(--primary);}
.footer-contact li{font-size:14px;color:var(--text-2);display:flex;gap:10px;align-items:flex-start;}
.footer-contact i{color:var(--primary);margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid var(--divider);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--primary);}

/* ── 响应式 ── */
@media (max-width:1199px){
  .hero h1{font-size:38px;}
  .hero-inner{min-height:520px;}
}
@media (max-width:1023px){
  :root{--gap-block:72px;}
  .nav-links{display:none;}
  .nav-cta .btn-outline{display:none;}
  .nav-toggle{display:flex;}
  .intro-grid{grid-template-columns:1fr;}
  .hero-inner{min-height:auto;padding:52px 0 60px;}
  .hero{background-image:linear-gradient(180deg,rgba(242,246,253,.96) 0%,rgba(242,246,253,.9) 55%,rgba(242,246,253,.72) 100%),url('/assets/images/backpic/back-1.webp');background-position:center,center;}
  .hero-side{justify-content:flex-start;margin-top:36px;}
  .progress-card{max-width:520px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .step-panel{padding:28px 22px;}
  .step-node p{display:none;}
}
@media (max-width:639px){
  :root{--gap-block:52px;}
  .container{padding:0 20px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .hero h1{font-size:29px;}
  .hero-sub{font-size:16px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .sec-title{font-size:23px;}
  .cta-panel{padding:36px 22px;}
  .cta-panel h2{font-size:23px;}
  .foot-cta{padding:32px 22px;}
  .foot-cta h2{font-size:21px;}
  .foot-cta-actions{width:100%;flex-direction:column;}
  .foot-cta-actions .btn{width:100%;}
  .stat-strip{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .intro-figure img{height:200px;}
  .side-card{flex-direction:column;}
  .side-card img{width:100%;height:150px;}
  .faq-q{font-size:16px;padding:18px 18px;}
  .faq-a p{padding:0 18px 20px;}
  .news-meta{flex-direction:column;align-items:flex-start;gap:8px;}
}

/* roulang page: category1 */
:root{
  --brand:#1F5BC4;
  --brand-dark:#143F8C;
  --brand-light:#E7EEFB;
  --brand-tint:#F2F6FD;
  --accent:#FF6B3D;
  --accent-light:#FFF0E9;
  --accent-hover:#E85A2C;
  --success:#0FA98F;
  --success-light:#E6F7F3;
  --bg:#F5F7FB;
  --surface:#FFFFFF;
  --surface-2:#EDF1F8;
  --text:#0E1726;
  --text-2:#4A5568;
  --text-3:#8792A6;
  --border:#E2E8F2;
  --divider:#EEF2F8;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:22px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(16,32,64,.06), 0 8px 24px rgba(16,32,64,.08);
  --shadow-2:0 4px 12px rgba(16,32,64,.10), 0 16px 40px rgba(16,32,64,.12);
  --gap-section:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .16s ease-out, background-color .16s ease-out, border-color .16s ease-out;}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4,h5,h6{margin:0;font-family:inherit;color:var(--text);line-height:1.3;letter-spacing:0;}
h1{font-size:42px;font-weight:800;line-height:1.25;}
h2{font-size:32px;font-weight:700;}
h3{font-size:21px;font-weight:600;}
p{margin:0 0 14px;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:16px;}
:focus-visible{outline:3px solid rgba(31,91,196,.35);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 22px;
  border-radius:var(--radius-pill);
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  transition:transform .16s ease-out, background-color .16s ease-out, color .16s ease-out, border-color .16s ease-out, box-shadow .16s ease-out;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,107,61,.28);}
.btn-primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);}
.btn-outline{background:transparent;color:var(--brand);border-color:#C6D6F0;}
.btn-outline:hover{background:var(--brand-light);color:var(--brand-dark);border-color:var(--brand);}
.btn-ghost{background:var(--surface);color:var(--brand);box-shadow:var(--shadow-1);}
.btn-ghost:hover{color:var(--brand-dark);background:#fff;transform:translateY(-1px);}
.btn-sm{min-height:44px;padding:0 20px;font-size:14px;}
.btn-lg{min-height:52px;padding:0 28px;font-size:16px;}
.btn-block{width:100%;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(120%) blur(6px);
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease-out, border-color .2s ease-out;
}
.site-header.is-stuck{
  border-bottom-color:var(--border);
  box-shadow:0 6px 20px rgba(16,32,64,.06);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  font-weight:800;
  font-size:18px;
  flex-shrink:0;
}
.brand:hover{color:var(--brand-dark);}
.brand-mark{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);
  color:#fff;
  font-weight:800;
  font-size:17px;
  box-shadow:0 6px 14px rgba(31,91,196,.28);
  flex-shrink:0;
}
.brand-text{letter-spacing:.5px;}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1 1 auto;
  justify-content:center;
}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  color:var(--text-2);
  font-size:15px;
  font-weight:500;
  border-radius:var(--radius-sm);
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:3px;
  border-radius:3px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .18s ease-out;
}
.nav-links a:hover{color:var(--brand);background:var(--brand-tint);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--text);font-weight:700;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-cta{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--border);
  background:#fff;
  border-radius:12px;
  color:var(--text);
  font-size:17px;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  padding:18px 0 0;
  font-size:13px;
  color:var(--text-3);
}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:0;padding:0;list-style:none;}
.breadcrumb li{display:inline-flex;align-items:center;gap:6px;}
.breadcrumb li + li::before{content:"/";color:#C3CCDC;}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .current{color:var(--text-2);font-weight:600;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  margin-top:16px;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background-color:#0F2A5C;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow-1);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.94) 42%,rgba(255,255,255,.55) 72%,rgba(255,255,255,.18) 100%);
}
.page-hero-inner{
  position:relative;
  padding:56px 44px 48px;
  max-width:760px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  background:var(--brand-light);
  color:var(--brand-dark);
  font-size:13px;
  font-weight:600;
  margin-bottom:18px;
}
.eyebrow i{font-size:12px;}
.page-hero h1{font-size:40px;margin-bottom:16px;}
.page-hero h1 .hl{color:var(--brand);}
.hero-sub{
  font-size:17px;
  color:var(--text-2);
  max-width:620px;
  margin-bottom:24px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 13px;
  border-radius:var(--radius-pill);
  font-size:12.5px;
  font-weight:600;
  line-height:1.4;
  background:var(--surface-2);
  color:var(--text-2);
  border:1px solid transparent;
}
.badge-blue{background:var(--brand-light);color:var(--brand-dark);}
.badge-orange{background:var(--accent-light);color:#C2440F;}
.badge-green{background:var(--success-light);color:#0A7C69;}
.badge i{font-size:11px;}

/* ---------- Sections ---------- */
.section{padding:var(--gap-section) 0;}
.section-tight{padding-top:0;}
.section-alt{background:var(--surface);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.section-title{font-size:31px;font-weight:700;}
.section-title .accent{color:var(--brand);}
.section-sub{margin-top:10px;color:var(--text-2);font-size:15.5px;max-width:720px;}
.section-link{
  font-size:14.5px;
  font-weight:600;
  color:var(--brand);
  white-space:nowrap;
  border-bottom:1px solid transparent;
  transition:border-color .16s ease-out;
}
.section-link:hover{border-bottom-color:var(--brand);}

/* ---------- Chip bar ---------- */
.chip-bar{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding:4px 2px 14px;
  margin-bottom:22px;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.chip-bar::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;
  padding:8px 16px;
  border-radius:var(--radius-pill);
  background:var(--surface);
  border:1px solid var(--border);
  color:var(--text-2);
  font-size:14px;
  font-weight:500;
  transition:all .16s ease-out;
}
.chip:hover{border-color:var(--brand);color:var(--brand);}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;}

/* ---------- Version cards ---------- */
.card-grid{margin-bottom:-24px;}
.card-grid > [class*="cell"]{margin-bottom:24px;display:flex;}
.v-card{
  display:flex;
  flex-direction:column;
  width:100%;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:box-shadow .18s ease-out, transform .18s ease-out, border-color .18s ease-out;
}
.v-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:#D4DFF2;}
.v-card-media{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--surface-2);
}
.v-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.v-card:hover .v-card-media img{transform:scale(1.03);}
.v-card-tag{
  position:absolute;
  top:12px;left:12px;
  padding:5px 12px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.94);
  color:var(--brand-dark);
  font-size:12px;
  font-weight:600;
  box-shadow:0 2px 8px rgba(16,32,64,.10);
}
.v-card-tag.tag-orange{color:#C2440F;}
.v-card-tag.tag-green{color:#0A7C69;}
.v-card-body{
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
  padding:22px 24px 20px;
}
.v-card-title{font-size:18.5px;font-weight:600;line-height:1.5;margin-bottom:10px;color:var(--text);}
.v-card:hover .v-card-title{color:var(--brand);}
.v-card-desc{
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.75;
  margin-bottom:18px;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.v-card-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:14px;
  border-top:1px solid var(--divider);
  font-size:13px;
  color:var(--text-3);
}
.v-card-meta .read{color:var(--brand);font-weight:600;}

/* ---------- Steps ---------- */
.step-rail{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  margin-top:8px;
}
.step-item{position:relative;padding-right:18px;}
.step-item::before{
  content:"";
  position:absolute;
  top:15px;left:32px;right:-8px;
  height:2px;
  background:var(--border);
}
.step-item:last-child::before{display:none;}
.step-dot{
  position:relative;
  z-index:1;
  width:32px;height:32px;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#fff;
  border:2px solid var(--border);
  color:var(--text-3);
  font-size:13px;
  font-weight:700;
  margin-bottom:16px;
}
.step-item.is-done .step-dot{background:var(--brand);border-color:var(--brand);color:#fff;}
.step-item.is-done::before{background:var(--brand);}
.step-item.is-current .step-dot{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 0 0 6px rgba(255,107,61,.14);}
.step-item.is-current::before{background:linear-gradient(90deg,var(--accent) 0%,var(--border) 100%);}
.step-title{font-size:16.5px;font-weight:600;margin-bottom:6px;}
.step-text{font-size:14px;color:var(--text-2);line-height:1.75;}

/* ---------- Scene list ---------- */
.scene-panel{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:36px;
  box-shadow:var(--shadow-1);
}
.scene-item{
  display:flex;
  gap:16px;
  padding:18px 0;
  border-bottom:1px solid var(--divider);
}
.scene-item:last-child{border-bottom:0;padding-bottom:0;}
.scene-item:first-child{padding-top:0;}
.scene-icon{
  flex:0 0 44px;
  width:44px;height:44px;
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-light);
  color:var(--brand);
  font-size:17px;
}
.scene-icon.orange{background:var(--accent-light);color:var(--accent-hover);}
.scene-icon.green{background:var(--success-light);color:var(--success);}
.scene-title{font-size:16.5px;font-weight:600;margin-bottom:4px;}
.scene-text{font-size:14.5px;color:var(--text-2);line-height:1.75;margin:0;}

/* ---------- Stat band ---------- */
.stat-band{
  background:var(--brand-tint);
  border:1px solid #DCE7FA;
  border-radius:var(--radius-lg);
  padding:36px 32px;
}
.stat-cell{text-align:center;padding:12px 8px;}
.stat-num{font-size:32px;font-weight:800;color:var(--brand);line-height:1.2;}
.stat-label{font-size:14px;color:var(--text-2);margin-top:6px;}

/* ---------- Feature split ---------- */
.split-media{
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  background:var(--surface-2);
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.check-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:12px 0;
  border-bottom:1px dashed var(--divider);
  font-size:15px;
  color:var(--text-2);
}
.check-list li:last-child{border-bottom:0;}
.check-list i{color:var(--success);margin-top:5px;font-size:15px;}
.check-list strong{color:var(--text);font-weight:600;}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--border);
  border-left:3px solid transparent;
  border-radius:var(--radius-md);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .18s ease-out, box-shadow .18s ease-out;
}
.faq-item[open]{border-left-color:var(--brand);box-shadow:var(--shadow-1);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 24px;
  font-size:17px;
  font-weight:600;
  color:var(--text);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  flex:0 0 26px;
  width:26px;height:26px;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--surface-2);
  color:var(--text-2);
  font-size:12px;
  transition:transform .2s ease-out, background-color .2s ease-out, color .2s ease-out;
}
.faq-item[open] .faq-icon{transform:rotate(90deg);background:var(--brand-light);color:var(--brand);}
.faq-body{
  padding:0 24px 22px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.85;
}

/* ---------- Pagination ---------- */
.pager{
  display:flex;
  justify-content:center;
  gap:10px;
  margin-top:36px;
  flex-wrap:wrap;
}
.pager a,.pager span{
  min-width:44px;
  height:44px;
  padding:0 14px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--text-2);
  font-size:15px;
  font-weight:600;
  transition:all .16s ease-out;
}
.pager a:hover{border-color:var(--brand);color:var(--brand);}
.pager .is-current{background:var(--brand);border-color:var(--brand);color:#fff;}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:44px 40px;
  box-shadow:var(--shadow-1);
  text-align:center;
}
.cta-band h2{font-size:28px;margin-bottom:12px;}
.cta-band p{color:var(--text-2);max-width:620px;margin:0 auto 26px;font-size:15.5px;}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;}
.cta-note{margin-top:16px;font-size:13px;color:var(--text-3);}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:var(--gap-section);
  background:#0E1D3A;
  color:#C8D4E8;
  padding-top:64px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-weight:800;
  font-size:18px;
  margin-bottom:16px;
}
.footer-desc{font-size:14px;line-height:1.8;color:#9DB0CE;max-width:320px;}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:700;
  margin-bottom:16px;
  letter-spacing:.5px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:#9DB0CE;font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-contact li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14px;
  color:#9DB0CE;
  line-height:1.7;
  margin-bottom:12px;
}
.footer-contact i{margin-top:5px;color:#6E86AC;}
.footer-bottom{
  margin-top:48px;
  border-top:1px solid rgba(255,255,255,.10);
  padding:22px 24px 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:#8296B6;
}
.footer-main{padding-bottom:8px;}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  :root{--gap-section:76px;}
  .nav-links a{padding:8px 9px;font-size:14.5px;}
}
@media (max-width:1023px){
  :root{--gap-section:60px;}
  h1{font-size:32px;}
  .page-hero h1{font-size:31px;}
  .section-title{font-size:25px;}
  .nav-links{
    position:absolute;
    top:72px;left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    background:#fff;
    border-bottom:1px solid var(--border);
    padding:14px 20px 20px;
    box-shadow:0 18px 34px rgba(16,32,64,.10);
  }
  .site-header.nav-open .nav-links{display:flex;}
  .nav-links a{padding:13px 12px;font-size:15.5px;border-radius:10px;}
  .nav-links a::after{display:none;}
  .nav-links a.is-active{background:var(--brand-tint);color:var(--brand);}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-cta .btn{display:none;}
  .nav-wrap{position:relative;}
  .page-hero-inner{padding:40px 28px 36px;max-width:100%;}
  .page-hero::before{background:linear-gradient(180deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.90) 60%,rgba(255,255,255,.72) 100%);}
  .step-rail{grid-template-columns:1fr 1fr;row-gap:28px;}
  .step-item:nth-child(2)::before{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:639px){
  :root{--gap-section:48px;}
  body{font-size:15.5px;}
  .container{padding:0 20px;}
  h1{font-size:28px;}
  .page-hero h1{font-size:27px;}
  h2,.section-title{font-size:22px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .page-hero-inner{padding:32px 22px 30px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .scene-panel{padding:24px 20px;}
  .stat-band{padding:24px 16px;}
  .stat-cell{padding:10px 4px;}
  .stat-num{font-size:26px;}
  .step-rail{grid-template-columns:1fr;}
  .step-item{padding-right:0;}
  .step-item::before{display:none;}
  .cta-band{padding:30px 22px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .v-card-body{padding:18px 18px 16px;}
}

/* roulang page: article */
:root{
  --brand:#1F5BC4;
  --brand-dark:#143F8C;
  --brand-light:#E7EEFB;
  --brand-soft:#F2F6FD;
  --accent:#FF6B3D;
  --accent-dark:#E85A2C;
  --accent-soft:#FFF0E9;
  --success:#0FA98F;
  --success-soft:#E6F7F3;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --surface:#EDF1F8;
  --text:#0E1726;
  --text-body:#22303F;
  --text-2:#4A5568;
  --text-3:#8792A6;
  --border:#E2E8F2;
  --divider:#EEF2F8;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(16,32,64,.06), 0 8px 24px rgba(16,32,64,.08);
  --shadow-2:0 4px 12px rgba(16,32,64,.10), 0 16px 40px rgba(16,32,64,.12);
  --gap-sec:80px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .16s ease-out}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;line-height:1.3;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit}
input,textarea{font-family:inherit}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(31,91,196,.30);border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-pill);
  border:1px solid transparent;font-size:15px;font-weight:600;letter-spacing:.2px;
  cursor:pointer;text-align:center;transition:all .16s ease-out;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(255,107,61,.26)}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px)}
.btn-blue{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(31,91,196,.24)}
.btn-blue:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px)}
.btn-outline{background:#fff;border-color:var(--border);color:var(--text-2)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.btn-light{background:#fff;color:var(--brand);border-color:#fff}
.btn-light:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-1px)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.62);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px}
.btn-lg{min-height:52px;padding:0 28px;font-size:16px}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(16,32,64,.08)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:17px;letter-spacing:.5px;
}
.brand-text{font-size:19px;font-weight:800;color:var(--text);letter-spacing:.3px}
.brand:hover .brand-text{color:var(--brand)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{position:relative;font-size:15px;font-weight:500;color:var(--text-2);padding:6px 0}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:3px;width:0;
  background:var(--brand);border-radius:3px;transition:width .18s ease-out;
}
.nav-links a:hover{color:var(--brand)}
.nav-links a:hover::after{width:100%}
.nav-links a.is-active{color:var(--text);font-weight:700}
.nav-links a.is-active::after{width:100%}
.nav-mobile-cta{display:none}
.nav-cta{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--border);background:#fff;color:var(--text-2);
  align-items:center;justify-content:center;font-size:17px;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* ---------- 内页顶部 ---------- */
.page-hero{
  position:relative;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  padding:40px 0 44px;
  border-bottom:1px solid var(--border);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.90) 52%,rgba(255,255,255,.62) 100%);
}
.page-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .current{color:var(--text-2)}
.article-head{max-width:820px}
.article-head h1{font-size:42px;font-weight:800;line-height:1.25;margin-bottom:20px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--text-2)}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1.6;
}
.chip-brand{background:var(--brand-light);color:var(--brand-dark)}
.chip-accent{background:var(--accent-soft);color:var(--accent-dark)}
.chip-success{background:var(--success-soft);color:var(--success)}
.chip-plain{background:var(--surface);color:var(--text-2)}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C9D3E3}

/* ---------- 文章布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 258px;gap:44px;
  align-items:start;padding:56px 0 0;
}
.article-layout.no-toc{grid-template-columns:minmax(0,1fr)}
.article-main{max-width:760px;min-width:0}
.article-layout.no-toc .article-main{margin:0 auto}
.article-body{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:34px 38px 42px;box-shadow:var(--shadow-1);
}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  font-size:27px;font-weight:700;line-height:1.4;
  margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--brand);
  scroll-margin-top:96px;
}
.article-body h3{font-size:21px;font-weight:600;margin:28px 0 12px;color:var(--text);scroll-margin-top:96px}
.article-body h4{font-size:18px;font-weight:600;margin:22px 0 10px;color:var(--text)}
.article-body p{margin:0 0 1.2em;font-size:17px;line-height:1.9;color:var(--text-body)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:24px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:8px;line-height:1.85;color:var(--text-body)}
.article-body li::marker{color:var(--brand)}
.article-body strong{font-weight:700;color:var(--text)}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(31,91,196,.35)}
.article-body a:hover{color:var(--brand-dark);border-bottom-color:var(--brand-dark)}
.article-body blockquote{
  margin:26px 0;padding:16px 22px;background:var(--brand-soft);
  border-left:3px solid var(--brand);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--text-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:22px auto;box-shadow:var(--shadow-1)}
.article-body figure{margin:24px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--text-3);margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:22px 0}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--divider);color:var(--text-body)}
.article-body th{background:var(--surface);font-weight:700;color:var(--text)}
.article-body hr{border:none;border-top:1px solid var(--divider);margin:34px 0}

/* ---------- 目录 ---------- */
.article-toc{position:sticky;top:96px}
.toc-inner{background:#fff;border:1px solid var(--border);border-radius:var(--r-md);padding:20px;box-shadow:var(--shadow-1)}
.toc-inner h3{font-size:15px;font-weight:700;margin-bottom:12px;color:var(--text)}
.toc-inner ol{display:flex;flex-direction:column;gap:2px}
.toc-inner a{
  display:block;font-size:14px;line-height:1.6;color:var(--text-2);
  padding:7px 0 7px 12px;border-left:2px solid var(--border);
  transition:all .16s ease-out;
}
.toc-inner a:hover{color:var(--brand);border-left-color:var(--brand);background:var(--brand-soft)}
.toc-inner a.is-current{color:var(--brand);font-weight:600;border-left-color:var(--brand);background:var(--brand-soft)}

/* ---------- 提示 / 须知 ---------- */
.read-note{
  display:flex;gap:12px;margin-top:24px;padding:16px 20px;
  background:var(--brand-soft);border:1px solid var(--border);border-radius:var(--r-md);
  font-size:14px;line-height:1.8;color:var(--text-2);
}
.read-note i{color:var(--brand);margin-top:5px}
.notes-section{padding:56px 0 0}
.notes-section h2{font-size:28px;font-weight:700;margin-bottom:10px}
.notes-lead{font-size:15px;color:var(--text-2);margin-bottom:24px;max-width:760px}
.notes-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.note-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--shadow-1);transition:all .16s ease-out;
}
.note-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px)}
.note-card .note-idx{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:var(--r-sm);margin-bottom:14px;
  background:var(--brand-light);color:var(--brand-dark);font-weight:800;font-size:14px;
}
.note-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.note-card p{font-size:14px;line-height:1.8;color:var(--text-2)}

/* ---------- 相关推荐 ---------- */
.related-section{padding:72px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-head h2{font-size:30px;font-weight:700}
.section-head p{font-size:14px;color:var(--text-3);margin-top:8px}
.text-link{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.text-link:hover{color:var(--brand-dark)}
.related-grid{margin:0 -12px}
.related-grid > .cell{padding:12px}
.card-link{
  display:flex;flex-direction:column;height:100%;overflow:hidden;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  box-shadow:var(--shadow-1);color:inherit;transition:all .18s ease-out;
}
.card-link:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);color:inherit}
.card-cover{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--surface)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.card-link:hover .card-cover img{transform:scale(1.03)}
.card-tag{
  position:absolute;top:12px;left:12px;
  background:rgba(255,255,255,.94);color:var(--brand);
  font-size:12px;font-weight:600;padding:4px 10px;border-radius:var(--r-pill);
}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-title{font-size:17px;font-weight:700;line-height:1.5;color:var(--text)}
.card-link:hover .card-title{color:var(--brand)}
.card-desc{
  font-size:14px;line-height:1.75;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--divider);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.card-foot .more{color:var(--brand);font-weight:600}

/* ---------- 返回 / CTA ---------- */
.back-row{padding:36px 0 0}
.cta-band{
  margin:76px 0 0;padding:46px 44px;border-radius:var(--r-lg);
  background:linear-gradient(120deg,var(--brand) 0%,var(--brand-dark) 100%);
  color:#fff;display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band h2{font-size:28px;font-weight:700;color:#fff;margin-bottom:10px}
.cta-band p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.86);max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}

/* ---------- 空态 ---------- */
.empty-state{text-align:center;padding:56px 32px}
.empty-state .empty-icon{
  width:64px;height:64px;border-radius:var(--r-md);margin:0 auto 18px;
  background:var(--brand-soft);color:var(--brand);font-size:26px;
  display:flex;align-items:center;justify-content:center;
}
.empty-state h2{font-size:24px;font-weight:700;margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:22px}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:84px;background:#fff;border-top:1px solid var(--border);padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.25fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-desc{margin-top:14px;max-width:290px;font-size:14px;line-height:1.8;color:var(--text-2)}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--text)}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--brand)}
.footer-contact li{display:flex;gap:8px;font-size:14px;line-height:1.75;color:var(--text-2);align-items:flex-start}
.footer-contact i{color:var(--brand);margin-top:5px;flex:0 0 auto}
.footer-bottom{
  margin-top:46px;border-top:1px solid var(--divider);
  padding-top:20px;padding-bottom:20px;
  display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-links{
    position:fixed;top:72px;left:0;right:0;z-index:59;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:8px 20px 20px;
    border-bottom:1px solid var(--border);
    box-shadow:0 16px 40px rgba(16,32,64,.12);
    transform:translateY(-12px);opacity:0;visibility:hidden;
    transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s;
  }
  .nav-links.is-open{transform:none;opacity:1;visibility:visible}
  .nav-links a{padding:15px 4px;font-size:16px;border-bottom:1px solid var(--divider)}
  .nav-links a::after{display:none}
  .nav-mobile-cta{
    display:flex;align-items:center;justify-content:center;
    margin-top:16px;min-height:48px;border-radius:var(--r-pill) !important;
    background:var(--accent);color:#fff !important;font-weight:600;border-bottom:none !important;
  }
  .nav-mobile-cta:hover{background:var(--accent-dark);color:#fff !important}
  .nav-cta .btn{display:none}
  .nav-toggle{display:inline-flex}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;padding-top:40px}
  .article-toc{display:none}
  .article-main{margin:0 auto}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .article-head h1{font-size:32px}
  .article-body{padding:26px 20px 32px}
  .article-body h2{font-size:22px;margin-top:32px}
  .article-body h3{font-size:19px}
  .article-body p,.article-body li{font-size:16px}
  .notes-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px;margin-top:56px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .notes-section,.related-section{padding-top:48px}
}
@media (max-width:640px){
  .container{padding:0 20px}
  .page-hero{padding:28px 0 32px}
  .article-head h1{font-size:28px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .back-row .btn{width:100%}
  .brand-text{font-size:17px}
}

/* roulang page: category2 */
:root{
  --brand:#1F5BC4;
  --brand-dark:#143F8C;
  --brand-light:#E7EEFB;
  --brand-soft:#F2F6FD;
  --accent:#FF6B3D;
  --accent-light:#FFF0E9;
  --accent-dark:#E85A2C;
  --teal:#0FA98F;
  --teal-light:#E6F7F3;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --surface:#EDF1F8;
  --text:#0E1726;
  --text-2:#4A5568;
  --text-3:#8792A6;
  --border:#E2E8F2;
  --divider:#EEF2F8;
  --r-s:8px;
  --r-m:14px;
  --r-l:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,32,64,.06),0 8px 24px rgba(16,32,64,.08);
  --sh-2:0 4px 12px rgba(16,32,64,.10),0 16px 40px rgba(16,32,64,.12);
  --ease:160ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
  -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(--brand-dark)}
button{font-family:inherit}
h1,h2,h3,h4{color:var(--text);margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(31,91,196,.3);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#FFFFFF;
  border-bottom:1px solid transparent;
  transition:box-shadow var(--ease),border-color var(--ease);
}
.site-header.is-scrolled{
  border-bottom-color:var(--border);
  box-shadow:0 2px 14px rgba(16,32,64,.08);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:16px;letter-spacing:.5px;
  box-shadow:0 6px 14px rgba(31,91,196,.24);
}
.brand-text{font-size:18px;font-weight:800;color:var(--text);letter-spacing:.2px}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{
  position:relative;padding:6px 0;font-size:15px;font-weight:500;color:var(--text-2);
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-2px;height:3px;width:0;
  background:var(--brand);border-radius:3px;transition:width var(--ease);
}
.nav-links a:hover{color:var(--brand)}
.nav-links a:hover::after{width:100%}
.nav-links a.is-active{color:var(--text);font-weight:700}
.nav-links a.is-active::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-m);
  border:1px solid var(--border);background:#fff;color:var(--brand);
  font-size:17px;cursor:pointer;align-items:center;justify-content:center;
  transition:background var(--ease),border-color var(--ease);
}
.nav-toggle:hover{background:var(--brand-light);border-color:#c9d9f4}
.drawer-cta{display:none}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;text-decoration:none;
  transition:transform var(--ease),background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.btn i{font-size:13px}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,107,61,.28)}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--border)}
.btn-outline:hover{background:var(--brand-light);color:var(--brand-dark);border-color:#c9d9f4;transform:translateY(-1px)}
.btn-outline:active{transform:translateY(1px)}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(31,91,196,.24)}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px)}
.btn-brand:active{transform:translateY(1px)}
.btn-sm{height:44px;padding:0 20px;font-size:14px}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn-block{width:100%}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:30px;padding:0 14px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;line-height:1;
  background:var(--brand-light);color:var(--brand-dark);
}
.badge-accent{background:var(--accent-light);color:var(--accent-dark)}
.badge-teal{background:var(--teal-light);color:#0B7D6A}
.badge-plain{background:var(--surface);color:var(--text-2)}

/* ---------- hero ---------- */
.page-hero{
  position:relative;
  background-image:
    linear-gradient(90deg,rgba(255,255,255,.98) 0%,rgba(255,255,255,.94) 42%,rgba(255,255,255,.66) 68%,rgba(255,255,255,.42) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center right;
  border-bottom:1px solid var(--border);
}
.page-hero .hero-inner{padding:56px 0 72px}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);margin-bottom:22px;
}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#C3CCDB}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:1.6px;
  color:var(--brand);background:var(--brand-light);
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:18px;
}
.page-hero h1{
  font-size:44px;font-weight:800;line-height:1.25;letter-spacing:0;
  margin-bottom:18px;max-width:16em;
}
.hero-lead{font-size:17px;line-height:1.85;color:var(--text-2);max-width:600px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

.progress-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-l);
  padding:28px;box-shadow:var(--sh-1);
}
.progress-card h3{font-size:18px;font-weight:700;margin-bottom:6px}
.progress-card .muted{font-size:13px;color:var(--text-3);margin-bottom:20px}
.progress-label{display:flex;align-items:baseline;justify-content:space-between;font-size:13px;color:var(--text-2);margin-bottom:8px}
.progress-label strong{font-size:20px;font-weight:800;color:var(--brand)}
.bar{height:10px;border-radius:var(--r-pill);background:var(--surface);overflow:hidden}
.bar span{display:block;height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--brand),#3D7BE0);width:62%}
.bar-accent span{background:linear-gradient(90deg,var(--accent),#FF9166)}
.mini-steps{display:flex;flex-direction:column;gap:12px;margin:22px 0 24px}
.mini-step{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2)}
.mini-dot{
  width:22px;height:22px;border-radius:50%;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  font-size:10px;font-weight:700;border:2px solid #D7DFEC;background:#fff;color:var(--text-3);
}
.mini-step.done .mini-dot{background:var(--brand);border-color:var(--brand);color:#fff}
.mini-step.current .mini-dot{border-color:var(--accent);color:var(--accent-dark);background:var(--accent-light)}
.mini-step.current{color:var(--text);font-weight:600}

/* ---------- sections ---------- */
.section{padding:80px 0}
.section-alt{background:#fff;border-top:1px solid var(--divider);border-bottom:1px solid var(--divider)}
.section-soft{background:var(--brand-soft)}
.section-head{max-width:780px;margin-bottom:36px}
.section-head h2{font-size:32px;font-weight:700;line-height:1.35;margin-bottom:12px}
.section-head p{font-size:16px;color:var(--text-2)}
.section-head .eyebrow{margin-bottom:14px}

/* ---------- filter ---------- */
.filter-bar{
  display:flex;gap:10px;overflow-x:auto;padding:4px 2px 10px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.filter-bar::-webkit-scrollbar{display:none}
.filter-chip{
  flex:0 0 auto;height:40px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid var(--border);background:#fff;color:var(--text-2);
  font-size:14px;font-weight:600;cursor:pointer;
  transition:all var(--ease);
}
.filter-chip:hover{border-color:#C9D9F4;color:var(--brand)}
.filter-chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 6px 14px rgba(31,91,196,.22)}
.filter-note{font-size:13px;color:var(--text-3);margin-top:8px}

/* ---------- wide list ---------- */
.wide-list{margin-top:8px}
.wide-item{margin-bottom:20px}
.wide-card{
  display:grid;grid-template-columns:220px 1fr;gap:24px;align-items:stretch;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-l);
  padding:20px;box-shadow:var(--sh-1);
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.wide-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#D7E2F5}
.wide-thumb{
  position:relative;width:220px;height:150px;border-radius:var(--r-m);
  overflow:hidden;background:var(--surface);
}
.wide-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 300ms ease-out}
.wide-card:hover .wide-thumb img{transform:scale(1.03)}
.wide-body{display:flex;flex-direction:column;gap:10px;min-width:0}
.wide-tags{display:flex;flex-wrap:wrap;gap:8px}
.wide-body h3{font-size:20px;font-weight:600;line-height:1.5;transition:color var(--ease)}
.wide-card:hover .wide-body h3{color:var(--brand)}
.wide-body p{font-size:15px;color:var(--text-2);line-height:1.8}
.wide-meta{
  display:flex;flex-wrap:wrap;gap:8px 20px;font-size:13px;color:var(--text-3);
  padding-top:12px;border-top:1px dashed var(--border);margin-top:auto;
}
.wide-meta span i{color:var(--brand);margin-right:6px;font-size:12px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.link-more i{font-size:11px;transition:transform var(--ease)}
.link-more:hover i{transform:translateX(3px)}

/* ---------- tier rail ---------- */
.tier-rail{position:relative;display:grid;grid-template-columns:repeat(4,1fr);margin-top:12px}
.tier-step{position:relative;text-align:center;padding:0 14px}
.tier-step::before{
  content:"";position:absolute;top:14px;left:-50%;width:100%;height:2px;background:var(--border);
}
.tier-step:first-child::before{display:none}
.tier-step.done::before{background:var(--brand)}
.step-dot{
  position:relative;z-index:1;width:28px;height:28px;border-radius:50%;
  margin:0 auto 16px;display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;background:#fff;border:2px solid #D7DFEC;color:var(--text-3);
}
.tier-step.done .step-dot{background:var(--brand);border-color:var(--brand);color:#fff}
.tier-step.current .step-dot{border-color:var(--accent);color:var(--accent-dark);background:var(--accent-light);box-shadow:0 0 0 6px rgba(255,107,61,.14)}
.tier-step h3{font-size:17px;font-weight:600;margin-bottom:8px}
.tier-step p{font-size:14px;color:var(--text-2);line-height:1.75}
.tier-total{margin-top:34px}
.tier-total .progress-label{margin-bottom:10px}

/* ---------- stats ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-l);
  padding:28px 26px;box-shadow:var(--sh-1);
  transition:box-shadow var(--ease),transform var(--ease);
}
.stat-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.stat-num{font-size:34px;font-weight:800;color:var(--brand);line-height:1.1}
.stat-num small{font-size:15px;font-weight:600;margin-left:4px;color:var(--text-2)}
.stat-label{font-size:14px;color:var(--text-2);margin-top:8px}
.stat-card .stat-line{height:1px;background:var(--divider);margin:16px 0 14px}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-m);
  overflow:hidden;transition:box-shadow var(--ease);
}
.faq-item[open]{box-shadow:var(--sh-1),inset 3px 0 0 var(--brand)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:17px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:600;color:var(--brand);line-height:1;
  transition:transform 200ms ease-out;flex:0 0 auto;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{color:var(--brand)}
.faq-answer{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ---------- cta ---------- */
.cta-panel{
  position:relative;overflow:hidden;text-align:center;
  background:var(--brand-soft);border:1px solid #D9E4F7;border-radius:var(--r-l);
  padding:56px 40px;
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(31,91,196,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(31,91,196,.05) 1px,transparent 1px);
  background-size:28px 28px;pointer-events:none;
}
.cta-panel > *{position:relative}
.cta-panel h2{font-size:30px;font-weight:700;line-height:1.4;margin-bottom:12px}
.cta-panel p{color:var(--text-2);font-size:16px;max-width:640px;margin:0 auto}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px}
.cta-note{font-size:13px;color:var(--text-3);margin-top:18px}

/* ---------- footer ---------- */
.site-footer{background:#fff;border-top:1px solid var(--border);margin-top:0}
.footer-main{padding:64px 0 40px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.footer-desc{font-size:14px;color:var(--text-2);line-height:1.8;max-width:290px;margin-top:12px}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--brand)}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.7}
.footer-contact i{color:var(--brand);margin-top:6px;flex:0 0 auto}
.footer-bottom{
  border-top:1px solid var(--border);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ---------- pagination ---------- */
.pager{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:40px}
.pager a,.pager span{
  min-width:44px;height:44px;padding:0 14px;border-radius:var(--r-s);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:600;border:1px solid var(--border);background:#fff;color:var(--text-2);
  transition:all var(--ease);
}
.pager a:hover{border-color:#C9D9F4;color:var(--brand);background:var(--brand-light)}
.pager .current{background:var(--brand);border-color:var(--brand);color:#fff}

/* ---------- responsive ---------- */
@media screen and (max-width:1199px){
  .page-hero h1{font-size:40px}
}
@media screen and (max-width:1023px){
  .nav-links{
    position:fixed;top:72px;left:0;right:0;z-index:70;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:8px 24px 24px;
    border-bottom:1px solid var(--border);
    box-shadow:0 18px 40px rgba(16,32,64,.12);
    opacity:0;visibility:hidden;transform:translateY(-12px);
    transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
  }
  .nav-links.is-open{opacity:1;visibility:visible;transform:none}
  .nav-links a{padding:14px 0;font-size:16px;border-bottom:1px solid var(--divider)}
  .nav-links a::after{display:none}
  .nav-cta .btn-outline{display:none}
  .nav-toggle{display:flex}
  .drawer-cta{display:inline-flex;margin-top:18px}
  .page-hero .hero-inner{padding:44px 0 60px}
  .hero-inner .progress-card{margin-top:32px}
  .section{padding:64px 0}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media screen and (max-width:767px){
  .page-hero h1{font-size:34px}
  .section-head h2{font-size:26px}
  .wide-card{grid-template-columns:1fr;gap:18px}
  .wide-thumb{width:100%;height:180px}
  .tier-rail{grid-template-columns:1fr;gap:22px}
  .tier-step{text-align:left;padding:0 0 0 46px}
  .tier-step::before{display:none}
  .step-dot{position:absolute;left:0;top:2px;margin:0}
  .cta-panel{padding:44px 24px}
  .cta-panel h2{font-size:25px}
}
@media screen and (max-width:519px){
  .container{padding:0 20px}
  .brand-text{font-size:16px}
  .nav-cta .btn-primary{display:none}
  .page-hero h1{font-size:28px}
  .hero-lead{font-size:16px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .stat-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .faq-item summary{font-size:16px;padding:16px 18px}
  .faq-answer{padding:0 18px 18px}
}