/* roulang page: index */
:root{
  --ink:#14151B; --ink-2:#1D1F27; --line-dark:#2A2C36;
  --brand:#8BE800; --brand-down:#78CC00; --accent:#FF2E7E; --accent-2:#FFB43A;
  --bg:#F5F4F0; --surface:#FFFFFF; --line:#E4E2DC;
  --t1:#14151B; --t2:#5B5F6B; --t3:#8A8D98; --t-inv:#F7F7F4;
  --r-card:16px; --r-btn:12px; --r-img:12px;
  --sh-soft:0 8px 24px rgba(20,21,27,.08);
  --sh-hard:0 6px 0 var(--ink);
  --sp:88px;
  --bs-primary:#8BE800; --bs-body-color:#14151B; --bs-body-bg:#F5F4F0;
  --bs-border-color:#E4E2DC; --bs-border-radius:12px;
  --bs-link-color:#14151B; --bs-link-hover-color:#78CC00;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--bg);color:var(--t1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.85;font-weight:400;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:var(--t1);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-down);}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.container{max-width:1200px;}
.section{padding:var(--sp) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.h2-title{font-size:34px;line-height:1.25;font-weight:800;letter-spacing:-0.01em;margin:0;}
.section-sub{font-size:15px;color:var(--t2);margin:12px 0 0;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--t2);margin-bottom:12px;}
.eyebrow::before{content:"";width:10px;height:10px;background:var(--brand);display:inline-block;}
.link-more{font-size:15px;font-weight:600;color:var(--t1);border-bottom:2px solid transparent;padding-bottom:2px;}
.link-more:hover{border-bottom-color:var(--brand);color:var(--t1);}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease;}
.site-header.scrolled{box-shadow:0 4px 16px rgba(20,21,27,.06);}
.nav-shell{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{width:36px;height:36px;background:var(--ink);position:relative;border-radius:8px;flex:0 0 36px;}
.brand-mark::before{content:"";position:absolute;left:7px;top:7px;width:8px;height:8px;background:var(--brand);}
.brand-mark::after{content:"";position:absolute;right:7px;bottom:7px;width:14px;height:8px;background:var(--accent-2);}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:16px;font-weight:800;letter-spacing:-0.01em;}
.brand-sub{font-size:11px;color:var(--t3);letter-spacing:.06em;text-transform:uppercase;font-family:"Barlow","Inter",sans-serif;}
.main-nav{display:flex;align-items:center;gap:28px;}
.main-nav a.nav-item{position:relative;font-size:15px;font-weight:600;color:var(--t1);padding:6px 0;}
.main-nav a.nav-item::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--brand);transition:width .22s ease;}
.main-nav a.nav-item:hover::after{width:100%;}
.main-nav a.nav-item.active::after{width:100%;}
.main-nav a.nav-item.active{font-weight:800;}
.nav-actions{display:flex;align-items:center;gap:16px;}
.nav-text-link{font-size:15px;font-weight:600;color:var(--t2);}
.nav-text-link:hover{color:var(--brand-down);}
.btn-brand{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;
  background:var(--brand);color:var(--ink);font-size:15px;font-weight:700;
  border:1px solid var(--ink);border-radius:var(--r-btn);box-shadow:var(--sh-hard);
  transform:translateY(0);transition:transform .16s ease,background .16s ease,box-shadow .16s ease;
}
.btn-brand:hover{background:var(--brand-down);color:var(--ink);transform:translateY(-2px);box-shadow:0 8px 0 var(--ink);}
.btn-brand:active{transform:translateY(0);box-shadow:0 2px 0 var(--ink);}
.btn-line{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;
  background:transparent;color:var(--t1);font-size:15px;font-weight:700;
  border:1.5px solid var(--ink);border-radius:var(--r-btn);transition:background .16s ease,color .16s ease,transform .16s ease;
}
.btn-line:hover{background:var(--ink);color:var(--t-inv);transform:translateY(-2px);}
.btn-line-inv{border-color:var(--t-inv);color:var(--t-inv);}
.btn-line-inv:hover{background:var(--brand);border-color:var(--brand);color:var(--ink);}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--t1);border-bottom:2px solid var(--line);padding-bottom:3px;transition:border-color .18s ease,color .18s ease;}
.btn-text:hover{border-color:var(--brand);color:var(--t1);}
.btn-lg-x{height:52px;padding:0 26px;font-size:16px;}
.offcanvas .oc-link{display:flex;align-items:center;height:48px;font-size:16px;font-weight:600;border-bottom:1px solid var(--line);color:var(--t1);}
.offcanvas .oc-link.active{color:var(--t1);font-weight:800;box-shadow:inset 3px 0 0 var(--brand);padding-left:12px;}
.burger{width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;display:inline-flex;align-items:center;justify-content:center;}
.burger span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);}
.burger span::before{top:-6px;} .burger span::after{top:6px;}

/* ---------- hero ---------- */
.hero{padding:64px 0 88px;position:relative;overflow:hidden;}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(20,21,27,.07) 1px,transparent 1px);background-size:14px 14px;opacity:.55;pointer-events:none;}
.hero .container{position:relative;}
.hero-title{font-size:50px;line-height:1.15;font-weight:800;letter-spacing:-0.01em;margin:0 0 20px;}
.hero-title .hl{position:relative;display:inline-block;}
.hero-title .hl::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:10px;background:var(--brand);z-index:-1;opacity:.85;}
.hero-sub{font-size:17px;line-height:1.8;color:var(--t2);margin:0 0 32px;max-width:520px;}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:40px;}
.stat-row{display:flex;flex-wrap:wrap;gap:0;}
.stat-item{padding:0 24px;border-left:1px solid var(--line);}
.stat-item:first-child{padding-left:0;border-left:0;}
.stat-num{font-family:"Barlow","Inter",sans-serif;font-size:26px;font-weight:800;line-height:1.2;letter-spacing:-0.02em;}
.stat-num em{font-style:normal;color:var(--brand-down);}
.stat-label{font-size:14px;color:var(--t3);}
.hero-visual{position:relative;min-height:420px;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line-dark);background:#14151B;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;box-shadow:var(--sh-soft);}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(140deg,rgba(20,21,27,.86) 0%,rgba(20,21,27,.55) 55%,rgba(20,21,27,.2) 100%);}
.hero-slash{position:absolute;left:-40px;bottom:56px;width:150%;height:84px;background:var(--brand);opacity:.9;transform:skewY(-6deg);z-index:2;}
.hero-dots{position:absolute;right:20px;top:20px;width:120px;height:120px;background-image:radial-gradient(rgba(255,255,255,.45) 1.5px,transparent 1.5px);background-size:12px 12px;z-index:3;}
.hero-card{position:absolute;right:-12px;bottom:-8px;width:250px;background:var(--surface);border-radius:var(--r-card);border:1px solid var(--line);box-shadow:0 16px 36px rgba(20,21,27,.18);overflow:hidden;z-index:4;}
.hero-card img{aspect-ratio:16/10;object-fit:cover;width:100%;}
.hero-card-body{padding:14px 16px 18px;}
.hero-card-body strong{display:block;font-size:15px;font-weight:800;}
.hero-card-body span{font-size:13px;color:var(--t3);}
.hero-tag{position:absolute;left:24px;top:24px;z-index:4;display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;border-radius:999px;background:var(--accent);color:#fff;font-size:13px;font-weight:600;letter-spacing:.02em;}

/* ---------- features ---------- */
.feature-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:32px;height:100%;transition:transform .2s ease,box-shadow .2s ease;}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-soft);}
.feature-no{font-family:"Barlow","Inter",sans-serif;font-size:40px;font-weight:800;line-height:1;color:var(--accent-2);letter-spacing:-0.02em;margin-bottom:16px;}
.feature-card h3{font-size:22px;line-height:1.35;font-weight:700;margin:0 0 12px;}
.feature-card p{font-size:15px;color:var(--t2);margin:0 0 16px;}
.dot-list{list-style:none;padding:0;margin:0;}
.dot-list li{position:relative;padding-left:20px;font-size:14px;color:var(--t2);line-height:1.9;}
.dot-list li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:6px;background:var(--brand);}

/* ---------- scenes ---------- */
.scene-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;height:100%;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;}
.scene-card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--sh-soft);}
.scene-thumb{overflow:hidden;aspect-ratio:16/9;background:var(--ink-2);}
.scene-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.scene-card:hover .scene-thumb img{transform:scale(1.03);}
.scene-body{padding:24px;}
.scene-body h3{font-size:20px;font-weight:700;line-height:1.4;margin:0 0 12px;}
.scene-body .link-more{display:inline-block;margin-top:16px;font-size:14px;}

/* ---------- cases ---------- */
.case-section{background:var(--ink);color:var(--t-inv);padding:var(--sp) 0;}
.case-section .h2-title{color:var(--t-inv);}
.case-section .section-sub{color:#A9ACB6;}
.case-card{background:var(--ink-2);border:1px solid var(--line-dark);border-radius:var(--r-card);padding:32px;height:100%;}
.case-tag{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;background:rgba(139,232,0,.14);color:var(--brand);font-size:13px;font-weight:600;letter-spacing:.02em;margin-bottom:18px;}
.case-card h3{font-size:20px;font-weight:700;color:var(--t-inv);margin:0 0 12px;}
.case-card p{font-size:15px;color:#A9ACB6;margin:0 0 20px;}
.case-metrics{display:flex;gap:28px;flex-wrap:wrap;border-top:1px solid var(--line-dark);padding-top:18px;}
.case-metrics div span{display:block;font-family:"Barlow","Inter",sans-serif;font-size:22px;font-weight:800;color:var(--brand);letter-spacing:-0.01em;}
.case-metrics div small{font-size:13px;color:#8A8D98;}
.badge-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:32px;}
.metric-badge{display:inline-flex;align-items:center;gap:10px;background:var(--ink-2);border:1px solid var(--line-dark);border-radius:999px;padding:8px 18px;font-size:14px;color:#C9CBD3;}
.metric-badge b{font-family:"Barlow","Inter",sans-serif;color:var(--brand);font-size:16px;font-weight:800;}

/* ---------- price ---------- */
.price-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:32px 28px;height:100%;display:flex;flex-direction:column;position:relative;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--sh-soft);}
.price-card.featured{border:1px solid var(--brand);transform:translateY(-8px);box-shadow:0 12px 30px rgba(20,21,27,.12);}
.price-card.featured:hover{transform:translateY(-12px);}
.price-pill{position:absolute;top:-12px;left:28px;height:24px;padding:0 12px;border-radius:999px;background:var(--accent);color:#fff;font-size:13px;font-weight:600;letter-spacing:.02em;display:inline-flex;align-items:center;}
.price-name{font-size:20px;font-weight:700;margin:0 0 8px;}
.price-value{font-family:"Barlow","Inter",sans-serif;font-size:40px;font-weight:800;line-height:1.1;letter-spacing:-0.02em;}
.price-value small{font-family:"PingFang SC","Microsoft YaHei",sans-serif;font-size:14px;font-weight:500;color:var(--t3);margin-left:4px;}
.price-cycle{font-size:14px;color:var(--t3);margin:6px 0 20px;}
.price-feats{list-style:none;padding:0;margin:0 0 24px;flex:1;}
.price-feats li{font-size:14px;color:var(--t2);line-height:1.95;display:flex;gap:8px;align-items:flex-start;}
.price-feats li i{color:var(--brand-down);font-style:normal;font-weight:800;}
.price-feats li.off{color:var(--t3);text-decoration:line-through;}
.price-feats li.off i{color:var(--t3);text-decoration:none;}
.price-note{font-size:14px;color:var(--t3);text-align:center;margin-top:32px;}

/* ---------- news ---------- */
.filter-pills{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px;}
.pill{display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font-size:14px;color:var(--t2);cursor:pointer;transition:all .18s ease;}
.pill:hover{border-color:var(--ink);color:var(--t1);}
.pill.active{background:var(--ink);color:var(--t-inv);border-color:var(--ink);}
.news-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;height:100%;display:flex;flex-direction:column;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;}
.news-card:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--sh-soft);}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--ink-2);}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.news-badge{display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;background:rgba(139,232,0,.16);color:#3E6B00;font-size:13px;font-weight:600;letter-spacing:.02em;margin-bottom:14px;align-self:flex-start;}
.news-title{font-size:18px;font-weight:700;line-height:1.45;margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-title a:hover{color:var(--brand-down);}
.news-excerpt{font-size:14px;color:var(--t2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0 0 20px;}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:14px;}
.news-time{font-size:14px;color:var(--t3);font-variant-numeric:tabular-nums;}
.news-more{font-size:14px;font-weight:700;color:var(--t1);}
.news-more:hover{color:var(--brand-down);}
.empty-state{max-height:220px;border:1px dashed var(--line);border-radius:var(--r-card);background:var(--surface);padding:32px;text-align:center;}
.empty-state .ico{width:40px;height:40px;margin:0 auto 12px;background:var(--brand);border-radius:8px;opacity:.5;}
.empty-state p{font-size:15px;color:var(--t2);margin:0 0 16px;}

/* ---------- faq ---------- */
.accordion-item{background:var(--surface);border:1px solid var(--line)!important;border-radius:var(--r-card)!important;margin-bottom:12px;overflow:hidden;}
.accordion-button{position:relative;background:var(--surface);color:var(--t1);font-size:17px;font-weight:700;line-height:1.6;padding:22px 24px;box-shadow:none!important;}
.accordion-button:not(.collapsed){background:var(--surface);color:var(--t1);}
.accordion-button:not(.collapsed)::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;background:var(--brand);}
.accordion-button::after{transition:transform .18s ease;background-size:14px;width:16px;height:16px;}
.accordion-button:focus{outline:2px solid var(--brand);outline-offset:2px;}
.accordion-body{font-size:15px;line-height:1.85;color:var(--t2);padding:0 24px 24px;}
.faq-wrap{max-width:900px;margin:0 auto;}

/* ---------- cta ---------- */
.cta-band{background:var(--ink);color:var(--t-inv);padding:64px 0 72px;position:relative;overflow:hidden;}
.cta-band::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:8px;background:linear-gradient(90deg,var(--brand) 0 46%,var(--accent) 46% 58%,var(--accent-2) 58% 74%,var(--brand) 74% 100%);transform:skewY(-1deg);}
.cta-band h2{color:var(--t-inv);font-size:32px;font-weight:800;line-height:1.3;margin:0 0 12px;letter-spacing:-0.01em;}
.cta-band p{color:#A9ACB6;font-size:15px;margin:0;}
.cta-actions{display:flex;gap:16px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#C9CBD3;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--ink-2);}
.footer-brand .brand-mark::before{background:var(--brand);}
.footer-name{font-size:16px;font-weight:800;color:var(--t-inv);line-height:1.2;}
.footer-sub{font-size:11px;color:#7C7F8A;letter-spacing:.06em;text-transform:uppercase;font-family:"Barlow","Inter",sans-serif;}
.footer-desc{font-size:14px;line-height:1.85;color:#8A8D98;margin:0;}
.footer-title{font-size:15px;font-weight:800;color:var(--t-inv);margin:0 0 16px;}
.footer-links{list-style:none;padding:0;margin:0;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:15px;color:#C9CBD3;}
.footer-links a:hover{color:var(--brand);}
.footer-form input{width:100%;height:48px;border-radius:var(--r-btn);border:1px solid var(--line-dark);background:var(--ink-2);color:var(--t-inv);padding:0 16px;font-size:14px;margin-bottom:12px;}
.footer-form input::placeholder{color:#6E717C;}
.footer-form input:focus{outline:2px solid var(--brand);outline-offset:2px;border-color:var(--brand);}
.footer-form button{width:100%;height:48px;border:0;border-radius:var(--r-btn);background:var(--brand);color:var(--ink);font-size:15px;font-weight:800;transition:background .16s ease;}
.footer-form button:hover{background:var(--brand-down);}
.footer-bottom{margin-top:48px;border-top:1px solid var(--line-dark);padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#7C7F8A;}
.footer-bottom a{color:#7C7F8A;}
.footer-bottom a:hover{color:var(--brand);}

@media (max-width:1199.98px){
  :root{--sp:72px;}
  .hero-title{font-size:42px;}
  .hero-visual{min-height:360px;}
  .hero-card{width:210px;}
}
@media (max-width:991.98px){
  :root{--sp:64px;}
  .main-nav{display:none;}
  .nav-text-link{display:none;}
  .hero{padding:40px 0 64px;}
  .hero-title{font-size:36px;}
  .hero-visual{margin-top:40px;min-height:320px;}
  .h2-title{font-size:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .price-card.featured{transform:none;}
  .price-card.featured:hover{transform:translateY(-4px);}
}
@media (max-width:767.98px){
  :root{--sp:48px;}
  body{font-size:15px;}
  .hero-title{font-size:31px;}
  .hero-sub{font-size:16px;}
  .h2-title{font-size:24px;}
  .stat-item{padding:0 16px;}
  .stat-num{font-size:22px;}
  .hero-card{display:none;}
  .feature-card,.scene-body,.news-body,.case-card,.price-card{padding:20px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band h2{font-size:24px;}
}
@media (max-width:575.98px){
  .hero-btns .btn-brand,.hero-btns .btn-line{width:100%;justify-content:center;}
  .stat-row{gap:16px 0;}
}

/* roulang page: article */
:root{
  --ink:#14151B;--ink-2:#1D1F27;--line-dark:#2A2C36;
  --brand:#8BE800;--brand-down:#78CC00;--accent:#FF2E7E;--accent-2:#FFB43A;
  --bg:#F5F4F0;--surface:#FFFFFF;--line:#E4E2DC;
  --t1:#14151B;--t2:#5B5F6B;--t3:#8A8D98;--t-inv:#F7F7F4;
  --r-card:16px;--r-btn:12px;--r-pill:999px;
  --shadow:0 8px 24px rgba(20,21,27,.08);
  --shadow-soft:0 4px 16px rgba(20,21,27,.06);
  --bs-primary:#8BE800;--bs-body-color:#14151B;--bs-body-bg:#F5F4F0;
  --bs-border-color:#E4E2DC;--bs-border-radius:16px;--bs-link-color:#14151B;--bs-link-hover-color:#78CC00;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--t1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.85;
  font-variant-numeric:tabular-nums;
}
.num,input,time,.metric{font-family:"Barlow","Inter","PingFang SC","Microsoft YaHei",sans-serif;font-variant-numeric:tabular-nums}
img{max-width:100%;height:auto;display:block}
a{color:var(--t1);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-down)}
button{font-family:inherit}
.container{max-width:1200px;padding-left:16px;padding-right:16px;margin-left:auto;margin-right:auto}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:var(--surface);
  border-bottom:1px solid var(--line);transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-soft)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--ink);
  display:grid;grid-template-columns:1fr 1fr;gap:3px;padding:6px;flex:0 0 auto;
}
.brand-mark i{display:block;border-radius:2px;background:var(--brand)}
.brand-mark i:nth-child(2){background:var(--accent)}
.brand-mark i:nth-child(3){background:var(--t-inv)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.01em}
.brand-sub{font-size:11px;font-weight:600;color:var(--t3);letter-spacing:.14em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:28px}
.nav-item{
  position:relative;font-size:15px;font-weight:600;color:var(--t1);padding:6px 0;white-space:nowrap;
}
.nav-item::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-item:hover::after,.nav-item:focus-visible::after{transform:scaleX(1)}
.nav-item.active{font-weight:800}
.nav-item.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:16px}
.text-entry{font-size:15px;font-weight:600;color:var(--t2);border-bottom:1px dashed var(--line);padding-bottom:2px}
.text-entry:hover{color:var(--brand-down);border-color:var(--brand-down)}
.btn-cta{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-btn);
  background:var(--brand);color:var(--ink);font-size:15px;font-weight:800;
  box-shadow:0 6px 0 var(--ink);transition:transform .16s ease,background .16s ease,box-shadow .16s ease;
}
.btn-cta:hover{background:var(--brand-down);color:var(--ink);transform:translateY(-2px);box-shadow:0 8px 0 var(--ink)}
.btn-cta:active{transform:translateY(0);box-shadow:0 2px 0 var(--ink)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:var(--surface);align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);margin:3px auto;border-radius:2px}
.mobile-nav{border-top:1px solid var(--line);background:var(--surface)}
.mobile-nav a{display:block;line-height:48px;padding:0 20px;font-size:15px;font-weight:600;border-bottom:1px solid var(--line)}
.mobile-nav a.active{color:var(--brand-down)}
.mobile-cta{margin:16px 20px 20px}
.mobile-cta .btn-cta{width:100%;justify-content:center}

/* ---------- breadcrumb ---------- */
.breadcrumb-bar{background:var(--surface);border-bottom:1px solid var(--line)}
.breadcrumb-list{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;padding:14px 0;font-size:14px;color:var(--t3)}
.breadcrumb-list li{display:flex;align-items:center;gap:8px;min-width:0}
.breadcrumb-list li+li::before{content:"/";color:var(--t3)}
.breadcrumb-list a{color:var(--t2);font-weight:600}
.breadcrumb-list a:hover{color:var(--brand-down)}
.breadcrumb-list .current{color:var(--t3);max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;color:var(--t-inv);overflow:hidden;
  background-image:linear-gradient(115deg,rgba(20,21,27,.94) 0%,rgba(20,21,27,.86) 52%,rgba(29,31,39,.92) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  padding:64px 0 56px;
}
.article-hero::after{
  content:"";position:absolute;right:-80px;top:-60px;width:320px;height:320px;transform:rotate(18deg);
  background-image:radial-gradient(rgba(139,232,0,.32) 1.6px,transparent 1.6px);
  background-size:12px 12px;opacity:.6;pointer-events:none;
}
.article-hero .container{position:relative;z-index:2}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(139,232,0,.16);color:var(--brand);font-size:13px;font-weight:600;letter-spacing:.02em;
  border:1px solid rgba(139,232,0,.32);margin-bottom:20px;
}
.article-hero h1{
  font-size:40px;line-height:1.22;font-weight:800;letter-spacing:-.01em;color:var(--t-inv);
  margin:0 0 20px;max-width:900px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:14px;color:#B9BCC6}
.meta-row .chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--brand);color:var(--ink);font-size:13px;font-weight:700;
}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item strong{color:var(--t-inv);font-weight:700}
.meta-divider{width:1px;height:14px;background:var(--line-dark)}
.hero-cover{
  margin-top:36px;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line-dark);
}
.hero-cover img{width:100%;aspect-ratio:16/7;object-fit:cover}

/* ---------- layout ---------- */
.page-wrap{padding:56px 0 80px}
.article-axis{max-width:760px;margin:0 auto}
.section-title{font-size:32px;line-height:1.25;font-weight:800;letter-spacing:-.01em;margin:0 0 8px}
.section-sub{font-size:15px;color:var(--t2);margin:0 0 28px}

/* ---------- article body ---------- */
.article-body{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:40px 44px;font-size:17px;line-height:1.9;color:var(--t1);
}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:26px;font-weight:800;line-height:1.35;letter-spacing:-.01em;
  margin:40px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;background:var(--brand);
}
.article-body h3{font-size:20px;font-weight:700;line-height:1.4;margin:28px 0 12px}
.article-body h4{font-size:18px;font-weight:700;margin:24px 0 10px}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:0;list-style:none}
.article-body ol{counter-reset:li}
.article-body ul li,.article-body ol li{position:relative;padding-left:22px;margin:.45em 0;line-height:1.8}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--brand);
}
.article-body ol li::before{
  counter-increment:li;content:counter(li);position:absolute;left:0;top:.28em;
  width:18px;height:18px;border-radius:6px;background:var(--ink);color:var(--brand);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;border-left:4px solid var(--accent-2);
  background:#FFFCF3;border-radius:0 12px 12px 0;color:var(--t2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body pre{
  margin:24px 0;padding:16px 18px;background:#F0EFEA;border:1px solid var(--line);
  border-radius:12px;overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-body code{background:#F0EFEA;border-radius:6px;padding:2px 6px;font-size:14px}
.article-body pre code{background:none;padding:0}
.article-body img{border-radius:12px;margin:24px auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--t3);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body thead th{background:var(--ink);color:var(--t-inv);text-align:left;padding:12px 16px;font-weight:600}
.article-body tbody td{padding:12px 16px;border-bottom:1px solid var(--line);color:var(--t2)}
.article-body tbody tr:nth-child(even){background:#FAF9F5}
.article-body a{color:var(--brand-down);border-bottom:1px solid rgba(120,204,0,.4)}
.article-body a:hover{color:var(--ink);border-color:var(--ink)}

.article-empty{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:56px 32px;text-align:center;
}
.article-empty .icon{
  width:40px;height:40px;margin:0 auto 16px;border-radius:10px;background:var(--ink);
  display:flex;align-items:center;justify-content:center;color:var(--brand);font-weight:800;
}
.article-empty h2{font-size:24px;font-weight:800;margin:0 0 8px}
.article-empty p{color:var(--t2);margin:0 0 24px}

/* ---------- tags & nav cards ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.tag-pill{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:#EDEBE4;color:var(--t2);font-size:13px;font-weight:600;
}
.tag-pill:hover{background:var(--brand);color:var(--ink)}

.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:32px}
.post-nav-card{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.post-nav-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--brand);color:var(--t1)}
.post-nav-card .direction{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.02em}
.post-nav-card .title{
  font-size:17px;font-weight:700;line-height:1.5;margin-top:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-nav-card.next{text-align:right}
.post-nav-card.next .direction{color:var(--brand-down)}
.back-center{display:flex;justify-content:center;margin-top:32px}

/* ---------- buttons ---------- */
.btn-main{
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-btn);
  background:var(--brand);color:var(--ink);font-size:15px;font-weight:800;border:none;cursor:pointer;
  box-shadow:0 6px 0 var(--ink);transition:transform .16s ease,background .16s ease,box-shadow .16s ease;
}
.btn-main:hover{background:var(--brand-down);color:var(--ink);transform:translateY(-2px);box-shadow:0 8px 0 var(--ink)}
.btn-main:active{transform:translateY(0);box-shadow:0 2px 0 var(--ink)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-btn);
  background:transparent;border:1.5px solid var(--ink);color:var(--ink);font-size:15px;font-weight:700;
  transition:background .16s ease,color .16s ease,transform .16s ease;
}
.btn-ghost:hover{background:var(--ink);color:var(--brand);transform:translateY(-2px)}
.btn-ghost.on-dark{border-color:rgba(247,247,244,.4);color:var(--t-inv)}
.btn-ghost.on-dark:hover{background:var(--t-inv);color:var(--ink)}
.btn-line{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--brand-down);
  border-bottom:2px solid var(--brand);padding-bottom:3px;transition:transform .18s ease,color .18s ease;
}
.btn-line:hover{transform:translateX(3px);color:var(--ink);border-color:var(--ink)}

/* ---------- related cards ---------- */
.related{margin-top:72px}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.content-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.content-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--brand);color:var(--t1)}
.card-cover{position:relative;overflow:hidden;background:#EDEBE4}
.card-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}
.content-card:hover .card-cover img{transform:scale(1.03)}
.card-badge{
  position:absolute;left:12px;top:12px;display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.94);color:var(--ink);font-size:12px;font-weight:700;
}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.card-body h3{
  font-size:18px;font-weight:700;line-height:1.5;margin:0 0 8px;letter-spacing:-.01em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body p{
  font-size:14px;color:var(--t2);line-height:1.7;margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:14px;color:var(--t3);padding-top:14px;border-top:1px solid var(--line);
}
.card-foot .more{color:var(--brand-down);font-weight:700}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:var(--t-inv);padding:64px 0}
.cta-band::before{
  content:"";position:absolute;left:-60px;bottom:-80px;width:280px;height:280px;transform:rotate(-14deg);
  background-image:radial-gradient(rgba(139,232,0,.28) 1.6px,transparent 1.6px);background-size:12px 12px;opacity:.7;
}
.cta-band .container{position:relative;z-index:2}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;border-radius:20px}
.cta-inner h2{font-size:30px;font-weight:800;line-height:1.3;margin:0 0 10px;color:var(--t-inv)}
.cta-inner p{margin:0;color:#B9BCC6;font-size:15px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-stripe{position:absolute;left:0;right:0;bottom:0;height:8px;background:var(--brand);transform:skewY(-.6deg);transform-origin:left}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--t-inv);padding:64px 0 24px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{width:34px;height:34px}
.footer-name{display:block;font-size:17px;font-weight:800;color:var(--t-inv)}
.footer-sub{display:block;font-size:11px;font-weight:600;color:#8A8D98;letter-spacing:.14em;text-transform:uppercase}
.footer-desc{font-size:14px;line-height:1.8;color:#B9BCC6;margin:0;max-width:360px}
.footer-title{font-size:15px;font-weight:800;color:var(--t-inv);margin:0 0 16px}
.footer-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:15px;color:#B9BCC6}
.footer-links a:hover{color:var(--brand)}
.footer-form{display:flex;flex-direction:column;gap:12px}
.footer-form input{
  height:48px;border-radius:var(--r-btn);border:1px solid var(--line-dark);background:#1B1D24;
  color:var(--t-inv);padding:0 16px;font-size:15px;
}
.footer-form input::placeholder{color:#7C8090}
.footer-form input:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 2px rgba(139,232,0,.28)}
.footer-form button{
  height:48px;border-radius:var(--r-btn);border:none;background:var(--brand);color:var(--ink);
  font-size:15px;font-weight:800;cursor:pointer;transition:background .16s ease;
}
.footer-form button:hover{background:var(--brand-down)}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid var(--line-dark);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:14px;color:#8A8D98;
}
.footer-bottom a{color:#B9BCC6}
.footer-bottom a:hover{color:var(--brand)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .article-hero h1{font-size:36px}
  .article-body{padding:32px 28px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .footer-grid>div:last-child{grid-column:span 3}
}
@media (max-width:991px){
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .text-entry{display:none}
  .header-inner{height:64px}
  .article-hero{padding:48px 0 44px}
  .page-wrap{padding:40px 0 56px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-grid>div:last-child{grid-column:span 2}
  .cta-inner h2{font-size:26px}
}
@media (max-width:767px){
  body{font-size:15px}
  .article-hero h1{font-size:30px}
  .article-body{font-size:16px;padding:24px 20px}
  .article-body h2{font-size:22px;margin-top:32px}
  .article-body h3{font-size:18px}
  .section-title{font-size:24px}
  .card-grid{grid-template-columns:1fr}
  .post-nav{grid-template-columns:1fr;gap:16px}
  .post-nav-card.next{text-align:left}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid>div:last-child{grid-column:span 1}
  .cta-band{padding:48px 0}
  .cta-inner h2{font-size:22px}
  .btn-main,.btn-ghost{width:100%;justify-content:center}
  .cta-actions{width:100%}
  .header-actions .btn-cta{padding:0 14px;font-size:14px}
}
@media (max-width:519px){
  .brand-name{font-size:15px}
  .breadcrumb-list .current{max-width:180px}
  .article-hero .hero-cover{margin-top:24px}
  .header-actions{gap:10px}
  .header-actions .btn-cta span.label{display:none}
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
    :root{
      --ink:#14151B;
      --ink-2:#1D1F27;
      --line-dark:#2A2C36;
      --brand:#8BE800;
      --brand-down:#78CC00;
      --accent:#FF2E7E;
      --accent-2:#FFB43A;
      --bg:#F5F4F0;
      --surface:#FFFFFF;
      --line:#E4E2DC;
      --t1:#14151B;
      --t2:#5B5F6B;
      --t3:#8A8D98;
      --t-inv:#F7F7F4;
      --r-card:16px;
      --r-btn:12px;
      --r-pill:999px;
      --shadow-card:0 8px 24px rgba(20,21,27,.08);
      --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      --font-num:"Barlow","Inter",sans-serif;

      /* Bootstrap 覆盖 */
      --bs-primary:#8BE800;
      --bs-body-color:#14151B;
      --bs-body-bg:#F5F4F0;
      --bs-border-color:#E4E2DC;
      --bs-border-radius:16px;
      --bs-border-radius-sm:12px;
      --bs-link-color:#14151B;
      --bs-link-hover-color:#78CC00;
      --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    }

    /* ===== 基础 reset ===== */
    *,*::before,*::after{box-sizing:border-box}
    html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font-cn);
      font-size:16px;
      line-height:1.85;
      color:var(--t1);
      background:var(--bg);
      -webkit-font-smoothing:antialiased;
    }
    h1,h2,h3,h4,p,ul,ol,figure{margin:0}
    ul,ol{padding:0;list-style:none}
    img{max-width:100%;display:block}
    a{color:inherit;text-decoration:none;transition:color .16s ease,opacity .16s ease}
    button,input{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:2px solid var(--brand);outline-offset:2px}
    .num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

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

    /* ===== 按钮 ===== */
    .btn-brand{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      height:48px;padding:0 24px;
      background:var(--brand);color:var(--ink);
      font-size:15px;font-weight:700;letter-spacing:-.01em;
      border:0;border-radius:var(--r-btn);
      box-shadow:0 6px 0 var(--ink);
      transition:transform .16s ease,box-shadow .16s ease,background .16s ease;
    }
    .btn-brand:hover{background:var(--brand-down);transform:translateY(-2px);box-shadow:0 8px 0 var(--ink);color:var(--ink)}
    .btn-brand:active{transform:translateY(0);box-shadow:0 3px 0 var(--ink)}
    .btn-brand .arrow{font-family:var(--font-num);font-weight:700}

    .btn-ghost{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      height:48px;padding:0 24px;
      background:transparent;color:var(--t1);
      font-size:15px;font-weight:700;
      border:1.5px solid var(--ink);border-radius:var(--r-btn);
      transition:background .16s ease,color .16s ease,transform .16s ease;
    }
    .btn-ghost:hover{background:var(--ink);color:var(--t-inv);transform:translateY(-2px)}
    .btn-ghost:active{transform:translateY(0)}

    .btn-ghost-sm{
      display:inline-flex;align-items:center;gap:8px;
      height:44px;padding:0 20px;
      background:transparent;color:var(--t1);
      font-size:15px;font-weight:700;
      border:1.5px solid var(--ink);border-radius:var(--r-btn);
      transition:background .16s ease,color .16s ease,transform .16s ease;
    }
    .btn-ghost-sm:hover{background:var(--ink);color:var(--t-inv);transform:translateY(-2px)}
    .btn-ghost-sm .arrow{font-family:var(--font-num)}

    .btn-text{
      display:inline-flex;align-items:center;gap:6px;
      font-size:15px;font-weight:700;color:var(--t1);
      padding-bottom:2px;border-bottom:2px solid var(--brand);
      transition:border-color .16s ease,color .16s ease;
    }
    .btn-text:hover{color:var(--brand-down);border-color:var(--brand-down)}

    .btn-inv{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      height:48px;padding:0 24px;
      background:var(--brand);color:var(--ink);
      font-size:15px;font-weight:700;border:0;border-radius:var(--r-btn);
      box-shadow:0 6px 0 rgba(0,0,0,.35);
      transition:transform .16s ease,box-shadow .16s ease,background .16s ease;
    }
    .btn-inv:hover{background:var(--brand-down);transform:translateY(-2px);box-shadow:0 8px 0 rgba(0,0,0,.35)}
    .btn-inv:active{transform:translateY(0);box-shadow:0 3px 0 rgba(0,0,0,.35)}

    .btn-inv-ghost{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      height:48px;padding:0 24px;
      background:transparent;color:var(--t-inv);
      font-size:15px;font-weight:700;
      border:1.5px solid var(--line-dark);border-radius:var(--r-btn);
      transition:border-color .16s ease,color .16s ease,transform .16s ease;
    }
    .btn-inv-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}

    /* ===== 顶栏导航 ===== */
    .site-header{
      position:sticky;top:0;z-index:1040;
      background:#FFFFFF;
      border-bottom:1px solid var(--line);
      transition:box-shadow .2s ease;
    }
    .site-header.is-scrolled{box-shadow:0 4px 16px rgba(20,21,27,.06)}
    .header-inner{display:flex;align-items:center;gap:32px;min-height:72px}

    .brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
    .brand-mark{
      position:relative;width:36px;height:36px;border-radius:8px;
      background:var(--ink);flex-shrink:0;
      background-image:radial-gradient(rgba(139,232,0,.35) 1px,transparent 1px);
      background-size:6px 6px;
    }
    .brand-mark::before{content:"";position:absolute;left:7px;top:8px;width:9px;height:9px;background:var(--brand)}
    .brand-mark::after{content:"";position:absolute;right:7px;top:8px;width:9px;height:9px;background:var(--accent-2)}
    .brand-name{display:block;font-size:16px;font-weight:800;letter-spacing:-.01em;line-height:1.25}
    .brand-sub{display:block;font-size:11px;font-family:var(--font-num);font-weight:600;letter-spacing:.08em;color:var(--t3);text-transform:uppercase;line-height:1.4}

    .nav-collapse{display:flex;align-items:center;justify-content:space-between;flex:1;gap:24px}
    .main-nav{display:flex;align-items:center;gap:28px}
    .nav-item{
      position:relative;
      font-size:15px;font-weight:600;color:var(--t1);
      padding:6px 0;white-space:nowrap;
    }
    .nav-item::after{
      content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
      background:var(--brand);transition:width .2s ease;
    }
    .nav-item:hover::after{width:100%}
    .nav-item:hover{color:var(--ink)}
    .nav-item.active{font-weight:800}
    .nav-item.active::after{width:100%}

    .nav-actions{display:flex;align-items:center;gap:16px}
    .btn-nav{height:44px;padding:0 20px;font-size:15px;box-shadow:0 4px 0 var(--ink)}
    .btn-nav:hover{transform:translateY(-2px);box-shadow:0 6px 0 var(--ink)}
    .nav-text-link{font-size:15px;font-weight:600;color:var(--t2);white-space:nowrap}
    .nav-text-link:hover{color:var(--ink)}

    .nav-toggle{
      display:none;width:44px;height:44px;margin-left:auto;
      flex-direction:column;justify-content:center;align-items:center;gap:5px;
      background:var(--surface);border:1px solid var(--line);border-radius:var(--r-btn);
    }
    .nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);transition:transform .2s ease}

    /* ===== 面包屑 ===== */
    .crumb{padding:20px 0 0;font-size:14px;color:var(--t3)}
    .crumb a{color:var(--t2)}
    .crumb a:hover{color:var(--brand-down)}
    .crumb .sep{margin:0 8px;color:var(--t3)}
    .crumb .current{color:var(--t3)}

    /* ===== 分类 Hero ===== */
    .page-hero{
      position:relative;
      padding:40px 0 72px;
      background:var(--bg);
      overflow:hidden;
    }
    .page-hero::before{
      content:"";position:absolute;inset:0;pointer-events:none;
      background-image:radial-gradient(rgba(20,21,27,.08) 1px,transparent 1px);
      background-size:16px 16px;
      -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 72%);
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 72%);
    }
    .hero-grid{
      position:relative;z-index:1;
      display:grid;grid-template-columns:1.35fr 1fr;gap:48px;align-items:center;
    }
    .hero-tag{
      display:inline-flex;align-items:center;gap:8px;
      height:28px;padding:0 14px;margin-bottom:20px;
      background:var(--ink);color:var(--brand);
      font-size:13px;font-weight:600;letter-spacing:.02em;
      border-radius:var(--r-pill);
    }
    .hero-tag::before{content:"";width:8px;height:8px;background:var(--brand);border-radius:2px}
    .page-hero h1{
      font-size:clamp(32px,4.2vw,50px);
      font-weight:800;line-height:1.15;letter-spacing:-.01em;
      margin-bottom:20px;
    }
    .page-hero h1 em{font-style:normal;position:relative;z-index:1}
    .page-hero h1 em::after{
      content:"";position:absolute;left:0;right:0;bottom:4px;height:10px;
      background:var(--brand);opacity:.55;z-index:-1;
    }
    .hero-lead{font-size:17px;line-height:1.85;color:var(--t2);max-width:620px;margin-bottom:32px}
    .hero-btns{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:32px}
    .hero-stats{display:flex;flex-wrap:wrap;align-items:center;gap:24px}
    .hero-stat{display:flex;flex-direction:column;gap:2px}
    .hero-stat .v{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:24px;font-weight:800;line-height:1.2}
    .hero-stat .k{font-size:14px;color:var(--t2)}
    .stat-divider{width:1px;height:36px;background:var(--line)}

    .hero-media{
      position:relative;border-radius:var(--r-card);overflow:hidden;
      border:1px solid var(--line);background:var(--ink);
      box-shadow:var(--shadow-card);
    }
    .hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
    .hero-media::after{
      content:"";position:absolute;right:-32px;bottom:-32px;width:120px;height:120px;
      background:var(--brand);transform:rotate(18deg);opacity:.9;
    }
    .hero-chip{
      position:absolute;left:20px;bottom:20px;z-index:2;
      display:inline-flex;align-items:center;gap:8px;
      background:#FFFFFF;color:var(--ink);
      font-size:13px;font-weight:600;letter-spacing:.02em;
      padding:8px 14px;border-radius:var(--r-pill);
      box-shadow:0 8px 24px rgba(20,21,27,.18);
    }
    .hero-chip .dot{width:8px;height:8px;border-radius:50%;background:var(--accent)}

    /* ===== 板块通用 ===== */
    .section{padding:88px 0}
    .section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .section-dark{background:var(--ink);color:var(--t-inv)}
    .section-head{max-width:680px;margin-bottom:48px}
    .section-title{font-size:clamp(24px,3vw,35px);font-weight:800;line-height:1.25;letter-spacing:-.01em}
    .section-desc{font-size:16px;color:var(--t2);margin-top:12px}
    .section-dark .section-desc{color:#A9ACB6}

    /* ===== 错落图文行 ===== */
    .zigzag-row{
      display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
      padding:32px 0;
    }
    .zigzag-row + .zigzag-row{border-top:1px dashed var(--line);margin-top:16px;padding-top:48px}
    .zigzag-row.reverse .zigzag-media{order:2}
    .zigzag-media{
      position:relative;border-radius:var(--r-card);overflow:hidden;
      border:1px solid var(--line);background:var(--surface);
      box-shadow:var(--shadow-card);
    }
    .zigzag-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}
    .zigzag-media:hover img{transform:scale(1.03)}
    .zigzag-index{
      position:absolute;left:16px;top:16px;z-index:2;
      font-family:var(--font-num);font-variant-numeric:tabular-nums;
      font-size:13px;font-weight:700;letter-spacing:.06em;
      background:var(--ink);color:var(--brand);
      padding:6px 12px;border-radius:var(--r-pill);
    }
    .zigzag-body h3{font-size:24px;font-weight:700;line-height:1.35;margin-bottom:12px}
    .zigzag-body .lead{font-size:16px;color:var(--t2);margin-bottom:16px}
    .check-list{margin-bottom:24px}
    .check-list li{
      position:relative;padding-left:20px;margin-bottom:8px;
      font-size:15px;color:var(--t2);
    }
    .check-list li::before{
      content:"";position:absolute;left:0;top:11px;
      width:8px;height:8px;background:var(--brand);
    }

    /* ===== 数据指标 ===== */
    .metrics{
      display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
      background:var(--surface);border:1px solid var(--line);
      border-radius:var(--r-card);padding:32px;
      box-shadow:var(--shadow-card);
    }
    .metric .v{
      font-family:var(--font-num);font-variant-numeric:tabular-nums;
      font-size:34px;font-weight:800;line-height:1.15;
    }
    .metric .v::after{content:"";display:block;width:44px;height:3px;background:var(--brand);margin-top:12px}
    .metric .k{font-size:14px;color:var(--t2);margin-top:12px}

    /* ===== FAQ ===== */
    .accordion{
      --bs-accordion-border-color:var(--line);
      --bs-accordion-active-bg:var(--surface);
      --bs-accordion-active-color:var(--t1);
      --bs-accordion-btn-focus-box-shadow:0 0 0 2px rgba(139,232,0,.5);
      --bs-accordion-btn-padding-x:24px;
      --bs-accordion-body-padding-x:24px;
    }
    .accordion-item{
      border:1px solid var(--line);
      border-radius:var(--r-card) !important;
      background:var(--surface);
      margin-bottom:16px;
      overflow:hidden;
    }
    .accordion-button{
      background:var(--surface);
      color:var(--t1);
      font-size:17px;font-weight:700;line-height:1.5;
      padding:20px 24px;
      border-radius:var(--r-card) !important;
    }
    .accordion-button::before{
      content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
      background:var(--brand);opacity:0;transition:opacity .18s ease;
    }
    .accordion-button:not(.collapsed)::before{opacity:1}
    .accordion-button:not(.collapsed){color:var(--t1);background:var(--surface);box-shadow:none}
    .accordion-button::after{
      width:14px;height:14px;background-size:14px;
      transition:transform .18s ease;
      filter:invert(6%) sepia(8%) saturate(600%) hue-rotate(180deg);
      opacity:.7;
    }
    .accordion-button:hover{background:#FAFAF7}
    .accordion-body{padding:0 24px 24px;font-size:15px;line-height:1.85;color:var(--t2)}

    /* ===== 结尾 CTA ===== */
    .cta-band{
      position:relative;background:var(--ink);color:var(--t-inv);
      padding:64px 0 72px;overflow:hidden;
    }
    .cta-band::before{
      content:"";position:absolute;left:-40px;top:-60px;width:240px;height:240px;
      background-image:radial-gradient(rgba(139,232,0,.28) 1px,transparent 1px);
      background-size:14px 14px;transform:rotate(8deg);
    }
    .cta-band::after{
      content:"";position:absolute;left:-5%;right:-5%;bottom:-6px;height:12px;
      background:var(--brand);transform:skewY(-1.4deg);
    }
    .cta-inner{
      position:relative;z-index:1;
      display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
    }
    .cta-inner h2{font-size:clamp(24px,2.6vw,31px);font-weight:800;line-height:1.3;letter-spacing:-.01em}
    .cta-inner p{font-size:15px;color:#A9ACB6;margin-top:12px;max-width:600px}
    .cta-btns{display:flex;flex-wrap:wrap;gap:16px}

    /* ===== 页脚 ===== */
    .site-footer{background:var(--ink);color:var(--t-inv);padding:64px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
    .footer-brand{display:flex;align-items:center;gap:12px}
    .brand-mark-sm{
      position:relative;width:36px;height:36px;border-radius:8px;background:var(--ink-2);
      border:1px solid var(--line-dark);flex-shrink:0;
    }
    .brand-mark-sm::before{content:"";position:absolute;left:7px;top:8px;width:9px;height:9px;background:var(--brand)}
    .brand-mark-sm::after{content:"";position:absolute;right:7px;top:8px;width:9px;height:9px;background:var(--accent-2)}
    .footer-name{display:block;font-size:17px;font-weight:800;line-height:1.3}
    .footer-sub{display:block;font-size:11px;font-family:var(--font-num);font-weight:600;letter-spacing:.08em;color:var(--t3);text-transform:uppercase}
    .footer-desc{font-size:14px;line-height:1.85;color:#A9ACB6;margin-top:16px}
    .footer-title{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--t-inv)}
    .footer-links li{margin-bottom:12px}
    .footer-links a{font-size:15px;color:#C9CBD3}
    .footer-links a:hover{color:var(--brand)}
    .footer-form input{
      width:100%;height:48px;padding:0 16px;
      background:var(--ink-2);color:var(--t-inv);
      border:1px solid var(--line-dark);border-radius:var(--r-btn);
      font-size:15px;outline:none;
      transition:border-color .16s ease,box-shadow .16s ease;
    }
    .footer-form input::placeholder{color:#7B7E88}
    .footer-form input:focus{border-color:var(--brand);box-shadow:0 0 0 2px rgba(139,232,0,.35)}
    .footer-form button{
      width:100%;height:48px;margin-top:12px;
      background:var(--brand);color:var(--ink);
      font-size:15px;font-weight:700;
      border:0;border-radius:var(--r-btn);
      transition:background .16s ease,transform .16s ease;
    }
    .footer-form button:hover{background:var(--brand-down);transform:translateY(-2px)}
    .footer-form button:active{transform:translateY(0)}
    .footer-bottom{
      display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;
      margin-top:48px;padding-top:24px;
      border-top:1px solid var(--line-dark);
      font-size:14px;color:#8A8D98;
    }
    .footer-bottom a{color:#8A8D98}
    .footer-bottom a:hover{color:var(--brand)}

    /* ===== 响应式 ===== */
    @media (min-width:992px){
      .nav-collapse{display:flex !important}
    }

    @media (max-width:1199.98px){
      .main-nav{gap:20px}
      .header-inner{gap:20px}
    }

    @media (max-width:991.98px){
      .header-inner{min-height:0;padding:12px 0;flex-wrap:wrap;gap:0}
      .nav-toggle{display:flex}
      .nav-collapse{
        display:none;
        width:100%;
        flex-direction:column;
        align-items:stretch;
        gap:0;
        padding:8px 0 16px;
        border-top:1px solid var(--line);
        margin-top:12px;
      }
      .nav-collapse.show{display:flex}
      .main-nav{flex-direction:column;align-items:stretch;gap:0}
      .nav-item{
        line-height:48px;padding:0;
        border-bottom:1px solid var(--line);
      }
      .nav-item::after{display:none}
      .nav-item.active{color:var(--brand-down)}
      .nav-actions{flex-direction:column;align-items:stretch;gap:12px;margin-top:16px}
      .btn-nav{width:100%;height:48px}
      .nav-text-link{text-align:center;line-height:44px}

      .section{padding:64px 0}
      .page-hero{padding:32px 0 56px}
      .hero-grid{grid-template-columns:1fr;gap:32px}
      .hero-lead{max-width:100%}
      .zigzag-row{grid-template-columns:1fr;gap:24px;padding:24px 0}
      .zigzag-row.reverse .zigzag-media{order:0}
      .zigzag-row + .zigzag-row{padding-top:32px;margin-top:8px}
      .metrics{grid-template-columns:repeat(2,1fr);padding:24px}
      .footer-grid{grid-template-columns:1fr 1fr}
      .cta-inner{grid-template-columns:1fr}
      .cta-btns{margin-top:8px}
    }

    @media (max-width:767.98px){
      .section{padding:48px 0}
      .page-hero{padding:24px 0 48px}
      .page-hero h1{font-size:32px}
      .hero-stats{gap:16px}
      .stat-divider{display:none}
      .section-head{margin-bottom:32px}
      .metrics{grid-template-columns:1fr 1fr;gap:24px}
      .metric .v{font-size:28px}
      .footer-grid{grid-template-columns:1fr;gap:32px}
      .site-footer{padding:48px 0 24px}
      .footer-bottom{margin-top:32px}
      .cta-band{padding:48px 0 56px}
      .accordion-button{font-size:16px;padding:16px 20px}
      .accordion-body{padding:0 20px 20px}
    }

    @media (max-width:519.98px){
      .container{padding:0 20px}
      .hero-btns .btn-brand,.hero-btns .btn-ghost{width:100%}
      .metrics{grid-template-columns:1fr}
      .cta-btns .btn-inv,.cta-btns .btn-inv-ghost{width:100%}
    }

/* roulang page: category2 */
:root{
  --ink:#14151B; --ink-2:#1D1F27; --line-dark:#2A2C36;
  --brand:#8BE800; --brand-down:#78CC00; --accent:#FF2E7E; --accent-2:#FFB43A;
  --bg:#F5F4F0; --surface:#FFFFFF; --line:#E4E2DC;
  --t1:#14151B; --t2:#5B5F6B; --t3:#8A8D98; --t-inv:#F7F7F4;
  --r-card:16px; --r-btn:12px; --r-pill:999px;
  --sh:0 8px 24px rgba(20,21,27,.08);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-en:"Barlow","Inter",sans-serif;
  --bs-primary:#8BE800;
  --bs-primary-rgb:139,232,0;
  --bs-body-bg:#F5F4F0;
  --bs-body-color:#14151B;
  --bs-border-color:#E4E2DC;
  --bs-border-radius:12px;
  --bs-link-color:#14151B;
  --bs-link-hover-color:#78CC00;
  --bs-font-sans-serif:var(--font-cn);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--t1);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-down);}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.num,.stat-num,.price-num{font-family:var(--font-en);font-variant-numeric:tabular-nums;letter-spacing:-.01em;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;color:var(--t1);}
h1{font-size:clamp(32px,4vw,46px);line-height:1.15;font-weight:800;}
h2{font-size:clamp(25px,3vw,35px);line-height:1.25;font-weight:800;}
h3{font-size:clamp(20px,2.2vw,23px);line-height:1.35;font-weight:700;}
h4{font-size:19px;line-height:1.4;font-weight:700;}
p{margin:0 0 16px;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;}
.section{padding:88px 0;}
.section-sm{padding:64px 0;}
.section-head{margin-bottom:48px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-en);font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--t2);text-transform:uppercase;margin-bottom:12px;
}
.section-head .eyebrow::before{content:"";width:10px;height:10px;background:var(--brand);display:inline-block;border-radius:2px;}
.section-head p{color:var(--t2);font-size:16px;max-width:640px;margin:12px 0 0;}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 16px rgba(20,21,27,.06);}
.header-inner{display:flex;align-items:center;height:72px;position:relative;}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--ink);position:relative;display:inline-block;flex:0 0 auto;}
.brand-mark::before{
  content:"";position:absolute;left:8px;top:8px;width:9px;height:9px;background:var(--brand);
  box-shadow:11px 0 0 var(--brand),0 11px 0 var(--accent),11px 11px 0 var(--brand);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:16px;font-weight:800;color:var(--t1);}
.brand-sub{font-family:var(--font-en);font-size:11px;letter-spacing:.08em;color:var(--t3);text-transform:uppercase;}
.nav-toggle{
  margin-left:auto;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:12px;
  display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.nav-toggle:hover{border-color:var(--brand);}
.nav-collapse{display:flex;align-items:center;justify-content:space-between;flex:1;margin-left:40px;}
.main-nav{display:flex;align-items:center;gap:28px;margin:0;padding:0;}
.nav-item{position:relative;font-size:15px;font-weight:600;color:var(--t2);padding:6px 0;white-space:nowrap;}
.nav-item::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--brand);transition:width .22s ease;}
.nav-item:hover{color:var(--t1);}
.nav-item:hover::after{width:100%;}
.nav-item.active{color:var(--t1);font-weight:800;}
.nav-item.active::after{width:100%;}
.header-actions{display:flex;align-items:center;gap:18px;}
.nav-text-link{font-size:15px;font-weight:600;color:var(--t2);}
.nav-text-link:hover{color:var(--t1);}

/* ============ buttons ============ */
.btn-hard,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn-hard{background:var(--brand);color:var(--ink);border:1px solid var(--brand);box-shadow:0 6px 0 var(--ink);}
.btn-hard:hover{background:var(--brand-down);border-color:var(--brand-down);color:var(--ink);transform:translateY(-2px);box-shadow:0 8px 0 var(--ink);}
.btn-hard:active{transform:translateY(4px);box-shadow:0 2px 0 var(--ink);}
.btn-ghost{background:transparent;color:var(--t1);border:1.5px solid var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--t-inv);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-line{background:transparent;color:var(--t-inv);border:1.5px solid var(--line-dark);}
.btn-line:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.header-cta{height:44px;padding:0 20px;font-size:15px;}

/* ============ breadcrumb ============ */
.crumb-wrap{background:var(--surface);border-bottom:1px solid var(--line);}
.crumb{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--t3);padding:14px 0;flex-wrap:wrap;}
.crumb a{color:var(--t2);font-weight:600;}
.crumb a:hover{color:var(--brand-down);}
.crumb .sep{color:var(--line);}
.crumb .current{color:var(--t3);}

/* ============ hero ============ */
.cat-hero{position:relative;background:var(--ink);color:var(--t-inv);overflow:hidden;padding:72px 0 80px;}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:14px 14px;opacity:.5;pointer-events:none;
}
.cat-hero::after{
  content:"";position:absolute;right:-80px;top:-60px;width:420px;height:420px;
  background:linear-gradient(135deg,rgba(139,232,0,.16),rgba(139,232,0,0) 70%);
  transform:skewX(-14deg);pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2;}
.cat-hero h1{color:var(--t-inv);margin-bottom:18px;}
.cat-hero h1 em{font-style:normal;color:var(--brand);}
.cat-hero .lead{color:#C9CBCF;font-size:16px;line-height:1.9;max-width:640px;margin-bottom:28px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;letter-spacing:.02em;
  background:rgba(255,255,255,.06);color:#D6D8DC;border:1px solid var(--line-dark);
}
.tag-pill.accent{background:var(--accent);border-color:var(--accent);color:#fff;}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;}
.hero-shot{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:12px;
  border:1px solid var(--line-dark);
}
.hero-shot-wrap{position:relative;}
.hero-shot-wrap::after{
  content:"";position:absolute;left:-14px;bottom:-14px;width:96px;height:96px;
  background:repeating-linear-gradient(45deg,var(--brand) 0 8px,transparent 8px 16px);
  opacity:.8;border-radius:8px;z-index:-1;
}

/* ============ stat strip ============ */
.stat-strip{background:var(--surface);border-bottom:1px solid var(--line);padding:36px 0;}
.stat-item{padding:4px 0;}
.stat-num{font-size:34px;font-weight:800;line-height:1.1;color:var(--t1);}
.stat-num span{font-size:16px;font-weight:700;color:var(--t2);margin-left:4px;font-family:var(--font-cn);}
.stat-label{font-size:14px;color:var(--t2);margin-top:6px;}
.stat-line{width:28px;height:3px;background:var(--brand);border-radius:2px;margin-top:12px;}

/* ============ number cards ============ */
.num-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;height:100%;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.num-card:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:var(--brand);}
.num-card .num{
  display:block;font-size:48px;font-weight:800;line-height:1;margin-bottom:16px;
  color:transparent;-webkit-text-stroke:2px var(--brand);
}
@supports not (-webkit-text-stroke:2px #000){.num-card .num{color:var(--brand);}}
.num-card h3{margin-bottom:10px;}
.num-card p{color:var(--t2);font-size:15px;line-height:1.8;margin:0;}
.num-card .card-foot{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);font-size:13px;color:var(--t3);font-weight:600;letter-spacing:.02em;}

/* ============ dark stage section ============ */
.stage-section{background:var(--ink);color:var(--t-inv);padding:88px 0;position:relative;overflow:hidden;}
.stage-section::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:100%;
  background-image:radial-gradient(rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:16px 16px;opacity:.35;pointer-events:none;
}
.stage-section .container{position:relative;z-index:2;}
.stage-section h2{color:var(--t-inv);}
.stage-section .section-head p{color:#B9BCC2;}
.stage-item{
  background:var(--ink-2);border:1px solid var(--line-dark);border-radius:var(--r-card);
  padding:24px;height:100%;transition:border-color .2s ease,transform .2s ease;
}
.stage-item:hover{border-color:var(--brand);transform:translateY(-3px);}
.stage-item .idx{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:8px;background:var(--brand);color:var(--ink);
  font-family:var(--font-en);font-weight:800;font-size:15px;margin-bottom:16px;
}
.stage-item h3{color:var(--t-inv);font-size:20px;margin-bottom:10px;}
.stage-item p{color:#B9BCC2;font-size:15px;line-height:1.8;margin:0;}
.stage-note{margin-top:32px;font-size:14px;color:var(--t3);border-left:3px solid var(--brand);padding-left:14px;}

/* ============ faq ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion-item{
  background:var(--surface);border:1px solid var(--line)!important;border-radius:var(--r-card)!important;
  margin-bottom:12px;overflow:hidden;
}
.accordion-button{
  position:relative;background:var(--surface);color:var(--t1);
  font-size:17px;font-weight:700;padding:20px 24px;box-shadow:none!important;
}
.accordion-button::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:2px;
  background:var(--brand);opacity:0;transition:opacity .18s ease;
}
.accordion-button:not(.collapsed){color:var(--t1);background:var(--surface);}
.accordion-button:not(.collapsed)::before{opacity:1;}
.accordion-button::after{transition:transform .18s ease;background-size:16px;width:16px;height:16px;}
.accordion-button:not(.collapsed)::after{transform:rotate(-180deg);}
.accordion-body{font-size:15px;line-height:1.85;color:var(--t2);padding:0 24px 22px;}

/* ============ final cta ============ */
.final-cta{background:var(--ink);color:var(--t-inv);padding:72px 0 0;position:relative;overflow:hidden;}
.final-cta::before{
  content:"";position:absolute;left:-60px;bottom:0;width:340px;height:220px;
  background:linear-gradient(135deg,rgba(139,232,0,.14),transparent 72%);
  transform:skewX(-16deg);pointer-events:none;
}
.final-cta .container{position:relative;z-index:2;}
.final-cta h2{color:var(--t-inv);}
.final-cta p{color:#B9BCC2;margin:12px 0 0;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:flex-end;}
.neon-strip{height:8px;background:repeating-linear-gradient(115deg,var(--brand) 0 34px,var(--ink-2) 34px 42px);position:relative;margin-top:56px;}
.neon-strip::after{content:"";position:absolute;right:0;top:0;height:100%;width:14%;background:var(--accent);}

/* ============ footer ============ */
.site-footer{background:var(--ink);color:var(--t-inv);padding:72px 0 0;border-top:1px solid var(--line-dark);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:32px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-name{display:block;font-size:16px;font-weight:800;color:var(--t-inv);}
.footer-sub{display:block;font-family:var(--font-en);font-size:11px;letter-spacing:.08em;color:var(--t3);text-transform:uppercase;}
.footer-desc{font-size:14px;line-height:1.85;color:#9CA0A8;margin:0;}
.footer-title{font-size:15px;font-weight:700;color:var(--t-inv);margin-bottom:18px;}
.footer-links{list-style:none;margin:0;padding:0;}
.footer-links li{margin-bottom:12px;}
.footer-links a{font-size:15px;color:#C6C9CE;}
.footer-links a:hover{color:var(--brand);}
.footer-form{display:flex;flex-direction:column;gap:12px;}
.footer-form input{
  height:48px;border-radius:var(--r-btn);background:var(--ink-2);border:1px solid var(--line-dark);
  color:var(--t-inv);padding:0 16px;font-size:14px;width:100%;
}
.footer-form input::placeholder{color:#7C8088;}
.footer-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(139,232,0,.28);}
.footer-form button{
  height:48px;border-radius:var(--r-btn);background:var(--brand);border:1px solid var(--brand);
  color:var(--ink);font-weight:700;font-size:15px;cursor:pointer;transition:background .18s ease,transform .18s ease;
}
.footer-form button:hover{background:var(--brand-down);transform:translateY(-2px);}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding:24px 0;font-size:14px;color:#8A8D98;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom a{color:#C6C9CE;}
.footer-bottom a:hover{color:var(--brand);}

/* ============ responsive ============ */
@media (max-width:1199px){
  .main-nav{gap:20px;}
}
@media (max-width:991px){
  .nav-toggle{display:flex;}
  .nav-collapse{
    display:none;position:absolute;left:0;right:0;top:72px;background:#fff;
    border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(20,21,27,.1);
    padding:8px 20px 20px;margin-left:0;
  }
  .nav-collapse.show{display:block;}
  .main-nav{flex-direction:column;align-items:stretch;gap:0;}
  .nav-item{display:flex;align-items:center;height:48px;border-bottom:1px solid var(--line);padding:0;}
  .nav-item::after{display:none;}
  .nav-item.active{color:var(--brand-down);}
  .header-actions{flex-direction:column;align-items:stretch;margin-top:16px;gap:12px;}
  .header-actions .btn-hard{width:100%;}
  .nav-text-link{height:48px;display:flex;align-items:center;}
  .section{padding:64px 0;}
  .stage-section{padding:64px 0;}
  .cat-hero{padding:48px 0 56px;}
  .hero-shot-wrap{margin-top:32px;}
  .cta-actions{justify-content:flex-start;margin-top:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (min-width:992px){
  .nav-collapse.collapse{display:flex!important;height:auto!important;visibility:visible!important;}
}
@media (max-width:767px){
  .section{padding:48px 0;}
  .section-sm{padding:40px 0;}
  .stat-strip{padding:24px 0;}
  .num-card{padding:20px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;}
  .hero-actions .btn-hard,.hero-actions .btn-ghost{width:100%;}
}

/* roulang page: category3 */
:root{
  --ink:#14151B;
  --ink-2:#1D1F27;
  --line-dark:#2A2C36;
  --brand:#8BE800;
  --brand-down:#78CC00;
  --accent:#FF2E7E;
  --accent-2:#FFB43A;
  --bg:#F5F4F0;
  --surface:#FFFFFF;
  --line:#E4E2DC;
  --t1:#14151B;
  --t2:#5B5F6B;
  --t3:#8A8D98;
  --t-inv:#F7F7F4;
  --r-card:16px;
  --r-btn:12px;
  --shadow:0 8px 24px rgba(20,21,27,.08);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-lat:"Barlow","Inter",sans-serif;

  --bs-primary:#8BE800;
  --bs-body-bg:var(--bg);
  --bs-body-color:var(--t1);
  --bs-border-color:var(--line);
  --bs-border-radius:12px;
  --bs-border-radius-lg:16px;
  --bs-link-color:#14151B;
  --bs-link-hover-color:#5B5F6B;
  --bs-link-decoration:none;
  --bs-font-sans-serif:var(--font-cn);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease}
a:hover{color:var(--t2)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto}
.num{font-family:var(--font-lat);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.02em;
  color:var(--t2);
  padding:6px 14px;border-radius:999px;
  background:#EDEBE4;border:1px solid var(--line);
}
.eyebrow::before{content:"";width:8px;height:8px;background:var(--brand);border-radius:2px;display:inline-block}
.sec{padding:88px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px;flex-wrap:wrap}
.sec-title{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:800;letter-spacing:-.01em}
.sec-desc{font-size:15px;color:var(--t2);margin-top:12px;max-width:640px}
.text-link{
  font-size:15px;font-weight:600;color:var(--t1);position:relative;padding-bottom:2px;
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--brand);transition:width .22s ease;
}
.text-link:hover::after{width:100%}
.text-link:hover{color:var(--t1)}

/* ===== header ===== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.scrolled{box-shadow:0 4px 16px rgba(20,21,27,.06)}
.header-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:10px;display:block;position:relative;
  background:var(--ink);
  box-shadow:inset 0 0 0 3px var(--brand);
}
.brand-mark::before,.brand-mark::after{
  content:"";position:absolute;background:var(--brand);border-radius:1px;
}
.brand-mark::before{width:10px;height:10px;left:7px;top:7px}
.brand-mark::after{width:10px;height:10px;right:7px;bottom:7px;background:var(--accent)}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--t1)}
.brand-sub{font-family:var(--font-lat);font-size:11px;font-weight:600;letter-spacing:.16em;color:var(--t3);margin-top:3px}
.main-nav{display:flex;align-items:center;gap:28px}
.nav-item{
  font-size:15px;font-weight:600;color:var(--t1);position:relative;padding:6px 0;white-space:nowrap;
}
.nav-item::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--brand);transition:width .2s ease;
}
.nav-item:hover::after{width:100%}
.nav-item.active{font-weight:800}
.nav-item.active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.header-actions .text-link{font-size:15px}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  background:var(--brand);color:var(--ink);font-size:15px;font-weight:700;
  border:1px solid var(--brand);
  box-shadow:0 6px 0 var(--ink);
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease;
}
.btn-main:hover{background:var(--brand);color:var(--ink);transform:translateY(-2px);box-shadow:0 8px 0 var(--ink)}
.btn-main:active{transform:translateY(4px);box-shadow:0 2px 0 var(--ink)}
.btn-main .arrow{font-family:var(--font-lat);font-weight:700;transition:transform .16s ease}
.btn-main:hover .arrow{transform:translateX(3px)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  background:transparent;color:var(--t1);font-size:15px;font-weight:700;
  border:1.5px solid var(--ink);
  transition:background .16s ease,color .16s ease,transform .16s ease;
}
.btn-outline:hover{background:var(--ink);color:var(--t-inv);transform:translateY(-2px)}
.btn-outline.on-dark{border-color:#3A3D49;color:var(--t-inv)}
.btn-outline.on-dark:hover{background:var(--brand);border-color:var(--brand);color:var(--ink)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:var(--surface);font-size:14px;font-weight:600;color:var(--t1);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--t1)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--surface);
  padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--t1);border-radius:2px}
.nav-toggle:hover{border-color:var(--brand)}

/* offcanvas mobile */
.mobile-nav{background:var(--surface);width:min(340px,86vw)}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.mobile-nav-title{font-size:16px;font-weight:800}
.mobile-nav .offcanvas-body{padding:16px 20px 28px;display:flex;flex-direction:column;gap:8px}
.mnav-item{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 4px;font-size:16px;font-weight:600;border-bottom:1px solid var(--line);
}
.mnav-item.active{color:var(--brand-down);font-weight:800}
.mnav-item i{font-size:12px;color:var(--t3)}
.mobile-nav .btn-main{margin-top:16px;width:100%}

/* ===== breadcrumb ===== */
.crumb-bar{background:var(--surface);border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--t3);padding:14px 0;flex-wrap:wrap}
.crumb a{color:var(--t2)}
.crumb a:hover{color:var(--brand-down)}
.crumb .sep{color:var(--t3)}
.crumb .cur{color:var(--t3);max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ===== hero ===== */
.cat-hero{
  position:relative;background:var(--ink);color:var(--t-inv);overflow:hidden;
  padding:64px 0 72px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.22;
}
.cat-hero::after{
  content:"";position:absolute;top:-40px;right:-80px;width:420px;height:420px;
  background:radial-gradient(circle at center,rgba(139,232,0,.16),transparent 62%);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.02em;
  padding:6px 14px;border-radius:999px;background:rgba(139,232,0,.12);color:var(--brand);border:1px solid rgba(139,232,0,.35);
}
.hero-title{
  font-size:clamp(30px,4.4vw,50px);line-height:1.15;font-weight:800;letter-spacing:-.01em;
  margin:20px 0 0;
}
.hero-title .hl{
  color:var(--ink);background:var(--brand);padding:2px 10px;border-radius:8px;display:inline-block;
  box-shadow:0 4px 0 rgba(255,46,126,.45);
}
.hero-lead{margin-top:20px;font-size:16px;line-height:1.85;color:rgba(247,247,244,.78);max-width:560px}
.hero-btns{display:flex;gap:16px;margin-top:32px;flex-wrap:wrap}
.hero-stats{display:flex;gap:0;margin-top:40px;flex-wrap:wrap}
.hero-stat{padding:0 24px;border-left:1px solid var(--line-dark)}
.hero-stat:first-child{padding-left:0;border-left:0}
.hero-stat .v{font-family:var(--font-lat);font-size:26px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2}
.hero-stat .k{font-size:14px;color:rgba(247,247,244,.66);margin-top:4px}
.hero-visual{position:relative}
.hero-shot{
  position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line-dark);
  background:var(--ink-2);
}
.hero-shot img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-shot::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(135deg,rgba(139,232,0,.12),transparent 55%);
}
.hero-badge{
  position:absolute;left:-18px;bottom:-18px;background:var(--accent);color:#fff;
  font-size:13px;font-weight:600;letter-spacing:.02em;padding:8px 16px;border-radius:999px;
  box-shadow:0 8px 24px rgba(20,21,27,.35);
}
.hero-card{
  position:absolute;right:-14px;top:-14px;background:var(--ink-2);border:1px solid var(--line-dark);
  border-radius:12px;padding:12px 16px;font-size:13px;color:var(--t-inv);
}
.hero-card b{display:block;font-family:var(--font-lat);font-size:20px;color:var(--accent-2);font-variant-numeric:tabular-nums;line-height:1.3}

/* ===== metric strip ===== */
.metric-strip{background:var(--ink-2);border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark);color:var(--t-inv)}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.metric{padding:32px 24px;border-left:1px solid var(--line-dark)}
.metric:first-child{border-left:0;padding-left:0}
.metric .mv{font-family:var(--font-lat);font-size:34px;font-weight:800;color:var(--t-inv);font-variant-numeric:tabular-nums;line-height:1.15}
.metric .mv em{font-style:normal;font-size:16px;color:var(--t3);margin-left:4px;font-weight:600}
.metric .ml{font-size:14px;color:rgba(247,247,244,.65);margin-top:6px}
.metric .bar{height:2px;width:40px;background:var(--brand);margin-top:12px}

/* ===== timeline ===== */
.timeline{position:relative;padding-left:0}
.timeline::before{
  content:"";position:absolute;left:11px;top:14px;bottom:14px;width:2px;background:var(--brand);border-radius:2px;
}
.tl-item{position:relative;padding-left:56px;margin-bottom:32px}
.tl-item:last-child{margin-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:0;top:8px;width:24px;height:24px;border-radius:50%;
  background:var(--bg);border:2px solid var(--brand);
}
.tl-item::after{
  content:"";position:absolute;left:8px;top:16px;width:8px;height:8px;border-radius:50%;background:var(--brand);
}
.tl-item.is-now::before{border-color:var(--accent)}
.tl-item.is-now::after{background:var(--accent)}
.tl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.tl-card:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:0 14px 30px rgba(20,21,27,.12)}
.tl-time{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-lat);font-size:14px;font-weight:600;letter-spacing:.02em;
  color:var(--t2);background:#F0EFE9;border:1px solid var(--line);
  padding:4px 12px;border-radius:999px;font-variant-numeric:tabular-nums;
}
.tl-time i{font-size:11px;color:var(--brand-down)}
.tl-card h3{font-size:22px;font-weight:700;line-height:1.35;margin-top:16px}
.tl-card p{font-size:15px;color:var(--t2);margin-top:10px}
.tl-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:20px;flex-wrap:wrap}
.tl-tags{display:flex;gap:8px;flex-wrap:wrap}
.tag{
  font-size:13px;font-weight:600;letter-spacing:.02em;padding:4px 12px;border-radius:999px;
  background:#EDEBE4;color:var(--t2);border:1px solid var(--line);
}
.tag.hot{background:var(--accent);color:#fff;border-color:var(--accent)}
.tag.new{background:var(--ink);color:var(--brand);border-color:var(--ink)}
.tl-progress{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--t3);font-family:var(--font-lat);font-variant-numeric:tabular-nums}
.tl-progress .track{width:80px;height:6px;border-radius:999px;background:#EDEBE4;overflow:hidden}
.tl-progress .fill{display:block;height:100%;background:var(--brand)}

/* ===== guide two-col ===== */
.guide-wrap{display:grid;grid-template-columns:6fr 5fr;gap:48px;align-items:center}
.check-list{display:flex;flex-direction:column;gap:20px;margin-top:32px}
.check-item{display:flex;gap:16px;align-items:flex-start}
.check-item .sq{
  flex:0 0 auto;width:10px;height:10px;background:var(--brand);margin-top:11px;border-radius:2px;
}
.check-item h4{font-size:18px;font-weight:700;line-height:1.4}
.check-item p{font-size:15px;color:var(--t2);margin-top:6px}
.guide-media{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.guide-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s ease}
.guide-media:hover img{transform:scale(1.03)}
.guide-media .cap{
  position:absolute;left:16px;bottom:16px;right:16px;
  background:rgba(20,21,27,.86);color:var(--t-inv);border-radius:12px;padding:12px 16px;font-size:14px;
}

/* ===== faq ===== */
.faq-wrap{max-width:920px;margin:0 auto}
.accordion-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  margin-bottom:16px;box-shadow:none;
}
.accordion-button{
  background:var(--surface);color:var(--t1);font-size:17px;font-weight:700;line-height:1.5;
  padding:22px 24px;box-shadow:none;border-radius:var(--r-card);
  border-left:0 solid var(--brand);transition:border-left-width .18s ease,background .18s ease;
}
.accordion-button:not(.collapsed){background:#FAFAF7;border-left:3px solid var(--brand);color:var(--t1)}
.accordion-button::after{
  width:14px;height:14px;background-size:14px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2314151B'%3E%3Cpath d='M8 2 L8 14 M2 8 L14 8' stroke='%2314151B' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  transition:transform .18s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg)}
.accordion-button:focus{box-shadow:0 0 0 2px var(--brand) inset}
.accordion-body{padding:0 24px 24px;font-size:15px;color:var(--t2);line-height:1.85}

/* ===== cta ===== */
.cta-band{background:var(--ink);color:var(--t-inv);position:relative;overflow:hidden}
.cta-inner{
  position:relative;z-index:2;padding:64px 0;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(24px,3vw,36px);font-weight:800;line-height:1.25;letter-spacing:-.01em}
.cta-inner p{font-size:15px;color:rgba(247,247,244,.72);margin-top:12px;max-width:620px}
.cta-btns{display:flex;gap:16px;flex-wrap:wrap}
.cta-slash{
  position:absolute;left:0;right:0;bottom:0;height:8px;
  background:repeating-linear-gradient(115deg,var(--brand) 0 28px,var(--ink) 28px 56px);
}

/* ===== footer ===== */
.site-footer{background:var(--ink);color:var(--t-inv);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.footer-brand .brand-mark{box-shadow:inset 0 0 0 3px var(--brand);background:#0E0F13}
.footer-name{display:block;font-size:17px;font-weight:800;color:var(--t-inv)}
.footer-sub{display:block;font-family:var(--font-lat);font-size:11px;font-weight:600;letter-spacing:.16em;color:var(--t3);margin-top:3px}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(247,247,244,.66);max-width:360px}
.footer-title{font-size:15px;font-weight:700;color:var(--t-inv);margin-bottom:18px}
.footer-links li{margin-bottom:12px}
.footer-links a{font-size:15px;color:rgba(247,247,244,.72)}
.footer-links a:hover{color:var(--brand)}
.footer-form{display:flex;flex-direction:column;gap:12px}
.footer-form input{
  height:48px;border-radius:12px;background:#101116;border:1px solid var(--line-dark);
  color:var(--t-inv);padding:0 16px;font-size:14px;width:100%;
}
.footer-form input::placeholder{color:var(--t3)}
.footer-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(139,232,0,.35)}
.footer-form button{
  height:48px;border-radius:12px;border:1px solid var(--brand);background:var(--brand);color:var(--ink);
  font-size:15px;font-weight:700;cursor:pointer;transition:background .16s ease,transform .16s ease;
}
.footer-form button:hover{background:var(--brand-down);transform:translateY(-2px)}
.footer-form button:active{transform:translateY(0)}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding:24px 0 32px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:14px;color:rgba(247,247,244,.6);
}
.footer-bottom a{color:rgba(247,247,244,.72)}
.footer-bottom a:hover{color:var(--brand)}

/* ===== responsive ===== */
@media (max-width:1199.98px){
  .hero-grid{gap:36px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .footer-grid > div:last-child{grid-column:1 / -1}
  .footer-form{flex-direction:row}
  .footer-form input{flex:1}
  .footer-form button{padding:0 24px;flex:0 0 auto}
}
@media (max-width:991.98px){
  .main-nav{display:none}
  .header-actions .text-link{display:none}
  .nav-toggle{display:flex}
  .sec{padding:64px 0}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:560px}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .metric:nth-child(3){border-left:0;padding-left:0}
  .metric{padding:24px 20px;border-top:1px solid var(--line-dark)}
  .metric:nth-child(1),.metric:nth-child(2){border-top:0}
  .guide-wrap{grid-template-columns:1fr;gap:36px}
}
@media (max-width:767.98px){
  .sec{padding:48px 0}
  .site-header .header-inner{height:64px}
  .brand-name{font-size:15px}
  .btn-main{height:42px;padding:0 16px;font-size:14px}
  .header-actions{gap:10px}
  .header-actions .btn-main span.label{display:none}
  .header-actions .btn-main{padding:0 14px}
  .cat-hero{padding:40px 0 48px}
  .hero-stats{margin-top:32px}
  .hero-stat{padding:0 16px;margin-bottom:12px}
  .hero-stat .v{font-size:22px}
  .hero-badge{left:12px;bottom:12px}
  .hero-card{right:8px;top:-10px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-form{flex-direction:column}
  .metric-grid{grid-template-columns:1fr}
  .metric{border-left:0;padding-left:0}
  .metric:nth-child(2){border-top:1px solid var(--line-dark)}
  .timeline::before{left:7px}
  .tl-item{padding-left:40px}
  .tl-item::before{width:16px;height:16px;top:8px}
  .tl-item::after{left:6px;top:14px;width:6px;height:6px}
  .tl-card{padding:20px}
  .tl-card h3{font-size:19px}
  .cta-inner{padding:48px 0;flex-direction:column;align-items:flex-start}
  .accordion-button{font-size:16px;padding:18px 18px}
  .accordion-body{padding:0 18px 20px}
}
@media (max-width:575.98px){
  .hero-title{font-size:30px}
  .sec-title{font-size:24px}
  .btn-outline,.btn-main{width:100%}
  .hero-btns{flex-direction:column}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category4 */
:root{
  --ink:#14151B; --ink-2:#1D1F27; --line-dark:#2A2C36;
  --brand:#8BE800; --brand-down:#78CC00; --accent:#FF2E7E; --accent-2:#FFB43A;
  --bg:#F5F4F0; --surface:#FFFFFF; --line:#E4E2DC;
  --t1:#14151B; --t2:#5B5F6B; --t3:#8A8D98; --t-inv:#F7F7F4;
  --r-lg:16px; --r-md:12px; --r-pill:999px;
  --shadow:0 8px 24px rgba(20,21,27,.08);
  --sp-1:8px; --sp-2:12px; --sp-3:16px; --sp-4:24px; --sp-5:32px; --sp-6:48px; --sp-7:64px; --sp-8:88px;

  --bs-primary:#8BE800;
  --bs-body-color:#14151B;
  --bs-body-bg:#F5F4F0;
  --bs-border-color:#E4E2DC;
  --bs-border-radius:12px;
  --bs-link-color:#14151B;
  --bs-link-hover-color:#78CC00;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px; line-height:1.85; font-weight:400;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0; letter-spacing:-.01em; color:var(--t1);}
p{margin:0;}
a{color:var(--t1); text-decoration:none; transition:color .2s ease;}
img{max-width:100%; display:block;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand); outline-offset:2px;}
.container{max-width:1200px; padding-left:24px; padding-right:24px; margin:0 auto;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky; top:0; z-index:1030; background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 4px 16px rgba(20,21,27,.06);}
.header-inner{display:flex; align-items:center; gap:28px; height:72px;}
.brand{display:flex; align-items:center; gap:12px; flex-shrink:0;}
.brand-mark{
  position:relative; width:36px; height:36px; border-radius:10px; background:var(--ink); display:inline-block;
}
.brand-mark::before{
  content:""; position:absolute; left:8px; top:17px; width:20px; height:6px; border-radius:2px; background:var(--brand);
}
.brand-mark::after{
  content:""; position:absolute; left:11px; top:8px; width:14px; height:5px; border-radius:2px; background:var(--accent);
}
.brand-text{display:flex; flex-direction:column; line-height:1.2;}
.brand-name{font-size:17px; font-weight:800; letter-spacing:-.01em;}
.brand-sub{font-family:"Barlow","Inter",sans-serif; font-size:11px; letter-spacing:.14em; color:var(--t3); font-weight:600;}
.main-nav{display:flex; align-items:center; gap:28px; margin-left:auto;}
.nav-item{
  position:relative; font-size:15px; font-weight:600; color:var(--t1); padding:6px 0;
}
.nav-item::after{
  content:""; position:absolute; left:0; bottom:0; height:2px; width:0; background:var(--brand);
  transition:width .22s ease;
}
.nav-item:hover{color:var(--t1);}
.nav-item:hover::after{width:100%;}
.nav-item.active{font-weight:800;}
.nav-item.active::after{width:100%;}
.header-actions{display:flex; align-items:center; gap:16px; flex-shrink:0;}
.text-entry{font-size:15px; font-weight:600; color:var(--t2);}
.text-entry:hover{color:var(--ink);}
.nav-toggle{
  display:none; width:44px; height:44px; border-radius:12px; border:1.5px solid var(--line);
  background:#fff; align-items:center; justify-content:center; flex-direction:column; gap:5px; padding:0;
}
.nav-toggle span{display:block; width:18px; height:2px; background:var(--ink); border-radius:2px;}
.mobile-panel{border-top:1px solid var(--line); background:#fff;}
.mobile-panel .m-list{display:flex; flex-direction:column; padding:8px 0 16px;}
.mobile-panel .m-list a{
  display:flex; align-items:center; height:48px; font-size:16px; font-weight:600; border-bottom:1px solid var(--line);
}
.mobile-panel .m-list a.active{color:var(--brand-down);}
.mobile-cta{display:block; margin-top:16px;}

/* ============ 按钮 ============ */
.btn-brand,.btn-line{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  height:44px; padding:0 20px; font-size:15px; font-weight:700; border-radius:12px;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
  white-space:nowrap;
}
.btn-brand{
  background:var(--brand); color:var(--ink); border:1px solid var(--ink);
  box-shadow:0 6px 0 var(--ink);
}
.btn-brand:hover{background:var(--brand-down); color:var(--ink); transform:translateY(-2px); box-shadow:0 8px 0 var(--ink);}
.btn-brand:active{transform:translateY(6px); box-shadow:0 0 0 var(--ink);}
.btn-line{
  background:transparent; color:var(--ink); border:1.5px solid var(--ink);
}
.btn-line:hover{background:var(--ink); color:var(--t-inv);}
.btn-line:active{transform:translateY(2px);}
.btn-line-inv{background:transparent; color:var(--t-inv); border:1.5px solid #3A3D48;}
.btn-line-inv:hover{background:var(--brand); color:var(--ink); border-color:var(--brand);}
.btn-text{
  display:inline-flex; align-items:center; gap:6px; font-size:15px; font-weight:600; color:var(--t1);
  border-bottom:2px solid transparent; padding-bottom:2px;
}
.btn-text:hover{border-bottom-color:var(--brand);}

/* ============ 面包屑 ============ */
.crumb-bar{background:var(--bg); border-bottom:1px solid var(--line);}
.crumb{display:flex; align-items:center; gap:10px; list-style:none; margin:0; padding:14px 0; font-size:14px; color:var(--t3);}
.crumb a{color:var(--t2); font-size:14px;}
.crumb a:hover{color:var(--brand-down);}
.crumb .sep{color:var(--t3);}
.crumb li[aria-current]{color:var(--t3);}

/* ============ 分类 Hero ============ */
.cat-hero{position:relative; padding:56px 0 64px; overflow:hidden; background:var(--bg);}
.cat-hero::before{
  content:""; position:absolute; inset:0;
  background-image:radial-gradient(rgba(20,21,27,.07) 1px, transparent 1px);
  background-size:14px 14px; pointer-events:none;
}
.hero-grid{position:relative; display:grid; grid-template-columns:1.08fr .92fr; gap:48px; align-items:center;}
.hero-tag{
  display:inline-flex; align-items:center; gap:8px; height:28px; padding:0 14px; border-radius:var(--r-pill);
  background:var(--ink); color:var(--brand); font-size:13px; font-weight:600; letter-spacing:.02em;
}
.hero-title{
  font-size:50px; line-height:1.15; font-weight:800; margin:20px 0 16px;
}
.hero-lead{font-size:16px; line-height:1.9; color:var(--t2); max-width:580px;}
.hero-actions{display:flex; flex-wrap:wrap; gap:16px; margin-top:32px;}
.hero-visual{
  position:relative; background:var(--ink); border-radius:var(--r-lg); padding:16px; overflow:hidden;
}
.hero-visual::before{
  content:""; position:absolute; width:180px; height:180px; background:var(--brand);
  right:-56px; top:-64px; transform:rotate(18deg); opacity:.9;
}
.hero-visual::after{
  content:""; position:absolute; left:-30px; bottom:-70px; width:150px; height:150px;
  background:var(--accent); opacity:.24; transform:rotate(24deg);
}
.hero-visual img{position:relative; z-index:1; width:100%; aspect-ratio:16/10; object-fit:cover; border-radius:var(--r-md);}
.hero-badge{
  position:absolute; z-index:2; left:32px; bottom:32px; background:var(--surface); border-radius:var(--r-md);
  padding:12px 16px; box-shadow:var(--shadow); display:flex; align-items:center; gap:10px;
}
.hero-badge strong{font-family:"Barlow","Inter",sans-serif; font-size:20px; font-weight:800; color:var(--t1);}
.hero-badge span{font-size:13px; color:var(--t2);}

/* ============ 板块 ============ */
.section{padding:88px 0;}
.section-tight{padding:56px 0 88px;}
.sec-head{max-width:760px; margin-bottom:40px;}
.sec-title{font-size:34px; line-height:1.25; font-weight:800; margin-bottom:12px;}
.sec-sub{font-size:16px; color:var(--t2);}
.sec-alt{background:var(--surface); border-top:1px solid var(--line); border-bottom:1px solid var(--line);}

/* ============ 问答列表 ============ */
.qa-group{margin-bottom:40px;}
.qa-group:last-child{margin-bottom:0;}
.qa-group-title{position:relative; font-size:20px; font-weight:800; padding-left:16px; margin-bottom:20px;}
.qa-group-title::before{
  content:""; position:absolute; left:0; top:7px; bottom:7px; width:4px; border-radius:2px; background:var(--brand);
}
.qa-item{
  display:grid; grid-template-columns:88px 1fr; gap:24px; align-items:start;
  background:var(--surface); border:1px solid var(--line); border-radius:var(--r-lg);
  padding:24px; margin-bottom:16px;
  transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.qa-item:hover{transform:translateY(-2px); border-color:var(--brand); box-shadow:var(--shadow);}
.qa-num{
  display:flex; align-items:center; justify-content:center; height:44px; border-radius:var(--r-md);
  background:var(--ink); color:var(--brand); font-family:"Barlow","Inter",sans-serif;
  font-size:18px; font-weight:800; letter-spacing:.02em;
}
.qa-q{font-size:18px; font-weight:700; line-height:1.5; margin-bottom:8px;}
.qa-a{font-size:15px; line-height:1.85; color:var(--t2);}
.qa-tag{
  display:inline-block; margin-top:14px; height:22px; line-height:22px; padding:0 10px; border-radius:var(--r-pill);
  background:#EFF6E0; color:#4C7A00; font-size:13px; font-weight:600;
}

/* ============ 数据指标 ============ */
.stats-row{display:grid; grid-template-columns:repeat(4,1fr); gap:24px;}
.stat{
  background:var(--surface); border:1px solid var(--line); border-bottom:3px solid var(--brand);
  border-radius:var(--r-lg); padding:24px;
}
.stat-num{
  font-family:"Barlow","Inter",sans-serif; font-size:38px; line-height:1.1; font-weight:800; color:var(--t1);
  display:block; margin-bottom:6px;
}
.stat-num small{font-size:16px; font-weight:700; margin-left:2px;}
.stat-label{font-size:14px; color:var(--t2); line-height:1.7;}

/* ============ 分类入口 ============ */
.cat-nav-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:24px;}
.cat-card{
  display:flex; flex-direction:column; overflow:hidden; background:var(--surface);
  border:1px solid var(--line); border-radius:var(--r-lg);
  transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.cat-card:hover{transform:translateY(-4px); border-color:var(--brand); box-shadow:var(--shadow);}
.cat-card figure{margin:0; overflow:hidden; background:var(--ink-2);}
.cat-card img{width:100%; aspect-ratio:16/9; object-fit:cover; transition:transform .35s ease;}
.cat-card:hover img{transform:scale(1.03);}
.cat-card-body{padding:24px; display:flex; flex-direction:column; gap:12px; flex:1;}
.cat-card-body h3{font-size:22px; font-weight:700; line-height:1.35;}
.cat-card-body p{font-size:15px; color:var(--t2);}
.cat-card-body .btn-text{margin-top:auto;}

/* ============ 结尾 CTA ============ */
.cta-band{
  position:relative; overflow:hidden; border-radius:var(--r-lg); padding:48px;
  background:var(--ink) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  display:flex; align-items:center; justify-content:space-between; gap:32px;
}
.cta-band::before{content:""; position:absolute; inset:0; background:rgba(20,21,27,.88);}
.cta-band::after{
  content:""; position:absolute; left:0; right:0; bottom:0; height:8px;
  background:linear-gradient(90deg,var(--brand) 0 62%,var(--accent) 62% 82%,var(--accent-2) 82% 100%);
}
.cta-copy{position:relative; z-index:1; max-width:620px;}
.cta-copy h2{color:var(--t-inv); font-size:32px; font-weight:800; line-height:1.3; margin-bottom:10px;}
.cta-copy p{color:#B9BCC6; font-size:15px;}
.cta-actions{position:relative; z-index:1; display:flex; gap:16px; flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink); color:var(--t-inv); padding:64px 0 0; margin-top:88px;}
.footer-grid{display:grid; grid-template-columns:1.5fr 1fr 1fr 1.3fr; gap:32px; padding-bottom:48px;}
.footer-brand{display:flex; align-items:center; gap:12px; margin-bottom:16px;}
.footer-brand .brand-mark::before{background:var(--brand);}
.footer-name{display:block; font-size:17px; font-weight:800; color:var(--t-inv);}
.footer-sub{display:block; font-family:"Barlow","Inter",sans-serif; font-size:11px; letter-spacing:.14em; color:#7C808C;}
.footer-desc{font-size:14px; line-height:1.9; color:#A9ACB6;}
.footer-title{font-size:16px; font-weight:700; color:var(--t-inv); margin-bottom:16px;}
.footer-links{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:10px;}
.footer-links a{font-size:15px; color:#C9CCD4;}
.footer-links a:hover{color:var(--brand);}
.footer-form{display:flex; flex-direction:column; gap:12px;}
.footer-form input{
  height:48px; border-radius:var(--r-md); border:1px solid var(--line-dark); background:#191B22;
  color:var(--t-inv); padding:0 16px; font-size:15px;
}
.footer-form input::placeholder{color:#6E7280;}
.footer-form input:focus{outline:2px solid var(--brand); outline-offset:2px; border-color:var(--brand);}
.footer-form button{
  height:48px; border-radius:var(--r-md); border:1px solid var(--brand); background:var(--brand);
  color:var(--ink); font-size:15px; font-weight:700; cursor:pointer; transition:background .18s ease;
}
.footer-form button:hover{background:var(--brand-down);}
.footer-bottom{
  border-top:1px solid var(--line-dark); padding:20px 0; display:flex; justify-content:space-between;
  gap:16px; flex-wrap:wrap; font-size:14px; color:#8A8D98;
}
.footer-bottom a{color:#C9CCD4; font-size:14px;}
.footer-bottom a:hover{color:var(--brand);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .hero-title{font-size:44px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr; }
  .footer-grid > div:last-child{grid-column:1 / -1;}
}
@media (max-width:991.98px){
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .text-entry{display:none;}
  .hero-grid{grid-template-columns:1fr; gap:32px;}
  .hero-title{font-size:36px;}
  .section{padding:64px 0;}
  .section-tight{padding:40px 0 64px;}
  .stats-row{grid-template-columns:repeat(2,1fr);}
  .cat-nav-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{flex-direction:column; align-items:flex-start; padding:40px;}
  .site-footer{margin-top:64px;}
}
@media (max-width:767.98px){
  .hero-title{font-size:31px;}
  .sec-title{font-size:25px;}
  .cat-hero{padding:40px 0 48px;}
  .qa-item{grid-template-columns:64px 1fr; gap:16px; padding:20px;}
  .qa-q{font-size:17px;}
  .qa-num{height:38px; font-size:16px;}
  .cat-card-body h3{font-size:20px;}
  .cta-copy h2{font-size:26px;}
  .footer-grid{grid-template-columns:1fr; gap:32px; padding-bottom:32px;}
  .footer-bottom{flex-direction:column; align-items:flex-start;}
}
@media (max-width:575.98px){
  .container{padding-left:16px; padding-right:16px;}
  .brand-name{font-size:16px;}
  .header-inner{gap:12px;}
  .stats-row{grid-template-columns:1fr;}
  .cat-nav-grid{grid-template-columns:1fr;}
  .hero-actions .btn-brand,.hero-actions .btn-line{width:100%;}
  .cta-band{padding:32px 24px;}
}